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Cheap flights from Seattle to Las Vegas from C$ 78

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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Find the cheapest flights from Seattle to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:15 a.m. - 8:45 a.m.
SEA
-
LAS
2h 30mdirect
Southwest Logo
4:45 p.m. - 7:35 p.m.
LAS
-
SEA
2h 50mdirect
C$ 132Southwest
Sun, 8 Mar - Wed, 11 Mar
Multiple Airlines Logo
5:37 p.m. - 8:12 p.m.
SEA
-
LAS
2h 35mdirect
Multiple Airlines Logo
7:00 a.m. - 4:16 p.m.
LAS
-
SEA
9h 16m
1 stop
C$ 140Multiple Airlines
Sat, 28 Feb - Sat, 7 Mar
Frontier Logo
9:23 p.m. - 11:57 p.m.
SEA
-
LAS
2h 34mdirect
Frontier Logo
12:59 a.m. - 12:01 p.m.
LAS
-
SEA
11h 02m
1 stop
C$ 142Frontier
Sun, 22 Feb - Wed, 25 Feb
Southwest Logo
6:15 a.m. - 8:45 a.m.
SEA
-
LAS
2h 30mdirect
Southwest Logo
7:45 a.m. - 1:50 p.m.
LAS
-
SEA
6h 05m
1 stop
C$ 146Southwest
Sun, 15 Mar - Tue, 17 Mar
Frontier Logo
9:35 p.m. - 12:15 a.m.
SEA
-
LAS
2h 40mdirect
Frontier Logo
6:20 a.m. - 4:41 p.m.
LAS
-
SEA
10h 21m
1 stop
C$ 148Frontier
Fri, 1 May - Mon, 4 May
Southwest Logo
3:45 p.m. - 6:15 p.m.
SEA
-
LAS
2h 30mdirect
Southwest Logo
5:40 p.m. - 11:50 p.m.
LAS
-
SEA
6h 10m
2 stops
C$ 152Southwest
Mon, 16 Mar - Thu, 19 Mar
Frontier Logo
9:35 p.m. - 12:15 a.m.
SEA
-
LAS
2h 40mdirect
Frontier Logo
5:22 p.m. - 8:20 p.m.
LAS
-
SEA
2h 58mdirect
C$ 154Frontier
Fri, 1 May - Mon, 4 May
Frontier Logo
9:23 p.m. - 11:57 p.m.
SEA
-
LAS
2h 34mdirect
Frontier Logo
5:30 a.m. - 12:01 p.m.
LAS
-
SEA
6h 31m
1 stop
C$ 158Frontier
Sun, 22 Feb - Thu, 26 Feb
Delta Logo
8:20 p.m. - 10:53 p.m.
SEA
-
LAS
2h 33mdirect
Delta Logo
6:00 a.m. - 8:46 a.m.
LAS
-
SEA
2h 46mdirect
C$ 159Delta
Mon, 23 Mar - Fri, 3 Apr
Frontier Logo
7:33 p.m. - 10:09 p.m.
SEA
-
LAS
2h 36mdirect
Frontier Logo
5:30 a.m. - 12:01 p.m.
LAS
-
SEA
6h 31m
1 stop
C$ 165Frontier
Tue, 3 Mar - Thu, 5 Mar

Southwest flights from Seattle to Las Vegas

Our best Southwest deals on Seattle to Las Vegas flight tickets
Southwest
17 Mar
SEA4:25 p.m.Seattle/Tacoma Intl
2h 30m
LAS6:55 p.m.Las Vegas Harry Reid Intl
24 Mar
LAS5:55 p.m.Las Vegas Harry Reid Intl
5h 15m
1 stop
SEA11:10 p.m.Seattle/Tacoma Intl
C$ 173
Southwest
15 Mar
SEA6:15 a.m.Seattle/Tacoma Intl
2h 30m
LAS8:45 a.m.Las Vegas Harry Reid Intl
19 Mar
LAS5:40 p.m.Las Vegas Harry Reid Intl
6h 10m
2 stops
SEA11:50 p.m.Seattle/Tacoma Intl
C$ 180
Southwest
2 Mar
SEA6:05 a.m.Seattle/Tacoma Intl
4h 50m
1 stop
LAS10:55 a.m.Las Vegas Harry Reid Intl
3 Mar
LAS9:15 a.m.Las Vegas Harry Reid Intl
6h 25m
1 stop
SEA3:40 p.m.Seattle/Tacoma Intl
C$ 187

Frontier flights from Seattle to Las Vegas

Our best Frontier deals on Seattle to Las Vegas flight tickets
Frontier
22 Feb
SEA9:23 p.m.Seattle/Tacoma Intl
2h 34m
LAS11:57 p.m.Las Vegas Harry Reid Intl
25 Feb
LAS12:59 a.m.Las Vegas Harry Reid Intl
11h 02m
1 stop
SEA12:01 p.m.Seattle/Tacoma Intl
C$ 142
Frontier
1 May
SEA9:35 p.m.Seattle/Tacoma Intl
2h 40m
LAS12:15 a.m.Las Vegas Harry Reid Intl
4 May
LAS6:20 a.m.Las Vegas Harry Reid Intl
10h 21m
1 stop
SEA4:41 p.m.Seattle/Tacoma Intl
C$ 148
Frontier
1 May
SEA9:35 p.m.Seattle/Tacoma Intl
2h 40m
LAS12:15 a.m.Las Vegas Harry Reid Intl
4 May
LAS5:22 p.m.Las Vegas Harry Reid Intl
2h 58m
SEA8:20 p.m.Seattle/Tacoma Intl
C$ 154

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 31 January 2026.
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 8/3

6:15 a.m.-8:45 a.m.

Nonstop2h 30m

Las Vegas Harry Reid Intl

Wed 11/3

4:45 p.m.-7:35 p.m.

Nonstop2h 50m

C$ 132

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 28/2

5:37 p.m.-8:12 p.m.

Nonstop2h 35m

Las Vegas Harry Reid Intl

Sat 7/3

7:00 a.m.-4:16 p.m.

1 stop9h 16m

C$ 140

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$ 142

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 15/3

6:15 a.m.-8:45 a.m.

Nonstop2h 30m

Las Vegas Harry Reid Intl

Tue 17/3

7:45 a.m.-1:50 p.m.

1 stop6h 05m

C$ 146

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 1/5

9:35 p.m.-12:15 a.m.

Nonstop2h 40m

Las Vegas Harry Reid Intl

Mon 4/5

6:20 a.m.-4:41 p.m.

1 stop10h 21m

C$ 148

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 16/3

3:45 p.m.-6:15 p.m.

Nonstop2h 30m

Las Vegas Harry Reid Intl

Thu 19/3

5:40 p.m.-11:50 p.m.

2 stops6h 10m

C$ 152

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 1/5

9:35 p.m.-12:15 a.m.

Nonstop2h 40m

Las Vegas Harry Reid Intl

Mon 4/5

5:22 p.m.-8:20 p.m.

Nonstop2h 58m

C$ 154

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

5:30 a.m.-12:01 p.m.

1 stop6h 31m

C$ 158

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 23/3

8:20 p.m.-10:53 p.m.

Nonstop2h 33m

Las Vegas Harry Reid Intl

Fri 3/4

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

Nonstop2h 46m

C$ 159

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 3/3

7:33 p.m.-10:09 p.m.

Nonstop2h 36m

Las Vegas Harry Reid Intl

Thu 5/3

5:30 a.m.-12:01 p.m.

1 stop6h 31m

C$ 165

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 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$ 159. The most expensive day to fly to Las Vegas is Friday, with ticket prices averaging around C$ 316.

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$ 216. Try not to purchase tickets at noon because they tend to be around C$ 295. 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$ 286 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$ 89

Fastest flight time

2h 24m

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$ 89. The best round-trip flight deal from Seattle to Las Vegas found on momondo in the last 72 hours is C$ 216.
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?

  • 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$ 52Free CancellationRating
5.7
3,054 reviews
Search Frontier flights
Spirit AirlinesPriceFrom C$ 87Free CancellationRating
6.3
8,394 reviews
Search Spirit Airlines flights
DeltaPriceFrom C$ 120Free CancellationRating
7.9
8,130 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 147Free CancellationRating
8.0
11,819 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom C$ 163Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom C$ 172Free CancellationRating
8.0
4,267 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 24 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$ 271. Our users have rated Alaska Airlines at 8.0/10.

  • Southwest Flights From Seattle to Las Vegas

    Southwest (8.0/10 from 4,267 reviews) operates around 15 flights from Seattle to Las Vegas in any given week. The average Southwest airfare for this route is around C$ 325, with deals from around C$ 172 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
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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