Seattle

$49+ Cheap flights from Las Vegas to Seattle (LAS - SEA)

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SEA
Apr 1 — Apr 81
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Find cheap flights from Las Vegas to Seattle with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
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3. Compare prices and book
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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 Friday or Thursday 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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$64
(FlightHub)

One-way from

$49
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$157

Good round-trip deal

$156 or less

Good one-way deal

$95 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Seattle/Tacoma Intl flights.
From Las Vegas Harry Reid Intl to Seattle/Tacoma Intl
One-way flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl
Highest demand for flights based on searches. 9% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl.

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 March 27, 2025.

This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:07 pmLAS - SEA
Nonstop2h 44mSpirit Airlines
Sun 4/278:56 pmSEA - LAS
Nonstop2h 33mSpirit Airlines
Deal found 3/26$64
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/176:40 amLAS - SEA
Nonstop2h 55mMultiple Airlines
Mon 4/218:56 pmSEA - LAS
Nonstop2h 33mMultiple Airlines
Deal found 3/25$83
This Frontier deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/93:00 pmLAS - SEA
Nonstop3h 00mFrontier
Sun 5/118:22 pmSEA - LAS
Nonstop2h 41mFrontier
Deal found 3/26$100
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:55 pmLAS - SEA
Nonstop2h 52mDelta
Tue 5/137:59 pmSEA - LAS
Nonstop2h 36mDelta
Deal found 3/26$157
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/29:40 pmLAS - SEA
Nonstop2h 45mSouthwest
Tue 5/65:45 amSEA - LAS
2 stops7h 25mSouthwest
Deal found 3/25$172
This lastminute.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:57 pmLAS - SEA
1 stop5h 02mHawaiian Airlines
Sun 4/277:00 amSEA - LAS
1 stop4h 46mHawaiian Airlines
Deal found 3/25$173
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/188:59 pmLAS - SEA
1 stop10h 00mAlaska Airlines
Sun 4/209:26 pmSEA - LAS
Nonstop2h 33mAlaska Airlines
Deal found 3/26$177
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2411:48 amLAS - SEA
1 stop6h 43mAmerican Airlines
Tue 5/276:14 amSEA - LAS
1 stop7h 17mAmerican Airlines
Deal found 3/26$187

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 2,558,603 searches. Data last updated March 27, 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 4/24

5:07 pm-7:51 pm

Nonstop2h 44m

Seattle/Tacoma Intl

Sun 4/27

8:56 pm-11:29 pm

Nonstop2h 33m

$64

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 4/17

6:40 am-9:35 am

Nonstop2h 55m

Seattle/Tacoma Intl

Mon 4/21

8:56 pm-11:29 pm

Nonstop2h 33m

$83

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 5/9

3:00 pm-6:00 pm

Nonstop3h 00m

Seattle/Tacoma Intl

Sun 5/11

8:22 pm-11:03 pm

Nonstop2h 41m

$100

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 5/6

6:55 pm-9:47 pm

Nonstop2h 52m

Seattle/Tacoma Intl

Tue 5/13

7:59 pm-10:35 pm

Nonstop2h 36m

$157

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 5/2

9:40 pm-12:25 am

Nonstop2h 45m

Seattle/Tacoma Intl

Wed 5/7

10:10 am-4:15 pm

2 stops6h 05m

$172

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 4/23

5:57 pm-10:59 pm

1 stop5h 02m

Seattle/Tacoma Intl

Sun 4/27

7:00 am-11:46 am

1 stop4h 46m

$173

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 4/18

6:00 am-12:48 pm

1 stop6h 48m

Seattle/Tacoma Intl

Sun 4/20

7:10 pm-9:40 pm

Nonstop2h 30m

$177

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 5/24

11:48 am-6:31 pm

1 stop6h 43m

Seattle/Tacoma Intl

Tue 5/27

6:14 am-1:31 pm

1 stop7h 17m

$187

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 5/17

9:32 pm-12:10 am

Nonstop2h 38m

$49

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 4/17

6:40 am-9:35 am

Nonstop2h 55m

$51

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 18 results
1
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Compare providers for flights from Las Vegas to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Seattle in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Las Vegas to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Seattle trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer wider seats and extra legroom, ideal for comfort.


Spirit's Wi-Fi plans are available for browsing and streaming, enhancing in-flight entertainment.

Frontier

Frontier's UpFront Plus guarantees an empty middle seat, offering more comfort.


Frontier's Zone 1 boarding is available with carry-on purchase, ensuring quicker boarding.

Read more about Frontierby Marisa Garcia
Alaska Airlines

Alaska's Wi-Fi offers a flat fee, ideal for business travelers needing to work onboard.


Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort on flights.

Airports
LAS

LAS offers a self-service TSA screening trial, simplifying security with video instructions. Ideal for frequent travelers familiar with the process.

Read more about LASby Ramsey Qubein
SEA

Use the Link light rail from SEA to downtown Seattle for an affordable, 40-minute ride. It's convenient with ample luggage space.

Read more about SEAby Brandon Schultz
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LAS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 March 21, 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $238). Flying from Las Vegas to Seattle in July is currently the most expensive (average of $411). 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 March 27, 2025.

When flying from Las Vegas to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 53% versus a flight in the morning.

What is the cheapest day to fly from Las Vegas to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Seattle. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their Las Vegas to Seattle flight should consider departing on Friday afternoons when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 March 27, 2025.

The most flights from LAS to SEA are scheduled on a Monday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 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 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 27, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Las Vegas to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
8.0
Very good

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

    If you book a flight from Las Vegas to Seattle, you will be flying from Harry Reid Intl to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Las Vegas Harry Reid Intl (LAS) take 2h 38m for a nonstop flight. There are 36 flights from Harry Reid Intl to Seattle per day from 6 airlines.

  • How popular is this Las Vegas to Seattle flight route?

  • What are the cheapest airlines flying from Las Vegas to Seattle round-trip?

    Currently priced at $64, Spirit Airlines will fly you from Las Vegas to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $100 and $157, respectively. Spirit Airlines is priced at 56% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Las Vegas to Seattle are Spirit Airlines ($49), Frontier ($51), and Hawaiian Airlines ($76).

  • What are the most reliable airlines from Las Vegas to Seattle?

    The top 3 most reliable airlines when flying from Las Vegas to Seattle are Frontier (100%), Air France (96%) and China Eastern (95%).

  • What are the cheapest flights from Las Vegas to Seattle?

    Looking at all options, your cheapest flight can be booked for $35. While the most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl) can be booked for $64 on average our data indicates $1,056 when flying from Las Vegas to Seattle.

  • 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 $238). Flying from Las Vegas to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Las Vegas?

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Top 6 airlines flying from Las Vegas to Seattle

Discover the top 6 airlines 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 2,558,603 searches. Data last updated March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$96FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$41Average$112FlexibilityNo cancel feeOn-time65%
DeltaCheapest$97Average$202FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$103Average$232FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$113Average$220FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$118Average$240FlexibilityNo cancel feeOn-time63%
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