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$38+ 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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This CheapOair deal was found by Cheapflights users on 12/12. 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.
Fri 12/191:25 pmSEA - LAX
1 stop26h 49mFrontier
Sat 1/102:00 pmLAX - SEA
Nonstop3h 04mFrontier
Deal found 12/12$136
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Wed 12/311:25 pmSEA - PHX
1 stop10h 04mMultiple Airlines
Tue 1/66:06 amPHX - SEA
Nonstop3h 19mMultiple Airlines
Deal found 12/13$153
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:24 pmSEA - PHX
Nonstop2h 54mMultiple Airlines
Sat 1/1710:30 amPHX - SEA
Nonstop3h 17mMultiple Airlines
Deal found 12/13$154
This Frontier deal was found by Cheapflights users on 12/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:06 amSEA - LAS
1 stop8h 05mFrontier
Thu 1/82:42 pmLAS - SEA
Nonstop2h 55mFrontier
Deal found 12/13$161
This CheapOair deal was found by Cheapflights users on 12/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmSEA - ONT
1 stop10h 34mFrontier
Mon 1/56:00 pmONT - SEA
1 stop23h 51mFrontier
Deal found 12/13$164
This Delta deal was found by Cheapflights users on 12/12. 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.
Wed 12/317:55 pmSEA - PHX
Nonstop3h 04mDelta
Tue 1/66:31 pmPHX - SEA
Nonstop3h 18mDelta
Deal found 12/12$167
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:46 pmSEA - LAS
Nonstop2h 37mFrontier
Thu 1/86:15 amLAS - SEA
Nonstop2h 49mFrontier
Deal found 12/14$167
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Wed 12/311:25 pmSEA - PHX
1 stop10h 04mFrontier
Tue 1/611:26 amPHX - SEA
1 stop7h 25mFrontier
Deal found 12/13$171
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Wed 12/312:46 pmSEA - LAS
Nonstop2h 37mFrontier
Fri 1/94:51 pmLAS - SEA
Nonstop2h 56mFrontier
Deal found 12/13$171
This Frontier deal was found by Cheapflights users on 12/12. 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 12/3011:06 amSEA - ONT
Nonstop2h 36mFrontier
Thu 1/85:15 pmONT - SEA
Nonstop2h 53mFrontier
Deal found 12/12$172
This Frontier deal was found by Cheapflights users on 12/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:06 amSEA - LAS
1 stop8h 05mFrontier
Tue 1/63:00 pmLAS - SEA
Nonstop2h 51mFrontier
Deal found 12/13$172
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Tue 12/3011:06 amSEA - LAS
1 stop8h 22mFrontier
Tue 1/63:00 pmLAS - SEA
Nonstop2h 51mFrontier
Deal found 12/13$179

Find flight deals from Seattle to USA

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

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$66
(Kiwi.com)

One-way from

$38
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$492

Good round-trip deal

$99 or less

Good one-way deal

$23 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-New York (NYC) flights.
Search Deals
From Seattle/Tacoma Intl to USA
Search Deals
One-way flight from Seattle/Tacoma Intl to USA
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to USA.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to USA.
Search Deals

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 December 15, 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

Wed 2/11

7:59 pm-10:35 pm

Nonstop2h 36m

Las Vegas Harry Reid Intl

Wed 2/18

6:00 am-8:50 am

Nonstop2h 50m

$97

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 1/13

8:45 am-11:15 am

Nonstop2h 30m

Las Vegas Harry Reid Intl

Fri 1/23

7:50 pm-10:35 pm

Nonstop2h 45m

$97

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 1/13

10:53 am-1:24 pm

Nonstop2h 31m

Las Vegas Harry Reid Intl

Sat 1/17

12:05 pm-2:57 pm

Nonstop2h 52m

$107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 2/23

6:20 am-8:50 am

Nonstop2h 30m

Las Vegas Harry Reid Intl

Thu 2/26

5:30 am-11:00 am

1 stop5h 30m

$107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 1/13

7:20 am-9:55 am

Nonstop2h 35m

Las Vegas Harry Reid Intl

Sat 1/17

11:00 am-1:54 pm

Nonstop2h 54m

$107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 2/5

6:20 am-8:50 am

Nonstop2h 30m

Las Vegas Harry Reid Intl

Tue 2/10

7:50 pm-10:35 pm

Nonstop2h 45m

$107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 1/12

10:10 am-4:30 pm

1 stop6h 20m

Las Vegas Harry Reid Intl

Wed 1/14

5:10 pm-11:05 pm

1 stop5h 55m

$116

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 1/18

5:15 am-11:55 am

1 stop6h 40m

Las Vegas Harry Reid Intl

Tue 1/20

11:00 am-6:35 pm

1 stop7h 35m

$116

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Tue 2/24

8:03 pm-11:59 pm

Nonstop2h 56m

Phoenix Sky Harbor Intl

Mon 3/2

7:18 pm-9:34 pm

Nonstop3h 16m

$117

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 3/4

7:55 pm-11:50 pm

Nonstop2h 55m

Phoenix Sky Harbor Intl

Wed 3/11

12:52 pm-4:01 pm

Nonstop3h 09m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 $38). Flying from Seattle to USA in July is currently the most expensive (average of $100). 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 December 15, 2025.

It’s optimal to fly from Seattle to USA in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at noon.

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

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

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

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 December 15, 2025.

The most flights from SEA to US0 are scheduled on a Monday (115 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (22 on average).

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

About 15% of weekly flights between Seattle and United States have experienced delays in the past year, with the average delay time being 138 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon 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 Seattle to the United States flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 11% of flights being delayed.

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 December 15, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines 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
11,452 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,452 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
9,092 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
11,051 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Frontier
5.8
Fair
3,080 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

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, 296 users have taken a look at flights from Seattle/Tacoma Intl to United States.

  • How long is the flight from Seattle to USA?

    For as low as $97, Delta can have you in USA from Seattle in 2h 30m. The distance between Seattle and USA is about 866 mi. All flights are typically nonstop.

  • 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 Alaska Airlines ($23), Spirit Airlines ($28), and Frontier ($29).

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

    While some choose either Seattle/Tacoma Intl - Los Angeles or Seattle/Tacoma Intl - Dallas/Fort Worth, Seattle/Tacoma Intl - Las Vegas Harry Reid Intl 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: SAUDIA (100%), ITA Airways (96%), Virgin Australia( 95%).

  • What are the cheapest flights from Seattle to USA?

    On average you can expect to pay $740 for a flight from Seattle to USA. The cheapest flight overall is $61 while the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl) is currently priced at $57.

  • 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 $38). Flying from Seattle to USA in July is currently the most expensive (average of $100). 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.

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Alternative routes for Seattle to USA

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$50Average$226FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$54Average$210FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$78Average$333FlexibilityNo cancel feeOn-time85%
DeltaCheapest$98Average$336FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$121Average$345FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$129Average$384FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$130Average$382FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$143Average$336FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$162Average$380FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$176Average$385FlexibilityNo cancel feeOn-time71%

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