Find flights
Deals
When to book
FAQs

Cheap flights from Las Vegas to Seattle from C$ 94

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 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl are usually found in October or November, booked 42 days in advance, depart on a Saturday or Tuesday 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 17 September 2025.

Round-trip from

C$ 161

One-way from

C$ 94

Popular in

December

Cheapest in

October

Average price

C$ 205

Good one-way deal

C$ 276 or less
Delta
  • Delta
  • 18/11-7/12
  • Nonstop
  • 5h 35m total
  • Las Vegas to Seattle
Search Deals
Southwest
  • Southwest
  • 4/12
  • 1 total stop
  • 7h 00m total
  • Las Vegas to Seattle
Search Deals
High demand for flights, 2% potential price rise
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 September 2025
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl.
Search Deals

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 17 September 2025.

Tue 18/1111:02 a.m.LAS - SEA
Nonstop2h 56mDelta
Sun 7/1210:15 a.m.SEA - LAS
Nonstop2h 39mDelta
Deal found 16/9C$ 161
Fri 7/119:40 p.m.LAS - SEA
Nonstop2h 50mSouthwest
Sun 9/115:35 a.m.SEA - LAS
1 stop6h 00mSouthwest
Deal found 16/9C$ 175
Wed 15/1010:11 a.m.LAS - SEA
Nonstop2h 49mAlaska Airlines
Wed 15/104:32 p.m.SEA - LAS
Nonstop2h 34mAlaska Airlines
Deal found 15/9C$ 180
Sat 8/115:50 a.m.LAS - SEA
1 stop5h 30mSouthwest
Mon 10/115:50 a.m.SEA - LAS
1 stop6h 45mSouthwest
Deal found 17/9C$ 187
Thu 20/113:50 p.m.LAS - SEA
Nonstop2h 51mDelta
Wed 10/127:59 p.m.SEA - LAS
Nonstop2h 35mDelta
Deal found 16/9C$ 188
Sat 8/116:30 a.m.LAS - SEA
1 stop4h 50mSouthwest
Wed 12/116:15 a.m.SEA - LAS
2 stops5h 55mSouthwest
Deal found 16/9C$ 195
Fri 26/126:00 a.m.LAS - SEA
Nonstop2h 53mDelta
Tue 30/128:10 p.m.SEA - LAS
Nonstop2h 40mDelta
Deal found 17/9C$ 202
Wed 15/108:10 p.m.LAS - SEA
Nonstop2h 45mSouthwest
Wed 22/1012:50 p.m.SEA - LAS
2 stops7h 20mSouthwest
Deal found 16/9C$ 209
Tue 7/106:10 p.m.LAS - SEA
1 stop4h 35mSouthwest
Wed 8/101:20 p.m.SEA - LAS
1 stop6h 25mSouthwest
Deal found 16/9C$ 215
Sat 11/101:59 p.m.LAS - SEA
Nonstop2h 51mDelta
Sun 12/107:10 a.m.SEA - LAS
Nonstop2h 37mDelta
Deal found 16/9C$ 216
Sat 8/1110:52 a.m.LAS - SEA
Nonstop2h 58mDelta
Mon 10/117:10 a.m.SEA - LAS
Nonstop2h 40mDelta
Deal found 17/9C$ 217

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 17 September 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

Wed 15/10

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

Nonstop2h 50m

Seattle/Tacoma Intl

Wed 22/10

12:00 p.m.-2:39 p.m.

Nonstop2h 39m

C$ 161

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 11/10

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

Nonstop2h 46m

Seattle/Tacoma Intl

Sat 18/10

6:05 p.m.-8:36 p.m.

Nonstop2h 31m

C$ 161

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 8/11

6:30 a.m.-11:20 a.m.

1 stop4h 50m

Seattle/Tacoma Intl

Wed 12/11

7:05 a.m.-9:35 a.m.

Nonstop2h 30m

C$ 175

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 15/10

10:11 a.m.-1:00 p.m.

Nonstop2h 49m

Seattle/Tacoma Intl

Wed 15/10

4:32 p.m.-7:06 p.m.

Nonstop2h 34m

C$ 180

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 7/11

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

Nonstop2h 50m

Seattle/Tacoma Intl

Sun 9/11

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

2 stops7h 25m

C$ 182

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 25/10

7:15 p.m.-10:05 p.m.

Nonstop2h 50m

Seattle/Tacoma Intl

Wed 29/10

6:15 a.m.-12:20 p.m.

2 stops6h 05m

C$ 182

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 27/11

11:02 a.m.-1:58 p.m.

Nonstop2h 56m

Seattle/Tacoma Intl

Mon 8/12

3:45 p.m.-6:15 p.m.

Nonstop2h 30m

C$ 188

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 8/10

7:35 p.m.-10:30 p.m.

Nonstop2h 55m

Seattle/Tacoma Intl

Sat 11/10

4:32 p.m.-7:06 p.m.

Nonstop2h 34m

C$ 202

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 11/10

10:52 a.m.-1:50 p.m.

Nonstop2h 58m

Seattle/Tacoma Intl

Tue 14/10

10:15 a.m.-12:52 p.m.

Nonstop2h 37m

C$ 202

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 15/10

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

Nonstop2h 45m

Seattle/Tacoma Intl

Thu 30/10

4:20 p.m.-8:20 p.m.

1 stop4h 00m

C$ 216

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 23 results
1
2
3

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 12 September 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 42 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 17 September 2025.

It’s typically best to fly out from Las Vegas to Seattle at noon. Doing so could potentially save you 38% 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 25 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?

    Delta, Southwest, and Alaska Airlines can get you from Las Vegas to Seattle in just under 2h 49m. Your travel time can differ by up to 2h 01m. 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$ 94. Users have also found prices from C$ 95 and C$ 95 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: Scandinavian Airlines (95%), KLM (93%), WestJet( 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$ 339, our data indicates the cheapest price to be C$ 214. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 521.

  • 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.