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

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

What airlines fly to Worldwide?

Alaska Airlines, Delta and American Airlines 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 40% of people opting to fly with this airline when traveling to Worldwide. Keep in mind that there are 63 different airlines that fly to Worldwide on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Seattle and Worldwide is 3,176 per week as of September 2025. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

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 16 operators available for flights from Seattle/Tacoma Intl Airport to Worldwide as of September 2025.

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.

$62 Cheap Flights from Seattle to Worldwide in 2025/26

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Find the cheapest flights from Seattle to Worldwide

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:10 am - 11:07 amSEA-PHX

2h 57mnonstop

8:00 am - 10:20 amPHX-SEA

3h 20mnonstop

$105Delta

Find Deal

mié., nov. 12 - mié., nov. 19

6:00 am - 8:30 amSEA-LAS

2h 30mnonstop

8:10 pm - 10:55 pmLAS-SEA

2h 45mnonstop

$107Southwest

Find Deal

lun., oct. 27 - mié., oct. 29

4:26 pm - 7:01 pmSEA-LAS

2h 35mnonstop

12:18 pm - 3:16 pmLAS-SEA

2h 58mnonstop

$108Frontier

Find Deal

jue., oct. 23 - vie., oct. 24

8:31 pm - 11:29 pmSEA-PHX

2h 58mnonstop

6:05 am - 9:20 amPHX-SEA

3h 15mnonstop

$109Frontier

Find Deal

vie., oct. 3 - dom., oct. 5

2:16 pm - 4:53 pmSEA-LAS

2h 37mnonstop

7:35 pm - 10:30 pmLAS-SEA

2h 55mnonstop

$131Alaska Airlines

Find Deal

mar., oct. 7 - mar., oct. 7

11:32 am - 5:01 pmSEA-LAX

5h 29m1 stop

8:30 pm - 11:34 pmLAX-SEA

3h 04mnonstop

$141Alaska Airlines

Find Deal

mar., nov. 18 - mar., nov. 18

7:37 pm - 12:15 amSEA-SAN

4h 38m1 stop

11:08 am - 9:15 pmSAN-SEA

10h 07m2 stops

$182United Airlines

Find Deal

mié., oct. 15 - sáb., oct. 18

10:11 am - 4:35 pmSEA-ORD

4h 24mnonstop

9:55 pm - 12:32 amORD-SEA

4h 37mnonstop

$191American Airlines

Find Deal

jue., oct. 2 - lun., oct. 6

12:34 am - 6:42 amSEA-ORD

4h 08mnonstop

10:00 am - 12:37 pmORD-SEA

4h 37mnonstop

$195American Airlines

Find Deal

vie., oct. 24 - vie., oct. 31

6:20 am - 2:36 pmSEA-EWR

5h 16mnonstop

7:55 am - 11:11 amEWR-SEA

6h 16mnonstop

$201United Airlines

Find Deal

mié., oct. 29 - mié., nov. 5

Frontier flights from Seattle to Worldwide

Our best Frontier deals on Seattle to Worldwide flight tickets

Frontier

Oct 23

SEA4:26 pmSeattle/Tacoma Intl

2h 35m

LAS7:01 pmLas Vegas Harry Reid Intl

Oct 24

LAS12:18 pmLas Vegas Harry Reid Intl

2h 58m

SEA3:16 pmSeattle/Tacoma Intl

$108

Find similar

Frontier

Oct 3

SEA8:31 pmSeattle/Tacoma Intl

2h 58m

PHX11:29 pmPhoenix Sky Harbor Intl

Oct 5

PHX6:05 amPhoenix Sky Harbor Intl

3h 15m

SEA9:20 amSeattle/Tacoma Intl

$109

Find similar

Frontier

Oct 5

SEA1:22 pmSeattle/Tacoma Intl

2h 42m

LAS4:04 pmLas Vegas Harry Reid Intl

Oct 9

LAS12:18 pmLas Vegas Harry Reid Intl

2h 58m

SEA3:16 pmSeattle/Tacoma Intl

$110

Find similar

Alaska Airlines flights from Seattle to Worldwide

Our best Alaska Airlines deals on Seattle to Worldwide flight tickets

Alaska Airlines

Oct 7

SEA2:16 pmSeattle/Tacoma Intl

2h 37m

LAS4:53 pmLas Vegas Harry Reid Intl

Oct 7

LAS7:35 pmLas Vegas Harry Reid Intl

2h 55m

SEA10:30 pmSeattle/Tacoma Intl

$131

Find similar

Alaska Airlines

Nov 18

SEA11:32 amSeattle/Tacoma Intl

5h 29m

1 stop

LAX5:01 pmLos Angeles

Nov 18

LAX8:30 pmLos Angeles

3h 04m

SEA11:34 pmSeattle/Tacoma Intl

$141

Find similar

Alaska Airlines

Oct 8

SEA7:00 amSeattle/Tacoma Intl

5h 44m

1 stop

LAX12:44 pmLos Angeles

Oct 8

LAX3:52 pmLos Angeles

2h 50m

SEA6:42 pmSeattle/Tacoma Intl

$161

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

mié. 11/12

7:10 am-11:07 am

Nonstop2h 57m

Phoenix Sky Harbor Intl

mié. 11/19

8:00 am-10:20 am

Nonstop3h 20m

$105

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

lun. 10/27

6:00 am-8:30 am

Nonstop2h 30m

Las Vegas Harry Reid Intl

mié. 10/29

8:10 pm-10:55 pm

Nonstop2h 45m

$107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

jue. 10/23

4:26 pm-7:01 pm

Nonstop2h 35m

Las Vegas Harry Reid Intl

vie. 10/24

12:18 pm-3:16 pm

Nonstop2h 58m

$108

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

vie. 10/3

8:31 pm-11:29 pm

Nonstop2h 58m

Phoenix Sky Harbor Intl

dom. 10/5

6:05 am-9:20 am

Nonstop3h 15m

$109

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

mar. 10/7

2:16 pm-4:53 pm

Nonstop2h 37m

Las Vegas Harry Reid Intl

mar. 10/7

7:35 pm-10:30 pm

Nonstop2h 55m

$131

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

mar. 11/18

11:32 am-5:01 pm

1 stop5h 29m

Los Angeles

mar. 11/18

8:30 pm-11:34 pm

Nonstop3h 04m

$141

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

mié. 10/15

7:37 pm-12:15 am

1 stop4h 38m

San Diego

sáb. 10/18

11:08 am-9:15 pm

2 stops10h 07m

$182

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

jue. 10/2

10:11 am-4:35 pm

Nonstop4h 24m

Chicago O'Hare Intl

lun. 10/6

9:55 pm-12:32 am

Nonstop4h 37m

$191

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

vie. 10/24

12:34 am-6:42 am

Nonstop4h 08m

Chicago O'Hare Intl

vie. 10/31

10:00 am-12:37 pm

Nonstop4h 37m

$195

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

mié. 10/29

6:20 am-2:36 pm

Nonstop5h 16m

Newark

mié. 11/5

7:55 am-11:11 am

Nonstop6h 16m

$201

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 Seattle/Tacoma Intl to Worldwide flight route?

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

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl 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	$63
Fastest flight time	2h 25m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in Worldwide	2 airports

The best one-way flight to Worldwide from Seattle in the past 72 hours is $63. The best round-trip flight deal from Seattle to Worldwide found on momondo in the last 72 hours is $97.

The fastest flight from Seattle to Worldwide takes 2h 25m

Direct flights go from Seattle to Worldwide on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Aeromexico and Southwest.

There are 2 airports near Worldwide: 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 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 16 operators available for flights from Seattle/Tacoma Intl Airport to Worldwide as of September 2025.
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 737-900 Passenger/BBJ3 (winglets), representing 14.76% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 13.90%, Boeing 737-800 Passenger/BBJ2 (winglets) at 13.69%, and Airbus A321neo at 9.03%.

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.

An easier way to manage your Worldwide 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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mié. 10/15

mié. 10/22

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Cheap flights from Seattle to Worldwide from $62

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 Worldwide departing on 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Seattle to Worldwide

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Seattle to Worldwide

Our best Frontier deals on Seattle to Worldwide flight tickets

Alaska Airlines flights from Seattle to Worldwide

Our best Alaska Airlines deals on Seattle to Worldwide flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Worldwide that are best for you.

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

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

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

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl 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.

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

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

What airlines fly to Worldwide?

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

The number of flights available between Seattle and Worldwide is 3,176 per week as of September 2025. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

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

Fastest flight time

Direct flights

Airports in Worldwide

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

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

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

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

What is the most popular plane model from Seattle to Worldwide?

Why use momondo?

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

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

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

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

An easier way to manage your Worldwide 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip

Popular cities

Popular flights according to clicks in the last 7 days on momondo