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Cheap flights from Seattle to North America from $40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to North America departing on 12/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Frontier Logo
1:11 pm - 3:50 pmSEA-LAS
2h 39mnonstop
Frontier Logo
6:45 am - 9:34 amLAS-SEA
2h 49mnonstop
$77Frontier
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Mon, Feb 9 - Fri, Feb 13
Multiple Airlines Logo
7:28 pm - 10:00 pmSEA-LAS
2h 32mnonstop
Multiple Airlines Logo
8:45 am - 11:39 amLAS-SEA
2h 54mnonstop
$78Multiple Airlines
Find Deal
Wed, Feb 4 - Sat, Feb 7
Multiple Airlines Logo
6:26 pm - 9:00 pmSEA-LAS
2h 34mnonstop
Multiple Airlines Logo
10:55 am - 1:51 pmLAS-SEA
2h 56mnonstop
$79Multiple Airlines
Find Deal
Wed, Dec 17 - Wed, Dec 24
Delta Logo
7:10 am - 11:07 amSEA-PHX
2h 57mnonstop
Delta Logo
7:55 pm - 10:14 pmPHX-SEA
3h 19mnonstop
$97Delta
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Thu, Dec 11 - Mon, Dec 15
Delta Logo
5:25 am - 12:34 pmSEA-ONT
7h 09m1 stop
Delta Logo
5:49 pm - 8:49 pmONT-SEA
3h 00mnonstop
$129Delta
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Thu, Dec 11 - Mon, Dec 15
Alaska Airlines Logo
8:15 am - 10:59 amSEA-ONT
2h 44mnonstop
Alaska Airlines Logo
12:02 pm - 2:52 pmONT-SEA
2h 50mnonstop
$136Alaska Airlines
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Sun, Feb 8 - Sat, Feb 14
Alaska Airlines Logo
3:57 pm - 6:33 pmSEA-ONT
2h 36mnonstop
Alaska Airlines Logo
6:00 am - 8:57 amONT-SEA
2h 57mnonstop
$137Alaska Airlines
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Sat, Dec 13 - Mon, Dec 15
United Airlines Logo
8:40 am - 5:28 pmSEA-SNA
8h 48m1 stop
United Airlines Logo
11:05 am - 6:26 pmSNA-SEA
7h 21m1 stop
$179United Airlines
Find Deal
Mon, Jan 12 - Thu, Jan 15
United Airlines Logo
10:40 am - 8:44 pmSEA-EWR
7h 04m1 stop
United Airlines Logo
7:59 am - 11:16 amEWR-SEA
6h 17mnonstop
$203United Airlines
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Tue, Dec 9 - Thu, Dec 11
American Airlines Logo
7:35 am - 7:52 pmSEA-EWR
9h 17m1 stop
American Airlines Logo
7:00 am - 1:08 pmEWR-SEA
9h 08m1 stop
$211American Airlines
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Sat, Jan 17 - Tue, Jan 20

American Airlines flights from Seattle to North America

Our best American Airlines deals on Seattle to North America flight tickets
American Airlines
Jan 31
SEA7:52 pmSeattle/Tacoma Intl
2h 48m
LAX10:40 pmLos Angeles
Feb 1
LAX8:58 pmLos Angeles
3h 01m
SEA11:59 pmSeattle/Tacoma Intl
$158
Find similar
American Airlines
Nov 24
SEA5:24 amSeattle/Tacoma Intl
4h 00m
DFW11:24 amDallas/Fort Worth
Nov 27
DFW12:48 pmDallas/Fort Worth
4h 37m
SEA3:25 pmSeattle/Tacoma Intl
$177
Find similar
American Airlines
Nov 27
SEA6:05 amSeattle/Tacoma Intl
8h 21m
1 stop
PHX3:26 pmPhoenix Sky Harbor Intl
Dec 18
PHX7:00 amPhoenix Sky Harbor Intl
3h 27m
SEA9:27 amSeattle/Tacoma Intl
$202
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Delta flights from Seattle to North America

Our best Delta deals on Seattle to North America flight tickets
Delta
Dec 16
SEA12:10 pmSeattle/Tacoma Intl
2h 35m
LAS2:45 pmLas Vegas Harry Reid Intl
Dec 26
LAS6:00 amLas Vegas Harry Reid Intl
2h 53m
SEA8:53 amSeattle/Tacoma Intl
$97
Find similar
Delta
Jan 8
SEA5:59 pmSeattle/Tacoma Intl
2h 27m
LAS8:26 pmLas Vegas Harry Reid Intl
Jan 12
LAS11:00 amLas Vegas Harry Reid Intl
2h 54m
SEA1:54 pmSeattle/Tacoma Intl
$98
Find similar
Delta
Feb 15
SEA3:17 pmSeattle/Tacoma Intl
2h 47m
PHX7:04 pmPhoenix Sky Harbor Intl
Feb 20
PHX4:42 pmPhoenix Sky Harbor Intl
3h 16m
SEA6:58 pmSeattle/Tacoma Intl
$117
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momondo 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, momondo users made 832,500 searches. Data last updated November 19, 2025.
Use the filters below to find and compare flights from Seattle to North America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 2/9

1:11 pm-3:50 pm

Nonstop2h 39m

Las Vegas Harry Reid Intl

Fri 2/13

6:45 am-9:34 am

Nonstop2h 49m

$77

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 2/4

7:28 pm-10:00 pm

Nonstop2h 32m

Las Vegas Harry Reid Intl

Sat 2/7

8:45 am-11:39 am

Nonstop2h 54m

$78

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 12/17

6:26 pm-9:00 pm

Nonstop2h 34m

Las Vegas Harry Reid Intl

Wed 12/24

10:55 am-1:51 pm

Nonstop2h 56m

$79

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Thu 12/11

7:10 am-11:07 am

Nonstop2h 57m

Phoenix Sky Harbor Intl

Mon 12/15

7:55 pm-10:14 pm

Nonstop3h 19m

$97

SeattleOntario

SEA - ONT

SEAONT

Seattle/Tacoma Intl

Thu 12/11

5:25 am-12:34 pm

1 stop7h 09m

Ontario

Mon 12/15

5:49 pm-8:49 pm

Nonstop3h 00m

$129

SeattleOntario

SEA - ONT

SEAONT

Seattle/Tacoma Intl

Sun 2/8

8:15 am-10:59 am

Nonstop2h 44m

Ontario

Sat 2/14

12:02 pm-2:52 pm

Nonstop2h 50m

$136

SeattleOntario

SEA - ONT

SEAONT

Seattle/Tacoma Intl

Sat 12/13

3:57 pm-6:33 pm

Nonstop2h 36m

Ontario

Mon 12/15

6:00 am-8:57 am

Nonstop2h 57m

$137

SeattleSanta Ana

SEA - SNA

SEASNA

Seattle/Tacoma Intl

Mon 1/12

8:40 am-5:28 pm

1 stop8h 48m

Santa Ana J. Wayne/Orange Cnty

Thu 1/15

11:05 am-6:26 pm

1 stop7h 21m

$179

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 12/9

10:40 am-8:44 pm

1 stop7h 04m

Newark

Thu 12/11

7:59 am-11:16 am

Nonstop6h 17m

$203

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 1/17

7:35 am-7:52 pm

1 stop9h 17m

Newark

Tue 1/20

7:00 am-1:08 pm

1 stop9h 08m

$211

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to North America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to North America?

The month of September is, on average, the cheapest month to fly to North America from Seattle, with most prices found around $297. If you are unable to visit North America during the month of September, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around $297.

What is the cheapest day to depart on your flight to North America?

The cheapest day to depart from Seattle to North America is on a Wednesday. Travelers who choose to depart for North America on a Wednesday will often find tickets for as low as $411. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to North America on Sunday is $559.

What is the cheapest time of day to depart on your flight to North America?

The cheapest time of day to fly to North America is in the afternoon when flights can be purchased for as low as $376. Try not to purchase tickets in the morning because they tend to be around $492. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seattle/Tacoma Intl to North America flight route?

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - North America flight prices

How far in advance should I book a flight to North America?

You are more likely to see cheaper flights to North America from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to North America for around $403 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to North America from Seattle for as low as $318 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to North America flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to North America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to North America flights?

No. A direct flight is the cheapest option for a flight between Seattle to North America.

Cheap Seattle to North America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to North America

Best Price Found

$57

Fastest flight time

2h 25m

Direct flights

Every day

Airports in North America

3 airports
The best one-way flight to North America from Seattle in the past 72 hours is $57. The best round-trip flight deal from Seattle to North America found on momondo in the last 72 hours is $108.
The fastest flight from Seattle to North America takes 2h 25m
Direct flights go from Seattle to North America every day.
There are 3 airports near North America: Los Angeles (LAX), Ontario (ONT), Las Vegas Harry Reid Intl (LAS)
Search flight deals

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to North America?

    Prices for flights from Seattle/Tacoma Intl Airport to North America refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to North America?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to North America?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to North America.

  • What documentation or ID do you need to fly to North America?

    The travel and health documents you'll need for your trip to North America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at North America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to North America?

Best airlines flying from Seattle to North America

Compare and see reviews for airlines that fly from Seattle to North America with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $48Free CancellationRating
5.8
3,106 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $55Free CancellationRating
6.3
8,153 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,811 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $100Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $123Free CancellationRating
7.4
9,027 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $135Free CancellationRating
8.0
11,321 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $135Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
JetBluePriceFrom $138Free CancellationRating
7.2
2,902 reviews
Search JetBlue flights
Sun Country AirPriceFrom $162Free CancellationRating
6.9
334 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to North America?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to North America. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to North America with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to North America flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to North America?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to North America from Seattle.

I’m not ready to book a flight from Seattle to North America right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to North America now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to North America and let you know when they change.

An easier way to manage your North America trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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