Seattle

$69+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Oct 15 — Oct 221
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Find cheap flights from USA to Seattle with Cheapflights

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Cheap flight deals from USA to Seattle

Keep the following information in mind while searching for USA to Seattle flight deals. Data was last updated September 15, 2025.

Round-trip from

$106
(Cheapflightsfares)

One-way from

$69
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$327

Good round-trip deal

$148 or less

Good one-way deal

$107 or less
From USA to Seattle/Tacoma Intl
One-way flight from USA to Seattle/Tacoma Intl
Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in September 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.

Find 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 September 15, 2025.

This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:30 amDEN - SEA
Nonstop3h 03mFrontier
Wed 10/2912:58 pmSEA - DEN
Nonstop2h 59mFrontier
Deal found 9/14$107
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:33 pmDEN - SEA
Nonstop3h 06mFrontier
Sun 10/56:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 9/15$109
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:30 amDEN - SEA
Nonstop3h 03mFrontier
Sun 10/194:11 pmSEA - DEN
1 stop23h 25mFrontier
Deal found 9/13$110
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:30 amDEN - SEA
1 stop6h 11mFrontier
Tue 10/71:02 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 9/14$111
This Frontier deal was found by Cheapflights users on 9/14. 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.
Sun 10/195:30 amDEN - SEA
Nonstop3h 03mFrontier
Sun 11/162:22 pmSEA - DEN
Nonstop2h 51mFrontier
Deal found 9/14$112
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:29 pmDEN - SEA
Nonstop3h 01mFrontier
Thu 10/91:02 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 9/14$113
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:55 pmDEN - SEA
Nonstop3h 04mFrontier
Tue 10/71:02 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 9/14$114
This Frontier deal was found by Cheapflights users on 9/14. 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 9/308:55 pmDEN - SEA
Nonstop3h 04mFrontier
Mon 10/66:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 9/14$115
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:29 pmDEN - SEA
Nonstop3h 01mFrontier
Mon 9/294:36 pmSEA - DEN
1 stop5h 50mFrontier
Deal found 9/13$117
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:29 pmDEN - SEA
1 stop17h 42mFrontier
Tue 9/237:00 amSEA - DEN
Nonstop2h 53mFrontier
Deal found 9/13$118
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/259:58 amDEN - SEA
Nonstop3h 09mFrontier
Tue 11/412:58 pmSEA - DEN
Nonstop2h 59mFrontier
Deal found 9/13$120
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/259:58 amDEN - SEA
Nonstop3h 09mFrontier
Sun 11/22:22 pmSEA - DEN
Nonstop2h 51mFrontier
Deal found 9/13$121

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 September 15, 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

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 10/4

9:08 pm-11:59 pm

Nonstop2h 51m

Seattle/Tacoma Intl

Mon 10/6

10:10 am-1:00 pm

Nonstop2h 50m

$143

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 10/3

9:03 pm-8:39 pm

1 stop23h 36m

Seattle/Tacoma Intl

Mon 10/6

1:47 pm-7:52 pm

1 stop6h 05m

$144

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 10/2

8:14 pm-3:45 pm

1 stop19h 31m

Seattle/Tacoma Intl

Sun 10/5

4:36 pm-7:30 pm

1 stop26h 54m

$144

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 10/17

9:17 pm-12:07 pm

1 stop14h 50m

Seattle/Tacoma Intl

Sun 10/19

7:28 pm-7:53 pm

1 stop24h 25m

$144

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 10/24

9:33 am-3:16 pm

1 stop5h 43m

Seattle/Tacoma Intl

Sun 10/26

4:11 pm-1:35 pm

1 stop21h 24m

$144

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 10/16

8:40 pm-3:16 pm

1 stop18h 36m

Seattle/Tacoma Intl

Sun 10/19

8:43 pm-7:35 am

1 stop10h 52m

$144

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 10/20

8:20 am-10:34 am

Nonstop2h 14m

Seattle/Tacoma Intl

Wed 10/22

8:15 pm-10:29 pm

Nonstop2h 14m

$147

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 11/12

9:00 am-11:24 am

Nonstop2h 24m

Seattle/Tacoma Intl

Thu 11/13

8:25 pm-10:41 pm

Nonstop2h 16m

$147

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 10/7

8:00 am-2:35 pm

1 stop6h 35m

Seattle/Tacoma Intl

Tue 10/7

5:59 pm-8:16 pm

Nonstop2h 17m

$151

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 10/21

1:23 pm-5:00 pm

1 stop3h 37m

Seattle/Tacoma Intl

Tue 10/21

8:15 pm-10:29 pm

Nonstop2h 14m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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The best insider tips for theUnited States 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 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.

Read more about Deltaby Harriet Baskas
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.

Read more about Frontierby Marisa Garcia
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.

Read more about SEAby Brandon Schultz
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

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 $238). Flying from USA to Seattle in June is currently the most expensive (average of $387). 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Seattle as you normally would.

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 September 15, 2025.

The most flights from US0 to SEA are scheduled on a Monday (128 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (81 on average).

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 September 15, 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

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
8.0
Very good

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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?

    Frontier, Alaska Airlines, and Delta can get you from USA to Seattle in just under 2h 14m. Your travel time will be generally consistent. There are 679 mi between USA and Seattle. Most flights are nonstop.

  • 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 Delta ($69), Alaska Airlines ($69), and Southwest ($79).

  • 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 SAUDIA (96%), EL AL (93%) and Finnair (92%).

  • What are the cheapest flights from USA to Seattle?

    The cheapest flight price from USA to Seattle is $77. On average you can expect to pay $529. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for $84.

  • 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 $238). Flying from USA to Seattle in June is currently the most expensive (average of $387). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$43Average$219FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$46Average$209FlexibilityNo cancel feeOn-time65%
DeltaCheapest$97Average$321FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$104Average$328FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$126Average$357FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$128Average$360FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$133Average$335FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$136Average$316FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$153Average$395FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$163Average$393FlexibilityNo cancel feeOn-time71%

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