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Cheap flights from Las Vegas to Seattle from C$ 102

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
27 Apr — 4 May1
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 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 22 April 2025.

Round-trip from

C$ 203

One-way from

C$ 102

Popular in

July

Cheapest in

October

Average price

C$ 217

Good one-way deal

C$ 121 or less
Southwest
  • Southwest
  • 6/6-11/6
  • 1 total stop
  • 8h 10m total
  • Las Vegas to Seattle
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United Airlines
  • United Airlines
  • 21/5
  • 1 total stop
  • 5h 49m total
  • Las Vegas to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 24 potential increase over avg. RT price).
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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 April 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

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 22 April 2025.

Thu 15/56:10 a.m.LAS - SEA
Nonstop2h 40mDelta
Sun 18/510:25 a.m.SEA - LAS
Nonstop2h 39mDelta
Deal found 22/4C$ 192
Fri 6/69:55 p.m.LAS - SEA
Nonstop2h 35mSouthwest
Wed 11/66:35 a.m.SEA - LAS
1 stop5h 35mSouthwest
Deal found 21/4C$ 203
Tue 13/54:08 p.m.LAS - SEA
1 stop5h 49mUnited Airlines
Tue 20/512:45 p.m.SEA - LAS
1 stop5h 06mUnited Airlines
Deal found 21/4C$ 232
Tue 27/57:05 a.m.LAS - SEA
1 stop7h 21mAlaska Airlines
Mon 9/69:27 p.m.SEA - LAS
Nonstop2h 32mAlaska Airlines
Deal found 20/4C$ 245
Wed 25/67:45 p.m.LAS - SEA
Nonstop2h 45mHawaiian Airlines
Thu 26/66:50 p.m.SEA - LAS
Nonstop2h 36mHawaiian Airlines
Deal found 21/4C$ 329

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 22 April 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

Thu 15/5

6:10 a.m.-8:50 a.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Sun 18/5

10:25 a.m.-1:04 p.m.

Nonstop2h 39m

C$ 192

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 6/6

9:55 p.m.-12:30 a.m.

Nonstop2h 35m

Seattle/Tacoma Intl

Wed 11/6

6:35 a.m.-12:10 p.m.

1 stop5h 35m

C$ 203

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 13/5

4:08 p.m.-9:57 p.m.

1 stop5h 49m

Seattle/Tacoma Intl

Tue 20/5

12:45 p.m.-5:51 p.m.

1 stop5h 06m

C$ 232

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 27/5

7:05 a.m.-2:26 p.m.

1 stop7h 21m

Seattle/Tacoma Intl

Mon 9/6

9:27 p.m.-11:59 p.m.

Nonstop2h 32m

C$ 245

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 25/6

7:45 p.m.-10:30 p.m.

Nonstop2h 45m

Seattle/Tacoma Intl

Thu 26/6

6:50 p.m.-9:26 p.m.

Nonstop2h 36m

C$ 329

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 4/6

5:13 p.m.-9:58 p.m.

1 stop4h 45m

C$ 102

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 14/5

1:50 p.m.-9:00 p.m.

1 stop7h 10m

C$ 108

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 14/5

7:14 p.m.-10:00 p.m.

Nonstop2h 46m

C$ 109

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Mon 12/5

6:10 a.m.-8:50 a.m.

Nonstop2h 40m

C$ 123

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Mon 2/6

12:59 a.m.-11:37 p.m.

1 stop22h 38m

C$ 140

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 12 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 18 April 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$ 261). 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 22 April 2025.

It’s typically best to fly out from Las Vegas to Seattle in the evening. Doing so could potentially save you 20% on the flight price compared to flying at noon, 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 22 April 2025.

The most flights from LAS to SEA are scheduled on a Tuesday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 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 22 April 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
Hawaiian Airlines
7.9
Good
2,392 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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.

  • 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 3h 00m on average. When it comes time to book airfare, you have a few options: there are 34 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 60 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 Southwest. Our recent data shows that you can find tickets from as low as C$ 203 on this airline. Additional options worth looking into are Delta and United Airlines, starting at C$ 220 and C$ 232 round-trip.

  • What are the cheapest airlines to fly from Las Vegas to Seattle one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 102. Users have also found prices from C$ 108 and C$ 109 on Southwest 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: Horizon Air (100%), China Eastern (97%), Frontier( 96%).

  • 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$ 270, our data indicates the cheapest price to be C$ 44. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 137.

  • 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$ 261). 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
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Olympia
Lynnwood
Leavenworth

Browse thousands of different options on Cheapflights for your next trip

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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 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 78AverageC$ 133FlexibilityNo 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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