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 January 2026, there are 34 flights per day flying from Seattle to Las Vegas. The most common time of day flights depart is 12:00p.m., with 43% of flights taking off in the afternoon.

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.

How often are flights from Seattle to Las Vegas delayed?

Historically, on average around 16% 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 127 minutes.

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 41% 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 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.

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

The number of flights available between Seattle and Las Vegas is 243 per week as of January 2026. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.

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.

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 January 2026, 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 2026

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Find the cheapest flights from Seattle to Las Vegas

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:22 p.m. - 11:55 p.m.

SEA

LAS

2h 33mdirect

6:00 a.m. - 8:51 a.m.

LAS

SEA

2h 51mdirect

C$ 126Hawaiian Airlines

Wed, 25 Feb - Wed, 4 Mar

12:09 p.m. - 5:14 p.m.

SEA

LAS

5h 05m

1 stop

5:12 p.m. - 8:08 p.m.

LAS

SEA

2h 56mdirect

C$ 127Frontier

Tue, 24 Feb - Thu, 5 Mar

12:15 p.m. - 2:47 p.m.

SEA

LAS

2h 32mdirect

6:00 a.m. - 8:46 a.m.

LAS

SEA

2h 46mdirect

C$ 133Delta

Tue, 10 Mar - Wed, 25 Mar

9:14 p.m. - 11:48 p.m.

SEA

LAS

2h 34mdirect

11:01 a.m. - 4:57 p.m.

LAS

SEA

5h 56m

1 stop

C$ 140Multiple Airlines

Mon, 23 Feb - Tue, 3 Mar

10:06 a.m. - 2:52 p.m.

SEA

LAS

4h 46m

1 stop

6:00 a.m. - 8:51 a.m.

LAS

SEA

2h 51mdirect

C$ 142Frontier

Mon, 23 Feb - Fri, 27 Feb

1:20 p.m. - 3:50 p.m.

SEA

LAS

2h 30mdirect

2:50 p.m. - 10:30 p.m.

LAS

SEA

7h 40m

1 stop

C$ 147Southwest

Wed, 25 Feb - Wed, 4 Mar

1:20 p.m. - 3:50 p.m.

SEA

LAS

2h 30mdirect

1:10 p.m. - 8:20 p.m.

LAS

SEA

7h 10m

2 stops

C$ 153Southwest

Wed, 25 Feb - Wed, 4 Mar

9:23 p.m. - 11:57 p.m.

SEA

LAS

2h 34mdirect

8:23 p.m. - 8:13 a.m.

LAS

SEA

11h 50m

1 stop

C$ 157Frontier

Sun, 22 Feb - Thu, 26 Feb

3:35 p.m. - 6:01 p.m.

SEA

LAS

2h 26mdirect

6:00 a.m. - 8:50 a.m.

LAS

SEA

2h 50mdirect

C$ 160Delta

Wed, 18 Feb - Wed, 25 Feb

9:23 p.m. - 11:57 p.m.

SEA

LAS

2h 34mdirect

12:59 a.m. - 12:01 p.m.

LAS

SEA

11h 02m

1 stop

C$ 163Frontier

Sun, 22 Feb - Wed, 25 Feb

Delta flights from Seattle to Las Vegas

Our best Delta deals on Seattle to Las Vegas flight tickets

Delta

10 Mar

SEA12:15 p.m.Seattle/Tacoma Intl

2h 32m

LAS2:47 p.m.Las Vegas Harry Reid Intl

25 Mar

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

2h 46m

SEA8:46 a.m.Seattle/Tacoma Intl

C$ 133

Delta

18 Feb

SEA7:20 a.m.Seattle/Tacoma Intl

2h 36m

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

25 Feb

LAS2:09 p.m.Las Vegas Harry Reid Intl

2h 50m

SEA4:59 p.m.Seattle/Tacoma Intl

C$ 160

Delta

6 May

SEA7:20 a.m.Seattle/Tacoma Intl

2h 37m

LAS9:57 a.m.Las Vegas Harry Reid Intl

10 May

LAS7:00 p.m.Las Vegas Harry Reid Intl

2h 51m

SEA9:51 p.m.Seattle/Tacoma Intl

C$ 201

Southwest flights from Seattle to Las Vegas

Our best Southwest deals on Seattle to Las Vegas flight tickets

Southwest

25 Feb

SEA1:20 p.m.Seattle/Tacoma Intl

2h 30m

LAS3:50 p.m.Las Vegas Harry Reid Intl

4 Mar

LAS2:50 p.m.Las Vegas Harry Reid Intl

7h 40m

1 stop

SEA10:30 p.m.Seattle/Tacoma Intl

C$ 147

Southwest

25 Feb

SEA1:20 p.m.Seattle/Tacoma Intl

2h 30m

LAS3:50 p.m.Las Vegas Harry Reid Intl

4 Mar

LAS1:10 p.m.Las Vegas Harry Reid Intl

7h 10m

2 stops

SEA8:20 p.m.Seattle/Tacoma Intl

C$ 153

Southwest

25 Feb

SEA6:05 a.m.Seattle/Tacoma Intl

7h 35m

1 stop

LAS1:40 p.m.Las Vegas Harry Reid Intl

4 Mar

LAS12:00 p.m.Las Vegas Harry Reid Intl

6h 35m

2 stops

SEA6:35 p.m.Seattle/Tacoma Intl

C$ 167

Fly from

Fly to

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 25/2

9:22 p.m.-11:55 p.m.

Nonstop2h 33m

Las Vegas Harry Reid Intl

Wed 4/3

6:00 a.m.-8:51 a.m.

Nonstop2h 51m

C$ 126

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 24/2

12:09 p.m.-5:14 p.m.

1 stop5h 05m

Las Vegas Harry Reid Intl

Thu 5/3

5:12 p.m.-8:08 p.m.

Nonstop2h 56m

C$ 127

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 10/3

12:15 p.m.-2:47 p.m.

Nonstop2h 32m

Las Vegas Harry Reid Intl

Wed 25/3

6:00 a.m.-8:46 a.m.

Nonstop2h 46m

C$ 133

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 23/2

9:14 p.m.-11:48 p.m.

Nonstop2h 34m

Las Vegas Harry Reid Intl

Tue 3/3

11:01 a.m.-4:57 p.m.

1 stop5h 56m

C$ 140

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 23/2

10:06 a.m.-2:52 p.m.

1 stop4h 46m

Las Vegas Harry Reid Intl

Fri 27/2

6:00 a.m.-8:51 a.m.

Nonstop2h 51m

C$ 142

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 25/2

1:20 p.m.-3:50 p.m.

Nonstop2h 30m

Las Vegas Harry Reid Intl

Wed 4/3

2:50 p.m.-10:30 p.m.

1 stop7h 40m

C$ 147

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 25/2

1:20 p.m.-3:50 p.m.

Nonstop2h 30m

Las Vegas Harry Reid Intl

Wed 4/3

1:10 p.m.-8:20 p.m.

2 stops7h 10m

C$ 153

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 22/2

9:23 p.m.-11:57 p.m.

Nonstop2h 34m

Las Vegas Harry Reid Intl

Thu 26/2

8:23 p.m.-8:13 a.m.

1 stop11h 50m

C$ 157

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 18/2

3:35 p.m.-6:01 p.m.

Nonstop2h 26m

Las Vegas Harry Reid Intl

Wed 25/2

6:00 a.m.-8:50 a.m.

Nonstop2h 50m

C$ 160

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 22/2

9:23 p.m.-11:57 p.m.

Nonstop2h 34m

Las Vegas Harry Reid Intl

Wed 25/2

12:59 a.m.-12:01 p.m.

1 stop11h 02m

C$ 163

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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 typical price of a round-trip flight between Seattle and Las Vegas?

What is the cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in March, then February is your next best option. Flight prices from Seattle to Las Vegas during February average around C$ 268.

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$ 148. The most expensive day to fly to Las Vegas is Friday, with ticket prices averaging around C$ 279.

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 evening when flights can be purchased for as low as C$ 217. Try not to purchase tickets at noon because they tend to be around C$ 297. 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$ 287 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$ 222 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 January 2026, prices for Seattle to Las Vegas flights are approximately 26% cheaper 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$ 193
Fastest flight time	2h 24m
Direct flights	Every day
Airports in Las Vegas	1 airport

The best flight deal from Seattle to Las Vegas found on momondo in the last 72 hours is C$ 193

The fastest flight from Seattle to Las Vegas takes 2h 24m

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 24m 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 January 2026, 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 25.93% of all bookings. The subsequent popular models are Boeing 737-900 at 16.90%, Airbus A321neo at 14.88%, and Boeing 737 MAX 8 at 8.30%.
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 (36% of total bookings). The next most popular airlines are Frontier (27%), Alaska Airlines (17%), and Delta (8%).

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 5.7 3,056 reviews	Search Frontier flights
Delta	PriceFrom C$ 80	Free Cancellation	Rating 7.9 8,119 reviews	Search Delta flights
Spirit Airlines	PriceFrom C$ 86	Free Cancellation	Rating 6.3 8,384 reviews	Search Spirit Airlines flights
Alaska Airlines	PriceFrom C$ 147	Free Cancellation	Rating 8.0 11,797 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom C$ 164	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom C$ 173	Free Cancellation	Rating 8.0 4,268 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 19 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Las Vegas starts from C$ 147 round-trip, up to an average price of C$ 273. Our users have rated Alaska Airlines at 8.0/10.
Southwest Flights From Seattle to Las Vegas
Southwest (8.0/10 from 4,268 reviews) operates around 15 flights from Seattle to Las Vegas in any given week. The average Southwest airfare for this route is around C$ 327, with deals from around C$ 173 rare but found on momondo. Referenced prices are for round-trip Seattle to Las Vegas flight searches in the last 72 hours.

Paradise

Laughlin

Mesquite

Henderson

Boulder City

Pahrump

Needles

North Las Vegas

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$ 67

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 17/3. 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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See travel insights to Las Vegas from

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

What is the typical price of a round-trip flight between Seattle and Las Vegas?

What is the cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in March, then February is your next best option. Flight prices from Seattle to Las Vegas during February average around C$ 268.

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$ 148. The most expensive day to fly to Las Vegas is Friday, with ticket prices averaging around C$ 279.

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 evening when flights can be purchased for as low as C$ 217. Try not to purchase tickets at noon because they tend to be around C$ 297. 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 January 2026, prices for Seattle to Las Vegas flights are approximately 26% cheaper 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 16% 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 127 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 January 2026, there are 34 flights per day flying from Seattle to Las Vegas. The most common time of day flights depart is 12:00p.m., with 43% of flights taking off in the afternoon.

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

The number of flights available between Seattle and Las Vegas is 243 per week as of January 2026. The most frequent departure day is Mon, with 21% 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

Southwest 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.