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$69+ Cheap flights from Seattle (SEA) to the United States

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Seattle to USA

Keep the following information in mind while searching for Seattle to USA flight deals. Data was last updated July 31, 2025.

Round-trip from

$115
(FlightHub)

One-way from

$69
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$447

Good round-trip deal

$136 or less

Good one-way deal

$97 or less
From Seattle/Tacoma Intl to USA
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One-way flight from Seattle/Tacoma Intl to USA
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to USA.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to USA.
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Find flight deals from Seattle to USA

Cheapest flights from Seattle to USA
Explore the most affordable flight options available from Seattle to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/30. 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.
Mon 9/151:47 pmSEA - LAS
Nonstop2h 42mFrontier
Thu 9/1812:32 pmLAS - SEA
Nonstop2h 59mFrontier
Deal found 7/30$115
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Tue 8/125:30 pmSEA - LAS
Nonstop2h 28mMultiple Airlines
Fri 8/2911:48 amLAS - SEA
Nonstop2h 52mMultiple Airlines
Deal found 7/29$119
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Mon 8/115:30 pmSEA - LAS
Nonstop2h 28mSpirit Airlines
Tue 8/121:40 pmLAS - SEA
Nonstop2h 45mSpirit Airlines
Deal found 7/28$122
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/136:50 pmSEA - LAS
Nonstop2h 38mHawaiian Airlines
Sat 9/209:21 pmLAS - SEA
Nonstop2h 47mHawaiian Airlines
Deal found 7/31$135
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/238:08 pmSEA - SFO
Nonstop2h 15mHawaiian Airlines
Sun 8/246:00 amSFO - SEA
Nonstop2h 07mHawaiian Airlines
Deal found 7/31$141
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/137:50 amSEA - LAS
Nonstop2h 55mAlaska Airlines
Sat 9/132:05 pmLAS - SEA
Nonstop2h 49mAlaska Airlines
Deal found 7/30$143
This Frontier deal was found by Cheapflights users on 7/31. 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 10/316:23 pmSEA - LAX
Nonstop2h 49mFrontier
Sat 11/19:31 pmLAX - SEA
Nonstop2h 56mFrontier
Deal found 7/31$145
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/139:39 pmSEA - LAX
Nonstop2h 50mMultiple Airlines
Sat 9/207:00 amLAX - SEA
1 stop7h 26mMultiple Airlines
Deal found 7/30$146
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 8/239:31 pmSEA - SFO
Nonstop2h 12mDelta
Sun 8/245:55 amSFO - SEA
Nonstop2h 10mDelta
Deal found 7/30$146
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 8/201:40 pmSEA - SFO
Nonstop2h 12mAlaska Airlines
Wed 8/278:00 amSFO - SEA
1 stop6h 26mAlaska Airlines
Deal found 7/31$147
This Delta deal was found by Cheapflights users on 7/31. 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 9/210:05 amSEA - LAS
Nonstop2h 44mDelta
Fri 9/51:45 pmLAS - SEA
Nonstop2h 42mDelta
Deal found 7/31$149
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/177:00 amSEA - LAX
Nonstop2h 47mAlaska Airlines
Wed 9/1712:51 pmLAX - SEA
1 stop4h 39mAlaska Airlines
Deal found 7/31$151

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to USA 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 July 31, 2025.
Use the filters below to find and compare flights from Seattle to the United States that are best for you.

Fly from

Seattle

Fly to

USA

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 9/15

1:47 pm-4:29 pm

Nonstop2h 42m

Las Vegas Harry Reid Intl

Thu 9/18

12:32 pm-3:31 pm

Nonstop2h 59m

$115

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 8/12

5:30 pm-7:58 pm

Nonstop2h 28m

Las Vegas Harry Reid Intl

Fri 8/29

11:48 am-2:40 pm

Nonstop2h 52m

$119

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 8/11

5:30 pm-7:58 pm

Nonstop2h 28m

Las Vegas Harry Reid Intl

Tue 8/12

1:40 pm-4:25 pm

Nonstop2h 45m

$122

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 9/13

6:50 pm-9:28 pm

Nonstop2h 38m

Las Vegas Harry Reid Intl

Sat 9/20

9:21 pm-12:08 am

Nonstop2h 47m

$135

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 8/23

8:08 pm-10:23 pm

Nonstop2h 15m

San Francisco

Sun 8/24

6:00 am-8:07 am

Nonstop2h 07m

$141

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 9/13

7:50 am-10:45 am

Nonstop2h 55m

Las Vegas Harry Reid Intl

Sat 9/13

2:05 pm-4:54 pm

Nonstop2h 49m

$143

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 10/31

6:23 pm-9:12 pm

Nonstop2h 49m

Los Angeles

Sat 11/1

9:31 pm-12:27 am

Nonstop2h 56m

$145

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 8/23

9:31 pm-11:43 pm

Nonstop2h 12m

San Francisco

Sun 8/24

5:55 am-8:05 am

Nonstop2h 10m

$146

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 9/13

9:39 pm-12:29 am

Nonstop2h 50m

Los Angeles

Sat 9/20

7:00 am-2:26 pm

1 stop7h 26m

$146

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 8/20

1:40 pm-3:52 pm

Nonstop2h 12m

San Francisco

Wed 8/27

8:00 am-2:26 pm

1 stop6h 26m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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

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

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

Currently, January is the cheapest month in which you can book a flight from Seattle to USA (average of $246). Flying from Seattle to USA in March is currently the most expensive (average of $326). 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 SEA to US?

Find hourly flight availability from Seattle to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

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

Weekly flight availability from Seattle to USA

Explore weekly flight availability from Seattle to USA. 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 July 31, 2025.

The most flights from SEA to US0 are scheduled on a Thursday (141 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (50 on average).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated July 31, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Seattle to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to USA. 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 from for flights from Seattle to United States?

    If you book a flight to United States from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How popular is this Seattle to USA flight route?

    Within the past month, 295 users have taken a look at flights from Seattle/Tacoma Intl to United States.

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

    The cheapest airlines for a one-way flight from Seattle to USA are Frontier ($69), Hawaiian Airlines ($71), and Delta ($75).

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

    While some choose either Seattle/Tacoma Intl - Las Vegas Harry Reid Intl or Seattle/Tacoma Intl - Chicago O'Hare Intl, Seattle/Tacoma Intl - San Francisco is the most popular route from Seattle to USA.

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

    Before booking your flight to USA from Seattle, check out the most reliable airlines to get you to your destination on time: China Eastern (97%), Air France (95%), ITA Airways( 92%).

  • What are the cheapest flights from Seattle to USA?

    On average you can expect to pay $1,133 for a flight from Seattle to USA. The cheapest flight overall is $92 while the most popular route, (Seattle/Tacoma Intl - San Francisco) is currently priced at $103.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to USA (average of $246). Flying from Seattle to USA in March is currently the most expensive (average of $326). 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

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Alternative routes for Seattle to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Seattle to USA

Discover the top 10 airlines that operate flights from Seattle to USA. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$43Average$214FlexibilityNo cancel feeOn-time65%
FrontierCheapest$44Average$203FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$78Average$335FlexibilityNo cancel feeOn-time85%
DeltaCheapest$97Average$332FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$120Average$360FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$126Average$386FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$130Average$385FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$136Average$338FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$157Average$420FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$162Average$378FlexibilityNo cancel feeOn-time83%

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