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Cheap flights from Seattle to North America from $37

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 1/7. 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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Find the cheapest flights from Seattle to North America

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:33 pm - 9:08 pm
SEA
-
LAS
2h 35mnonstop
Frontier Logo
4:51 pm - 7:47 pm
LAS
-
SEA
2h 56mnonstop
$67Frontier
Fri, Jan 2 - Fri, Jan 9
Frontier Logo
6:33 pm - 9:08 pm
SEA
-
LAS
2h 35mnonstop
Frontier Logo
4:51 pm - 7:47 pm
LAS
-
SEA
2h 56mnonstop
$68Frontier
Fri, Jan 2 - Fri, Jan 9
Alaska Airlines Logo
6:54 pm - 10:46 pm
SEA
-
PHX
2h 52mnonstop
Alaska Airlines Logo
9:00 am - 11:19 am
PHX
-
SEA
3h 19mnonstop
$94Alaska Airlines
Sun, Jan 11 - Thu, Jan 15
Delta Logo
11:50 am - 3:45 pm
SEA
-
PHX
2h 55mnonstop
Delta Logo
6:20 am - 8:37 am
PHX
-
SEA
3h 17mnonstop
$97Delta
Wed, Jan 14 - Sun, Jan 18
Delta Logo
7:55 pm - 11:54 pm
SEA
-
PHX
2h 59mnonstop
Delta Logo
6:31 pm - 8:49 pm
PHX
-
SEA
3h 18mnonstop
$102Delta
Fri, Jan 9 - Wed, Jan 14
Alaska Airlines Logo
8:56 pm - 11:32 pm
SEA
-
ONT
2h 36mnonstop
Alaska Airlines Logo
6:14 am - 9:09 am
ONT
-
SEA
2h 55mnonstop
$137Alaska Airlines
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
6:00 am - 11:55 am
SEA
-
DFW
3h 55mnonstop
American Airlines Logo
7:10 am - 9:37 am
DFW
-
SEA
4h 27mnonstop
$184American Airlines
Fri, Jan 9 - Mon, Jan 12
American Airlines Logo
5:23 am - 11:24 am
SEA
-
DFW
4h 01mnonstop
American Airlines Logo
3:20 pm - 5:45 pm
DFW
-
SEA
4h 25mnonstop
$186American Airlines
Fri, Jan 2 - Wed, Jan 14
United Airlines Logo
8:40 am - 7:17 pm
SEA
-
EWR
7h 37m1 stop
United Airlines Logo
12:42 pm - 6:14 pm
EWR
-
SEA
8h 32m1 stop
$212United Airlines
Wed, Jan 7 - Tue, Jan 13
United Airlines Logo
8:40 am - 7:17 pm
SEA
-
EWR
7h 37m1 stop
United Airlines Logo
4:29 pm - 10:43 pm
EWR
-
SEA
9h 14m1 stop
$213United Airlines
Wed, Jan 7 - Mon, Jan 12

United Airlines flights from Seattle to North America

Our best United Airlines deals on Seattle to North America flight tickets
United Airlines
Jan 13
SEA12:24 pmSeattle/Tacoma Intl
2h 59m
LAX3:23 pmLos Angeles
Jan 20
LAX4:15 pmLos Angeles
4h 57m
1 stop
SEA9:12 pmSeattle/Tacoma Intl
$140
Find similar
United Airlines
Dec 14
SEA11:50 pmSeattle/Tacoma Intl
5h 09m
EWR7:59 amNewark
Dec 15
EWR7:25 pmNewark
6h 13m
SEA10:38 pmSeattle/Tacoma Intl
$292
Find similar
United Airlines
Dec 14
SEA7:00 amSeattle/Tacoma Intl
7h 47m
1 stop
EWR5:47 pmNewark
Dec 15
EWR7:25 pmNewark
6h 13m
SEA10:38 pmSeattle/Tacoma Intl
$302
Find similar

Alaska Airlines flights from Seattle to North America

Our best Alaska Airlines deals on Seattle to North America flight tickets
Alaska Airlines
Jan 11
SEA8:07 pmSeattle/Tacoma Intl
2h 52m
PHX11:59 pmPhoenix Sky Harbor Intl
Jan 14
PHX3:17 pmPhoenix Sky Harbor Intl
3h 16m
SEA5:33 pmSeattle/Tacoma Intl
$104
Find similar
Alaska Airlines
Jan 4
SEA8:05 pmSeattle/Tacoma Intl
2h 54m
PHX11:59 pmPhoenix Sky Harbor Intl
Jan 15
PHX3:17 pmPhoenix Sky Harbor Intl
3h 16m
SEA5:33 pmSeattle/Tacoma Intl
$124
Find similar
Alaska Airlines
Jan 13
SEA6:54 pmSeattle/Tacoma Intl
2h 52m
PHX10:46 pmPhoenix Sky Harbor Intl
Jan 22
PHX1:51 pmPhoenix Sky Harbor Intl
6h 14m
1 stop
SEA7:05 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 December 4, 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 1/2

6:33 pm-9:08 pm

Nonstop2h 35m

Las Vegas Harry Reid Intl

Fri 1/9

4:51 pm-7:47 pm

Nonstop2h 56m

$67

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 1/2

6:33 pm-9:08 pm

Nonstop2h 35m

Las Vegas Harry Reid Intl

Fri 1/9

4:51 pm-7:47 pm

Nonstop2h 56m

$68

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sun 1/11

6:54 pm-10:46 pm

Nonstop2h 52m

Phoenix Sky Harbor Intl

Thu 1/15

9:00 am-11:19 am

Nonstop3h 19m

$94

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 1/14

11:50 am-3:45 pm

Nonstop2h 55m

Phoenix Sky Harbor Intl

Sun 1/18

6:20 am-8:37 am

Nonstop3h 17m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 1/9

7:55 pm-11:54 pm

Nonstop2h 59m

Phoenix Sky Harbor Intl

Wed 1/14

6:31 pm-8:49 pm

Nonstop3h 18m

$102

SeattleOntario

SEA - ONT

SEAONT

Seattle/Tacoma Intl

Thu 3/5

8:56 pm-11:32 pm

Nonstop2h 36m

Ontario

Mon 3/9

6:14 am-9:09 am

Nonstop2h 55m

$137

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 1/9

6:00 am-11:55 am

Nonstop3h 55m

Dallas/Fort Worth

Mon 1/12

7:10 am-9:37 am

Nonstop4h 27m

$184

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 1/2

5:23 am-11:24 am

Nonstop4h 01m

Dallas/Fort Worth

Wed 1/14

3:20 pm-5:45 pm

Nonstop4h 25m

$186

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 1/7

8:40 am-7:17 pm

1 stop7h 37m

Newark

Tue 1/13

12:42 pm-6:14 pm

1 stop8h 32m

$212

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 1/7

8:40 am-7:17 pm

1 stop7h 37m

Newark

Mon 1/12

4:29 pm-10:43 pm

1 stop9h 14m

$213

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 $403. 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 $543.

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 $371. Try not to purchase tickets in the morning because they tend to be around $482. 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 San Francisco 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 $404 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 $317 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

$69

Fastest flight time

0h 50m

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 $69. The best round-trip flight deal from Seattle to North America found on momondo in the last 72 hours is $99.
The fastest flight from Seattle to North America takes 0h 50m
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 $49Free CancellationRating
5.8
3,092 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $75Free CancellationRating
6.3
8,160 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $100Free CancellationRating
7.8
2,815 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $113Free CancellationRating
7.9
8,010 reviews
Search Delta flights
United AirlinesPriceFrom $124Free CancellationRating
7.4
9,062 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $133Free CancellationRating
8.0
11,396 reviews
Search Alaska Airlines flights
JetBluePriceFrom $141Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
Air CanadaPriceFrom $151Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
SouthwestPriceFrom $153Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
Sun Country AirPriceFrom $162Free CancellationRating
6.9
332 reviews
Search Sun Country Air 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.
Start using Trips
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