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Cheap flights from Seattle to Las Vegas from $43

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 2/3. 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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0 bags

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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.
Frontier Logo
9:25 pm - 11:59 pm
SEA
-
LAS
2h 34mnonstop
Frontier Logo
9:00 am - 11:56 am
LAS
-
SEA
2h 56mnonstop
$72Frontier
Thu, Feb 5 - Mon, Feb 9
Frontier Logo
12:54 pm - 3:33 pm
SEA
-
LAS
2h 39mnonstop
Frontier Logo
9:00 am - 11:56 am
LAS
-
SEA
2h 56mnonstop
$73Frontier
Sat, Feb 7 - Mon, Feb 9
Frontier Logo
9:25 pm - 11:59 pm
SEA
-
LAS
2h 34mnonstop
Frontier Logo
7:50 am - 10:46 am
LAS
-
SEA
2h 56mnonstop
$76Frontier
Thu, Feb 5 - Sun, Feb 8
Multiple Airlines Logo
4:43 pm - 7:13 pm
SEA
-
LAS
2h 30mnonstop
Multiple Airlines Logo
6:45 am - 9:36 am
LAS
-
SEA
2h 51mnonstop
$77Multiple Airlines
Wed, Feb 4 - Fri, Feb 6
Frontier Logo
12:54 pm - 3:33 pm
SEA
-
LAS
2h 39mnonstop
Frontier Logo
7:50 am - 10:46 am
LAS
-
SEA
2h 56mnonstop
$78Frontier
Sat, Jan 31 - Sun, Feb 8
Frontier Logo
6:30 pm - 9:05 pm
SEA
-
LAS
2h 35mnonstop
Frontier Logo
1:28 pm - 4:22 pm
LAS
-
SEA
2h 54mnonstop
$79Frontier
Tue, Feb 17 - Sat, Feb 21
Multiple Airlines Logo
7:00 am - 9:36 am
SEA
-
LAS
2h 36mnonstop
Multiple Airlines Logo
8:45 am - 11:39 am
LAS
-
SEA
2h 54mnonstop
$80Multiple Airlines
Sun, Feb 1 - Sat, Feb 7
Multiple Airlines Logo
4:43 pm - 7:13 pm
SEA
-
LAS
2h 30mnonstop
Multiple Airlines Logo
6:45 am - 9:36 am
LAS
-
SEA
2h 51mnonstop
$81Multiple Airlines
Wed, Feb 4 - Fri, Feb 6
Frontier Logo
9:23 pm - 11:57 pm
SEA
-
LAS
2h 34mnonstop
Frontier Logo
5:12 pm - 8:08 pm
LAS
-
SEA
2h 56mnonstop
$82Frontier
Sun, Feb 15 - Thu, Feb 19
Multiple Airlines Logo
9:25 pm - 11:59 pm
SEA
-
LAS
2h 34mnonstop
Multiple Airlines Logo
7:00 am - 9:53 am
LAS
-
SEA
2h 53mnonstop
$84Multiple Airlines
Sun, Feb 8 - Wed, Feb 18

Frontier flights from Seattle to Las Vegas

Our best Frontier deals on Seattle to Las Vegas flight tickets
Frontier
Feb 5
SEA9:25 pmSeattle/Tacoma Intl
2h 34m
LAS11:59 pmLas Vegas Harry Reid Intl
Feb 9
LAS9:00 amLas Vegas Harry Reid Intl
2h 56m
SEA11:56 amSeattle/Tacoma Intl
$72
Find similar
Frontier
Feb 7
SEA12:54 pmSeattle/Tacoma Intl
2h 39m
LAS3:33 pmLas Vegas Harry Reid Intl
Feb 9
LAS9:00 amLas Vegas Harry Reid Intl
2h 56m
SEA11:56 amSeattle/Tacoma Intl
$73
Find similar
Frontier
Feb 5
SEA9:25 pmSeattle/Tacoma Intl
2h 34m
LAS11:59 pmLas Vegas Harry Reid Intl
Feb 8
LAS7:50 amLas Vegas Harry Reid Intl
2h 56m
SEA10:46 amSeattle/Tacoma Intl
$76
Find similar

Southwest flights from Seattle to Las Vegas

Our best Southwest deals on Seattle to Las Vegas flight tickets
Southwest
Feb 1
SEA9:50 amSeattle/Tacoma Intl
7h 15m
1 stop
LAS5:05 pmLas Vegas Harry Reid Intl
Feb 10
LAS10:15 amLas Vegas Harry Reid Intl
5h 45m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
$116
Find similar
Southwest
Jan 25
SEA7:55 amSeattle/Tacoma Intl
5h 40m
1 stop
LAS1:35 pmLas Vegas Harry Reid Intl
Jan 30
LAS6:00 amLas Vegas Harry Reid Intl
6h 05m
1 stop
SEA12:05 pmSeattle/Tacoma Intl
$126
Find similar
Southwest
Jan 7
SEA1:20 pmSeattle/Tacoma Intl
2h 30m
LAS3:50 pmLas Vegas Harry Reid Intl
Jan 10
LAS9:05 amLas Vegas Harry Reid Intl
2h 50m
SEA11:55 amSeattle/Tacoma Intl
$197
Find similar

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 832,500 searches. Data last updated January 2, 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

Thu 2/5

9:25 pm-11:59 pm

Nonstop2h 34m

Las Vegas Harry Reid Intl

Mon 2/9

9:00 am-11:56 am

Nonstop2h 56m

$72

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 2/7

12:54 pm-3:33 pm

Nonstop2h 39m

Las Vegas Harry Reid Intl

Mon 2/9

9:00 am-11:56 am

Nonstop2h 56m

$73

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 2/5

9:25 pm-11:59 pm

Nonstop2h 34m

Las Vegas Harry Reid Intl

Sun 2/8

7:50 am-10:46 am

Nonstop2h 56m

$76

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 2/4

4:43 pm-7:13 pm

Nonstop2h 30m

Las Vegas Harry Reid Intl

Fri 2/6

6:45 am-9:36 am

Nonstop2h 51m

$77

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 1/31

12:54 pm-3:33 pm

Nonstop2h 39m

Las Vegas Harry Reid Intl

Sun 2/8

7:50 am-10:46 am

Nonstop2h 56m

$78

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 2/17

6:30 pm-9:05 pm

Nonstop2h 35m

Las Vegas Harry Reid Intl

Sat 2/21

1:28 pm-4:22 pm

Nonstop2h 54m

$79

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 2/1

7:00 am-9:36 am

Nonstop2h 36m

Las Vegas Harry Reid Intl

Sat 2/7

8:45 am-11:39 am

Nonstop2h 54m

$80

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 2/4

4:43 pm-7:13 pm

Nonstop2h 30m

Las Vegas Harry Reid Intl

Fri 2/6

6:45 am-9:36 am

Nonstop2h 51m

$81

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 2/15

9:23 pm-11:57 pm

Nonstop2h 34m

Las Vegas Harry Reid Intl

Thu 2/19

5:12 pm-8:08 pm

Nonstop2h 56m

$82

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 2/8

9:25 pm-11:59 pm

Nonstop2h 34m

Las Vegas Harry Reid Intl

Wed 2/18

7:00 am-9:53 am

Nonstop2h 53m

$84

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

What is the cheapest month to fly to Las Vegas?

The month of February is, on average, the cheapest month to fly to Las Vegas from Seattle, with most prices found around $175. The month of January is another great option to travel to Las Vegas, with average flight prices from Seattle averaging around $186.

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

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $180. Flights from Seattle to Las Vegas on a Friday will generally be more expensive and average around $258. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 $219. Flights to Las Vegas are more costly in the evening, with an average ticket price of $224. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $210 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 $163 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 January 2026, prices for Seattle to Las Vegas flights are approximately 61% 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

$115

Fastest flight time

2h 26m

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 $115. The best round-trip flight deal from Seattle to Las Vegas found on momondo in the last 72 hours is $124.
The fastest flight from Seattle to Las Vegas takes 2h 26m
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?

    A flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl will travel around 871.3 mi. Flights usually cover this in 2h 26m, depending on flying conditions and air traffic around both airports.

  • 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 refreshed on a daily basis.

  • 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 $52Free CancellationRating
5.7
3,068 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $54Free CancellationRating
6.3
8,257 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,823 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $97Free CancellationRating
7.9
8,020 reviews
Search Delta flights
SouthwestPriceFrom $129Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $136Free CancellationRating
8.0
11,598 reviews
Search Alaska Airlines flights

  • Southwest Flights From Seattle to Las Vegas

    Southwest operates around 5 flights from Seattle to Las Vegas every week. The average price of these flights found in the last 72 hours has been $265, but momondo users have found Southwest deals from Seattle to Las Vegas from as low as $129 round-trip. Southwest has been scored 8.0/10 in 4,252 reviews.

  • Alaska Airlines Flights From Seattle to Las Vegas

    Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Seattle to Las Vegas start from as low as $136 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $280. Alaska Airlines operates 33 flights to Las Vegas from Seattle in an average week. Users have rated it 8.0/10 across 11,598 reviews.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Las Vegas. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Seattle to Las Vegas flights to just show those with flexible booking policies.

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?

If you are simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Seattle and alert you when they change.

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