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

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Worldwide

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

As of September 2026, 340 flights take off from Seattle and land in Worldwide each day. The most common flight departure time for this route is 5:00PM, with 60% of daily flights taking off in the afternoon.

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

The number of flights available between Seattle and Worldwide is 2,385 per week as of September 2026. The most frequent departure day is Sun, with 20% of weekly flights leaving on this day.

What airlines fly to Worldwide?

Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to Worldwide from Seattle according to our data. Alaska Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Worldwide. Keep in mind that there are 36 different airlines that fly to Worldwide on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Seattle/Tacoma Intl Airport to Worldwide were last updated today.

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

There are 15 operators available for flights from Seattle/Tacoma Intl Airport to Worldwide as of September 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Worldwide?

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 Worldwide.

What documentation or ID do you need to fly to Worldwide?

The necessary travel and health documents for your Worldwide trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$56 Cheap Flights from Seattle to Worldwide in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Worldwide

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 pm - 10:46 pmSEA Seattle/Tacoma Intl-LAX Los Angeles

2h 46mnonstop

3:35 pm - 6:45 pmLAX Los Angeles-SEA Seattle/Tacoma Intl

3h 10mnonstop

$66Frontier

Tue, Oct 20 - Wed, Oct 21

8:09 pm - 10:59 pmSEA Seattle/Tacoma Intl-LAX Los Angeles

2h 50mnonstop

3:41 pm - 6:54 pmLAX Los Angeles-SEA Seattle/Tacoma Intl

3h 13mnonstop

$79Frontier

Wed, Nov 4 - Sun, Nov 8

8:09 pm - 10:59 pmSEA Seattle/Tacoma Intl-LAX Los Angeles

2h 50mnonstop

3:41 pm - 6:54 pmLAX Los Angeles-SEA Seattle/Tacoma Intl

3h 13mnonstop

$80Frontier

Sat, Oct 31 - Sun, Nov 8

8:00 pm - 10:46 pmSEA Seattle/Tacoma Intl-LAX Los Angeles

2h 46mnonstop

3:35 pm - 6:45 pmLAX Los Angeles-SEA Seattle/Tacoma Intl

3h 10mnonstop

$102Frontier

Tue, Oct 20 - Fri, Oct 23

8:29 pm - 10:59 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 30mnonstop

7:36 am - 10:03 amSFO San Francisco-SEA Seattle/Tacoma Intl

2h 27mnonstop

$137United Airlines

Fri, Oct 2 - Sun, Oct 4

8:36 pm - 10:49 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 13mnonstop

1:51 pm - 4:04 pmSFO San Francisco-SEA Seattle/Tacoma Intl

2h 13mnonstop

$140Alaska Airlines

Sat, Oct 3 - Wed, Oct 7

8:08 am - 4:43 pmSEA Seattle/Tacoma Intl-EWR Newark

5h 35mnonstop

9:30 am - 12:47 pmEWR Newark-SEA Seattle/Tacoma Intl

6h 17mnonstop

$297Alaska Airlines

Sat, Oct 31 - Sun, Nov 1

6:18 am - 5:00 pmSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

7h 42m1 stop Chicago O'Hare Intl

7:02 pm - 12:36 amJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

8h 34m1 stop Chicago O'Hare Intl

$356American Airlines

Sat, Oct 3 - Sat, Oct 10

10:15 pm - 6:35 amSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 20mnonstop

5:59 pm - 9:20 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 21mnonstop

$358JetBlue

Wed, Oct 14 - Wed, Oct 21

10:10 pm - 6:30 amSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 20mnonstop

5:29 pm - 8:48 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 19mnonstop

$359JetBlue

Sat, Oct 10 - Tue, Oct 13

Cheap last minute flights

Enter your travel dates to find the best prices.

10:53 am - 1:45 pmSEA Seattle/Tacoma Intl-ONT Ontario

2h 52mnonstop

5:44 pm - 8:40 pmONT Ontario-SEA Seattle/Tacoma Intl

2h 56mnonstop

$162Frontier

Wed, Sep 16 - Wed, Sep 16

10:53 am - 1:45 pmSEA Seattle/Tacoma Intl-ONT Ontario

2h 52mnonstop

5:34 pm - 8:30 pmONT Ontario-SEA Seattle/Tacoma Intl

2h 56mnonstop

$164Frontier

Sat, Sep 19 - Sat, Sep 19

8:15 pm - 11:04 pmSEA Seattle/Tacoma Intl-LAX Los Angeles

2h 49mnonstop

3:09 pm - 6:10 pmLAX Los Angeles-SEA Seattle/Tacoma Intl

3h 01mnonstop

$166Frontier

Sat, Sep 19 - Wed, Sep 23

10:53 am - 1:45 pmSEA Seattle/Tacoma Intl-ONT Ontario

2h 52mnonstop

6:15 am - 3:08 pmONT Ontario-SEA Seattle/Tacoma Intl

8h 53m1 stop Denver Intl

$173Frontier

Wed, Sep 16 - Sat, Oct 3

10:53 am - 1:45 pmSEA Seattle/Tacoma Intl-ONT Ontario

2h 52mnonstop

5:44 pm - 8:40 pmONT Ontario-SEA Seattle/Tacoma Intl

2h 56mnonstop

$182Frontier

Wed, Sep 16 - Fri, Sep 18

8:44 pm - 10:59 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 15mnonstop

6:00 am - 8:08 amSFO San Francisco-SEA Seattle/Tacoma Intl

2h 08mnonstop

$215Alaska Airlines

Tue, Sep 15 - Wed, Sep 16

9:25 pm - 11:40 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 15mnonstop

8:53 pm - 11:10 pmSFO San Francisco-SEA Seattle/Tacoma Intl

2h 17mnonstop

$219Alaska Airlines

Thu, Sep 17 - Mon, Sep 21

9:27 am - 5:59 pmSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 32mnonstop

8:27 pm - 11:42 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 15mnonstop

$421Hawaiian Airlines

Thu, Sep 17 - Mon, Sep 21

1:00 pm - 9:31 pmSEA Seattle/Tacoma Intl-EWR Newark

5h 31mnonstop

7:50 am - 10:54 amEWR Newark-SEA Seattle/Tacoma Intl

6h 04mnonstop

$535United Airlines

Tue, Sep 15 - Wed, Oct 7

11:59 pm - 10:57 amSEA Seattle/Tacoma Intl-EWR Newark

7h 58m1 stop Minneapolis St Paul

6:00 am - 2:19 pmEWR Newark-SEA Seattle/Tacoma Intl

11h 19m1 stop Atlanta Hartsfield-Jackson

$545Delta

Tue, Sep 15 - Wed, Oct 7

Cheap direct flights

Enter your travel dates to find the best prices.

8:00 pm - 10:46 pmSEA Seattle/Tacoma Intl-LAX Los Angeles

2h 46mnonstop

3:35 pm - 6:45 pmLAX Los Angeles-SEA Seattle/Tacoma Intl

3h 10mnonstop

$66Frontier

Tue, Oct 20 - Wed, Oct 21

8:09 pm - 10:59 pmSEA Seattle/Tacoma Intl-LAX Los Angeles

2h 50mnonstop

3:41 pm - 6:54 pmLAX Los Angeles-SEA Seattle/Tacoma Intl

3h 13mnonstop

$79Frontier

Wed, Nov 4 - Sun, Nov 8

8:29 pm - 10:59 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 30mnonstop

7:36 am - 10:03 amSFO San Francisco-SEA Seattle/Tacoma Intl

2h 27mnonstop

$137United Airlines

Fri, Oct 2 - Sun, Oct 4

6:32 pm - 8:43 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 11mnonstop

6:53 pm - 9:07 pmSFO San Francisco-SEA Seattle/Tacoma Intl

2h 14mnonstop

$139Alaska Airlines

Sat, Nov 21 - Sat, Dec 5

8:36 pm - 10:49 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 13mnonstop

1:51 pm - 4:04 pmSFO San Francisco-SEA Seattle/Tacoma Intl

2h 13mnonstop

$140Alaska Airlines

Sat, Oct 3 - Wed, Oct 7

7:11 am - 9:30 amSEA Seattle/Tacoma Intl-SFO San Francisco

2h 19mnonstop

10:45 pm - 1:15 amSFO San Francisco-SEA Seattle/Tacoma Intl

2h 30mnonstop

$144United Airlines

Thu, Oct 8 - Thu, Oct 15

7:16 am - 9:38 amSEA Seattle/Tacoma Intl-SFO San Francisco

2h 22mnonstop

6:20 am - 8:41 amSFO San Francisco-SEA Seattle/Tacoma Intl

2h 21mnonstop

$148Delta

Wed, Oct 21 - Thu, Oct 22

9:35 pm - 11:56 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 21mnonstop

6:20 am - 8:41 amSFO San Francisco-SEA Seattle/Tacoma Intl

2h 21mnonstop

$152Delta

Mon, Oct 19 - Fri, Oct 23

6:20 pm - 9:20 pmSEA Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl

3h 00mnonstop

3:30 pm - 5:53 pmPHX Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl

3h 23mnonstop

$222American Airlines

Mon, Oct 19 - Tue, Nov 3

5:47 pm - 11:48 pmSEA Seattle/Tacoma Intl-DFW Dallas/Fort Worth

4h 01mnonstop

2:25 pm - 4:54 pmDFW Dallas/Fort Worth-SEA Seattle/Tacoma Intl

4h 29mnonstop

$376American Airlines

Wed, Nov 4 - Tue, Nov 17

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Frontier flights from Seattle to Worldwide

Our best Frontier deals on Seattle to Worldwide flight tickets

Frontier

Oct 20

SEA8:00 pmSeattle/Tacoma Intl

2h 46m

LAX10:46 pmLos Angeles

Oct 21

LAX3:35 pmLos Angeles

3h 10m

SEA6:45 pmSeattle/Tacoma Intl

$66

Frontier

Nov 4

SEA8:09 pmSeattle/Tacoma Intl

2h 50m

LAX10:59 pmLos Angeles

Nov 8

LAX3:41 pmLos Angeles

3h 13m

SEA6:54 pmSeattle/Tacoma Intl

$79

Frontier

Oct 31

SEA8:09 pmSeattle/Tacoma Intl

2h 50m

LAX10:59 pmLos Angeles

Nov 8

LAX3:41 pmLos Angeles

3h 13m

SEA6:54 pmSeattle/Tacoma Intl

$80

Alaska Airlines flights from Seattle to Worldwide

Our best Alaska Airlines deals on Seattle to Worldwide flight tickets

Alaska Airlines

Oct 3

SEA8:36 pmSeattle/Tacoma Intl

2h 13m

SFO10:49 pmSan Francisco

Oct 7

SFO1:51 pmSan Francisco

2h 13m

SEA4:04 pmSeattle/Tacoma Intl

$140

Alaska Airlines

Oct 1

SEA8:30 pmSeattle/Tacoma Intl

2h 15m

SFO10:45 pmSan Francisco

Oct 5

SFO4:43 pmSan Francisco

5h 50m

1 stop

SEA10:33 pmSeattle/Tacoma Intl

$141

Alaska Airlines

Oct 24

SEA1:55 pmSeattle/Tacoma Intl

2h 13m

SFO4:08 pmSan Francisco

Oct 27

SFO3:31 pmSan Francisco

7h 02m

1 stop

SEA10:33 pmSeattle/Tacoma Intl

$150

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLos Angeles

SEA Seattle/Tacoma Intl - LAX Los Angeles

SEALAX

Seattle/Tacoma Intl

Tue 10/20

8:00 pm-10:46 pm

Nonstop2h 46m

Los Angeles

Wed 10/21

3:35 pm-6:45 pm

Nonstop3h 10m

$66

SeattleLos Angeles

SEA Seattle/Tacoma Intl - LAX Los Angeles

SEALAX

Seattle/Tacoma Intl

Wed 11/4

8:09 pm-10:59 pm

Nonstop2h 50m

Los Angeles

Sun 11/8

3:41 pm-6:54 pm

Nonstop3h 13m

$79

SeattleLos Angeles

SEA Seattle/Tacoma Intl - LAX Los Angeles

SEALAX

Seattle/Tacoma Intl

Sat 10/31

8:09 pm-10:59 pm

Nonstop2h 50m

Los Angeles

Sun 11/8

3:41 pm-6:54 pm

Nonstop3h 13m

$80

SeattleLos Angeles

SEA Seattle/Tacoma Intl - LAX Los Angeles

SEALAX

Seattle/Tacoma Intl

Tue 10/20

8:00 pm-10:46 pm

Nonstop2h 46m

Los Angeles

Fri 10/23

3:35 pm-6:45 pm

Nonstop3h 10m

$102

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Fri 10/2

8:29 pm-10:59 pm

Nonstop2h 30m

San Francisco

Sun 10/4

7:36 am-10:03 am

Nonstop2h 27m

$137

Quickest round-trip

SeattleSan Francisco

SEA Seattle/Tacoma Intl - SFO San Francisco

SEASFO

Seattle/Tacoma Intl

Sat 10/3

8:36 pm-10:49 pm

Nonstop2h 13m

San Francisco

Wed 10/7

1:51 pm-4:04 pm

Nonstop2h 13m

$140

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Sat 10/31

8:08 am-4:43 pm

Nonstop5h 35m

Newark

Sun 11/1

9:30 am-12:47 pm

Nonstop6h 17m

$297

SeattleNew York

SEA Seattle/Tacoma Intl - JFK New York John F Kennedy Intl

SEAJFK

Seattle/Tacoma Intl

Sat 10/3

6:18 am-5:00 pm

1 stop7h 42m

New York John F Kennedy Intl

Sat 10/10

7:02 pm-12:36 am

1 stop8h 34m

$356

SeattleNew York

SEA Seattle/Tacoma Intl - JFK New York John F Kennedy Intl

SEAJFK

Seattle/Tacoma Intl

Wed 10/14

10:15 pm-6:35 am

Nonstop5h 20m

New York John F Kennedy Intl

Wed 10/21

5:59 pm-9:20 pm

Nonstop6h 21m

$358

SeattleNew York

SEA Seattle/Tacoma Intl - JFK New York John F Kennedy Intl

SEAJFK

Seattle/Tacoma Intl

Sat 10/10

10:10 pm-6:30 am

Nonstop5h 20m

New York John F Kennedy Intl

Tue 10/13

5:29 pm-8:48 pm

Nonstop6h 19m

$359

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 Worldwide

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 Worldwide?

If you aren’t able to travel during the month of April, then book flights to Worldwide from Seattle during May instead. Flights to Worldwide in May, while not as cheap as those in April, still average around $543.

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

Fly from Seattle/Tacoma Intl to Los Angeles Los Angeles for the best Seattle/Tacoma Intl - Worldwide flight prices

What cabin class options are available on Seattle to Worldwide flights?

There are 4 cabin classes available to choose from on Seattle to Worldwide 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 Worldwide flights?

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

Cheap Seattle to Worldwide flight deals and tips

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

Best Price Found	$56
Fastest flight time	0h 48m
Direct flights	Every day
Airports in Worldwide	12,885 airports

The best one-way flight to Worldwide from Seattle in the past 72 hours is $56. The best round-trip flight deal from Seattle to Worldwide found on momondo in the last 72 hours is $66.

The fastest flight from Seattle to Worldwide takes 0h 48m

Direct flights go from Seattle to Worldwide every day.

There are 12,885 airports in Worldwide. From Seattle there are direct flights to San Francisco (SFO).

Search flight deals

Frequently asked questions about flying from Seattle to Worldwide

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Worldwide?
Prices for flights from Seattle/Tacoma Intl Airport to Worldwide were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Worldwide?
There are 15 operators available for flights from Seattle/Tacoma Intl Airport to Worldwide as of September 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Worldwide?
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 Worldwide.
What documentation or ID do you need to fly to Worldwide?
The necessary travel and health documents for your Worldwide trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Worldwide?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Worldwide is Boeing 737-800 Passenger/BBJ2 (winglets), representing 17.62% of all bookings. The subsequent popular models are Airbus A321neo at 15.22%, Boeing 737 MAX 8 at 9.42%, and Boeing 737-900 at 8.64%.

Best airlines flying from Seattle to Worldwide

Compare and see reviews for airlines that fly from Seattle to Worldwide with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $136	Free Cancellation	Rating 7.1 3,035 reviews	Search JetBlue flights
Hawaiian Airlines	PriceFrom $137	Free Cancellation	Rating 7.8 2,812 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $149	Free Cancellation	Rating 8.0 4,189 reviews	Search Southwest flights
Virgin Atlantic	PriceFrom $198	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
SWISS	PriceFrom $371	Free Cancellation	Rating 7.5 2,071 reviews	Search SWISS flights
Hainan Airlines	PriceFrom $385	Free Cancellation	Rating 8.4 70 reviews	Search Hainan Airlines flights
Iberia	PriceFrom $430	Free Cancellation	Rating 7.0 3,246 reviews	Search Iberia flights
Air France	PriceFrom $469	Free Cancellation	Rating 7.5 1,650 reviews	Search Air France flights
Lufthansa	PriceFrom $470	Free Cancellation	Rating 6.8 8,222 reviews	Search Lufthansa flights
British Airways	PriceFrom $476	Free Cancellation	Rating 6.7 8,220 reviews	Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Worldwide for you.

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

Yes. All flights to Worldwide from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Worldwide?

momondo helps you find the best flight between Seattle and Worldwide by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Worldwide from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.