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Cheap flights from Seattle to Las Vegas from $83

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl are usually found in February or March, booked 38 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 17 October 2025.

Round-trip from

$165

One-way from

$83

Popular in

December

Cheapest in

February

Average price

$350

Good one-way deal

$62 or less
Delta
  • Delta
  • 9/1-14/1
  • Nonstop
  • 5h 28m total
  • Seattle to Las Vegas
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Southwest
  • Southwest
  • 10/1
  • 1 total stop
  • 4h 40m total
  • Seattle to Las Vegas
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Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average return price).
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Average for round-trip flights in October 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

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 17 October 2025.

Sat 22/1115:12SEA - LAS
Nonstop2h 29mAlaska Airlines
Sat 22/1121:11LAS - SEA
Nonstop2h 48mAlaska Airlines
Deal found 15/10$171
Tue 11/1106:15SEA - LAS
2 stops5h 55mSouthwest
Thu 13/1121:40LAS - SEA
Nonstop2h 50mSouthwest
Deal found 15/10$172
Sun 7/1205:50SEA - LAS
1 stop5h 10mSouthwest
Thu 11/1212:15LAS - SEA
1 stop6h 05mSouthwest
Deal found 15/10$179
Wed 19/1115:45SEA - LAS
Nonstop2h 32mDelta
Sat 22/1114:01LAS - SEA
Nonstop2h 50mDelta
Deal found 17/10$180
Sun 9/1105:35SEA - LAS
2 stops7h 25mSouthwest
Thu 13/1105:50LAS - SEA
1 stop4h 30mSouthwest
Deal found 15/10$188
Wed 19/1108:37SEA - LAS
Nonstop2h 41mAlaska Airlines
Mon 24/1121:11LAS - SEA
Nonstop2h 48mAlaska Airlines
Deal found 16/10$196
Tue 11/1106:15SEA - LAS
2 stops5h 55mSouthwest
Sat 15/1117:30LAS - SEA
Nonstop2h 50mSouthwest
Deal found 17/10$203
Mon 10/1105:50SEA - LAS
1 stop6h 45mSouthwest
Sat 15/1105:50LAS - SEA
1 stop5h 30mSouthwest
Deal found 17/10$209
Wed 5/1110:15SEA - LAS
Nonstop2h 37mDelta
Sat 8/1113:59LAS - SEA
Nonstop2h 51mDelta
Deal found 15/10$211
Sat 22/1118:05SEA - LAS
Nonstop2h 34mDelta
Mon 24/1119:12LAS - SEA
Nonstop2h 57mDelta
Deal found 14/10$212

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 17 October 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

Tue 11/11

09:25-16:10

2 stops6h 45m

Las Vegas Harry Reid Intl

Tue 18/11

19:40-22:30

Nonstop2h 50m

$172

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 9/11

05:35-13:00

2 stops7h 25m

Las Vegas Harry Reid Intl

Thu 13/11

21:40-00:30

Nonstop2h 50m

$172

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 12/1

10:10-17:40

1 stop7h 30m

Las Vegas Harry Reid Intl

Fri 16/1

16:35-22:50

1 stop6h 15m

$179

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 14/12

19:59-22:34

Nonstop2h 35m

Las Vegas Harry Reid Intl

Wed 17/12

14:10-16:54

Nonstop2h 44m

$180

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 10/3

09:45-17:16

1 stop7h 31m

Las Vegas Harry Reid Intl

Wed 11/3

06:00-08:38

Nonstop2h 38m

$196

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 5/1

05:20-09:10

1 stop3h 50m

Las Vegas Harry Reid Intl

Wed 14/1

12:05-14:57

Nonstop2h 52m

$196

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 29/1

05:15-10:15

1 stop5h 00m

Las Vegas Harry Reid Intl

Sun 1/2

20:50-23:40

Nonstop2h 50m

$196

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 5/2

07:00-09:36

Nonstop2h 36m

Las Vegas Harry Reid Intl

Sat 7/2

17:42-20:35

Nonstop2h 53m

$211

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 29/1

18:10-23:28

1 stop5h 18m

Las Vegas Harry Reid Intl

Thu 5/2

12:05-14:57

Nonstop2h 52m

$211

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 7/1

12:41-18:41

1 stop6h 00m

Las Vegas Harry Reid Intl

Sun 11/1

07:00-09:53

Nonstop2h 53m

$226

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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 10 October 2025.

Booking 38 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 $156). 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 17 October 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 Southwest fly from Seattle to Las Vegas in about 6h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from Seattle to Las Vegas is about 1394 km.

  • 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%), Air France (88%), Delta( 84%).

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

    On average you can expect to pay $226 for a flight from Seattle to Las Vegas. The cheapest flight overall is $56 while the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl) is currently priced at $273.

  • 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 $156). 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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