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Cheap flights from Seattle to Las Vegas from $75

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
7 Dec — 14 Dec1
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 February or November, booked 81 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 7 November 2025.

Round-trip from

$148

One-way from

$75

Popular in

December

Cheapest in

February

Average price

$286
Alaska Airlines
  • Alaska Airlines
  • 10/3-11/3
  • Nonstop
  • 5h 13m total
  • Seattle to Las Vegas
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Southwest
  • Southwest
  • 25/1
  • Nonstop
  • 2h 30m total
  • Seattle to Las Vegas
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 7 November 2025.

Mon 29/1211:45SEA - LAS
Nonstop2h 38mDelta
Tue 6/111:06LAS - SEA
Nonstop2h 54mDelta
Deal found 5/11$165
Tue 16/1210:38SEA - LAS
Nonstop2h 37mAlaska Airlines
Tue 16/1217:07LAS - SEA
Nonstop2h 54mAlaska Airlines
Deal found 5/11$171
Sat 13/1221:23SEA - LAS
Nonstop2h 32mAlaska Airlines
Thu 18/1217:42LAS - SEA
Nonstop2h 53mAlaska Airlines
Deal found 5/11$180
Tue 2/1215:05SEA - LAS
Nonstop2h 25mSouthwest
Tue 9/1216:25LAS - SEA
1 stop6h 30mSouthwest
Deal found 4/11$195
Sat 15/1119:17SEA - LAS
Nonstop2h 38mFrontier
Mon 17/1106:00LAS - SEA
1 stop7h 37mFrontier
Deal found 6/11$199
Wed 3/1209:25SEA - LAS
2 stops6h 45mSouthwest
Sat 6/1217:30LAS - SEA
Nonstop2h 50mSouthwest
Deal found 6/11$203
Tue 2/1217:05SEA - LAS
1 stop4h 50mSouthwest
Thu 4/1209:05LAS - SEA
1 stop7h 25mSouthwest
Deal found 6/11$209
Wed 17/1208:17SEA - LAS
Nonstop2h 41mAlaska Airlines
Wed 17/1214:57LAS - SEA
1 stop6h 46mAlaska Airlines
Deal found 5/11$217
Fri 12/1221:23SEA - LAS
Nonstop2h 32mAlaska Airlines
Mon 15/1210:10LAS - SEA
Nonstop2h 58mAlaska Airlines
Deal found 5/11$226
Wed 31/1223:10SEA - LAS
2 stops10h 00mAlaska Airlines
Tue 6/106:00LAS - SEA
Nonstop2h 54mAlaska Airlines
Deal found 5/11$240

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 7 November 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

Sun 18/1

17:59-20:26

Nonstop2h 27m

Las Vegas Harry Reid Intl

Wed 21/1

18:48-21:40

Nonstop2h 52m

$149

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 25/1

19:28-22:00

Nonstop2h 32m

Las Vegas Harry Reid Intl

Wed 28/1

17:42-20:35

Nonstop2h 53m

$149

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 3/3

21:25-23:51

Nonstop2h 26m

Las Vegas Harry Reid Intl

Thu 5/3

06:00-08:38

Nonstop2h 38m

$149

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 28/1

06:05-12:00

1 stop5h 55m

Las Vegas Harry Reid Intl

Thu 29/1

19:50-22:35

Nonstop2h 45m

$165

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 16/12

15:45-18:16

Nonstop2h 31m

Las Vegas Harry Reid Intl

Wed 17/12

11:05-14:04

Nonstop2h 59m

$180

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 11/12

21:23-23:55

Nonstop2h 32m

Las Vegas Harry Reid Intl

Thu 18/12

06:00-08:54

Nonstop2h 54m

$180

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 17/12

07:20-09:59

Nonstop2h 39m

Las Vegas Harry Reid Intl

Fri 19/12

14:10-16:54

Nonstop2h 44m

$180

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 5/2

15:15-17:41

Nonstop2h 26m

Las Vegas Harry Reid Intl

Sun 8/2

06:00-08:49

Nonstop2h 49m

$180

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 16/12

09:59-12:35

Nonstop2h 36m

Las Vegas Harry Reid Intl

Thu 18/12

14:08-17:00

Nonstop2h 52m

$180

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 29/12

15:30-17:59

Nonstop2h 29m

Las Vegas Harry Reid Intl

Sat 3/1

11:15-14:14

Nonstop2h 59m

$180

Flights are sorted by cheapest return flights first.

Deals found on 6/11

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 31 October 2025.

Booking 81 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 $74). Flying from Seattle to Las Vegas in July is currently the most expensive (average of $155). 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 7 November 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 41% on flights from Seattle to Las Vegas by exploring options for tickets in the evening.

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, 52 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, Alaska Airlines, and Hawaiian Airlines fly from Seattle to Las Vegas in about 2h 26m. 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: SkyWest Airlines (100%), KLM (94%), Air France( 93%).

  • 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 $74). Flying from Seattle to Las Vegas in July is currently the most expensive (average of $155). 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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