Seattle

$59+ Cheap flights from the United States to Seattle (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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Jan 16 — Jan 231
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1. Tell us where you want to go

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Cheap flight deals from USA to Seattle

Cheapest flights from USA to Seattle
Explore the most affordable flight options available from USA to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:36 pmLAX - SEA
Nonstop3h 06mFrontier
Sun 1/41:25 pmSEA - LAX
1 stop26h 49mFrontier
Deal found 12/16$122
This Frontier deal was found by Cheapflights users on 12/15. 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.
Thu 12/259:36 pmLAX - SEA
Nonstop3h 06mFrontier
Thu 1/16:00 amSEA - LAX
Nonstop2h 46mFrontier
Deal found 12/15$128
This Frontier deal was found by Cheapflights users on 12/15. 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.
Thu 12/259:36 pmLAX - SEA
Nonstop3h 06mFrontier
Mon 1/56:00 amSEA - LAX
Nonstop2h 46mFrontier
Deal found 12/15$132
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:36 pmLAX - SEA
Nonstop3h 06mFrontier
Thu 1/155:43 pmSEA - LAX
Nonstop2h 48mFrontier
Deal found 12/15$137
This Frontier deal was found by Cheapflights users on 12/16. 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.
Thu 12/259:36 pmLAX - SEA
Nonstop3h 06mFrontier
Thu 1/810:19 amSEA - LAX
Nonstop2h 44mFrontier
Deal found 12/16$153
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/221:11 pmLAX - SEA
1 stop21h 00mFrontier
Thu 1/16:00 amSEA - LAX
Nonstop2h 46mFrontier
Deal found 12/15$154
This Frontier deal was found by Cheapflights users on 12/16. 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.
Thu 12/259:36 pmLAX - SEA
Nonstop3h 06mFrontier
Fri 1/95:38 pmSEA - LAX
Nonstop2h 46mFrontier
Deal found 12/16$158
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:17 pmONT - SEA
1 stop19h 34mFrontier
Mon 1/511:06 amSEA - ONT
Nonstop2h 36mFrontier
Deal found 12/15$161
This Frontier deal was found by Cheapflights users on 12/15. 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.
Tue 12/232:45 pmONT - SEA
Nonstop2h 53mFrontier
Mon 1/511:06 amSEA - ONT
Nonstop2h 36mFrontier
Deal found 12/15$162
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/221:11 pmLAX - SEA
1 stop21h 00mFrontier
Thu 1/155:43 pmSEA - LAX
Nonstop2h 48mFrontier
Deal found 12/15$164
This eDestinos deal was found by Cheapflights users on 12/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:58 pmLAX - SEA
1 stop12h 13mFrontier
Sun 1/185:43 pmSEA - LAX
Nonstop2h 48mFrontier
Deal found 12/15$168
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/256:07 pmONT - SEA
1 stop16h 04mFrontier
Mon 1/511:06 amSEA - ONT
Nonstop2h 36mFrontier
Deal found 12/15$168

Find flight deals from USA to Seattle

Keep the following information in mind while searching for USA to Seattle flight deals. Data was last updated December 17, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$103
(Frontier)

One-way from

$59
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$542

Good round-trip deal

$119 or less

Good one-way deal

$84 or less
Provider with most accurate pricing for New York (NYC)-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-Seattle/Tacoma Intl flights.
From USA to Seattle/Tacoma Intl
One-way flight from USA to Seattle/Tacoma Intl
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from USA to Seattle/Tacoma Intl.
Price to beat on a one-way flight from USA to Seattle/Tacoma Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA 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 December 17, 2025.
Use the filters below to find and compare flights from the United States to Seattle that are best for you.

Fly from

USA

Fly to

Seattle

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 1/22

10:30 am-12:53 pm

Nonstop2h 23m

Seattle/Tacoma Intl

Mon 1/26

9:55 am-5:47 pm

1 stop7h 52m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 3/13

4:03 pm-11:21 pm

1 stop7h 18m

Seattle/Tacoma Intl

Sun 3/15

7:20 am-9:46 am

Nonstop2h 26m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 2/10

10:30 am-12:53 pm

Nonstop2h 23m

Seattle/Tacoma Intl

Fri 2/27

7:00 pm-11:54 pm

1 stop4h 54m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 3/6

6:05 am-8:25 am

Nonstop2h 20m

Seattle/Tacoma Intl

Mon 3/9

5:55 pm-11:16 pm

1 stop5h 21m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 1/21

1:35 pm-6:42 pm

1 stop5h 07m

Seattle/Tacoma Intl

Sat 1/24

11:30 am-1:43 pm

Nonstop2h 13m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 1/20

1:35 pm-8:36 pm

1 stop7h 01m

Seattle/Tacoma Intl

Wed 1/28

9:20 pm-11:30 pm

Nonstop2h 10m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 1/31

5:55 am-12:57 pm

1 stop7h 02m

Seattle/Tacoma Intl

Mon 2/2

9:20 pm-11:30 pm

Nonstop2h 10m

$127

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Sat 1/10

3:30 pm-6:35 pm

Nonstop3h 05m

Seattle/Tacoma Intl

Thu 1/15

5:25 am-12:16 pm

1 stop6h 51m

$129

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Fri 3/6

5:00 pm-12:09 am

1 stop7h 09m

Seattle/Tacoma Intl

Mon 3/9

7:50 pm-10:33 pm

Nonstop2h 43m

$129

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 1/15

1:11 pm-6:29 pm

1 stop5h 18m

Seattle/Tacoma Intl

Sun 1/25

11:15 am-1:56 pm

Nonstop2h 41m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from USA to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from USA 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 the United States to Seattle

What is the cheapest month to book a flight from USA to Seattle?

Currently, January is the cheapest month in which you can book a flight from USA to Seattle (average of $38). Flying from USA to Seattle in July is currently the most expensive (average of $79). 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 US to SEA?

Find hourly flight availability from USA 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 December 17, 2025.

It’s typically best to fly out from USA to Seattle in the evening. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from USA to Seattle?

Use this chart to determine the cheapest time to fly round-trip from USA to Seattle. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their USA to Seattle flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from USA to Seattle

Explore weekly flight availability from USA 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 December 17, 2025.

The most flights from US0 to SEA are scheduled on a Tuesday (102 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from the United States to Seattle delayed?

About 14% of weekly flights between United States and Seattle have experienced delays in the past year, with the average delay time being 149 minutes.

What is the most punctual flight time for the United States to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United States to Seattle flights?

Over the last year, SkyWest Airlines have had the lowest number of delays on this route, with just 6% of flights being delayed.

The best insider tips for theUnited States to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Seattle trip
Airlines
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, but snacks and meals require purchase.


Alaska Airlines offers 32” legroom in Main Cabin, with pre-order meals available online 24 hours before flight.

Delta

Delta's Comfort Plus offers extra legroom, early boarding, and upgraded snacks on domestic flights.


Delta offers free Wi-Fi on most domestic flights for SkyMiles members, enhancing in-flight connectivity.

American Airlines

American's Main Cabin Extra offers 34”-35” seat pitch, more comfortable than standard economy.


American's Flagship Business offers 20” wide seats with 6’ 7” lay-flat beds and direct aisle access.

United Airlines

United's Economy Plus offers extra legroom seats at the front of the economy cabin for a fee.


United's Basic Economy allows a personal item only; carry-on bags incur additional fees.

Frontier

Frontier's UpFront Plus offers a guaranteed empty middle seat and 32” separation for extra comfort.


Frontier charges for carry-on bags; add to reservation early for lower fees.

Hawaiian Airlines

Hawaiian's Extra Comfort offers more legroom and early boarding, but meals are complimentary for all.


Hawaiian's First Class offers lie-flat seats on widebody aircraft, with free tablet devices on A330 and A321.

Airports
SEA

Use the Link light rail from SEA to downtown Seattle for an inexpensive, 40-minute journey with ample luggage space.

Our travel experts
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
Harriet Baskas

Harriet Baskas

Expert on Delta and United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on American Airlines and 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
Scott Laird

Scott Laird

Expert on Hawaiian Airlines

Scott Laird

Scott Laird

Originally from Anchorage, Alaska, Scott is a frequent contributor to Fodor’s Travel Guide, Conde Nast Traveler, TravelAge West, and TravelPulse. He holds a Bachelor of Science in Organizational Management from Alaska Pacific University and a Master of Science in Airline Management from Embry-Riddle Aeronautical University, and has worked in the airline and hotel industries and as a travel consultant.

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

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 December 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from the United States 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.

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from USA to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Seattle from United States?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from United States. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How popular is this USA to Seattle flight route?

  • How long is the flight from USA to Seattle?

    Delta, Southwest, and United Airlines can get you from USA to Seattle in just under 2h 23m. Your travel time can differ by up to 1h 52m. There are 679 mi between USA and Seattle. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from USA to Seattle are Frontier ($29), Spirit Airlines ($33), and Alaska Airlines ($46).

  • What are the most popular routes from USA to Seattle?

  • What are the most reliable airlines from USA to Seattle?

    The top 3 most reliable airlines when flying from USA to Seattle are Air New Zealand (96%), Virgin Australia (96%) and Avianca (96%).

  • What are the cheapest flights from USA to Seattle?

    The cheapest flight price from USA to Seattle is $72. On average you can expect to pay $915. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for $77.

  • Can I find deals for flights from USA to Seattle that include hotel bookings?

    Yes. In addition to deals on USA to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Seattle.

  • Can I find deals for business class flights from USA to Seattle?

    Yes. Cheapflights offers flight deals from USA 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 USA to Seattle?

    Currently, January is the cheapest month in which you can book a flight from USA to Seattle (average of $38). Flying from USA to Seattle in July is currently the most expensive (average of $79). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from USA to Seattle

Discover the top 10 airlines that operate flights from USA 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 December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$51Average$231FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$58Average$189FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$103Average$331FlexibilityNo cancel feeOn-time85%
DeltaCheapest$106Average$326FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$117Average$326FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$119Average$356FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$127Average$358FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$145Average$334FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$153Average$394FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$174Average$380FlexibilityNo cancel feeOn-time71%

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