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Cheap flights from Seattle to Las Vegas from $155

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

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 21 June 2026.

Sun 23/821:29
SEA
-
LAS
Nonstop2h 42m
Frontier
Wed 26/814:45
LAS
-
SEA
1 stop4h 53m
Frontier
Deal found 20/6$219
Tue 14/720:13
SEA
-
LAS
Nonstop2h 41m
Frontier
Wed 15/707:45
LAS
-
SEA
Nonstop2h 54m
Frontier
Deal found 18/6$247
Tue 25/807:15
SEA
-
LAS
Nonstop2h 36m
Delta
Tue 25/819:16
LAS
-
SEA
Nonstop2h 43m
Delta
Deal found 17/6$309
Thu 27/820:30
SEA
-
LAS
Nonstop2h 36m
Delta
Wed 2/906:10
LAS
-
SEA
Nonstop2h 35m
Delta
Deal found 18/6$323
Wed 26/813:16
SEA
-
LAS
1 stop5h 27m
United Airlines
Sat 29/810:44
LAS
-
SEA
1 stop4h 45m
United Airlines
Deal found 19/6$331
Thu 22/1020:10
SEA
-
LAS
Nonstop2h 38m
Delta
Sun 25/1019:00
LAS
-
SEA
Nonstop2h 54m
Delta
Deal found 21/6$338

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 21 June 2026.

Round-trip from

$219

One-way from

$155

Popular in

May

Cheapest in

January

Average price

$368

Good round-trip deal

$311 or less

Good one-way deal

$221 or less
Frontier
  • Frontier
  • 23/8-26/8
  • 1 total stop
  • 7h 35m total
  • Seattle to Las Vegas
Search Deals
Southwest
  • Southwest
  • 18/11
  • Nonstop
  • 2h 30m total
  • Seattle to Las Vegas
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.
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 647,157 searches. Data last updated 21 June 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

Cheapest return flight

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 4/11

07:01-12:27

1 stop5h 26m

Las Vegas Harry Reid Intl

Mon 9/11

06:00-11:14

1 stop5h 14m

$338

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 1/9

05:55-12:10

2 stops6h 15m

Las Vegas Harry Reid Intl

Fri 4/9

18:40-00:40

1 stop6h 00m

$373

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 29/7

07:30-15:40

2 stops8h 10m

Las Vegas Harry Reid Intl

Wed 29/7

21:55-00:35

Nonstop2h 40m

$405

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 23/8

05:55-10:45

1 stop4h 50m

Las Vegas Harry Reid Intl

Wed 26/8

12:40-19:10

2 stops6h 30m

$410

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 14/7

06:15-14:00

1 stop7h 45m

Las Vegas Harry Reid Intl

Wed 15/7

12:30-18:50

2 stops6h 20m

$419

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 30/11

20:10-22:48

Nonstop2h 38m

Las Vegas Harry Reid Intl

Thu 3/12

10:59-13:55

Nonstop2h 56m

$422

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 5/8

07:40-15:25

2 stops7h 45m

Las Vegas Harry Reid Intl

Mon 10/8

07:30-11:50

1 stop4h 20m

$432
Fastest return journey

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 17/7

09:50-12:25

Nonstop2h 35m

Las Vegas Harry Reid Intl

Mon 20/7

19:06-21:49

Nonstop2h 43m

$439

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 11/8

05:55-12:10

2 stops6h 15m

Las Vegas Harry Reid Intl

Sat 15/8

14:20-21:30

2 stops7h 10m

$445
Cheapest one-way

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 14/9

18:52-23:57

1 stop5h 05m

$170

Flights are sorted by cheapest return flights first.

Deals found on 17/6

Showing 1-10 of 19 resultsSorted by cheapest first
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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?

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of $248). Flying from Seattle to Las Vegas in May is currently the most expensive (average of $426). 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 21 June 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 59% on flights from Seattle to Las Vegas by exploring options for tickets in the evening.

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?

    Within the past month, 5 users have taken a look at flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.

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

    Airlines like United Airlines and Southwest fly from Seattle to Las Vegas in about 6h 01m. The time it takes to get you to your destination can typically vary by up to 29m. The distance from Seattle to Las Vegas is about 1394 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Before booking your flight to Las Vegas from Seattle, have a look at the most reliable airlines to get you to your destination on time: KLM (94%), Scandinavian Airlines (93%), Aeromexico( 92%).

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

    On average you can expect to pay $279 for a flight from Seattle to Las Vegas. The cheapest flight overall is $197 while the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl) is currently priced at $302.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of $248). Flying from Seattle to Las Vegas in May is currently the most expensive (average of $426). 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
Paradise
Winchester

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Las Vegas for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Seattle to Las Vegas with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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