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Cheap flights from Seattle to Las Vegas from £36

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl are usually found in March or February, booked 54 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Seattle to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Las Vegas
Explore the most affordable flight options available from Seattle to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Tue 10/312:15
SEA
-
LAS
Nonstop2h 32m
Delta
Wed 25/306:00
LAS
-
SEA
Nonstop2h 46m
Delta
Deal found 27/1£71
Wed 25/205:15
SEA
-
LAS
1 stop6h 40m
Southwest
Wed 4/309:30
LAS
-
SEA
Nonstop2h 50m
Southwest
Deal found 25/1£78
Wed 18/215:35
SEA
-
LAS
Nonstop2h 26m
Delta
Wed 25/206:00
LAS
-
SEA
Nonstop2h 50m
Delta
Deal found 27/1£85
Sat 7/314:50
SEA
-
LAS
1 stop6h 00m
Southwest
Tue 10/310:10
LAS
-
SEA
Nonstop2h 55m
Southwest
Deal found 26/1£92
Wed 18/309:25
SEA
-
LAS
2 stops6h 00m
Southwest
Sat 21/322:35
LAS
-
SEA
Nonstop2h 45m
Southwest
Deal found 26/1£96
Wed 18/309:25
SEA
-
LAS
2 stops6h 00m
Southwest
Mon 23/320:20
LAS
-
SEA
1 stop5h 20m
Southwest
Deal found 26/1£103
Wed 6/511:43
SEA
-
LAS
1 stop7h 31m
Alaska Airlines
Fri 8/520:54
LAS
-
SEA
Nonstop2h 47m
Alaska Airlines
Deal found 26/1£107
Mon 2/321:22
SEA
-
LAS
Nonstop2h 33m
Alaska Airlines
Wed 4/319:59
LAS
-
SEA
1 stop12h 48m
Alaska Airlines
Deal found 27/1£109
Thu 7/520:10
SEA
-
LAS
Nonstop2h 36m
Delta
Sun 10/519:00
LAS
-
SEA
Nonstop2h 51m
Delta
Deal found 26/1£114

Find flight deals from Seattle to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 January 2026.

Round-trip from

£71

One-way from

£36

Popular in

October

Cheapest in

March

Average price

£146

Good one-way deal

£68 or less
Southwest
  • Southwest
  • 10/3-26/3
  • Nonstop
  • 5h 10m total
  • Seattle to Las Vegas
Search Deals
Delta
  • Delta
  • 17/3
  • Nonstop
  • 2h 30m total
  • Seattle to Las Vegas
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Seattle to Las Vegas that are best for you.

Fly from

Seattle

Fly to

Las Vegas

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 30/3

10:30-13:05

Nonstop2h 35m

Las Vegas Harry Reid Intl

Tue 31/3

16:45-19:35

Nonstop2h 50m

£71

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 7/3

06:15-08:45

Nonstop2h 30m

Las Vegas Harry Reid Intl

Tue 10/3

21:35-00:20

Nonstop2h 45m

£85

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 12/4

06:30-08:55

Nonstop2h 25m

Las Vegas Harry Reid Intl

Wed 15/4

10:10-16:55

1 stop6h 45m

£92

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 22/2

05:50-10:35

1 stop4h 45m

Las Vegas Harry Reid Intl

Tue 24/2

19:50-22:35

Nonstop2h 45m

£92

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 28/3

07:15-15:00

1 stop7h 45m

Las Vegas Harry Reid Intl

Thu 2/4

22:40-01:25

Nonstop2h 45m

£92

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 4/5

20:10-22:53

Nonstop2h 43m

Las Vegas Harry Reid Intl

Tue 5/5

07:00-09:51

Nonstop2h 51m

£100

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 5/5

12:53-15:27

Nonstop2h 34m

Las Vegas Harry Reid Intl

Fri 15/5

19:00-21:51

Nonstop2h 51m

£100

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 28/2

14:30-16:55

Nonstop2h 25m

Las Vegas Harry Reid Intl

Mon 2/3

16:40-22:30

1 stop5h 50m

£107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 23/2

11:30-18:30

1 stop7h 00m

Las Vegas Harry Reid Intl

Wed 25/2

09:30-12:20

Nonstop2h 50m

£107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 28/3

12:15-14:48

Nonstop2h 33m

Las Vegas Harry Reid Intl

Sat 4/4

06:00-08:46

Nonstop2h 46m

£114

Flights are sorted by cheapest return flights first.

Deals found on 24/1

Showing 1-10 of 21 results
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Best time to book a flight from Seattle to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Las Vegas

How far ahead should I book a flight from Seattle to Las Vegas?

Use this chart to determine the optimal time to book a return flight from Seattle to Las Vegas. Price data was last updated on 23 January 2026.

The best time to book flights from Seattle to Las Vegas is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Las Vegas?

Currently, March is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of £35). Flying from Seattle to Las Vegas in July is currently the most expensive (average of £73). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to LAS?

Find hourly flight availability from Seattle to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 January 2026.

It’s typically best to fly out from Seattle to Las Vegas at midday. Doing so could potentially save you 58% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost for a return flight from Seattle to Las Vegas?

Related info for your journey

Find useful and relevant information for your journey from Seattle to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Seattle to Las Vegas flight route?

    This flight path from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Las Vegas?

    There are many flights that can get you from Seattle to Las Vegas in 2h 35m. Fly via Southwest to get the fastest option. Seattle and Las Vegas are separated by a distance of 866 mi. All flights are typically direct.

  • What are the most reliable airlines from Seattle to Las Vegas?

    Consider SkyWest Airlines (100%), Alaska Airlines (81%) or Hawaiian Airlines (79%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Las Vegas.

  • What are the cheapest flights from Seattle to Las Vegas?

    While on average a flight from Seattle to Las Vegas is generally £75, our data shows the cheapest flight currently is £43. When looking at the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl), you can expect to pay £261 for that flight.

  • Can I find deals for flights from Seattle to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Seattle to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Las Vegas.

  • Can I find deals for business class flights from Seattle to Las Vegas?

    Yes. Cheapflights offers flight deals from Seattle to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Las Vegas?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of £35). Flying from Seattle to Las Vegas in July is currently the most expensive (average of £73). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Furnace Creek
Henderson
Kingman

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Las Vegas flights

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How does Cheapflights help users find flights from Seattle to Las Vegas?

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Las Vegas?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Seattle.

Can Cheapflights find flights from Seattle to Las Vegas with no change fees?

Need flexible booking options for your flight to Las Vegas from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Las Vegas become cheaper?

Yes! Start tracking prices for Seattle to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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