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Cheap flights from Las Vegas to Seattle from C$ 79

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
29 Mar — 5 Apr1
1 adult
1 adult, Economy, 0 bags

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 27 February 2026.

Thu 16/46:00 a.m.
LAS
-
SEA
Nonstop2h 46m
Delta
Sun 19/47:20 a.m.
SEA
-
LAS
Nonstop2h 37m
Delta
Deal found 23/2C$ 133
Tue 5/56:00 a.m.
LAS
-
SEA
Nonstop2h 46m
Delta
Tue 12/57:15 a.m.
SEA
-
LAS
Nonstop2h 37m
Delta
Deal found 23/2C$ 144
Wed 8/48:05 a.m.
LAS
-
SEA
Nonstop2h 50m
Southwest
Wed 15/49:20 a.m.
SEA
-
LAS
1 stop7h 25m
Southwest
Deal found 25/2C$ 146
Thu 23/47:14 p.m.
LAS
-
SEA
Nonstop2h 51m
Delta
Wed 29/43:55 p.m.
SEA
-
LAS
Nonstop2h 33m
Delta
Deal found 23/2C$ 152
Wed 15/48:05 a.m.
LAS
-
SEA
Nonstop2h 50m
Southwest
Wed 22/411:35 a.m.
SEA
-
LAS
2 stops6h 00m
Southwest
Deal found 25/2C$ 153
Wed 29/47:14 p.m.
LAS
-
SEA
Nonstop2h 51m
Delta
Sat 2/56:05 p.m.
SEA
-
LAS
Nonstop2h 34m
Delta
Deal found 23/2C$ 160
Tue 17/36:00 a.m.
LAS
-
SEA
Nonstop2h 46m
Delta
Tue 24/38:20 p.m.
SEA
-
LAS
Nonstop2h 33m
Delta
Deal found 26/2C$ 167
Sat 21/36:00 a.m.
LAS
-
SEA
Nonstop2h 51m
Alaska Airlines
Sat 28/38:10 p.m.
SEA
-
LAS
Nonstop2h 36m
Alaska Airlines
Deal found 25/2C$ 174
Wed 8/712:46 p.m.
LAS
-
SEA
Nonstop2h 53m
Frontier
Thu 16/72:16 p.m.
SEA
-
LAS
Nonstop2h 44m
Frontier
Deal found 26/2C$ 176
Wed 25/311:00 a.m.
LAS
-
SEA
Nonstop2h 50m
Delta
Wed 1/48:20 p.m.
SEA
-
LAS
Nonstop2h 33m
Delta
Deal found 25/2C$ 187
Thu 19/36:00 a.m.
LAS
-
SEA
Nonstop2h 46m
Delta
Mon 23/312:15 p.m.
SEA
-
LAS
Nonstop2h 33m
Delta
Deal found 26/2C$ 189
Thu 12/36:00 a.m.
LAS
-
SEA
Nonstop2h 44m
Delta
Tue 17/37:15 a.m.
SEA
-
LAS
Nonstop2h 33m
Delta
Deal found 24/2C$ 201

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 27 February 2026.

Round-trip from

C$ 133

One-way from

C$ 79

Popular in

June

Cheapest in

October

Average price

C$ 222

Good one-way deal

C$ 115 or less
Delta
  • Delta
  • 16/4-19/4
  • Nonstop
  • 5h 23m total
  • Las Vegas to Seattle
Search Deals
Delta
  • Delta
  • 9/5
  • Nonstop
  • 2h 43m total
  • Las Vegas to Seattle
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 27 February 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

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 22/4

6:00 a.m.-8:46 a.m.

Nonstop2h 46m

Seattle/Tacoma Intl

Sat 25/4

6:05 p.m.-8:39 p.m.

Nonstop2h 34m

C$ 133

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 14/5

7:10 p.m.-10:01 p.m.

Nonstop2h 51m

Seattle/Tacoma Intl

Sat 16/5

6:05 p.m.-8:38 p.m.

Nonstop2h 33m

C$ 133

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 17/3

6:00 a.m.-8:46 a.m.

Nonstop2h 46m

Seattle/Tacoma Intl

Tue 24/3

8:20 p.m.-10:53 p.m.

Nonstop2h 33m

C$ 167

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 29/4

2:39 p.m.-10:53 p.m.

1 stop8h 14m

Seattle/Tacoma Intl

Sun 3/5

9:19 p.m.-11:59 p.m.

Nonstop2h 40m

C$ 201

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 12/3

6:00 a.m.-8:44 a.m.

Nonstop2h 44m

Seattle/Tacoma Intl

Tue 17/3

7:15 a.m.-9:48 a.m.

Nonstop2h 33m

C$ 201

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 14/4

9:10 p.m.-11:55 p.m.

Nonstop2h 45m

Seattle/Tacoma Intl

Thu 16/4

11:40 a.m.-6:55 p.m.

2 stops7h 15m

C$ 249

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 27/3

8:20 p.m.-1:40 a.m.

1 stop5h 20m

Seattle/Tacoma Intl

Tue 31/3

9:25 a.m.-3:25 p.m.

2 stops6h 00m

C$ 304

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 12/3

10:40 p.m.-1:25 a.m.

Nonstop2h 45m

Seattle/Tacoma Intl

Mon 16/3

6:30 a.m.-1:35 p.m.

2 stops7h 05m

C$ 338

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 28/3

1:40 p.m.-10:40 p.m.

2 stops9h 00m

Seattle/Tacoma Intl

Tue 31/3

11:00 a.m.-1:30 p.m.

Nonstop2h 30m

C$ 347

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 27/5

9:57 a.m.-12:50 p.m.

Nonstop2h 53m

Seattle/Tacoma Intl

Sun 7/6

8:26 a.m.-3:37 p.m.

1 stop7h 11m

C$ 352

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/2

Showing 1-10 of 24 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?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Seattle. Price data was last updated on 20 February 2026.

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 89 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, June is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 71). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 108). 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 27 February 2026.

It’s typically best to fly out from Las Vegas to Seattle in the afternoon. Doing so could potentially save you 78% on the flight price compared to flying in the evening, which is usually more expensive.

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 5 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 44m. Your travel time will be generally consistent. There are 1394 km between Las Vegas and Seattle. All flights are typically direct.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as C$ 43. Users have also found prices from C$ 60 and C$ 93 on Frontier and Alaska Airlines, respectively.

  • 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: Air France (100%), WestJet (97%), Korean Air( 96%).

  • 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$ 152, our data indicates the cheapest price to be C$ 94. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 250.

  • 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, June is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 71). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 108). 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
Leavenworth
Mukilteo
Tacoma
Kent
Bothell
Cashmere
Tukwila
Olympia
Renton
Marysville
Lynnwood
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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