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Cheap flights from Seattle to Las Vegas from £37

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 14/1. 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

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Frontier Logo
18:05 - 20:40
SEA
-
LAS
2h 35mdirect
Frontier Logo
14:42 - 17:37
LAS
-
SEA
2h 55mdirect
£52Frontier
Sun, 4 Jan - Thu, 8 Jan
Hawaiian Airlines Logo
16:43 - 19:13
SEA
-
LAS
2h 30mdirect
Hawaiian Airlines Logo
12:05 - 14:57
LAS
-
SEA
2h 52mdirect
£65Hawaiian Airlines
Tue, 27 Jan - Tue, 3 Feb
Alaska Airlines Logo
08:38 - 11:11
SEA
-
LAS
2h 33mdirect
Alaska Airlines Logo
13:43 - 16:36
LAS
-
SEA
2h 53mdirect
£69Alaska Airlines
Wed, 28 Jan - Wed, 28 Jan
Alaska Airlines Logo
21:22 - 23:55
SEA
-
LAS
2h 33mdirect
Alaska Airlines Logo
17:51 - 20:44
LAS
-
SEA
2h 53mdirect
£73Alaska Airlines
Wed, 18 Feb - Wed, 25 Feb
Multiple Airlines Logo
05:20 - 09:10
SEA
-
LAS
3h 50m1 stop
Multiple Airlines Logo
14:42 - 17:37
LAS
-
SEA
2h 55mdirect
£76Multiple Airlines
Sun, 4 Jan - Thu, 8 Jan
Southwest Logo
08:45 - 11:15
SEA
-
LAS
2h 30mdirect
Southwest Logo
12:40 - 18:35
LAS
-
SEA
5h 55m1 stop
£80Southwest
Tue, 13 Jan - Tue, 20 Jan
Alaska Airlines Logo
08:38 - 11:11
SEA
-
LAS
2h 33mdirect
Alaska Airlines Logo
13:43 - 16:36
LAS
-
SEA
2h 53mdirect
£83Alaska Airlines
Wed, 7 Jan - Wed, 7 Jan
Hawaiian Airlines Logo
16:43 - 19:13
SEA
-
LAS
2h 30mdirect
Hawaiian Airlines Logo
14:19 - 18:43
LAS
-
SEA
4h 24m1 stop
£84Hawaiian Airlines
Tue, 27 Jan - Tue, 3 Feb
Southwest Logo
06:25 - 12:30
SEA
-
LAS
6h 05m1 stop
Southwest Logo
16:10 - 21:50
LAS
-
SEA
5h 40m1 stop
£87Southwest
Tue, 13 Jan - Tue, 20 Jan
Alaska Airlines Logo
12:03 - 14:41
SEA
-
LAS
2h 38mdirect
Alaska Airlines Logo
07:00 - 09:53
LAS
-
SEA
2h 53mdirect
£87Alaska Airlines
Wed, 7 Jan - Mon, 12 Jan

Delta flights from Seattle to Las Vegas

Our best Delta deals on Seattle to Las Vegas flight tickets
Delta
18 Feb
SEA10:45Seattle/Tacoma Intl
2h 29m
LAS13:14Las Vegas Harry Reid Intl
24 Feb
LAS11:05Las Vegas Harry Reid Intl
2h 54m
SEA13:59Seattle/Tacoma Intl
£73
Find similar
Delta
31 Jan
SEA12:25Seattle/Tacoma Intl
2h 35m
LAS15:00Las Vegas Harry Reid Intl
2 Feb
LAS06:05Las Vegas Harry Reid Intl
2h 50m
SEA08:55Seattle/Tacoma Intl
£88
Find similar
Delta
14 Jan
SEA14:05Seattle/Tacoma Intl
2h 27m
LAS16:32Las Vegas Harry Reid Intl
20 Jan
LAS06:05Las Vegas Harry Reid Intl
2h 50m
SEA08:55Seattle/Tacoma Intl
£109
Find similar

Southwest flights from Seattle to Las Vegas

Our best Southwest deals on Seattle to Las Vegas flight tickets
Southwest
13 Jan
SEA06:25Seattle/Tacoma Intl
6h 05m
1 stop
LAS12:30Las Vegas Harry Reid Intl
20 Jan
LAS16:10Las Vegas Harry Reid Intl
5h 40m
1 stop
SEA21:50Seattle/Tacoma Intl
£87
Find similar
Southwest
31 Jan
SEA11:40Seattle/Tacoma Intl
4h 40m
1 stop
LAS16:20Las Vegas Harry Reid Intl
2 Feb
LAS09:30Las Vegas Harry Reid Intl
2h 50m
SEA12:20Seattle/Tacoma Intl
£91
Find similar
Southwest
13 Jan
SEA10:10Seattle/Tacoma Intl
7h 30m
1 stop
LAS17:40Las Vegas Harry Reid Intl
17 Jan
LAS13:25Las Vegas Harry Reid Intl
6h 30m
1 stop
SEA19:55Seattle/Tacoma Intl
£94
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 15 December 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 4/1

18:05-20:40

Nonstop2h 35m

Las Vegas Harry Reid Intl

Thu 8/1

14:42-17:37

Nonstop2h 55m

£52

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 27/1

16:43-19:13

Nonstop2h 30m

Las Vegas Harry Reid Intl

Tue 3/2

12:05-14:57

Nonstop2h 52m

£65

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 28/1

08:38-11:11

Nonstop2h 33m

Las Vegas Harry Reid Intl

Wed 28/1

13:43-16:36

Nonstop2h 53m

£69

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 18/2

21:22-23:55

Nonstop2h 33m

Las Vegas Harry Reid Intl

Wed 25/2

17:51-20:44

Nonstop2h 53m

£73

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 4/1

05:20-09:10

1 stop3h 50m

Las Vegas Harry Reid Intl

Thu 8/1

14:42-17:37

Nonstop2h 55m

£76

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 13/1

08:45-11:15

Nonstop2h 30m

Las Vegas Harry Reid Intl

Tue 20/1

12:40-18:35

1 stop5h 55m

£80

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 7/1

08:38-11:11

Nonstop2h 33m

Las Vegas Harry Reid Intl

Wed 7/1

13:43-16:36

Nonstop2h 53m

£83

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 27/1

16:43-19:13

Nonstop2h 30m

Las Vegas Harry Reid Intl

Tue 3/2

14:19-18:43

1 stop4h 24m

£84

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 13/1

06:25-12:30

1 stop6h 05m

Las Vegas Harry Reid Intl

Tue 20/1

16:10-21:50

1 stop5h 40m

£87

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 7/1

12:03-14:41

Nonstop2h 38m

Las Vegas Harry Reid Intl

Mon 12/1

07:00-09:53

Nonstop2h 53m

£87

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 cheapest month to fly to Las Vegas?

In general, February 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 £132. If you’re not able to fly to Las Vegas in February, then January is your next best option. Flight prices from Seattle to Las Vegas during January average around £139.

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 £99. 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 £241.

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 £69. Flights to Las Vegas are more costly in the morning, with an average ticket price of £143. Departure times in the morning 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 £157 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 £122 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 December 2025, prices for Seattle to Las Vegas flights are approximately 78% 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 30m

Direct flights

Every day

Airports in Las Vegas

1 airport
The fastest flight from Seattle to Las Vegas takes 2h 30m
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?

    Seattle/Tacoma Intl and Las Vegas Harry Reid Intl are 871.3 mi apart from one another. By plane, this route typically takes 2h 30m.

  • 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 £123Free CancellationRating
8.0
11,451 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Las Vegas

    Alaska Airlines operates around 14 flights from Seattle to Las Vegas every week. The average price of these flights found in the last 72 hours has been £157, but momondo users have found Alaska Airlines deals from Seattle to Las Vegas from as low as £123 round-trip. Alaska Airlines has been scored 8.0/10 in 11,451 reviews.

Travelling to a place near Las Vegas?

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

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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