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$89+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
lip 26 — sie 21
ndz. 7/26
ndz. 8/2
1 adult, Economy
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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 Czerwiec 26, 2026.

This Southwest deal was found by Cheapflights users on 6/21. 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.
sob. 8/225:05 pm
SFO
-
SEA
1 stop5h 50m
Southwest
sob. 8/299:20 am
SEA
-
SFO
1 stop5h 25m
Southwest
Deal found 6/21$177
This Southwest deal was found by Cheapflights users on 6/21. 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.
wt. 7/215:20 pm
SFO
-
SEA
2 stops7h 25m
Southwest
wt. 7/284:35 pm
SEA
-
SFO
1 stop6h 45m
Southwest
Deal found 6/21$178
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 7/142:00 pm
SFO
-
SEA
Nonstop2h 20m
United Airlines
wt. 7/217:00 am
SEA
-
SFO
Nonstop2h 18m
United Airlines
Deal found 6/22$179
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
pt. 8/287:15 am
DEN
-
SEA
Nonstop3h 04m
Frontier
sob. 9/57:06 pm
SEA
-
DEN
Nonstop2h 52m
Frontier
Deal found 6/22$180
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
sob. 7/113:04 pm
LAX
-
SEA
Nonstop2h 47m
Frontier
pt. 7/2410:34 am
SEA
-
LAX
Nonstop3h 00m
Frontier
Deal found 6/21$180
This Super.com deal was found by Cheapflights users on 6/21. 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.
pt. 8/287:15 am
DEN
-
SEA
Nonstop3h 04m
Frontier
wt. 9/17:06 pm
SEA
-
DEN
Nonstop2h 52m
Frontier
Deal found 6/21$181
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
sob. 9/53:04 pm
LAX
-
SEA
Nonstop2h 47m
Frontier
pt. 9/1111:06 am
SEA
-
LAX
Nonstop2h 55m
Frontier
Deal found 6/21$181
This Cheapflightsfares deal was found by Cheapflights users on 6/21. 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.
wt. 8/117:00 am
DEN
-
SEA
Nonstop3h 04m
Frontier
wt. 8/187:06 pm
SEA
-
DEN
Nonstop2h 52m
Frontier
Deal found 6/21$182
This Frontier deal was found by Cheapflights users on 6/21. 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.
śr. 8/193:04 pm
LAX
-
SEA
Nonstop2h 47m
Frontier
wt. 8/252:37 pm
SEA
-
LAX
1 stop9h 34m
Frontier
Deal found 6/21$182
This Southwest deal was found by Cheapflights users on 6/22. 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.
wt. 8/42:35 pm
SFO
-
SEA
1 stop6h 40m
Southwest
śr. 8/125:55 am
SEA
-
SFO
2 stops8h 10m
Southwest
Deal found 6/22$182
This Expedia deal was found by Cheapflights users on 6/21. 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.
sob. 8/83:04 pm
LAX
-
SEA
Nonstop2h 47m
Frontier
śr. 8/127:06 pm
SEA
-
LAX
1 stop21h 44m
Frontier
Deal found 6/21$183
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 9/37:41 am
SFO
-
SEA
Nonstop2h 18m
United Airlines
czw. 9/1010:55 am
SEA
-
SFO
Nonstop2h 20m
United Airlines
Deal found 6/22$183

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 Czerwiec 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(Southwest)

One-way from

$89
(Southwest)

Popular in

December

Cheapest in

October

Average price

$488

Good round-trip deal

$189 or less

Good one-way deal

$118 or less
Provider with most accurate pricing for New York (NYC)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Seattle/Tacoma Intl flights.
Search Deals
From USA to Seattle/Tacoma Intl
Search Deals
One-way flight from USA to Seattle/Tacoma Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from USA to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from USA to Seattle/Tacoma Intl.
Search Deals

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 Czerwiec 26, 2026.
Use the filters below to find and compare flights from the United States to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

sob. 7/18

5:55 pm-1:15 am

1 stop7h 20m

Seattle/Tacoma Intl

wt. 7/21

6:30 am-2:15 pm

2 stops7h 45m

$182

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

sob. 8/15

5:05 pm-10:55 pm

1 stop5h 50m

Seattle/Tacoma Intl

wt. 8/18

5:55 am-2:05 pm

2 stops8h 10m

$182

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

pt. 8/21

2:00 pm-7:35 pm

1 stop5h 35m

Seattle/Tacoma Intl

sob. 8/22

5:00 am-12:05 pm

1 stop7h 05m

$190

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

śr. 7/22

6:35 am-8:50 am

Nonstop2h 15m

Seattle/Tacoma Intl

wt. 7/28

7:30 am-9:45 am

Nonstop2h 15m

$197

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

wt. 7/14

5:55 am-8:05 am

Nonstop2h 10m

Seattle/Tacoma Intl

pon. 7/20

9:39 pm-11:59 pm

Nonstop2h 20m

$212

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

ndz. 8/30

6:20 am-8:31 am

Nonstop2h 11m

Seattle/Tacoma Intl

wt. 9/1

7:20 am-9:36 am

Nonstop2h 16m

$212

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

ndz. 8/9

7:21 am-9:45 am

Nonstop2h 24m

Seattle/Tacoma Intl

śr. 8/12

2:40 pm-5:02 pm

Nonstop2h 22m

$212

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

śr. 9/2

11:37 am-2:00 pm

Nonstop2h 23m

Seattle/Tacoma Intl

pt. 9/25

8:30 pm-10:45 pm

Nonstop2h 15m

$212

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

śr. 9/2

6:00 am-8:08 am

Nonstop2h 08m

Seattle/Tacoma Intl

wt. 9/8

10:13 am-3:59 pm

1 stop5h 46m

$215

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

wt. 11/3

4:45 pm-7:02 pm

Nonstop2h 17m

Seattle/Tacoma Intl

wt. 11/10

3:00 pm-10:38 pm

1 stop7h 38m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, February is the cheapest month in which you can book a flight from USA to Seattle (average of $277). Flying from USA to Seattle in June is currently the most expensive (average of $429). 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 Czerwiec 26, 2026.

It’s typically best to fly out from USA to Seattle in the evening. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

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 Czerwiec 26, 2026.

The most flights from US0 to SEA are scheduled on a Friday (122 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (61 on average).

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

About 15% of weekly flights between United States and Seattle have experienced delays in the past year, with the average delay time being 148 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, Delta have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from USA to Seattle?

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from USA 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 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 June 20, 2026.

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

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
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

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 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 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

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 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 Czerwiec 26, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited 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.
Alaska Airlines
7.9
Good
12,580 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,580 reviews
Alaska Airlines
7.9
Good
12,580 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Delta
7.8
Good
8,453 reviews
Alaska Airlines
7.9
Good
12,580 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
United Airlines
7.4
Good
9,892 reviews
Alaska Airlines
7.9
Good
12,580 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
American Airlines
7.1
Good
11,769 reviews
Alaska Airlines
7.9
Good
12,580 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Frontier
5.6
Fair
2,864 reviews
Alaska Airlines
7.9
Good
12,580 reviews

Food

7.0

Overall

7.9

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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?

    Within the past month, 274 users have taken a look at flights from United States to Seattle/Tacoma Intl.

  • How long is the flight from USA to Seattle?

    Southwest, Delta, and Alaska Airlines can get you from USA to Seattle in just under 2h 10m. Your travel time can differ by up to 5h 10m. 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), Alaska Airlines ($42), and Southwest ($57).

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

    The most popular flight routes from USA to Seattle are San Francisco - Seattle/Tacoma Intl, Dallas/Fort Worth - Seattle/Tacoma Intl and Los Angeles - Seattle/Tacoma Intl.

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

    The top 3 most reliable airlines when flying from USA to Seattle are Horizon Air (100%), WestJet (93%) and Japan Airlines (89%).

  • What are the cheapest flights from USA to Seattle?

    The cheapest flight price from USA to Seattle is $108. On average you can expect to pay $761. The most popular route, (San Francisco - Seattle/Tacoma Intl), can usually be booked for $148.

  • 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, February is the cheapest month in which you can book a flight from USA to Seattle (average of $277). Flying from USA to Seattle in June is currently the most expensive (average of $429). 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
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Renton
Edmonds
Snoqualmie
Tumwater
Tukwila
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from USA to Seattle

Discover the top 9 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 Czerwiec 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$234FlexibilityNo cancel feeOn-time62%
DeltaCheapest$69Average$344FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$78Average$293FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$97Average$337FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$107Average$366FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$117Average$359FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$133Average$363FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$174Average$373FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$174Average$404FlexibilityNo cancel feeOn-time71%

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