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Cheap flights from Las Vegas to Seattle from C$ 80

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
8 Jul — 15 Jul1
1 adult

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl are usually found in October or September, booked 74 days in advance, depart on a Sunday or Wednesday and return on a Sunday

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 3 July 2025.

Round-trip from

C$ 206

One-way from

C$ 80

Popular in

June

Cheapest in

October

Average price

C$ 241

Good one-way deal

C$ 345 or less
Alaska Airlines
  • Alaska Airlines
  • 19/8-19/8
  • Nonstop
  • 5h 18m total
  • Las Vegas to Seattle
Spirit Airlines
  • Spirit Airlines
  • 5/8
  • Nonstop
  • 2h 45m total
  • Las Vegas to Seattle
Highest demand for flights based on searches. 17% potential increase in price (C$ 56 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 8 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl.

Find flight deals from Las Vegas to Seattle

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 3 July 2025.

Tue 19/88:00 a.m.LAS - SEA
Nonstop2h 40mAlaska Airlines
Tue 19/82:36 p.m.SEA - LAS
1 stop4h 10mAlaska Airlines
Deal found 2/7C$ 206
Tue 19/83:40 p.m.LAS - SEA
Nonstop2h 43mDelta
Sun 24/810:05 a.m.SEA - LAS
Nonstop2h 44mDelta
Deal found 2/7C$ 214
Fri 15/89:35 p.m.LAS - SEA
Nonstop2h 40mSouthwest
Tue 19/88:00 a.m.SEA - LAS
2 stops7h 30mSouthwest
Deal found 2/7C$ 234
Tue 5/88:00 a.m.LAS - SEA
1 stop5h 25mUnited Airlines
Thu 14/85:14 p.m.SEA - LAS
1 stop6h 43mUnited Airlines
Deal found 30/6C$ 274

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 3 July 2025.
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

Tue 19/8

10:14 a.m.-12:58 p.m.

Nonstop2h 44m

Seattle/Tacoma Intl

Tue 19/8

3:42 p.m.-6:16 p.m.

Nonstop2h 34m

C$ 206

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 19/8

3:40 p.m.-6:23 p.m.

Nonstop2h 43m

Seattle/Tacoma Intl

Sun 24/8

10:05 a.m.-12:49 p.m.

Nonstop2h 44m

C$ 214

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 15/8

9:35 p.m.-12:15 a.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Tue 19/8

8:00 a.m.-3:30 p.m.

2 stops7h 30m

C$ 234

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 5/8

8:00 a.m.-1:25 p.m.

1 stop5h 25m

Seattle/Tacoma Intl

Thu 14/8

5:14 p.m.-11:57 p.m.

1 stop6h 43m

C$ 274

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 5/8

1:40 p.m.-4:25 p.m.

Nonstop2h 45m

C$ 80

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 2/9

10:20 a.m.-1:09 p.m.

Nonstop2h 49m

C$ 108

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 24/7

3:35 p.m.-6:18 p.m.

Nonstop2h 43m

C$ 113

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 1/10

4:45 p.m.-12:05 a.m.

1 stop7h 20m

C$ 120

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 6/12

6:00 a.m.-12:18 p.m.

1 stop6h 18m

C$ 131

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sun 26/10

6:00 a.m.-8:50 a.m.

Nonstop2h 50m

C$ 135

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 11 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 27 June 2025.

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 74 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, January is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 262). Flying from Las Vegas to Seattle in December is currently the most expensive (average of C$ 353). 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 3 July 2025.

It’s typically best to fly out from Las Vegas to Seattle at noon. Doing so could potentially save you 9% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Las Vegas to Seattle

Explore weekly flight availability from Las Vegas to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 July 2025.

The most flights from LAS to SEA are scheduled on a Thursday (70 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (22 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 3 July 2025.
Read through reviews of airlines operating flights from Las Vegas to Seattle, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

  • What are the cheapest airlines flying from Las Vegas to Seattle round-trip?

    Our cheapest airline available from Las Vegas to Seattle is Alaska Airlines. Our recent data shows that you can find tickets from as low as C$ 206 on this airline. Additional options worth looking into are Delta and Southwest, starting at C$ 214 and C$ 234 round-trip.

  • 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$ 80. Users have also found prices from C$ 108 and C$ 113 on Hawaiian Airlines and Delta, 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: Horizon Air (100%), KLM (94%), Aeromexico( 92%).

  • 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$ 468, our data indicates the cheapest price to be C$ 228. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 341.

  • 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, January is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of C$ 262). Flying from Las Vegas to Seattle in December is currently the most expensive (average of C$ 353). 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
Leavenworth
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Renton
Olympia
Lynnwood

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Alternative routes for Las Vegas to Seattle

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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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