Cheap flights from Seattle to Las Vegas from C$ 69

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 11/3. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:23 p.m. - 10:00 p.m.SEA-LAS
2h 37mdirect
Frontier Logo
6:00 a.m. - 4:28 p.m.LAS-SEA
10h 28m1 stop
C$ 118Frontier
Find Deal
Sun, 11 Jan - Thu, 15 Jan
Alaska Airlines Logo
12:03 p.m. - 2:41 p.m.SEA-LAS
2h 38mdirect
Alaska Airlines Logo
3:58 p.m. - 6:50 p.m.LAS-SEA
2h 52mdirect
C$ 129Alaska Airlines
Find Deal
Wed, 28 Jan - Wed, 28 Jan
Delta Logo
9:59 a.m. - 12:35 p.m.SEA-LAS
2h 36mdirect
Delta Logo
6:00 a.m. - 8:53 a.m.LAS-SEA
2h 53mdirect
C$ 136Delta
Find Deal
Tue, 16 Dec - Thu, 25 Dec
Frontier Logo
9:23 p.m. - 11:59 p.m.SEA-LAS
2h 36mdirect
Frontier Logo
6:00 a.m. - 4:28 p.m.LAS-SEA
10h 28m1 stop
C$ 137Frontier
Find Deal
Sun, 11 Jan - Thu, 15 Jan
Delta Logo
10:20 a.m. - 12:50 p.m.SEA-LAS
2h 30mdirect
Delta Logo
1:45 p.m. - 4:38 p.m.LAS-SEA
2h 53mdirect
C$ 139Delta
Find Deal
Thu, 8 Jan - Mon, 12 Jan
Southwest Logo
11:40 a.m. - 4:20 p.m.SEA-LAS
4h 40m1 stop
Southwest Logo
7:50 p.m. - 10:35 p.m.LAS-SEA
2h 45mdirect
C$ 143Southwest
Find Deal
Sat, 31 Jan - Tue, 3 Feb
Southwest Logo
6:05 a.m. - 12:00 p.m.SEA-LAS
5h 55m1 stop
Southwest Logo
9:05 a.m. - 11:55 a.m.LAS-SEA
2h 50mdirect
C$ 150Southwest
Find Deal
Wed, 4 Feb - Sat, 7 Feb
Frontier Logo
9:23 p.m. - 11:59 p.m.SEA-LAS
2h 36mdirect
Frontier Logo
12:59 a.m. - 11:09 a.m.LAS-SEA
10h 10m1 stop
C$ 156Frontier
Find Deal
Sun, 11 Jan - Wed, 14 Jan
Southwest Logo
6:25 a.m. - 12:25 p.m.SEA-LAS
6h 00m2 stops
Southwest Logo
9:05 a.m. - 11:55 a.m.LAS-SEA
2h 50mdirect
C$ 157Southwest
Find Deal
Wed, 4 Feb - Sat, 7 Feb
Southwest Logo
5:05 p.m. - 9:55 p.m.SEA-LAS
4h 50m1 stop
Southwest Logo
9:05 a.m. - 4:30 p.m.LAS-SEA
7h 25m1 stop
C$ 163Southwest
Find Deal
Mon, 15 Dec - Wed, 17 Dec

Frontier flights from Seattle to Las Vegas

Our best Frontier deals on Seattle to Las Vegas flight tickets
Frontier
11 Jan
SEA7:23 p.m.Seattle/Tacoma Intl
2h 37m
LAS10:00 p.m.Las Vegas Harry Reid Intl
15 Jan
LAS6:00 a.m.Las Vegas Harry Reid Intl
10h 28m
1 stop
SEA4:28 p.m.Seattle/Tacoma Intl
Frontier
11 Jan
SEA9:23 p.m.Seattle/Tacoma Intl
2h 36m
LAS11:59 p.m.Las Vegas Harry Reid Intl
15 Jan
LAS6:00 a.m.Las Vegas Harry Reid Intl
10h 28m
1 stop
SEA4:28 p.m.Seattle/Tacoma Intl
Frontier
11 Jan
SEA9:23 p.m.Seattle/Tacoma Intl
2h 36m
LAS11:59 p.m.Las Vegas Harry Reid Intl
14 Jan
LAS12:59 a.m.Las Vegas Harry Reid Intl
10h 10m
1 stop
SEA11:09 a.m.Seattle/Tacoma Intl

Alaska Airlines flights from Seattle to Las Vegas

Our best Alaska Airlines deals on Seattle to Las Vegas flight tickets
Alaska Airlines
28 Jan
SEA12:03 p.m.Seattle/Tacoma Intl
2h 38m
LAS2:41 p.m.Las Vegas Harry Reid Intl
28 Jan
LAS3:58 p.m.Las Vegas Harry Reid Intl
2h 52m
SEA6:50 p.m.Seattle/Tacoma Intl
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
Alaska Airlines
16 Dec
SEA12:30 p.m.Seattle/Tacoma Intl
4h 49m
1 stop
LAS5:19 p.m.Las Vegas Harry Reid Intl
20 Dec
LAS6:06 p.m.Las Vegas Harry Reid Intl
2h 55m
SEA9:01 p.m.Seattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 20 November 2025.
Use the filters below to find and compare flights from Seattle to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 11/1

7:23 p.m.-10:00 p.m.

Nonstop2h 37m

Las Vegas Harry Reid Intl

Thu 15/1

6:00 a.m.-4:28 p.m.

1 stop10h 28m

C$ 118

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 28/1

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

Nonstop2h 38m

Las Vegas Harry Reid Intl

Wed 28/1

3:58 p.m.-6:50 p.m.

Nonstop2h 52m

C$ 129

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 16/12

9:59 a.m.-12:35 p.m.

Nonstop2h 36m

Las Vegas Harry Reid Intl

Thu 25/12

6:00 a.m.-8:53 a.m.

Nonstop2h 53m

C$ 136

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 11/1

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

Nonstop2h 36m

Las Vegas Harry Reid Intl

Thu 15/1

6:00 a.m.-4:28 p.m.

1 stop10h 28m

C$ 137

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 8/1

10:20 a.m.-12:50 p.m.

Nonstop2h 30m

Las Vegas Harry Reid Intl

Mon 12/1

1:45 p.m.-4:38 p.m.

Nonstop2h 53m

C$ 139

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 31/1

11:40 a.m.-4:20 p.m.

1 stop4h 40m

Las Vegas Harry Reid Intl

Tue 3/2

7:50 p.m.-10:35 p.m.

Nonstop2h 45m

C$ 143

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 4/2

6:05 a.m.-12:00 p.m.

1 stop5h 55m

Las Vegas Harry Reid Intl

Sat 7/2

9:05 a.m.-11:55 a.m.

Nonstop2h 50m

C$ 150

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 11/1

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

Nonstop2h 36m

Las Vegas Harry Reid Intl

Wed 14/1

12:59 a.m.-11:09 a.m.

1 stop10h 10m

C$ 156

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 4/2

6:25 a.m.-12:25 p.m.

2 stops6h 00m

Las Vegas Harry Reid Intl

Sat 7/2

9:05 a.m.-11:55 a.m.

Nonstop2h 50m

C$ 157

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 15/12

5:05 p.m.-9:55 p.m.

1 stop4h 50m

Las Vegas Harry Reid Intl

Wed 17/12

9:05 a.m.-4:30 p.m.

1 stop7h 25m

C$ 163

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Las Vegas from

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

What is the cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in February, then March is your next best option. Flight prices from Seattle to Las Vegas during March 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$ 159. The most expensive day to fly to Las Vegas is Friday, with ticket prices averaging around C$ 286.

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$ 219. Try not to purchase tickets in the evening because they tend to be around C$ 288. 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$ 294 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$ 235 on momondo.

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

There are 4 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 November 2025, prices for Seattle to Las Vegas flights are approximately 115% 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$ 82

Fastest flight time

2h 25m

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$ 82. The best round-trip flight deal from Seattle to Las Vegas found on momondo in the last 72 hours is C$ 168.
The fastest flight from Seattle to Las Vegas takes 2h 25m
Direct flights go from Seattle to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
  • 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 29m 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom C$ 54Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
Spirit AirlinesPriceFrom C$ 78Free CancellationRating
6.3
8,160 reviews
Search Spirit Airlines flights
DeltaPriceFrom C$ 102Free CancellationRating
7.9
8,002 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 106Free CancellationRating
8.0
11,325 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom C$ 153Free CancellationRating
7.8
2,811 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom C$ 193Free CancellationRating
8.0
4,251 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 11 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Las Vegas starts from C$ 106 round-trip, up to an average price of C$ 310. Our users have rated Alaska Airlines at 8.0/10.

  • Southwest Flights From Seattle to Las Vegas

    Southwest (8.0/10 from 4,251 reviews) operates around 4 flights from Seattle to Las Vegas in any given week. The average Southwest airfare for this route is around C$ 384, with deals from around C$ 193 rare but found on momondo. Referenced prices are for round-trip Seattle to Las Vegas flight searches in the last 72 hours.

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Paradise
Mesquite
Boulder City
Henderson
Pahrump
North Las Vegas
Needles
Primm
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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1 adult
Sat 20/12
Sat 27/12

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