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Cheap flights from Las Vegas to Seattle from C$ 99

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

C$ 196

One-way from

C$ 99

Popular in

July

Cheapest in

October

Average price

C$ 225

Good one-way deal

C$ 177 or less
Delta
  • Delta
  • 22/4-27/4
  • Nonstop
  • 5h 13m total
  • Las Vegas to Seattle
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Delta
  • Delta
  • 22/4
  • Nonstop
  • 2h 50m total
  • Las Vegas to Seattle
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Highest demand for flights based on searches. 9% potential increase in price (C$ 31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in March 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 25 March 2025.

Tue 22/46:10 a.m.LAS - SEA
Nonstop2h 45mDelta
Sun 27/43:20 p.m.SEA - LAS
Nonstop2h 28mDelta
Deal found 24/3C$ 196
Thu 15/55:40 p.m.LAS - SEA
1 stop5h 45mSouthwest
Sun 18/56:25 a.m.SEA - LAS
Nonstop2h 30mSouthwest
Deal found 24/3C$ 211
Thu 8/56:00 a.m.LAS - SEA
1 stop4h 58mAlaska Airlines
Sun 11/54:32 p.m.SEA - LAS
Nonstop2h 31mAlaska Airlines
Deal found 24/3C$ 239
Tue 13/510:46 a.m.LAS - SEA
2 stops7h 44mUnited Airlines
Mon 19/57:33 p.m.SEA - LAS
1 stop5h 26mUnited Airlines
Deal found 25/3C$ 318

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 25 March 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

Tue 22/4

6:10 a.m.-8:55 a.m.

Nonstop2h 45m

Seattle/Tacoma Intl

Sun 27/4

3:20 p.m.-5:48 p.m.

Nonstop2h 28m

C$ 196

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 15/5

5:40 p.m.-11:25 p.m.

1 stop5h 45m

Seattle/Tacoma Intl

Sun 18/5

6:25 a.m.-8:55 a.m.

Nonstop2h 30m

C$ 211

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 8/5

6:00 a.m.-10:58 a.m.

1 stop4h 58m

Seattle/Tacoma Intl

Sun 11/5

4:32 p.m.-7:03 p.m.

Nonstop2h 31m

C$ 239

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 13/5

10:46 a.m.-6:30 p.m.

2 stops7h 44m

Seattle/Tacoma Intl

Mon 19/5

7:33 p.m.-12:59 a.m.

1 stop5h 26m

C$ 318

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 22/4

1:55 p.m.-4:45 p.m.

Nonstop2h 50m

C$ 99

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 17/5

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

1 stop5h 49m

C$ 106

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 29/4

6:20 a.m.-2:00 p.m.

1 stop7h 40m

C$ 112

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 7/6

7:10 a.m.-1:37 p.m.

1 stop6h 27m

C$ 155

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 28/5

6:00 a.m.-9:12 p.m.

1 stop15h 12m

C$ 168

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 23/8

6:00 a.m.-2:45 p.m.

3 stops8h 45m

C$ 635

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/3

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 21 March 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 25 March 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 25 March 2025.

The most flights from LAS to SEA are scheduled on a Monday (64 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (28 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 25 March 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
9,782 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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 2h 45m on average. When it comes time to book airfare, you have a few options: there are 42 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 Delta. Our recent data shows that you can find tickets from as low as C$ 196 on this airline. Additional options worth looking into are Southwest and Alaska Airlines, starting at C$ 211 and C$ 239 round-trip. Users have found that Delta is 6% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 99. Users have also found prices from C$ 106 and C$ 112 on United Airlines and Southwest, 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: Frontier (100%), Air France (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$ 224, our data indicates the cheapest price to be C$ 97. The most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl), is priced around C$ 342.

  • 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
SeaTac
Tukwila
Marysville
Bothell
Leavenworth
Tacoma
Olympia
Lynnwood

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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 81AverageC$ 132FlexibilityNo 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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