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Cheap flights from Seattle to Las Vegas from £74

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
29 Jul — 5 Aug1
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 January or September, booked 88 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 29 June 2026.

Tue 11/813:00
SEA
-
LAS
Nonstop2h 35m
Alaska Airlines
Tue 11/818:49
LAS
-
SEA
Nonstop2h 45m
Alaska Airlines
Deal found 28/6£144
Sat 1/807:25
SEA
-
LAS
Nonstop2h 36m
Delta
Mon 3/806:10
LAS
-
SEA
Nonstop2h 35m
Delta
Deal found 29/6£148
Mon 28/907:16
SEA
-
LAS
Nonstop2h 37m
Delta
Fri 9/1010:59
LAS
-
SEA
Nonstop2h 56m
Delta
Deal found 26/6£156
Wed 26/817:20
SEA
-
LAS
1 stop5h 35m
United Airlines
Sat 29/810:44
LAS
-
SEA
1 stop4h 45m
United Airlines
Deal found 29/6£159
Wed 2/908:00
SEA
-
LAS
Nonstop2h 47m
Alaska Airlines
Wed 2/913:40
LAS
-
SEA
Nonstop2h 48m
Alaska Airlines
Deal found 25/6£161
Thu 13/818:52
SEA
-
LAS
1 stop5h 02m
United Airlines
Mon 17/816:35
LAS
-
SEA
1 stop5h 16m
United Airlines
Deal found 29/6£163
Wed 19/806:25
SEA
-
LAS
Nonstop2h 30m
Southwest
Sat 22/820:15
LAS
-
SEA
Nonstop2h 40m
Southwest
Deal found 27/6£164
Wed 9/909:45
SEA
-
LAS
Nonstop2h 40m
Delta
Wed 9/918:10
LAS
-
SEA
Nonstop2h 44m
Delta
Deal found 25/6£164
Tue 18/813:16
SEA
-
LAS
1 stop5h 27m
United Airlines
Tue 25/814:17
LAS
-
SEA
2 stops6h 26m
United Airlines
Deal found 28/6£167
Fri 28/815:54
SEA
-
LAS
1 stop6h 05m
United Airlines
Tue 1/911:16
LAS
-
SEA
1 stop4h 58m
United Airlines
Deal found 29/6£171
Thu 27/820:30
SEA
-
LAS
Nonstop2h 36m
Delta
Wed 2/906:10
LAS
-
SEA
Nonstop2h 35m
Delta
Deal found 25/6£172

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 29 June 2026.

Round-trip from

£144

One-way from

£74

Popular in

May

Cheapest in

January

Average price

£197

Good round-trip deal

£316 or less

Good one-way deal

£107 or less
Alaska Airlines
  • Alaska Airlines
  • 11/8-11/8
  • Nonstop
  • 5h 20m total
  • Seattle to Las Vegas
Search Deals
Delta
  • Delta
  • 3/9
  • Nonstop
  • 2h 36m total
  • Seattle to Las Vegas
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 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 858,174 searches. Data last updated 29 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 2/9

08:00-10:47

Nonstop2h 47m

Las Vegas Harry Reid Intl

Mon 7/9

10:30-13:17

Nonstop2h 47m

£172

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 9/10

18:43-23:57

1 stop5h 14m

Las Vegas Harry Reid Intl

Mon 12/10

16:21-21:59

1 stop5h 38m

£198

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 8/10

05:45-12:15

1 stop6h 30m

Las Vegas Harry Reid Intl

Tue 13/10

15:40-21:40

2 stops6h 00m

£211

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 17/11

05:20-12:15

2 stops6h 55m

Las Vegas Harry Reid Intl

Thu 19/11

06:35-12:05

1 stop5h 30m

£213

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 19/8

15:35-19:45

1 stop4h 10m

Las Vegas Harry Reid Intl

Sat 22/8

07:40-14:25

2 stops6h 45m

£220

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 15/8

05:00-10:55

1 stop5h 55m

Las Vegas Harry Reid Intl

Sat 22/8

07:40-14:25

2 stops6h 45m

£223

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 31/8

05:30-11:25

2 stops5h 55m

Las Vegas Harry Reid Intl

Wed 2/9

15:00-21:15

1 stop6h 15m

£223

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 27/7

21:46-08:27

1 stop10h 41m

Las Vegas Harry Reid Intl

Sat 1/8

06:10-08:45

Nonstop2h 35m

£230

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 24/8

05:30-11:25

2 stops5h 55m

Las Vegas Harry Reid Intl

Thu 27/8

16:50-21:15

1 stop4h 25m

£239

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 24/9

05:30-11:25

2 stops5h 55m

Las Vegas Harry Reid Intl

Mon 28/9

07:30-11:50

1 stop4h 20m

£239

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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?

The best time to book flights from Seattle to Las Vegas is 72 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, January is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of £132). Flying from Seattle to Las Vegas in May is currently the most expensive (average of £226). 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 29 June 2026.

It’s typically best to fly out from Seattle to Las Vegas in the evening. Doing so could potentially save you 80% on the flight price compared to flying at midday, which is usually more expensive.

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

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 29 June 2026.
Check out reviews from past customers who have flown with Alaska Airlines from Seattle to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,593 reviews
Check prices

Entertainment

7.0

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,593 reviews
Alaska Airlines
7.9
Good
12,593 reviews
Check prices

Entertainment

7.0

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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 2 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 Alaska Airlines, Delta, or United Airlines to get the fastest option. Seattle and Las Vegas are separated by a distance of 866 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle to Las Vegas one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as £47. Users have also found prices from £52 and £82 on Delta and Alaska Airlines, respectively.

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

    Consider KLM (94%), Scandinavian Airlines (93%) or Aeromexico (92%) 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 £219, our data shows the cheapest flight currently is £76. When looking at the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl), you can expect to pay £167 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, January is the cheapest month in which you can book a flight from Seattle to Las Vegas (average of £132). Flying from Seattle to Las Vegas in May is currently the most expensive (average of £226). 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

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Alternative routes for Seattle to Las Vegas

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Portland to Las Vegas flights

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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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