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

Alaska Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Tamuning Guam Intl

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

Prices for flights from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport are refreshed on a daily basis.

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

There are 2 operators available for flights from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport as of September 2026.

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

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 Tamuning Guam Intl Airport.

What documentation or ID do you need to fly to Tamuning Guam Intl Airport?

The necessary travel and health documents for your Tamuning Guam Intl Airport 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.

$570 Cheap Flights from Seattle to Tamuning in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Tamuning

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:40 pm - 3:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 25m1 stop Incheon Intl

2:40 am - 12:55 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 15m1 stop Incheon Intl

$1,058Multiple Airlines

Thu, Oct 29 - Wed, Nov 4

1:40 pm - 3:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 25m1 stop Incheon Intl

4:45 pm - 9:15 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

34h 30m1 stop Tokyo Narita

$1,146Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

1:20 pm - 2:40 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 20m1 stop Tokyo Narita

4:40 pm - 10:50 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

35h 10m1 stop Tokyo Narita

$1,192Multiple Airlines

Wed, Sep 30 - Sat, Oct 3

1:20 pm - 2:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 15m1 stop Tokyo Narita

4:40 pm - 11:05 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

35h 25m1 stop Tokyo Narita

$1,242Multiple Airlines

Mon, Sep 28 - Fri, Oct 2

12:45 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 15m1 stop Incheon Intl

2:40 am - 12:51 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 11m1 stop Incheon Intl

$1,546Delta

Thu, Mar 4 - Wed, Mar 17

12:30 pm - 3:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 35m1 stop Incheon Intl

4:50 pm - 11:51 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

37h 01m1 stop Incheon Intl

$1,546Delta

Wed, Nov 18 - Sun, Nov 29

11:47 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

31h 13m2 stops Minneapolis St Paul Incheon Intl

4:50 pm - 11:51 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

37h 01m1 stop Incheon Intl

$1,550Delta

Sun, Nov 22 - Sun, Nov 29

7:30 pm - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

29h 30m2 stops San Francisco Honolulu

7:45 am - 8:40 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

30h 55m2 stops Honolulu San Francisco

$1,869United Airlines

Mon, Dec 7 - Wed, Dec 30

5:00 am - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

20h 00m2 stops San Francisco Honolulu

7:45 am - 12:22 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

22h 37m2 stops Honolulu San Francisco

$1,919United Airlines

Tue, Dec 22 - Tue, Dec 29

5:00 am - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

20h 00m2 stops San Francisco Honolulu

7:45 am - 4:32 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

50h 47m3 stops Honolulu Los Angeles San Francisco

$1,948United Airlines

Tue, Dec 22 - Tue, Dec 29

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United Airlines flights from Seattle to Tamuning

Our best United Airlines deals on Seattle to Tamuning flight tickets

United Airlines

Dec 7

SEA7:30 pmSeattle/Tacoma Intl

29h 30m

2 stops

GUM7:00 pmTamuning Guam Intl

Dec 30

GUM7:45 amTamuning Guam Intl

30h 55m

2 stops

SEA8:40 pmSeattle/Tacoma Intl

$1,869

United Airlines

Dec 22

SEA5:00 amSeattle/Tacoma Intl

20h 00m

2 stops

GUM7:00 pmTamuning Guam Intl

Dec 29

GUM7:45 amTamuning Guam Intl

22h 37m

2 stops

SEA12:22 pmSeattle/Tacoma Intl

$1,919

United Airlines

Dec 19

SEA5:34 pmSeattle/Tacoma Intl

55h 26m

2 stops

GUM7:00 pmTamuning Guam Intl

Jan 9

GUM7:45 amTamuning Guam Intl

33h 46m

3 stops

SEA11:31 pmSeattle/Tacoma Intl

$2,000

Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets

Delta

Mar 4

SEA12:45 pmSeattle/Tacoma Intl

18h 15m

1 stop

GUM1:00 amTamuning Guam Intl

Mar 17

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

$1,546

Delta

Nov 22

SEA11:47 pmSeattle/Tacoma Intl

31h 13m

2 stops

GUM1:00 amTamuning Guam Intl

Nov 29

GUM4:50 pmTamuning Guam Intl

37h 01m

1 stop

SEA11:51 amSeattle/Tacoma Intl

$1,550

Delta

Mar 4

SEA5:45 amSeattle/Tacoma Intl

25h 15m

2 stops

GUM1:00 amTamuning Guam Intl

Mar 17

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

$1,551

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 10/29

1:40 pm-3:05 pm

1 stop32h 25m

Tamuning Guam Intl

Wed 11/4

2:40 am-12:55 pm

1 stop28h 15m

$1,058

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Sat 10/31

1:40 pm-3:05 pm

1 stop32h 25m

Tamuning Guam Intl

Sat 11/7

4:45 pm-9:15 am

1 stop34h 30m

$1,146

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 9/30

1:20 pm-2:40 pm

1 stop32h 20m

Tamuning Guam Intl

Sat 10/3

4:40 pm-10:50 am

1 stop35h 10m

$1,192

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Mon 9/28

1:20 pm-2:35 pm

1 stop32h 15m

Tamuning Guam Intl

Fri 10/2

4:40 pm-11:05 am

1 stop35h 25m

$1,242

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 3/4

12:45 pm-1:00 am

1 stop18h 15m

Tamuning Guam Intl

Wed 3/17

2:40 am-12:51 pm

1 stop27h 11m

$1,546

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 11/18

12:30 pm-3:05 pm

1 stop32h 35m

Tamuning Guam Intl

Sun 11/29

4:50 pm-11:51 am

1 stop37h 01m

$1,546

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Sun 11/22

11:47 pm-1:00 am

2 stops31h 13m

Tamuning Guam Intl

Sun 11/29

4:50 pm-11:51 am

1 stop37h 01m

$1,550

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Mon 12/7

7:30 pm-7:00 pm

2 stops29h 30m

Tamuning Guam Intl

Wed 12/30

7:45 am-8:40 pm

2 stops30h 55m

$1,869

Quickest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Tue 12/22

5:00 am-7:00 pm

2 stops20h 00m

Tamuning Guam Intl

Tue 12/29

7:45 am-12:22 pm

2 stops22h 37m

$1,919

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Tue 12/22

5:00 am-7:00 pm

2 stops20h 00m

Tamuning Guam Intl

Tue 12/29

7:45 am-4:32 pm

3 stops50h 47m

$1,948

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 Tamuning

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

What is the cheapest month to fly to Tamuning?

The month of October is, on average, the cheapest month to fly to Tamuning from Seattle, with most prices found around $1,594. If you aren’t able to travel during the month of October, then book flights to Tamuning from Seattle during August instead. Flights to Tamuning in August, while not as cheap as those in October, still average around $1,594.

Can stopping save me money on Seattle to Tamuning flights?

You could potentially save up to 39% on your flight if you consider stops on a Seattle to Tamuning flight.

How have Seattle to Tamuning flight prices changed over time?

When to book flights from Seattle to Tamuning

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Tamuning according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Tamuning (SEA to GUM) flight deals and tips

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

Best Price Found	$570
Fastest flight time	29h 30m
Direct flights	None

The best one-way flight to Tamuning from Seattle in the past 72 hours is $570. The best round-trip flight deal from Seattle to Tamuning found on momondo in the last 72 hours is $1,058.

The fastest flight from Seattle to Tamuning takes 29h 30m

There are no direct flights from Seattle to Tamuning. There are no popular flight routes from Seattle to Tamuning.

Search flight deals

Frequently asked questions about flying from Seattle to Tamuning

How far is Seattle/Tacoma Intl to Tamuning Guam Intl by plane?
There are 5661.0 mi between Seattle/Tacoma Intl and Tamuning Guam Intl. A reasonable flight in good conditions will take 29h 30m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport?
There are 2 operators available for flights from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport as of September 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport?
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 Tamuning Guam Intl Airport.
What documentation or ID do you need to fly to Tamuning Guam Intl Airport?
The necessary travel and health documents for your Tamuning Guam Intl Airport 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 airline from Seattle to Tamuning?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Tamuning is Delta (51% of total bookings). The next most popular airline is United Airlines (49%).

Best airlines flying from Seattle to Tamuning

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $403	Free Cancellation	Rating 7.4 10,214 reviews		Search United Airlines flights
Delta	PriceFrom $1,544	Free Cancellation	Rating 7.8 8,570 reviews		Search Delta flights

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

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 Tamuning for you.

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

Yes. momondo allows you to filter the results for Seattle to Tamuning flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Tamuning from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Seattle to Tamuning flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Seattle to Tamuning from $570

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 Tamuning departing on 11/9. 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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United Airlines flights from Seattle to Tamuning

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How to get the cheapest flight ticket from Seattle to Tamuning

What is the cheapest month to fly to Tamuning?

Can stopping save me money on Seattle to Tamuning flights?

How have Seattle to Tamuning flight prices changed over time?

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

When to book flights from Seattle to Tamuning

Cheap Seattle to Tamuning (SEA to GUM) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Seattle to Tamuning

Best airlines flying from Seattle to Tamuning

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

Why use momondo?

An easier way to manage your Tamuning 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 to Guam

Fly your favorite airline to Tamuning

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Tamuning

List of cabin classes available on flights landing in Tamuning. Availability may vary depending on flight origin and airline.

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