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Cheap flights from Seattle to Las Vegas from $104

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl are usually found in October or November, booked 48 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap 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 16 September 2025.

Round-trip from

$168

One-way from

$104

Popular in

December

Cheapest in

October

Average price

$273

Good one-way deal

$127 or less
Frontier
  • Frontier
  • 22/10-23/10
  • Nonstop
  • 5h 34m total
  • Seattle to Las Vegas
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Delta
  • Delta
  • 30/12
  • Nonstop
  • 2h 40m total
  • Seattle to Las Vegas
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl.
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Find flight deals from Seattle to Las Vegas

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 16 September 2025.

Wed 22/1019:50SEA - LAS
Nonstop2h 36mMultiple Airlines
Thu 23/1012:18LAS - SEA
Nonstop2h 58mMultiple Airlines
Deal found 14/9$168
Wed 22/1020:43SEA - LAS
1 stop11h 19mFrontier
Thu 23/1012:18LAS - SEA
Nonstop2h 58mFrontier
Deal found 14/9$189
Tue 7/1014:16SEA - LAS
Nonstop2h 37mAlaska Airlines
Tue 7/1019:35LAS - SEA
Nonstop2h 55mAlaska Airlines
Deal found 15/9$197
Wed 8/1012:00SEA - LAS
Nonstop2h 39mDelta
Wed 8/1019:10LAS - SEA
Nonstop2h 50mDelta
Deal found 15/9$206
Wed 29/1012:58SEA - LAS
1 stop23h 09mFrontier
Mon 3/1106:00LAS - SEA
1 stop8h 16mFrontier
Deal found 15/9$218
Wed 5/1115:05SEA - LAS
Nonstop2h 25mSouthwest
Mon 10/1121:40LAS - SEA
Nonstop2h 50mSouthwest
Deal found 15/9$221
Tue 14/1006:15SEA - LAS
2 stops6h 05mSouthwest
Wed 15/1020:10LAS - SEA
Nonstop2h 45mSouthwest
Deal found 15/9$228
Fri 31/1012:00SEA - LAS
Nonstop2h 39mDelta
Wed 5/1117:59LAS - SEA
Nonstop2h 51mDelta
Deal found 14/9$230
Tue 11/1105:15SEA - LAS
1 stop6h 20mSouthwest
Tue 11/1116:25LAS - SEA
1 stop6h 30mSouthwest
Deal found 13/9$234
Sat 11/1018:05SEA - LAS
Nonstop2h 31mDelta
Thu 16/1015:44LAS - SEA
Nonstop2h 51mDelta
Deal found 15/9$236
Fri 31/1012:05SEA - LAS
Nonstop2h 42mAlaska Airlines
Mon 3/1110:08LAS - SEA
Nonstop2h 55mAlaska Airlines
Deal found 15/9$245

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 16 September 2025.
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

Wed 17/12

19:59-22:34

Nonstop2h 35m

Las Vegas Harry Reid Intl

Wed 7/1

18:00-20:52

Nonstop2h 52m

$206

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 14/10

19:59-22:30

Nonstop2h 31m

Las Vegas Harry Reid Intl

Wed 15/10

06:00-08:46

Nonstop2h 46m

$206

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 7/1

19:50-22:20

Nonstop2h 30m

Las Vegas Harry Reid Intl

Thu 12/2

19:15-21:53

Nonstop2h 38m

$221

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 14/10

16:40-19:05

Nonstop2h 25m

Las Vegas Harry Reid Intl

Wed 15/10

12:00-19:15

1 stop7h 15m

$221

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 19/10

19:59-22:30

Nonstop2h 31m

Las Vegas Harry Reid Intl

Tue 21/10

19:10-22:00

Nonstop2h 50m

$221

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 11/10

18:05-20:36

Nonstop2h 31m

Las Vegas Harry Reid Intl

Tue 14/10

19:10-22:00

Nonstop2h 50m

$221

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 14/12

07:10-09:49

Nonstop2h 39m

Las Vegas Harry Reid Intl

Wed 17/12

19:12-22:12

Nonstop3h 00m

$221

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

$221

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 21/10

15:44-18:15

Nonstop2h 31m

Las Vegas Harry Reid Intl

Fri 24/10

19:10-22:00

Nonstop2h 50m

$221

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 11/10

15:50-22:10

1 stop6h 20m

Las Vegas Harry Reid Intl

Wed 15/10

20:10-22:55

Nonstop2h 45m

$236

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 24 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 12 September 2025.

Booking 48 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, March is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of $978). Flying from Seattle to Las Vegas in December is currently the most expensive (average of $1,513). 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 16 September 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 42% on flights from Seattle to Las Vegas by exploring options for tickets in the afternoon.

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, 51 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 Delta fly from Seattle to Las Vegas in about 2h 31m. The time it takes to get you to your destination is usually consistent. The distance from Seattle to Las Vegas is about 1394 km. Generally, flights for this route are direct.

  • 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 (93%), Delta (90%), WestJet( 90%).

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

    On average you can expect to pay $149 for a flight from Seattle to Las Vegas. The cheapest flight overall is $112 while the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl) is currently priced at $264.

  • 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 $978). Flying from Seattle to Las Vegas in December is currently the most expensive (average of $1,513). 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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