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Cheap flights from Seattle to Las Vegas from £46

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 14/10. 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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Cheap return flights

Southwest Logo
07:05 - 09:35SEA-LAS
2h 30mdirect
Southwest Logo
19:40 - 22:30LAS-SEA
2h 50mdirect
£79Southwest
Find Deal
Mon, 17 Nov - Wed, 19 Nov
Southwest Logo
06:55 - 09:20SEA-LAS
2h 25mdirect
Southwest Logo
20:10 - 22:55LAS-SEA
2h 45mdirect
£80Southwest
Find Deal
Wed, 15 Oct - Tue, 21 Oct
Southwest Logo
13:20 - 19:45SEA-LAS
6h 25m1 stop
Southwest Logo
16:25 - 22:55LAS-SEA
6h 30m1 stop
£83Southwest
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Southwest Logo
06:55 - 09:20SEA-LAS
2h 25mdirect
Southwest Logo
19:15 - 22:05LAS-SEA
2h 50mdirect
£84Southwest
Find Deal
Wed, 22 Oct - Sat, 25 Oct
Southwest Logo
07:05 - 09:35SEA-LAS
2h 30mdirect
Southwest Logo
06:20 - 12:05LAS-SEA
5h 45m1 stop
£86Southwest
Find Deal
Mon, 17 Nov - Wed, 19 Nov
Hawaiian Airlines Logo
14:16 - 16:53SEA-LAS
2h 37mdirect
Hawaiian Airlines Logo
19:35 - 22:30LAS-SEA
2h 55mdirect
£89Hawaiian Airlines
Find Deal
Wed, 15 Oct - Wed, 15 Oct
Alaska Airlines Logo
08:37 - 11:18SEA-LAS
2h 41mdirect
Alaska Airlines Logo
12:31 - 15:27LAS-SEA
2h 56mdirect
£94Alaska Airlines
Find Deal
Wed, 12 Nov - Wed, 12 Nov
Delta Logo
07:10 - 09:47SEA-LAS
2h 37mdirect
Delta Logo
13:59 - 16:50LAS-SEA
2h 51mdirect
£98Delta
Find Deal
Sun, 12 Oct - Wed, 15 Oct
Delta Logo
20:10 - 22:46SEA-LAS
2h 36mdirect
Delta Logo
10:59 - 13:52LAS-SEA
2h 53mdirect
£107Delta
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Tue, 3 Mar - Thu, 5 Mar
Alaska Airlines Logo
17:59 - 20:37SEA-LAS
2h 38mdirect
Alaska Airlines Logo
19:35 - 22:30LAS-SEA
2h 55mdirect
£111Alaska Airlines
Find Deal
Sat, 18 Oct - Tue, 21 Oct

Southwest flights from Seattle to Las Vegas

Our best Southwest deals on Seattle to Las Vegas flight tickets
Southwest
17 Nov
SEA07:05Seattle/Tacoma Intl
2h 30m
LAS09:35Las Vegas Harry Reid Intl
19 Nov
LAS19:40Las Vegas Harry Reid Intl
2h 50m
SEA22:30Seattle/Tacoma Intl
£79
Find similar
Southwest
15 Oct
SEA06:55Seattle/Tacoma Intl
2h 25m
LAS09:20Las Vegas Harry Reid Intl
21 Oct
LAS20:10Las Vegas Harry Reid Intl
2h 45m
SEA22:55Seattle/Tacoma Intl
£80
Find similar
Southwest
28 Oct
SEA13:20Seattle/Tacoma Intl
6h 25m
1 stop
LAS19:45Las Vegas Harry Reid Intl
4 Nov
LAS16:25Las Vegas Harry Reid Intl
6h 30m
1 stop
SEA22:55Seattle/Tacoma Intl
£83
Find similar

Alaska Airlines flights from Seattle to Las Vegas

Our best Alaska Airlines deals on Seattle to Las Vegas flight tickets
Alaska Airlines
12 Nov
SEA08:37Seattle/Tacoma Intl
2h 41m
LAS11:18Las Vegas Harry Reid Intl
12 Nov
LAS12:31Las Vegas Harry Reid Intl
2h 56m
SEA15:27Seattle/Tacoma Intl
£94
Find similar
Alaska Airlines
18 Oct
SEA17:59Seattle/Tacoma Intl
2h 38m
LAS20:37Las Vegas Harry Reid Intl
21 Oct
LAS19:35Las Vegas Harry Reid Intl
2h 55m
SEA22:30Seattle/Tacoma Intl
£111
Find similar
Alaska Airlines
22 Oct
SEA19:50Seattle/Tacoma Intl
2h 36m
LAS22:26Las Vegas Harry Reid Intl
25 Oct
LAS07:00Las Vegas Harry Reid Intl
12h 31m
1 stop
SEA19:31Seattle/Tacoma Intl
£118
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 12 September 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

Mon 17/11

07:05-09:35

Nonstop2h 30m

Las Vegas Harry Reid Intl

Wed 19/11

19:40-22:30

Nonstop2h 50m

£79

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 15/10

06:55-09:20

Nonstop2h 25m

Las Vegas Harry Reid Intl

Tue 21/10

20:10-22:55

Nonstop2h 45m

£80

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 28/10

13:20-19:45

1 stop6h 25m

Las Vegas Harry Reid Intl

Tue 4/11

16:25-22:55

1 stop6h 30m

£83

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 22/10

06:55-09:20

Nonstop2h 25m

Las Vegas Harry Reid Intl

Sat 25/10

19:15-22:05

Nonstop2h 50m

£84

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 17/11

07:05-09:35

Nonstop2h 30m

Las Vegas Harry Reid Intl

Wed 19/11

06:20-12:05

1 stop5h 45m

£86

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 15/10

14:16-16:53

Nonstop2h 37m

Las Vegas Harry Reid Intl

Wed 15/10

19:35-22:30

Nonstop2h 55m

£89

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 12/11

08:37-11:18

Nonstop2h 41m

Las Vegas Harry Reid Intl

Wed 12/11

12:31-15:27

Nonstop2h 56m

£94

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 12/10

07:10-09:47

Nonstop2h 37m

Las Vegas Harry Reid Intl

Wed 15/10

13:59-16:50

Nonstop2h 51m

£98

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 3/3

20:10-22:46

Nonstop2h 36m

Las Vegas Harry Reid Intl

Thu 5/3

10:59-13:52

Nonstop2h 53m

£107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 18/10

17:59-20:37

Nonstop2h 38m

Las Vegas Harry Reid Intl

Tue 21/10

19:35-22:30

Nonstop2h 55m

£111

Flights are sorted by cheapest return 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?

In general, September is the cheapest month to fly from Seattle to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £116. If you’re not able to fly to Las Vegas in September, then October is your next best option. Flight prices from Seattle to Las Vegas during October average around £116.

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

The cheapest day to depart on your flight to Las Vegas is on a Friday when prices can be found for as low as £98. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £238.

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

Our data shows that the cheapest Seattle to Las Vegas flights are usually those with departure times at midday. Our users have found flights to Las Vegas at midday for as low as £68. Flights to Las Vegas are more costly in the evening, with an average ticket price of £151. 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 £143 when searching weeks before you fly. 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 £119 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 September 2025, prices for Seattle to Las Vegas flights are approximately 19% 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 return 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

Fastest flight time

2h 25m

Direct flights

Every day

Airports in Las Vegas

1 airport
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?

    Seattle/Tacoma Intl and Las Vegas Harry Reid Intl are 871.3 mi apart from one another. By plane, this route typically takes 2h 25m.

  • 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 were last updated today.

  • 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
Alaska AirlinesPriceFrom £121Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Las Vegas

    Alaska Airlines operates around 15 flights from Seattle to Las Vegas every week. The average price of these flights found in the last 72 hours has been £204, but momondo users have found Alaska Airlines deals from Seattle to Las Vegas from as low as £164 round-trip. Alaska Airlines has been scored 8.0/10 in 10,000 reviews.

Travelling to a place near Las Vegas?

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

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 recognisable 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. 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 not ready to book a flight from Seattle to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.

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