What is the cheapest airline that flies from Seattle/Tacoma Intl to North America?

Frontier, Delta, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to North America

What airlines fly to North America?

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to North America from Seattle according to our data. Alaska Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to North America. Keep in mind that there are 10 different airlines that fly to North America on a routine basis, so you have a few additional options to choose from.

How many flights depart from Seattle to North America on average per week?

2,137 flights are operational weekly from Seattle to North America as of March 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.

How many flights depart from Seattle to North America on average per day?

As of March 2026, 305 flights take off from Seattle and land in North America each day. The most common flight departure time for this route is 7:00AM, with 44% of daily flights taking off at noon.

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?

The number of operators available for flights from Seattle/Tacoma Intl Airport to North America is 10 as of March 2026.

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.

$53 Cheap Flights from Seattle to North America in 2026

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Find the cheapest flights from Seattle to North America

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:12 am - 2:04 pm

SEA

LAX

2h 52mnonstop

3:15 pm - 6:35 pm

LAX

SEA

3h 20mnonstop

$96Frontier

週日, 5月 3 - 週二, 5月 5

11:21 am - 2:18 pm

SEA

LAX

2h 57mnonstop

3:15 pm - 6:35 pm

LAX

SEA

3h 20mnonstop

$97Frontier

週六, 5月 23 - 週一, 6月 1

1:47 pm - 4:50 pm

SEA

PHX

3h 03mnonstop

5:00 am - 8:10 am

PHX

SEA

3h 10mnonstop

$130Alaska Airlines

週一, 5月 4 - 週一, 5月 11

7:00 am - 9:22 am

SEA

SFO

2h 22mnonstop

2:57 pm - 5:16 pm

SFO

SEA

2h 19mnonstop

$135Delta

週二, 4月 21 - 週二, 4月 21

8:42 am - 11:01 am

SEA

SFO

2h 19mnonstop

6:25 pm - 8:57 pm

SFO

SEA

2h 32mnonstop

$137United Airlines

週六, 4月 18 - 週三, 4月 22

6:26 am - 9:15 am

SEA

SAN

2h 49mnonstop

6:19 pm - 9:30 pm

SAN

SEA

3h 11mnonstop

$139Alaska Airlines

週五, 5月 29 - 週三, 6月 3

7:37 pm - 9:50 pm

SEA

SFO

2h 13mnonstop

8:15 am - 10:39 am

SFO

SEA

2h 24mnonstop

$144United Airlines

週二, 4月 14 - 週一, 4月 20

11:15 am - 2:05 pm

SEA

SAN

2h 50mnonstop

5:55 pm - 10:30 pm

SAN

SEA

4h 35m

1 stop

$149Southwest

週六, 4月 18 - 週六, 4月 25

12:10 pm - 3:05 pm

SEA

SAN

2h 55mnonstop

3:00 pm - 6:00 pm

SAN

SEA

3h 00mnonstop

$152Southwest

週二, 4月 14 - 週二, 4月 21

9:20 pm - 11:37 pm

SEA

SFO

2h 17mnonstop

2:57 pm - 5:16 pm

SFO

SEA

2h 19mnonstop

$153Delta

週五, 4月 17 - 週一, 4月 20

Frontier flights from Seattle to North America

Our best Frontier deals on Seattle to North America flight tickets

Frontier

May 3

SEA11:12 amSeattle/Tacoma Intl

2h 52m

LAX2:04 pmLos Angeles

May 5

LAX3:15 pmLos Angeles

3h 20m

SEA6:35 pmSeattle/Tacoma Intl

$96

Frontier

May 23

SEA11:21 amSeattle/Tacoma Intl

2h 57m

LAX2:18 pmLos Angeles

May 29

LAX3:15 pmLos Angeles

3h 20m

SEA6:35 pmSeattle/Tacoma Intl

$97

Frontier

Apr 23

SEA10:57 amSeattle/Tacoma Intl

2h 48m

LAX1:45 pmLos Angeles

Apr 29

LAX2:45 pmLos Angeles

2h 57m

SEA5:42 pmSeattle/Tacoma Intl

$98

Delta flights from Seattle to North America

Our best Delta deals on Seattle to North America flight tickets

Delta

Apr 24

SEA1:45 pmSeattle/Tacoma Intl

6h 11m

1 stop

SFO7:56 pmSan Francisco

May 4

SFO5:59 amSan Francisco

2h 20m

SEA8:19 amSeattle/Tacoma Intl

$147

Delta

May 5

SEA7:00 amSeattle/Tacoma Intl

2h 22m

SFO9:22 amSan Francisco

May 6

SFO4:40 pmSan Francisco

2h 23m

SEA7:03 pmSeattle/Tacoma Intl

$157

Delta

Apr 18

SEA9:50 amSeattle/Tacoma Intl

6h 15m

1 stop

SFO4:05 pmSan Francisco

Apr 24

SFO5:59 amSan Francisco

2h 20m

SEA8:19 amSeattle/Tacoma Intl

$187

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

週日 5/3

11:12 am-2:04 pm

Nonstop2h 52m

Los Angeles

週二 5/5

3:15 pm-6:35 pm

Nonstop3h 20m

$96

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

週六 5/23

11:21 am-2:18 pm

Nonstop2h 57m

Los Angeles

週一 6/1

3:15 pm-6:35 pm

Nonstop3h 20m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

週一 5/4

1:47 pm-4:50 pm

Nonstop3h 03m

Phoenix Sky Harbor Intl

週一 5/11

5:00 am-8:10 am

Nonstop3h 10m

$130

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

週二 4/21

7:00 am-9:22 am

Nonstop2h 22m

San Francisco

週二 4/21

2:57 pm-5:16 pm

Nonstop2h 19m

$135

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

週六 4/18

8:42 am-11:01 am

Nonstop2h 19m

San Francisco

週三 4/22

6:25 pm-8:57 pm

Nonstop2h 32m

$137

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

週五 5/29

6:26 am-9:15 am

Nonstop2h 49m

San Diego

週三 6/3

6:19 pm-9:30 pm

Nonstop3h 11m

$139

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

週二 4/14

7:37 pm-9:50 pm

Nonstop2h 13m

San Francisco

週一 4/20

8:15 am-10:39 am

Nonstop2h 24m

$144

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

週六 4/18

11:15 am-2:05 pm

Nonstop2h 50m

San Diego

週六 4/25

5:55 pm-10:30 pm

1 stop4h 35m

$149

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

週二 4/14

12:10 pm-3:05 pm

Nonstop2h 55m

San Diego

週二 4/21

3:00 pm-6:00 pm

Nonstop3h 00m

$152

Quickest round-trip

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

週五 4/17

9:20 pm-11:37 pm

Nonstop2h 17m

San Francisco

週一 4/20

2:57 pm-5:16 pm

Nonstop2h 19m

$153

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $392. 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 $510.

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 $353. Try not to purchase tickets in the morning because they tend to be around $452. 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 $396 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 $299 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?

You could potentially save up to 6% on your flight if you consider stops on a Seattle to North America flight.

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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to North America is 10 as of March 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to North America is Boeing 737-800 Passenger/BBJ2 (winglets) (21.26% of total bookings). The next most popular plane models are Airbus A321neo (15.51%), Boeing 737 MAX 8 (10.04%), and Boeing 737-900 (9.03%).

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
Frontier	PriceFrom $51	Free Cancellation	Rating 5.7 3,017 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $61	Free Cancellation	Rating 6.3 8,538 reviews	Search Spirit Airlines flights
Delta	PriceFrom $80	Free Cancellation	Rating 7.9 8,326 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $82	Free Cancellation	Rating 7.8 2,840 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $103	Free Cancellation	Rating 8.0 4,332 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $111	Free Cancellation	Rating 7.9 12,107 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $117	Free Cancellation	Rating 7.4 9,476 reviews	Search United Airlines flights
JetBlue	PriceFrom $128	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $152	Free Cancellation	Rating 6.8 340 reviews	Search Sun Country Air flights
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.1 11,493 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.