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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 9/5. 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

Frontier Logo
4:36 pm - 7:15 pmSEA-LAS
2h 39mnonstop
Frontier Logo
12:42 pm - 3:41 pmLAS-SEA
2h 59mnonstop
$78Frontier
Find Deal
Thu, Sep 4 - Mon, Sep 8
Frontier Logo
1:39 pm - 4:21 pmSEA-LAS
2h 42mnonstop
Frontier Logo
12:42 pm - 3:41 pmLAS-SEA
2h 59mnonstop
$86Frontier
Find Deal
Fri, Sep 5 - Mon, Sep 8
Frontier Logo
1:47 pm - 4:29 pmSEA-LAS
2h 42mnonstop
Frontier Logo
12:46 pm - 3:45 pmLAS-SEA
2h 59mnonstop
$89Frontier
Find Deal
Mon, Sep 22 - Fri, Sep 26
Frontier Logo
1:39 pm - 4:21 pmSEA-LAS
2h 42mnonstop
Frontier Logo
12:42 pm - 3:41 pmLAS-SEA
2h 59mnonstop
$90Frontier
Find Deal
Fri, Sep 5 - Mon, Sep 8
Southwest Logo
6:45 am - 9:15 amSEA-LAS
2h 30mnonstop
Southwest Logo
5:10 pm - 7:55 pmLAS-SEA
2h 45mnonstop
$107Southwest
Find Deal
Tue, Sep 16 - Wed, Sep 24
Southwest Logo
1:40 pm - 4:20 pmSEA-LAS
2h 40mnonstop
Southwest Logo
6:50 pm - 9:30 pmLAS-SEA
2h 40mnonstop
$113Southwest
Find Deal
Wed, Sep 17 - Sat, Sep 20
Hawaiian Airlines Logo
7:50 pm - 10:26 pmSEA-LAS
2h 36mnonstop
Hawaiian Airlines Logo
11:09 am - 1:57 pmLAS-SEA
2h 48mnonstop
$129Hawaiian Airlines
Find Deal
Wed, Oct 8 - Fri, Oct 10
Hawaiian Airlines Logo
2:13 pm - 4:54 pmSEA-LAS
2h 41mnonstop
Hawaiian Airlines Logo
7:45 am - 10:39 amLAS-SEA
2h 54mnonstop
$136Hawaiian Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
Delta Logo
10:05 am - 12:49 pmSEA-LAS
2h 44mnonstop
Delta Logo
1:45 pm - 4:27 pmLAS-SEA
2h 42mnonstop
$149Delta
Find Deal
Tue, Sep 2 - Wed, Sep 10
Alaska Airlines Logo
12:00 pm - 2:45 pmSEA-LAS
2h 45mnonstop
Alaska Airlines Logo
5:46 pm - 8:35 pmLAS-SEA
2h 49mnonstop
$151Alaska Airlines
Find Deal
Tue, Aug 26 - Tue, Aug 26

Southwest flights from Seattle to Las Vegas

Our best Southwest deals on Seattle to Las Vegas flight tickets
Southwest
Sep 16
SEA6:45 amSeattle/Tacoma Intl
2h 30m
LAS9:15 amLas Vegas Harry Reid Intl
Sep 24
LAS5:10 pmLas Vegas Harry Reid Intl
2h 45m
SEA7:55 pmSeattle/Tacoma Intl
$107
Find similar
Southwest
Sep 17
SEA1:40 pmSeattle/Tacoma Intl
2h 40m
LAS4:20 pmLas Vegas Harry Reid Intl
Sep 20
LAS6:50 pmLas Vegas Harry Reid Intl
2h 40m
SEA9:30 pmSeattle/Tacoma Intl
$113
Find similar
Southwest
Oct 5
SEA5:00 amSeattle/Tacoma Intl
2h 30m
LAS7:30 amLas Vegas Harry Reid Intl
Oct 7
LAS8:10 pmLas Vegas Harry Reid Intl
2h 45m
SEA10:55 pmSeattle/Tacoma Intl
$119
Find similar

Frontier flights from Seattle to Las Vegas

Our best Frontier deals on Seattle to Las Vegas flight tickets
Frontier
Sep 4
SEA4:36 pmSeattle/Tacoma Intl
2h 39m
LAS7:15 pmLas Vegas Harry Reid Intl
Sep 8
LAS12:42 pmLas Vegas Harry Reid Intl
2h 59m
SEA3:41 pmSeattle/Tacoma Intl
$78
Find similar
Frontier
Sep 5
SEA1:39 pmSeattle/Tacoma Intl
2h 42m
LAS4:21 pmLas Vegas Harry Reid Intl
Sep 8
LAS12:42 pmLas Vegas Harry Reid Intl
2h 59m
SEA3:41 pmSeattle/Tacoma Intl
$86
Find similar
Frontier
Sep 22
SEA1:47 pmSeattle/Tacoma Intl
2h 42m
LAS4:29 pmLas Vegas Harry Reid Intl
Sep 26
LAS12:46 pmLas Vegas Harry Reid Intl
2h 59m
SEA3:45 pmSeattle/Tacoma Intl
$89
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 August 5, 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

Thu 9/4

4:36 pm-7:15 pm

Nonstop2h 39m

Las Vegas Harry Reid Intl

Mon 9/8

12:42 pm-3:41 pm

Nonstop2h 59m

$78

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 9/5

1:39 pm-4:21 pm

Nonstop2h 42m

Las Vegas Harry Reid Intl

Mon 9/8

12:42 pm-3:41 pm

Nonstop2h 59m

$86

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 9/22

1:47 pm-4:29 pm

Nonstop2h 42m

Las Vegas Harry Reid Intl

Fri 9/26

12:46 pm-3:45 pm

Nonstop2h 59m

$89

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 9/5

1:39 pm-4:21 pm

Nonstop2h 42m

Las Vegas Harry Reid Intl

Mon 9/8

12:42 pm-3:41 pm

Nonstop2h 59m

$90

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 9/16

6:45 am-9:15 am

Nonstop2h 30m

Las Vegas Harry Reid Intl

Wed 9/24

5:10 pm-7:55 pm

Nonstop2h 45m

$107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 9/17

1:40 pm-4:20 pm

Nonstop2h 40m

Las Vegas Harry Reid Intl

Sat 9/20

6:50 pm-9:30 pm

Nonstop2h 40m

$113

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 10/8

7:50 pm-10:26 pm

Nonstop2h 36m

Las Vegas Harry Reid Intl

Fri 10/10

11:09 am-1:57 pm

Nonstop2h 48m

$129

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 9/17

2:13 pm-4:54 pm

Nonstop2h 41m

Las Vegas Harry Reid Intl

Wed 9/24

7:45 am-10:39 am

Nonstop2h 54m

$136

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 9/2

10:05 am-12:49 pm

Nonstop2h 44m

Las Vegas Harry Reid Intl

Wed 9/10

1:45 pm-4:27 pm

Nonstop2h 42m

$149

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 8/26

12:00 pm-2:45 pm

Nonstop2h 45m

Las Vegas Harry Reid Intl

Tue 8/26

5:46 pm-8:35 pm

Nonstop2h 49m

$151

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?

The month of October is, on average, the cheapest month to fly to Las Vegas from Seattle, with most prices found around $148. The month of September is another great option to travel to Las Vegas, with average flight prices from Seattle averaging around $149.

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

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $172. Flights from Seattle to Las Vegas on a Thursday will generally be more expensive and average around $233. 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 at noon when flights can be purchased for as low as $193. Flights to Las Vegas are more costly in the evening, with an average ticket price of $215. 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 $190 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 $160 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 August 2025, prices for Seattle to Las Vegas flights are approximately 21% 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

$43

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 $43. The best round-trip flight deal from Seattle to Las Vegas found on momondo in the last 72 hours is $78.
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)
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 25m, 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
Spirit AirlinesPriceFrom $42Free CancellationRating
6.3
8,052 reviews
Search Spirit Airlines flights
FrontierPriceFrom $44Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,617 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $97Free CancellationRating
8.0
7,990 reviews
Search Delta flights
SouthwestPriceFrom $133Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $135Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $196Free CancellationRating
7.4
8,910 reviews
Search United Airlines flights
American AirlinesPriceFrom $201Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Delta Flights From Seattle to Las Vegas

    Delta operates around 11 flights from Seattle to Las Vegas every week. The average price of these flights found in the last 72 hours has been $231, but momondo users have found Delta deals from Seattle to Las Vegas from as low as $97 round-trip. Delta has been scored 8.0/10 in 7,990 reviews.

  • Southwest Flights From Seattle to Las Vegas

    Southwest is also a popular choice for this route. Southwest flight deals for Seattle to Las Vegas start from as low as $133 round-trip, depending on your selected dates, with average Southwest deals seen on momondo around $272. Southwest operates 6 flights to Las Vegas from Seattle in an average week. Users have rated it 8.0/10 across 4,247 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
Mesquite
North Las Vegas
Paradise
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
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.

An easier way to manage your Las Vegas trip

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