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Cheap flights from Las Vegas to Seattle from C$ 84

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
25 Feb — 4 Mar1
1 adult

The best prices from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl are usually found in October or September, booked 42 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

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 20 February 2025.

Round-trip from

C$ 259

One-way from

C$ 84

Popular in

July

Cheapest in

October

Average price

C$ 206

Good round-trip deal

C$ 134 or less

Good one-way deal

C$ 175 or less
Alaska Airlines
  • Alaska Airlines
  • 13/3-13/8
  • Nonstop
  • 5h 15m total
  • Las Vegas to Seattle
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Spirit Airlines
  • Spirit Airlines
  • 3/3
  • Nonstop
  • 2h 44m total
  • Las Vegas to Seattle
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 8 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl.
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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

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 20 February 2025.

Fri 9/59:40 p.m.LAS - SEA
Nonstop2h 45mSouthwest
Sun 11/55:30 a.m.SEA - LAS
1 stop5h 30mSouthwest
Deal found 19/2C$ 237
Thu 13/35:50 p.m.LAS - SEA
Nonstop2h 45mAlaska Airlines
Wed 13/87:50 p.m.SEA - LAS
Nonstop2h 30mAlaska Airlines
Deal found 19/2C$ 259
Wed 12/33:55 p.m.LAS - SEA
1 stop6h 02mUnited Airlines
Sat 16/85:14 p.m.SEA - LAS
1 stop6h 43mUnited Airlines
Deal found 19/2C$ 281
Mon 17/36:55 p.m.LAS - SEA
Nonstop2h 49mDelta
Sat 16/88:10 p.m.SEA - LAS
Nonstop2h 35mDelta
Deal found 19/2C$ 294

Find flights from Las Vegas to Seattle within your budget

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 20 February 2025.

Fly from

Las Vegas

Fly to

Seattle

Route

Depart

Return

Price

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 9/5

9:40 p.m.-12:25 a.m.

Nonstop2h 45m

Seattle/Tacoma Intl

Sun 11/5

5:30 a.m.-11:00 a.m.

1 stop5h 30m

C$ 237

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 13/3

5:50 p.m.-8:35 p.m.

Nonstop2h 45m

Seattle/Tacoma Intl

Wed 13/8

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

Nonstop2h 30m

C$ 259

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 12/3

3:55 p.m.-9:57 p.m.

1 stop6h 02m

Seattle/Tacoma Intl

Sat 16/8

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

1 stop6h 43m

C$ 281

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 12/3

6:30 a.m.-4:55 p.m.

1 stop10h 25m

Seattle/Tacoma Intl

Thu 14/8

7:20 a.m.-9:53 a.m.

Nonstop2h 33m

C$ 305

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Mon 3/3

4:08 p.m.-6:52 p.m.

Nonstop2h 44m

C$ 84

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Mon 24/3

9:45 p.m.-12:30 a.m.

Nonstop2h 45m

C$ 112

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 2/5

4:08 p.m.-10:27 p.m.

1 stop6h 19m

C$ 119

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 18/3

6:20 a.m.-1:53 p.m.

1 stop7h 33m

C$ 143

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 9/7

6:00 a.m.-8:38 a.m.

Nonstop2h 38m

C$ 148

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 18/4

7:55 p.m.-9:58 a.m.

1 stop14h 03m

C$ 166

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

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.

Travel insights for flights from Las Vegas to Seattle

Get recent, data-driven insights about flights from Las Vegas to Seattle including ideal travel times, pricing trends, and more.

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 14 February 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 April is currently the most expensive (average of C$ 382). 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 20 February 2025.

It’s typically best to fly out from Las Vegas to Seattle in the evening. Doing so could potentially save you 23% 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 20 February 2025.

The most flights from LAS to SEA are scheduled on a Thursday (55 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (24 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 20 February 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Las Vegas to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,316 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • What airports do I use to fly from Las Vegas to Seattle?

    To fly from Las Vegas to Seattle, you need to book a flight from Harry Reid Intl (LAS) to Seattle/Tacoma Intl (SEA). Nonstop flights to Seattle/Tacoma Intl from Las Vegas Harry Reid Intl take 2h 50m on average. When it comes time to book airfare, you have a few options: there are 37 outbound flights from Harry Reid Intl to Seattle/Tacoma Intl offered by 1 airline.

  • 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 64 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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$ 259 on this airline. Additional options worth looking into are United Airlines and Southwest, starting at C$ 281 and C$ 287 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$ 84. Users have also found prices from C$ 112 and C$ 119 on Southwest and United 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 (96%), Frontier (96%), China Eastern( 95%).

  • 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$ 313, our data indicates the cheapest price to be C$ 37. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 294.

  • 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 April is currently the most expensive (average of C$ 382). 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
SeaTac
Tukwila
Marysville
Bothell
Leavenworth
Tacoma
Olympia
Lynnwood

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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

Top airline flying from Las Vegas to Seattle

Discover the top airline that operate flights from Las Vegas to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 80AverageC$ 137FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

Fly with Cheapflights

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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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