Find flights
Deals
When to book
FAQs

Cheap flights from Seattle to Las Vegas from £63

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAS
12 Aug — 19 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 13 July 2026.

Tue 18/813:00
SEA
-
LAS
Nonstop2h 35m
Alaska Airlines
Tue 18/818:49
LAS
-
SEA
Nonstop2h 45m
Alaska Airlines
Deal found 9/7£113
Thu 27/807:15
SEA
-
LAS
Nonstop2h 36m
Delta
Wed 2/914:19
LAS
-
SEA
Nonstop2h 41m
Delta
Deal found 8/7£117
Sat 15/811:31
SEA
-
LAS
Nonstop2h 45m
Alaska Airlines
Mon 17/818:49
LAS
-
SEA
Nonstop2h 45m
Alaska Airlines
Deal found 9/7£118
Fri 21/815:25
SEA
-
LAS
1 stop3h 55m
Southwest
Sun 23/822:10
LAS
-
SEA
Nonstop2h 40m
Southwest
Deal found 9/7£122
Thu 13/815:25
SEA
-
LAS
1 stop4h 45m
Southwest
Sat 15/820:15
LAS
-
SEA
Nonstop2h 40m
Southwest
Deal found 8/7£125
Wed 16/909:10
SEA
-
LAS
Nonstop2h 31m
Delta
Mon 21/913:00
LAS
-
SEA
Nonstop2h 46m
Delta
Deal found 8/7£129
Wed 26/806:25
SEA
-
LAS
Nonstop2h 30m
Southwest
Sat 29/813:05
LAS
-
SEA
Nonstop2h 50m
Southwest
Deal found 8/7£130
Sat 15/811:35
SEA
-
LAS
1 stop5h 20m
Southwest
Tue 25/815:35
LAS
-
SEA
1 stop5h 25m
Southwest
Deal found 9/7£132
Thu 10/915:25
SEA
-
LAS
1 stop3h 55m
Southwest
Tue 15/912:40
LAS
-
SEA
2 stops6h 30m
Southwest
Deal found 10/7£133
Thu 6/820:30
SEA
-
LAS
Nonstop2h 36m
Delta
Sat 15/806:10
LAS
-
SEA
Nonstop2h 35m
Delta
Deal found 9/7£134
Thu 27/805:30
SEA
-
LAS
2 stops5h 55m
Southwest
Mon 31/807:15
LAS
-
SEA
1 stop6h 10m
Southwest
Deal found 9/7£136

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 13 July 2026.

Round-trip from

£113

One-way from

£63

Popular in

May

Cheapest in

January

Average price

£192

Good one-way deal

£106 or less
Alaska Airlines
  • Alaska Airlines
  • 18/8-18/8
  • Nonstop
  • 5h 20m total
  • Seattle to Las Vegas
Search Deals
Southwest
  • Southwest
  • 21/8
  • 1 total stop
  • 3h 55m 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 July 2026
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 13 July 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
Fastest return journey

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 10/9

07:00-09:30

Nonstop2h 30m

Las Vegas Harry Reid Intl

Sun 13/9

22:10-00:50

Nonstop2h 40m

£117

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 6/8

19:25-22:00

Nonstop2h 35m

Las Vegas Harry Reid Intl

Mon 10/8

21:40-00:20

Nonstop2h 40m

£117

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 13/8

05:30-11:25

2 stops5h 55m

Las Vegas Harry Reid Intl

Sun 16/8

22:10-00:50

Nonstop2h 40m

£128

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 15/8

11:35-16:55

1 stop5h 20m

Las Vegas Harry Reid Intl

Tue 25/8

15:35-21:00

1 stop5h 25m

£132

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 17/9

19:25-22:00

Nonstop2h 35m

Las Vegas Harry Reid Intl

Tue 22/9

12:40-19:10

2 stops6h 30m

£141

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 18/9

20:14-22:50

Nonstop2h 36m

Las Vegas Harry Reid Intl

Tue 22/9

13:00-15:46

Nonstop2h 46m

£147

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 12/11

05:00-10:55

2 stops5h 55m

Las Vegas Harry Reid Intl

Tue 17/11

09:45-17:45

1 stop8h 00m

£160

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 15/8

11:35-20:10

2 stops8h 35m

Las Vegas Harry Reid Intl

Mon 17/8

21:40-00:20

Nonstop2h 40m

£173
Cheapest one-way

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 6/9

09:35-16:45

1 stop7h 10m

£66

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 22/9

15:35-21:35

1 stop6h 00m

£66

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 88 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 £130). Flying from Seattle to Las Vegas in May is currently the most expensive (average of £223). 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 13 July 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?

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 30m. Fly via Southwest to get the fastest option. Seattle and Las Vegas are separated by a distance of 866 mi. All flights are typically direct.

  • 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 £51 and £81 on Delta and Alaska Airlines, respectively.

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

    Consider Aeromexico (95%), KLM (91%) or Scandinavian Airlines (89%) 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 £108, our data shows the cheapest flight currently is £75. When looking at the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl), you can expect to pay £80 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 £130). Flying from Seattle to Las Vegas in May is currently the most expensive (average of £223). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Las Vegas flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Las Vegas?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Las Vegas from Seattle today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Seattle.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.