What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

Delta and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

How many flights depart from Seattle to Las Vegas on average per day?

As of December 2025, there are 16 flights per day flying from Seattle to Las Vegas. The most common time of day flights depart is 6:00p.m., with 39% of flights taking off in the evening.

Which airline has the best punctuality record on Seattle to Las Vegas flights?

According to our data, Delta has had the least delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

How many flights depart from Seattle to Las Vegas on average per week?

The number of flights available between Seattle and Las Vegas is 114 per week as of December 2025. The most frequent departure day is Wed, with 43% of weekly flights leaving on this day.

How often are flights from Seattle to Las Vegas delayed?

Historically, on average around 15% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airlines fly to Las Vegas?

Spirit Airlines, Frontier and Alaska Airlines are the top three most popular airlines that fly to Las Vegas from Seattle according to our data. Spirit Airlines is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Las Vegas. Keep in mind that there are 6 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

What is the most punctual flight time for Seattle to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport are updated daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

As of December 2025, there are 6 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport.

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 55 Cheap Flights from Seattle to Las Vegas in 2025/26

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:03 p.m. - 2:41 p.m.

SEA

LAS

2h 38mdirect

8:45 a.m. - 11:39 a.m.

LAS

SEA

2h 54mdirect

C$ 103Multiple Airlines

Tue, 3 Feb - Sat, 7 Feb

1:11 p.m. - 3:50 p.m.

SEA

LAS

2h 39mdirect

10:07 a.m. - 1:01 p.m.

LAS

SEA

2h 54mdirect

C$ 105Multiple Airlines

Mon, 26 Jan - Wed, 28 Jan

4:43 p.m. - 7:13 p.m.

SEA

LAS

2h 30mdirect

6:15 a.m. - 9:04 a.m.

LAS

SEA

2h 49mdirect

C$ 118Multiple Airlines

Wed, 7 Jan - Sat, 10 Jan

4:43 p.m. - 7:13 p.m.

SEA

LAS

2h 30mdirect

7:50 a.m. - 10:46 a.m.

LAS

SEA

2h 56mdirect

C$ 125Multiple Airlines

Wed, 4 Feb - Sun, 8 Feb

8:38 a.m. - 11:11 a.m.

SEA

LAS

2h 33mdirect

1:43 p.m. - 4:36 p.m.

LAS

SEA

2h 53mdirect

C$ 127Alaska Airlines

Wed, 28 Jan - Wed, 28 Jan

10:45 a.m. - 1:14 p.m.

SEA

LAS

2h 29mdirect

6:59 p.m. - 9:51 p.m.

LAS

SEA

2h 52mdirect

C$ 134Delta

Wed, 18 Feb - Wed, 18 Feb

12:54 p.m. - 3:33 p.m.

SEA

LAS

2h 39mdirect

4:17 p.m. - 11:19 a.m.

LAS

SEA

19h 02m1 stop

C$ 135Frontier

Sat, 31 Jan - Sat, 7 Feb

3:45 p.m. - 9:36 p.m.

SEA

LAS

5h 51m1 stop

6:45 a.m. - 9:36 a.m.

LAS

SEA

2h 51mdirect

C$ 136Multiple Airlines

Mon, 26 Jan - Thu, 29 Jan

9:02 p.m. - 11:40 p.m.

SEA

LAS

2h 38mdirect

6:40 a.m. - 4:29 p.m.

LAS

SEA

9h 49m1 stop

C$ 138Frontier

Fri, 9 Jan - Mon, 12 Jan

9:23 p.m. - 11:59 p.m.

SEA

LAS

2h 36mdirect

6:15 a.m. - 9:04 a.m.

LAS

SEA

2h 49mdirect

C$ 143Frontier

Thu, 8 Jan - Sun, 11 Jan

Alaska Airlines flights from Seattle to Las Vegas

Our best Alaska Airlines deals on Seattle to Las Vegas flight tickets

Alaska Airlines

28 Jan

SEA8:38 a.m.Seattle/Tacoma Intl

2h 33m

LAS11:11 a.m.Las Vegas Harry Reid Intl

28 Jan

LAS1:43 p.m.Las Vegas Harry Reid Intl

2h 53m

SEA4:36 p.m.Seattle/Tacoma Intl

C$ 127

Find similar

Alaska Airlines

28 Jan

SEA8:38 a.m.Seattle/Tacoma Intl

2h 33m

LAS11:11 a.m.Las Vegas Harry Reid Intl

28 Jan

LAS2:19 p.m.Las Vegas Harry Reid Intl

4h 24m

1 stop

SEA6:43 p.m.Seattle/Tacoma Intl

C$ 167

Find similar

Alaska Airlines

6 Jan

SEA5:20 a.m.Seattle/Tacoma Intl

3h 50m

1 stop

LAS9:10 a.m.Las Vegas Harry Reid Intl

6 Jan

LAS11:50 a.m.Las Vegas Harry Reid Intl

2h 54m

SEA2:44 p.m.Seattle/Tacoma Intl

C$ 180

Find similar

Delta flights from Seattle to Las Vegas

Our best Delta deals on Seattle to Las Vegas flight tickets

Delta

18 Feb

SEA7:20 a.m.Seattle/Tacoma Intl

2h 36m

LAS9:56 a.m.Las Vegas Harry Reid Intl

25 Feb

LAS6:00 a.m.Las Vegas Harry Reid Intl

2h 50m

SEA8:50 a.m.Seattle/Tacoma Intl

C$ 134

Find similar

Delta

14 Jan

SEA7:20 a.m.Seattle/Tacoma Intl

2h 35m

LAS9:55 a.m.Las Vegas Harry Reid Intl

21 Jan

LAS11:00 a.m.Las Vegas Harry Reid Intl

2h 54m

SEA1:54 p.m.Seattle/Tacoma Intl

C$ 147

Find similar

Delta

7 Jan

SEA7:15 p.m.Seattle/Tacoma Intl

2h 29m

LAS9:44 p.m.Las Vegas Harry Reid Intl

13 Jan

LAS11:00 a.m.Las Vegas Harry Reid Intl

2h 54m

SEA1:54 p.m.Seattle/Tacoma Intl

C$ 161

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 3/2

12:03 p.m.-2:41 p.m.

Nonstop2h 38m

Las Vegas Harry Reid Intl

Sat 7/2

8:45 a.m.-11:39 a.m.

Nonstop2h 54m

C$ 103

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 26/1

1:11 p.m.-3:50 p.m.

Nonstop2h 39m

Las Vegas Harry Reid Intl

Wed 28/1

10:07 a.m.-1:01 p.m.

Nonstop2h 54m

C$ 105

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 7/1

4:43 p.m.-7:13 p.m.

Nonstop2h 30m

Las Vegas Harry Reid Intl

Sat 10/1

6:15 a.m.-9:04 a.m.

Nonstop2h 49m

C$ 118

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 4/2

4:43 p.m.-7:13 p.m.

Nonstop2h 30m

Las Vegas Harry Reid Intl

Sun 8/2

7:50 a.m.-10:46 a.m.

Nonstop2h 56m

C$ 125

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 28/1

8:38 a.m.-11:11 a.m.

Nonstop2h 33m

Las Vegas Harry Reid Intl

Wed 28/1

1:43 p.m.-4:36 p.m.

Nonstop2h 53m

C$ 127

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 18/2

10:45 a.m.-1:14 p.m.

Nonstop2h 29m

Las Vegas Harry Reid Intl

Wed 18/2

6:59 p.m.-9:51 p.m.

Nonstop2h 52m

C$ 134

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 31/1

12:54 p.m.-3:33 p.m.

Nonstop2h 39m

Las Vegas Harry Reid Intl

Sat 7/2

4:17 p.m.-11:19 a.m.

1 stop19h 02m

C$ 135

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 26/1

3:45 p.m.-9:36 p.m.

1 stop5h 51m

Las Vegas Harry Reid Intl

Thu 29/1

6:45 a.m.-9:36 a.m.

Nonstop2h 51m

C$ 136

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 9/1

9:02 p.m.-11:40 p.m.

Nonstop2h 38m

Las Vegas Harry Reid Intl

Mon 12/1

6:40 a.m.-4:29 p.m.

1 stop9h 49m

C$ 138

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 8/1

9:23 p.m.-11:59 p.m.

Nonstop2h 36m

Las Vegas Harry Reid Intl

Sun 11/1

6:15 a.m.-9:04 a.m.

Nonstop2h 49m

C$ 143

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How to get the cheapest flight ticket from Seattle to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in February, then January is your next best option. Flight prices from Seattle to Las Vegas during January average around C$ 256.

What is the cheapest day to depart on your flight to Las Vegas?

The cheapest day to depart from Seattle to Las Vegas is on a Sunday. Travellers who choose to depart for Las Vegas on a Sunday will often find tickets for as low as C$ 179. The most expensive day to fly to Las Vegas is Wednesday, with ticket prices averaging around C$ 275.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as C$ 212. Try not to purchase tickets at noon because they tend to be around C$ 328. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flight route?

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around C$ 289 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Seattle for as low as C$ 225 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights?

There are 2 cabin classes available to choose from on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Las Vegas flight prices changed over time?

As of December 2025, prices for Seattle to Las Vegas flights are approximately 76% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Las Vegas (SEA to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Las Vegas

Best price found	C$ 43
Fastest flight time	2h 27m
Direct flights	Every day
Airports in Las Vegas	1 airport

The best one-way flight to Las Vegas from Seattle in the past 72 hours is C$ 43. The best round-trip flight deal from Seattle to Las Vegas found on momondo in the last 72 hours is C$ 148.

The fastest flight from Seattle to Las Vegas takes 2h 27m

Direct flights go from Seattle to Las Vegas every day.

There is 1 airport in Las Vegas. From Seattle there are direct flights to Las Vegas Harry Reid Intl (LAS).

Search flight deals

How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?
There are 1402.2 km between Seattle/Tacoma Intl and Las Vegas Harry Reid Intl. 2h 27m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
As of December 2025, there are 6 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Las Vegas?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Las Vegas is Boeing 737-800 Passenger/BBJ2 (winglets), representing 22.53% of all bookings. The subsequent popular models are Boeing 737-900 at 16.06%, Airbus A321neo at 12.38%, and Airbus A320neo at 10.22%.
What is the most popular airline from Seattle to Las Vegas?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Las Vegas is Spirit Airlines (38% of total bookings). The next most popular airlines are Frontier (26%), Alaska Airlines (21%), and Delta (6%).

Best airlines flying from Seattle to Las Vegas

Compare and see reviews for airlines that fly from Seattle to Las Vegas with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom C$ 53	Free Cancellation	Rating 5.8 3,081 reviews	Search Frontier flights
Spirit Airlines	PriceFrom C$ 73	Free Cancellation	Rating 6.3 8,190 reviews	Search Spirit Airlines flights
Delta	PriceFrom C$ 80	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights
Alaska Airlines	PriceFrom C$ 148	Free Cancellation	Rating 8.0 11,477 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom C$ 165	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom C$ 205	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights

Alaska Airlines Flights From Seattle to Las Vegas
Alaska Airlines is one of the most popular airlines flying from Seattle to Las Vegas, operating 7 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Las Vegas starts from C$ 148 round-trip, up to an average price of C$ 275. Our users have rated Alaska Airlines at 8.0/10.
Delta Flights From Seattle to Las Vegas
Delta (7.9/10 from 8,005 reviews) operates around 19 flights from Seattle to Las Vegas in any given week. The average Delta airfare for this route is around C$ 252, with deals from around C$ 80 rare but found on momondo. Referenced prices are for round-trip Seattle to Las Vegas flight searches in the last 72 hours.

Laughlin

Paradise

Mesquite

Henderson

Boulder City

Pahrump

North Las Vegas

Needles

Winchester

Sunrise Manor

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Las Vegas?

Finding the right flight to Las Vegas from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Las Vegas quick and easy, saving you time and money.

Can I find flights from Seattle to Las Vegas with flexible booking policies on momondo?

Yes. All flights to Las Vegas from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Las Vegas?

momondo provides multiple filters to help you find the best flight to Las Vegas from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Las Vegas right now. Can momondo alert me if prices change?

Price alerts on flights to Las Vegas from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Seattle to Las Vegas from C$ 68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Las Vegas departing on 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Seattle to Las Vegas

What is the cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in February, then January is your next best option. Flight prices from Seattle to Las Vegas during January average around C$ 256.

What is the cheapest day to depart on your flight to Las Vegas?

The cheapest day to depart from Seattle to Las Vegas is on a Sunday. Travellers who choose to depart for Las Vegas on a Sunday will often find tickets for as low as C$ 179. The most expensive day to fly to Las Vegas is Wednesday, with ticket prices averaging around C$ 275.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as C$ 212. Try not to purchase tickets at noon because they tend to be around C$ 328. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flight route?

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

What cabin class options are available on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights?

There are 2 cabin classes available to choose from on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Las Vegas flight prices changed over time?

As of December 2025, prices for Seattle to Las Vegas flights are approximately 76% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

Delta and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

Which airlines fly to Las Vegas?

How often are flights from Seattle to Las Vegas delayed?

Historically, on average around 15% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

What is the most punctual flight time for Seattle to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Seattle to Las Vegas flights?

According to our data, Delta has had the least delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

How many flights depart from Seattle to Las Vegas on average per day?

As of December 2025, there are 16 flights per day flying from Seattle to Las Vegas. The most common time of day flights depart is 6:00p.m., with 39% of flights taking off in the evening.

How many flights depart from Seattle to Las Vegas on average per week?

The number of flights available between Seattle and Las Vegas is 114 per week as of December 2025. The most frequent departure day is Wed, with 43% of weekly flights leaving on this day.

When to book flights from Seattle to Las Vegas

Cheap Seattle to Las Vegas (SEA to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Las Vegas

Best price found

Fastest flight time

Direct flights

Airports in Las Vegas

How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

What is the most popular plane model from Seattle to Las Vegas?

What is the most popular airline from Seattle to Las Vegas?

Best airlines flying from Seattle to Las Vegas

Compare and see reviews for airlines that fly from Seattle to Las Vegas with momondo

Alaska Airlines Flights From Seattle to Las Vegas

Delta Flights From Seattle to Las Vegas

Travelling to a place near Las Vegas?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Las Vegas?

Can I find flights from Seattle to Las Vegas with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Las Vegas?

I’m not ready to book a flight from Seattle to Las Vegas right now. Can momondo alert me if prices change?

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States