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$67+ Cheap flights from Seattle (SEA) to North America

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
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Cheap flight deals from Seattle to North America

Keep the following information in mind while searching for Seattle to North America flight deals. Data was last updated August 19, 2025.

Round-trip from

$100
(Cheapflightsfares)

One-way from

$67
(Frontier)

Popular in

December

Cheapest in

January

Average price

$416

Good round-trip deal

$107 or less

Good one-way deal

$57 or less
From Seattle/Tacoma Intl to North America
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One-way flight from Seattle/Tacoma Intl to North America
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Highest demand for flights based on searches. 3% potential increase in price ($15 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 August 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to North America.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to North America.
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Find flight deals from Seattle to North America

Cheapest flights from Seattle to North America
Explore the most affordable flight options available from Seattle to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 9/48:31 pmSEA - PHX
Nonstop3h 00mFrontier
Mon 9/82:15 pmPHX - SEA
Nonstop3h 18mFrontier
Deal found 8/17$100
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 9/48:31 pmSEA - PHX
Nonstop3h 00mFrontier
Sun 9/72:15 pmPHX - SEA
Nonstop3h 18mFrontier
Deal found 8/17$101
This Frontier deal was found by Cheapflights users on 8/18. 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 9/48:31 pmSEA - PHX
Nonstop3h 00mFrontier
Thu 9/112:15 pmPHX - SEA
Nonstop3h 18mFrontier
Deal found 8/18$102
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 9/258:31 pmSEA - PHX
Nonstop3h 00mFrontier
Sun 9/286:05 amPHX - SEA
Nonstop3h 15mFrontier
Deal found 8/19$105
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Sun 9/144:36 pmSEA - DEN
1 stop5h 50mFrontier
Wed 9/178:55 pmDEN - SEA
Nonstop3h 04mFrontier
Deal found 8/18$105
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 9/67:00 amSEA - DEN
Nonstop2h 53mFrontier
Sun 9/710:29 pmDEN - SEA
Nonstop3h 01mFrontier
Deal found 8/19$106
This Frontier deal was found by Cheapflights users on 8/19. 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 9/188:31 pmSEA - PHX
Nonstop3h 00mFrontier
Sun 9/216:05 amPHX - SEA
Nonstop3h 15mFrontier
Deal found 8/19$107
This Frontier deal was found by Cheapflights users on 8/16. 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.
Mon 9/228:31 pmSEA - PHX
Nonstop3h 00mFrontier
Sun 9/286:05 amPHX - SEA
Nonstop3h 15mFrontier
Deal found 8/16$108
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 11/142:22 pmSEA - DEN
Nonstop2h 51mFrontier
Mon 11/1710:00 amDEN - SEA
Nonstop3h 13mFrontier
Deal found 8/19$108
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Fri 9/58:31 pmSEA - PHX
Nonstop3h 00mFrontier
Sun 9/72:15 pmPHX - SEA
Nonstop3h 18mFrontier
Deal found 8/19$109
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
Sun 9/148:35 pmSEA - PHX
Nonstop3h 00mFrontier
Sun 9/216:05 amPHX - SEA
Nonstop3h 15mFrontier
Deal found 8/17$110
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
Sun 9/146:12 amSEA - DEN
Nonstop2h 56mFrontier
Fri 9/1910:29 pmDEN - SEA
Nonstop3h 01mFrontier
Deal found 8/19$110

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to North America 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 August 19, 2025.
Use the filters below to find and compare flights from Seattle to North America that are best for you.

Fly from

Seattle

Fly to

North America

Route

Depart

Return

Price

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sun 9/28

4:36 pm-11:26 pm

1 stop5h 50m

Denver Intl

Wed 10/1

8:55 pm-10:59 pm

Nonstop3h 04m

$105

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Thu 10/30

7:17 pm-3:59 am

1 stop7h 42m

Denver Intl

Wed 11/5

10:00 am-12:13 pm

Nonstop3h 13m

$106

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sat 9/6

7:00 am-10:53 am

Nonstop2h 53m

Denver Intl

Sun 9/7

10:29 pm-12:30 am

Nonstop3h 01m

$107

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Thu 9/4

6:12 am-10:08 am

Nonstop2h 56m

Denver Intl

Sat 9/6

6:33 pm-8:39 pm

Nonstop3h 06m

$107

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sat 9/6

7:00 am-10:53 am

Nonstop2h 53m

Denver Intl

Mon 9/8

10:29 pm-12:30 am

Nonstop3h 01m

$107

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Wed 9/17

7:00 am-10:53 am

Nonstop2h 53m

Denver Intl

Wed 9/17

8:55 pm-10:59 pm

Nonstop3h 04m

$110

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Fri 9/12

6:12 am-10:08 am

Nonstop2h 56m

Denver Intl

Fri 9/19

10:29 pm-12:30 am

Nonstop3h 01m

$110

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 10/1

7:00 am-11:33 pm

1 stop16h 33m

Las Vegas Harry Reid Intl

Fri 10/3

12:46 pm-3:45 pm

Nonstop2h 59m

$112

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Tue 11/4

12:58 pm-4:57 pm

Nonstop2h 59m

Denver Intl

Sun 11/9

6:00 am-1:37 pm

1 stop8h 37m

$112

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 10/20

6:39 pm-9:22 pm

Nonstop2h 43m

Las Vegas Harry Reid Intl

Wed 10/22

2:00 pm-4:47 pm

Nonstop2h 47m

$113

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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

Have a flexible travel schedule? Discover the best time to fly to North America 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 North America

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

Currently, January is the cheapest month in which you can book a flight from Seattle to North America (average of $246). Flying from Seattle to North America 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 NA?

Find hourly flight availability from Seattle to North America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 19, 2025.

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

Weekly flight availability from Seattle to North America

Explore weekly flight availability from Seattle to North America. 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 August 19, 2025.

The most flights from SEA to 0NA are scheduled on a Monday (141 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (41 on average).

Reviews of airlines servicing North America

Get insights into the airlines that provide service to North America. 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 North America. Reviews last updated August 19, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Seattle to North America 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

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

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

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

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

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

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
8,922 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

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.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

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.
Frontier
5.8
Fair
3,211 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

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 North America. 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 North America?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to North America from Seattle.

  • How popular is this Seattle to North America flight route?

    The Seattle/Tacoma Intl to North America flight path was viewed by 308 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to North America?

    There are many flights that can get you from Seattle to North America in 2h 52m. Fly via Frontier, Southwest, or Delta to get the fastest option. The distance between Seattle and North America is about 1051 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $67 on Frontier. Other airlines that offer cheap prices include Delta from $79 and Hawaiian Airlines from $79 one-way.

  • What are the most popular routes from Seattle to North America?

    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 North America.

  • What are the most reliable airlines from Seattle to North America?

    The top 3 most reliable airlines when flying from Seattle to North America are China Eastern (97%), SAUDIA (92%) and Japan Airlines (92%).

  • What are the cheapest flights from Seattle to North America?

    On average you can expect to pay $496 for a flight from Seattle to North America. The cheapest flight overall is $91 while the most popular route, (Seattle/Tacoma Intl - Las Vegas Harry Reid Intl) is currently priced at $104.

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

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

  • How can I find direct flights from Seattle to North America?

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

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

    Yes. Cheapflights offers flight deals from Seattle to North America 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 North America?

    Currently, January is the cheapest month in which you can book a flight from Seattle to North America (average of $246). Flying from Seattle to North America 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 North America

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 North America

Discover the top 10 airlines that operate flights from Seattle to North America. 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 August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$44Average$215FlexibilityNo cancel feeOn-time65%
FrontierCheapest$45Average$202FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$78Average$318FlexibilityNo cancel feeOn-time85%
DeltaCheapest$97Average$330FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$119Average$352FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$128Average$359FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$128Average$388FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$129Average$457FlexibilityNo cancel feeOn-time67%
JetBlueCheapest$132Average$338FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$157Average$422FlexibilityNo cancel feeOn-time71%

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