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Cheap flights from Las Vegas to Seattle from C$ 118

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl are usually found in February or January, booked 22 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Las Vegas to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Las Vegas to Seattle
Explore the most affordable flight options available from Las Vegas to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 July 2026.

Sat 7/118:25 a.m.
LAS
-
SEA
2 stops9h 29m
Alaska Airlines
Sat 7/118:00 p.m.
SEA
-
LAS
Nonstop2h 35m
Alaska Airlines
Deal found 23/7C$ 170
Tue 15/910:59 a.m.
LAS
-
SEA
Nonstop2h 52m
Delta
Sat 19/93:55 p.m.
SEA
-
LAS
Nonstop2h 32m
Delta
Deal found 20/7C$ 221
Wed 23/97:45 a.m.
LAS
-
SEA
Nonstop2h 45m
Southwest
Wed 30/912:40 p.m.
SEA
-
LAS
Nonstop2h 45m
Southwest
Deal found 24/7C$ 235
Tue 15/912:40 p.m.
LAS
-
SEA
2 stops6h 30m
Southwest
Sat 19/95:30 a.m.
SEA
-
LAS
Nonstop2h 30m
Southwest
Deal found 20/7C$ 242
Wed 2/99:45 a.m.
LAS
-
SEA
1 stop5h 25m
Southwest
Sat 5/94:35 p.m.
SEA
-
LAS
1 stop4h 30m
Southwest
Deal found 20/7C$ 249
Sat 12/92:20 p.m.
LAS
-
SEA
2 stops7h 10m
Southwest
Sat 19/95:30 a.m.
SEA
-
LAS
Nonstop2h 30m
Southwest
Deal found 23/7C$ 256
Sat 12/91:05 p.m.
LAS
-
SEA
Nonstop2h 50m
Southwest
Mon 14/97:25 p.m.
SEA
-
LAS
Nonstop2h 35m
Southwest
Deal found 21/7C$ 261
Wed 28/108:10 a.m.
LAS
-
SEA
2 stops6h 45m
Southwest
Wed 11/115:45 a.m.
SEA
-
LAS
1 stop4h 45m
Southwest
Deal found 23/7C$ 265
Sat 12/92:17 p.m.
LAS
-
SEA
Nonstop2h 43m
Delta
Mon 14/98:05 p.m.
SEA
-
LAS
Nonstop2h 36m
Delta
Deal found 23/7C$ 269

Find flight deals from Las Vegas to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Seattle (SEA). 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 25 July 2026.

Round-trip from

C$ 170

One-way from

C$ 118

Popular in

July

Cheapest in

February

Average price

C$ 344

Good one-way deal

C$ 193 or less
Alaska Airlines
  • Alaska Airlines
  • 7/11-7/11
  • 2 total stops
  • 12h 04m total
  • Las Vegas to Seattle
Search Deals
Southwest
  • Southwest
  • 19/9
  • Nonstop
  • 2h 40m total
  • Las Vegas to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Seattle 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 629,999 searches. Data last updated 25 July 2026.
Use the filters below to find and compare flights from Las Vegas to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 10/9

9:40 p.m.-12:20 a.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Mon 14/9

5:30 a.m.-11:25 a.m.

2 stops5h 55m

C$ 285

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 15/9

12:40 p.m.-7:10 p.m.

2 stops6h 30m

Seattle/Tacoma Intl

Thu 17/9

7:25 p.m.-10:00 p.m.

Nonstop2h 35m

C$ 289

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 5/9

8:15 p.m.-10:55 p.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Thu 10/9

5:30 a.m.-11:25 a.m.

2 stops5h 55m

C$ 289
Quickest round-trip

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 14/8

1:25 p.m.-4:09 p.m.

Nonstop2h 44m

Seattle/Tacoma Intl

Sat 22/8

7:15 a.m.-9:51 a.m.

Nonstop2h 36m

C$ 292

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 5/11

7:25 a.m.-1:00 p.m.

1 stop5h 35m

Seattle/Tacoma Intl

Wed 11/11

11:05 a.m.-6:00 p.m.

2 stops6h 55m

C$ 303

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 28/8

4:35 p.m.-9:41 p.m.

1 stop5h 06m

Seattle/Tacoma Intl

Thu 3/9

6:52 p.m.-11:54 p.m.

1 stop5h 02m

C$ 317

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 28/8

9:40 p.m.-12:20 a.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Thu 3/9

6:15 p.m.-10:30 p.m.

1 stop4h 15m

C$ 320

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 26/8

8:45 p.m.-11:25 p.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Sat 29/8

11:35 a.m.-8:10 p.m.

2 stops8h 35m

C$ 321

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 23/9

12:40 p.m.-7:10 p.m.

2 stops6h 30m

Seattle/Tacoma Intl

Sun 27/9

6:35 a.m.-9:05 a.m.

Nonstop2h 30m

C$ 324

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 22/8

3:07 p.m.-8:43 p.m.

1 stop5h 36m

Seattle/Tacoma Intl

Sat 29/8

1:16 p.m.-8:04 p.m.

2 stops6h 48m

C$ 335

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/7

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Las Vegas to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Las Vegas with our price prediction graph.
Estimated round-trip 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 Las Vegas to Seattle

How far ahead should I book a flight from Las Vegas to Seattle?

The price you pay for your flight from Las Vegas to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 21 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Las Vegas to Seattle?

Currently, February is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 173). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 344). 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 LAS to SEA?

Find hourly flight availability from Las Vegas to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 July 2026.

It’s typically best to fly out from Las Vegas to Seattle in the afternoon. Doing so could potentially save you 95% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Las Vegas to Seattle?

Airfare is below average for this route at the moment.

Las Vegas to Seattle flights typically cost between C$ 239 and C$ 411 in November.
The cheapest round-trip price found within the last 5 days was C$ 170 on Alaska Airlines (7 Nov-7 Nov).

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Seattle. 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 Las Vegas to Seattle flight route?

    The Las Vegas Harry Reid Intl to Seattle/Tacoma Intl flight path was viewed by 7 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 Las Vegas to Seattle?

    Southwest and Delta can get you from Las Vegas to Seattle in just under 2h 40m. Your travel time will be generally consistent. There are 1394 km between Las Vegas and Seattle. All flights are typically direct.

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

    Before booking your flight to Seattle from Las Vegas, check out the most reliable airlines to get you to your destination on time: Scandinavian Airlines (95%), Frontier (89%), Volaris( 89%).

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

    Looking for the cheapest flight from Las Vegas to Seattle? While on average our users pay C$ 282, our data indicates the cheapest price to be C$ 167. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 825.

  • Can I find deals for flights from Las Vegas to Seattle that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Seattle.

  • Can I find deals for business class flights from Las Vegas to Seattle?

    Yes. Cheapflights offers flight deals from Las Vegas to Seattle 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 Las Vegas to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 173). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 344). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Kent
Leavenworth
Mukilteo
Tacoma
Renton
Cashmere
Lynnwood
Ellensburg
Tukwila
Olympia
Marysville
Federal Way
Kirkland

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Las Vegas to Seattle

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

Fly with Cheapflights

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

Cheapflights makes it easy to find Las Vegas to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Las Vegas to Seattle.

Can Cheapflights find flights from Las Vegas to Seattle with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Las Vegas to Seattle, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Las Vegas to Seattle become cheaper?

Of course! You can now track prices for flights from Las Vegas to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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