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Cheap flights from Seattle to North America from $48

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 1/20. 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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0 bags

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Cheap round-trip flights

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Frontier Logo
9:53 pm - 12:31 amSEA-LAS
2h 38mnonstop
Frontier Logo
10:24 am - 1:22 pmLAS-SEA
2h 58mnonstop
$86Frontier
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Fri, Nov 21 - Sat, Nov 22
Frontier Logo
6:18 pm - 8:53 pmSEA-LAS
2h 35mnonstop
Frontier Logo
8:13 pm - 5:23 pmLAS-SEA
21h 10m1 stop
$87Frontier
Find Deal
Sun, Dec 7 - Thu, Dec 11
Alaska Airlines Logo
10:53 am - 1:24 pmSEA-LAS
2h 31mnonstop
Alaska Airlines Logo
12:05 pm - 2:57 pmLAS-SEA
2h 52mnonstop
$96Alaska Airlines
Find Deal
Tue, Jan 13 - Wed, Jan 14
Alaska Airlines Logo
8:09 pm - 12:05 amSEA-PHX
2h 56mnonstop
Alaska Airlines Logo
7:14 pm - 9:30 pmPHX-SEA
3h 16mnonstop
$116Alaska Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Delta Logo
7:10 am - 11:08 amSEA-PHX
2h 58mnonstop
Delta Logo
4:42 pm - 6:55 pmPHX-SEA
3h 13mnonstop
$117Delta
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Fri, Jan 16 - Sun, Jan 25
Delta Logo
10:15 am - 12:54 pmSEA-LAS
2h 39mnonstop
Delta Logo
2:10 pm - 4:54 pmLAS-SEA
2h 44mnonstop
$117Delta
Find Deal
Sat, Dec 13 - Tue, Dec 16
American Airlines Logo
6:00 am - 8:55 amSEA-LAX
2h 55mnonstop
American Airlines Logo
4:23 pm - 7:22 pmLAX-SEA
2h 59mnonstop
$139American Airlines
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Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
1:05 pm - 6:28 pmSEA-SAN
5h 23m1 stop
United Airlines Logo
11:02 am - 6:32 pmSAN-SEA
7h 30m2 stops
$183United Airlines
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Sat, Dec 13 - Tue, Dec 16
United Airlines Logo
1:05 pm - 7:52 pmSEA-SAN
6h 47m2 stops
United Airlines Logo
1:05 pm - 6:32 pmSAN-SEA
5h 27m1 stop
$184United Airlines
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Mon, Dec 8 - Thu, Dec 11
American Airlines Logo
12:59 am - 6:48 amSEA-DFW
3h 49mnonstop
American Airlines Logo
1:09 pm - 3:34 pmDFW-SEA
4h 25mnonstop
$187American Airlines
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Mon, Dec 29 - Fri, Jan 9

American Airlines flights from Seattle to North America

Our best American Airlines deals on Seattle to North America flight tickets
American Airlines
Jan 24
SEA6:00 amSeattle/Tacoma Intl
2h 55m
LAX8:55 amLos Angeles
Jan 31
LAX4:23 pmLos Angeles
2h 59m
SEA7:22 pmSeattle/Tacoma Intl
$139
Find similar
American Airlines
Dec 29
SEA12:59 amSeattle/Tacoma Intl
3h 49m
DFW6:48 amDallas/Fort Worth
Jan 9
DFW1:09 pmDallas/Fort Worth
4h 25m
SEA3:34 pmSeattle/Tacoma Intl
$187
Find similar
American Airlines
Nov 10
SEA12:41 amSeattle/Tacoma Intl
11h 42m
1 stop
CUN3:23 pmCancun
Nov 18
CUN1:10 pmCancun
13h 16m
1 stop
SEA11:26 pmSeattle/Tacoma Intl
$442
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Alaska Airlines flights from Seattle to North America

Our best Alaska Airlines deals on Seattle to North America flight tickets
Alaska Airlines
Jan 13
SEA10:53 amSeattle/Tacoma Intl
2h 31m
LAS1:24 pmLas Vegas Harry Reid Intl
Jan 14
LAS12:05 pmLas Vegas Harry Reid Intl
2h 52m
SEA2:57 pmSeattle/Tacoma Intl
$96
Find similar
Alaska Airlines
Dec 4
SEA8:09 pmSeattle/Tacoma Intl
2h 56m
PHX12:05 amPhoenix Sky Harbor Intl
Dec 8
PHX7:14 pmPhoenix Sky Harbor Intl
3h 16m
SEA9:30 pmSeattle/Tacoma Intl
$116
Find similar
Alaska Airlines
Mar 10
SEA4:15 pmSeattle/Tacoma Intl
2h 56m
PHX7:11 pmPhoenix Sky Harbor Intl
Mar 17
PHX9:45 amPhoenix Sky Harbor Intl
3h 00m
SEA12:45 pmSeattle/Tacoma Intl
$134
Find similar

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 5, 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

Fri 11/21

9:53 pm-12:31 am

Nonstop2h 38m

Las Vegas Harry Reid Intl

Sat 11/22

10:24 am-1:22 pm

Nonstop2h 58m

$86

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 12/7

6:18 pm-8:53 pm

Nonstop2h 35m

Las Vegas Harry Reid Intl

Thu 12/11

8:13 pm-5:23 pm

1 stop21h 10m

$87

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 1/13

10:53 am-1:24 pm

Nonstop2h 31m

Las Vegas Harry Reid Intl

Wed 1/14

12:05 pm-2:57 pm

Nonstop2h 52m

$96

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Thu 12/4

8:09 pm-12:05 am

Nonstop2h 56m

Phoenix Sky Harbor Intl

Mon 12/8

7:14 pm-9:30 pm

Nonstop3h 16m

$116

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 1/16

7:10 am-11:08 am

Nonstop2h 58m

Phoenix Sky Harbor Intl

Sun 1/25

4:42 pm-6:55 pm

Nonstop3h 13m

$117

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sat 12/13

10:15 am-12:54 pm

Nonstop2h 39m

Las Vegas Harry Reid Intl

Tue 12/16

2:10 pm-4:54 pm

Nonstop2h 44m

$117

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 1/24

6:00 am-8:55 am

Nonstop2h 55m

Los Angeles

Sat 1/31

4:23 pm-7:22 pm

Nonstop2h 59m

$139

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sat 12/13

1:05 pm-6:28 pm

1 stop5h 23m

San Diego

Tue 12/16

11:02 am-6:32 pm

2 stops7h 30m

$183

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Mon 12/8

1:05 pm-7:52 pm

2 stops6h 47m

San Diego

Thu 12/11

1:05 pm-6:32 pm

1 stop5h 27m

$184

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 12/29

12:59 am-6:48 am

Nonstop3h 49m

Dallas/Fort Worth

Fri 1/9

1:09 pm-3:34 pm

Nonstop4h 25m

$187

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 $317.

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 $408 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 $315 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 26m

Direct flights

Every day

Airports in North America

2 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 26m
Direct flights go from Seattle to North America every day.
There are 2 airports near North America: 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
3,115 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $55Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,800 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $100Free CancellationRating
7.9
8,004 reviews
Search Delta flights
SouthwestPriceFrom $119Free CancellationRating
8.0
4,239 reviews
Search Southwest flights
United AirlinesPriceFrom $123Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $135Free CancellationRating
8.0
11,241 reviews
Search Alaska Airlines flights
JetBluePriceFrom $138Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
Sun Country AirPriceFrom $162Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,039 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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