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Cheap flights from Las Vegas to Seattle from C$ 64

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
3 ene. — 10 ene.1
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 January or February, booked 31 days in advance, depart on a Monday or Tuesday and return on a Sunday

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 4 diciembre 2025.

lun. 29/123:20 p.m.LAS - SEA
Nonstop2h 56mDelta
vie. 2/18:10 p.m.SEA - LAS
Nonstop2h 40mDelta
Deal found 3/12C$ 163
mié. 17/127:00 a.m.LAS - SEA
2 stops7h 36mAlaska Airlines
mié. 17/126:26 p.m.SEA - LAS
Nonstop2h 34mAlaska Airlines
Deal found 3/12C$ 200
mié. 31/126:00 a.m.LAS - SEA
Nonstop2h 54mAlaska Airlines
dom. 4/17:20 a.m.SEA - LAS
Nonstop2h 37mAlaska Airlines
Deal found 2/12C$ 212
mar. 16/1211:52 a.m.LAS - SEA
Nonstop2h 58mAlaska Airlines
mié. 31/129:15 p.m.SEA - LAS
Nonstop2h 33mAlaska Airlines
Deal found 3/12C$ 233
mar. 16/127:00 a.m.LAS - SEA
2 stops7h 36mAlaska Airlines
mar. 16/126:26 p.m.SEA - LAS
Nonstop2h 34mAlaska Airlines
Deal found 3/12C$ 250
mar. 30/126:00 a.m.LAS - SEA
Nonstop2h 54mAlaska Airlines
mar. 6/112:45 p.m.SEA - LAS
Nonstop2h 37mAlaska Airlines
Deal found 3/12C$ 275
mar. 30/126:00 a.m.LAS - SEA
Nonstop2h 54mAlaska Airlines
mié. 31/129:15 p.m.SEA - LAS
Nonstop2h 33mAlaska Airlines
Deal found 4/12C$ 289
jue. 18/122:08 p.m.LAS - SEA
Nonstop2h 52mDelta
sáb. 10/110:20 a.m.SEA - LAS
Nonstop2h 30mDelta
Deal found 4/12C$ 310
jue. 18/122:08 p.m.LAS - SEA
Nonstop2h 52mDelta
dom. 4/17:30 a.m.SEA - LAS
Nonstop2h 38mDelta
Deal found 4/12C$ 324

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 4 diciembre 2025.

Round-trip from

C$ 103

One-way from

C$ 64

Popular in

June

Cheapest in

January

Average price

C$ 246

Good one-way deal

C$ 138 or less
Southwest
  • Southwest
  • 3/2-10/2
  • Nonstop
  • 5h 15m total
  • Las Vegas to Seattle
Search Deals
Southwest
  • Southwest
  • 5/2
  • Nonstop
  • 2h 50m total
  • Las Vegas to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 4 diciembre 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

jue. 22/1

7:36 p.m.-10:30 p.m.

Nonstop2h 54m

Seattle/Tacoma Intl

dom. 25/1

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

Nonstop2h 36m

C$ 135

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

jue. 15/1

8:50 p.m.-11:40 p.m.

Nonstop2h 50m

Seattle/Tacoma Intl

jue. 22/1

4:40 p.m.-10:00 p.m.

1 stop5h 20m

C$ 141

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

jue. 8/1

7:50 p.m.-10:35 p.m.

Nonstop2h 45m

Seattle/Tacoma Intl

lun. 12/1

4:40 p.m.-10:00 p.m.

1 stop5h 20m

C$ 141

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

jue. 8/1

6:00 a.m.-12:05 p.m.

1 stop6h 05m

Seattle/Tacoma Intl

sáb. 10/1

1:45 p.m.-9:00 p.m.

1 stop7h 15m

C$ 155

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

vie. 9/1

4:10 p.m.-9:50 p.m.

1 stop5h 40m

Seattle/Tacoma Intl

mié. 14/1

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

1 stop6h 15m

C$ 174

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mar. 27/1

9:30 a.m.-12:20 p.m.

Nonstop2h 50m

Seattle/Tacoma Intl

jue. 12/2

6:30 a.m.-9:00 a.m.

Nonstop2h 30m

C$ 179

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

jue. 8/1

2:19 p.m.-6:43 p.m.

1 stop4h 24m

Seattle/Tacoma Intl

dom. 11/1

8:06 a.m.-2:31 p.m.

1 stop6h 25m

C$ 218

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mié. 14/1

5:25 p.m.-9:50 p.m.

1 stop4h 25m

C$ 66

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mié. 4/2

3:15 p.m.-8:20 p.m.

1 stop5h 05m

C$ 66

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mar. 10/3

6:59 p.m.-9:46 p.m.

Nonstop2h 47m

C$ 68

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 19 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 28 November 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 4 diciembre 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 11 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, Delta, and Southwest can get you from Las Vegas to Seattle in just under 2h 46m. 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$ 34. Users have also found prices from C$ 61 and C$ 83 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: Aeromexico (92%), Air France (91%), WestJet( 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$ 214, our data indicates the cheapest price to be C$ 78. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 646.

  • 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
Mukilteo
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

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Alternative routes for Las Vegas to Seattle

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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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