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Cheap flights from Las Vegas to Seattle from C$ 82

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
29 Nov — 6 Dec1
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 November or February, booked 31 days in advance, depart on a Monday 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 30 October 2025.

Round-trip from

C$ 135

One-way from

C$ 82

Popular in

December

Cheapest in

November

Average price

C$ 208

Good one-way deal

C$ 125 or less
Delta
  • Delta
  • 5/2-9/2
  • Nonstop
  • 5h 27m total
  • Las Vegas to Seattle
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Delta
  • Delta
  • 20/11
  • Nonstop
  • 2h 56m total
  • Las Vegas to Seattle
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High demand for flights, 2% potential price rise
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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 October 2025
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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 30 October 2025.

Wed 26/116:00 a.m.LAS - SEA
Nonstop2h 51mAlaska Airlines
Sun 30/113:12 p.m.SEA - LAS
Nonstop2h 29mAlaska Airlines
Deal found 29/10C$ 163
Tue 16/1211:05 a.m.LAS - SEA
Nonstop2h 59mDelta
Wed 31/127:36 a.m.SEA - LAS
Nonstop2h 38mDelta
Deal found 29/10C$ 177
Wed 26/116:30 a.m.LAS - SEA
Nonstop2h 50mSouthwest
Wed 3/129:25 a.m.SEA - LAS
2 stops6h 45mSouthwest
Deal found 29/10C$ 184
Sat 22/116:55 p.m.LAS - SEA
1 stop6h 05mSouthwest
Mon 24/115:35 a.m.SEA - LAS
1 stop6h 00mSouthwest
Deal found 29/10C$ 190
Mon 15/123:50 p.m.LAS - SEA
Nonstop2h 50mDelta
Fri 19/129:59 a.m.SEA - LAS
Nonstop2h 36mDelta
Deal found 30/10C$ 191
Thu 27/1111:54 a.m.LAS - SEA
Nonstop2h 56mAlaska Airlines
Mon 8/1212:30 p.m.SEA - LAS
1 stop6h 43mAlaska Airlines
Deal found 29/10C$ 205
Thu 18/122:08 p.m.LAS - SEA
Nonstop2h 52mDelta
Fri 19/123:55 p.m.SEA - LAS
Nonstop2h 29mDelta
Deal found 29/10C$ 219
Sat 6/126:00 a.m.LAS - SEA
Nonstop2h 52mAlaska Airlines
Sat 6/127:21 p.m.SEA - LAS
1 stop24h 04mAlaska Airlines
Deal found 29/10C$ 223
Wed 12/1111:48 a.m.LAS - SEA
Nonstop2h 56mAlaska Airlines
Wed 19/118:37 a.m.SEA - LAS
Nonstop2h 41mAlaska Airlines
Deal found 28/10C$ 233
Tue 18/119:05 a.m.LAS - SEA
Nonstop2h 50mSouthwest
Wed 19/119:25 a.m.SEA - LAS
2 stops6h 45mSouthwest
Deal found 28/10C$ 235
Sun 14/126:45 a.m.LAS - SEA
1 stop7h 45mSouthwest
Tue 16/125:05 p.m.SEA - LAS
1 stop4h 50mSouthwest
Deal found 29/10C$ 240

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 30 October 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

Sat 28/2

7:50 a.m.-10:28 a.m.

Nonstop2h 38m

Seattle/Tacoma Intl

Tue 3/3

7:50 p.m.-10:20 p.m.

Nonstop2h 30m

C$ 149

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 5/2

4:35 p.m.-10:50 p.m.

1 stop6h 15m

Seattle/Tacoma Intl

Mon 9/2

6:05 a.m.-10:55 a.m.

1 stop4h 50m

C$ 162

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 27/11

11:05 a.m.-2:01 p.m.

Nonstop2h 56m

Seattle/Tacoma Intl

Mon 8/12

9:59 a.m.-12:35 p.m.

Nonstop2h 36m

C$ 163

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 26/11

2:01 p.m.-4:51 p.m.

Nonstop2h 50m

Seattle/Tacoma Intl

Tue 2/12

3:45 p.m.-6:17 p.m.

Nonstop2h 32m

C$ 163

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 24/1

9:05 a.m.-11:55 a.m.

Nonstop2h 50m

Seattle/Tacoma Intl

Mon 26/1

12:45 p.m.-7:00 p.m.

1 stop6h 15m

C$ 163

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 16/12

11:05 a.m.-2:04 p.m.

Nonstop2h 59m

Seattle/Tacoma Intl

Wed 31/12

7:36 a.m.-10:14 a.m.

Nonstop2h 38m

C$ 177

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 21/11

4:50 p.m.-7:40 p.m.

Nonstop2h 50m

Seattle/Tacoma Intl

Mon 24/11

5:35 a.m.-11:35 a.m.

1 stop6h 00m

C$ 177

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 12/12

9:40 p.m.-12:30 a.m.

Nonstop2h 50m

Seattle/Tacoma Intl

Sun 14/12

5:35 a.m.-1:00 p.m.

2 stops7h 25m

C$ 184

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 22/11

6:55 p.m.-1:00 a.m.

1 stop6h 05m

Seattle/Tacoma Intl

Mon 24/11

5:35 a.m.-11:35 a.m.

1 stop6h 00m

C$ 190

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 24/12

11:11 a.m.-2:10 p.m.

Nonstop2h 59m

Seattle/Tacoma Intl

Sun 28/12

7:36 a.m.-10:14 a.m.

Nonstop2h 38m

C$ 205

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

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 24 October 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 31 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$ 61). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 110). 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 30 October 2025.

It’s typically best to fly out from Las Vegas to Seattle in the evening. Doing so could potentially save you 88% on the flight price compared to flying in the morning, 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 12 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, Hawaiian Airlines, and Delta can get you from Las Vegas to Seattle in just under 2h 38m. Your travel time can differ by up to 1h 52m. 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 Southwest. According to our data, you can fly for as low as C$ 82. Users have also found prices from C$ 82 and C$ 82 on Delta 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: Finnair (100%), KLM (95%), Aeromexico( 93%).

  • 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$ 175, our data indicates the cheapest price to be C$ 109. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 119.

  • 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$ 61). Flying from Las Vegas to Seattle in July is currently the most expensive (average of C$ 110). 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
Tukwila
Tacoma
Mukilteo
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

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Alternative routes for Las Vegas to Seattle

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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.

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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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