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Cheap flights from Las Vegas to Seattle from C$ 54

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
5 Feb — 12 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 6 January 2026.

Round-trip from

C$ 106

One-way from

C$ 54

Popular in

June

Cheapest in

January

Average price

C$ 161

Good one-way deal

C$ 152 or less
Alaska Airlines
  • Alaska Airlines
  • 4/2-7/2
  • Nonstop
  • 5h 25m total
  • Las Vegas to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 4/2
  • Nonstop
  • 2h 52m total
  • Las Vegas to Seattle
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Highest demand for flights based on searches. 10% potential increase in price (C$ 36 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 5 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl.
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Find 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 6 January 2026.

Wed 4/25:42 p.m.LAS - SEA
Nonstop2h 53mAlaska Airlines
Sat 7/26:28 p.m.SEA - LAS
Nonstop2h 32mAlaska Airlines
Deal found 6/1C$ 106
Wed 25/25:25 p.m.LAS - SEA
1 stop4h 25mSouthwest
Wed 11/37:00 a.m.SEA - LAS
Nonstop2h 25mSouthwest
Deal found 6/1C$ 120
Tue 27/11:43 p.m.LAS - SEA
Nonstop2h 53mAlaska Airlines
Tue 3/210:53 a.m.SEA - LAS
Nonstop2h 31mAlaska Airlines
Deal found 6/1C$ 125
Fri 30/18:50 a.m.LAS - SEA
1 stop7h 31mAlaska Airlines
Sun 1/27:00 a.m.SEA - LAS
Nonstop2h 36mAlaska Airlines
Deal found 6/1C$ 129
Wed 29/47:00 a.m.LAS - SEA
Nonstop2h 51mAlaska Airlines
Sat 2/55:17 p.m.SEA - LAS
Nonstop2h 43mAlaska Airlines
Deal found 6/1C$ 135
Tue 27/19:30 a.m.LAS - SEA
Nonstop2h 50mSouthwest
Wed 28/11:20 p.m.SEA - LAS
1 stop7h 25mSouthwest
Deal found 6/1C$ 139
Fri 6/28:50 p.m.LAS - SEA
Nonstop2h 50mSouthwest
Mon 9/25:15 a.m.SEA - LAS
1 stop5h 30mSouthwest
Deal found 4/1C$ 143
Mon 2/26:05 a.m.LAS - SEA
Nonstop2h 50mDelta
Mon 9/23:15 p.m.SEA - LAS
Nonstop2h 26mDelta
Deal found 4/1C$ 147
Thu 29/18:00 a.m.LAS - SEA
Nonstop2h 53mAlaska Airlines
Fri 30/16:10 p.m.SEA - LAS
1 stop5h 18mAlaska Airlines
Deal found 6/1C$ 149

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 6 January 2026.
Use the filters below to find and compare flights from Las Vegas to Seattle that are best for you.

Fly from

Las Vegas

Fly to

Seattle

Route

Depart

Return

Price

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 29/4

7:00 a.m.-9:51 a.m.

Nonstop2h 51m

Seattle/Tacoma Intl

Sat 2/5

5:17 p.m.-8:00 p.m.

Nonstop2h 43m

C$ 135

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 29/4

8:00 a.m.-10:53 a.m.

Nonstop2h 53m

Seattle/Tacoma Intl

Sun 3/5

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

Nonstop2h 40m

C$ 135

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 20/2

6:00 a.m.-8:51 a.m.

Nonstop2h 51m

Seattle/Tacoma Intl

Sun 22/2

12:56 p.m.-6:18 p.m.

1 stop5h 22m

C$ 139

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 12/3

9:16 p.m.-7:04 a.m.

1 stop9h 48m

Seattle/Tacoma Intl

Tue 17/3

8:20 p.m.-10:56 p.m.

Nonstop2h 36m

C$ 139

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 29/1

8:50 a.m.-4:21 p.m.

1 stop7h 31m

Seattle/Tacoma Intl

Mon 2/2

7:00 a.m.-9:36 a.m.

Nonstop2h 36m

C$ 139

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 6/3

7:55 a.m.-2:00 p.m.

1 stop6h 05m

Seattle/Tacoma Intl

Mon 9/3

6:15 a.m.-8:45 a.m.

Nonstop2h 30m

C$ 143

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 28/1

12:05 p.m.-2:57 p.m.

Nonstop2h 52m

Seattle/Tacoma Intl

Wed 4/2

4:43 p.m.-7:13 p.m.

Nonstop2h 30m

C$ 147

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 5/3

6:00 a.m.-8:51 a.m.

Nonstop2h 51m

Seattle/Tacoma Intl

Sat 7/3

9:22 p.m.-11:55 p.m.

Nonstop2h 33m

C$ 147

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 29/1

8:00 a.m.-10:53 a.m.

Nonstop2h 53m

Seattle/Tacoma Intl

Fri 30/1

6:10 p.m.-11:28 p.m.

1 stop5h 18m

C$ 149

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 27/1

8:55 a.m.-5:50 p.m.

1 stop8h 55m

Seattle/Tacoma Intl

Wed 28/1

11:20 a.m.-5:20 p.m.

1 stop6h 00m

C$ 153

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 23 results
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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 2 January 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, March is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 48). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 109). 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 6 January 2026.

It’s typically best to fly out from Las Vegas to Seattle in the afternoon. Doing so could potentially save you 52% on the flight price compared to flying in the morning, which is usually more expensive.

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

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 8 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?

    Alaska Airlines and Southwest can get you from Las Vegas to Seattle in just under 2h 53m. Your travel time can differ by up to 1h 32m. There are 1394 km between Las Vegas and Seattle. This flight may include one or multiple stops.

  • 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$ 44. Users have also found prices from C$ 60 and C$ 94 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 (99%), Virgin Atlantic (91%), Aeromexico( 90%).

  • 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$ 166, our data indicates the cheapest price to be C$ 137. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 626.

  • 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, March is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 48). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 109). 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
Leavenworth
SeaTac
Mukilteo
Tacoma
Kent
Tukwila
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood
Kirkland

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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

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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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