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

Alaska Airlines and Delta are the most popular carriers 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 October 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.

$694 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.

11:55 am - 2:45 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 50m1 stop Tokyo Narita

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

34h 30m1 stop Tokyo Narita

$1,184Alaska Airlines

Fri, Dec 4 - Sat, Dec 12

11:55 am - 2:45 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 50m1 stop Tokyo Narita

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

34h 30m1 stop Tokyo Narita

$1,192Alaska Airlines

Sat, Nov 28 - Sun, Dec 6

11:55 am - 2:45 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 50m1 stop Tokyo Narita

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

28h 15m1 stop Incheon Intl

$1,229Multiple Airlines

Mon, Dec 7 - Sun, Dec 13

12:00 pm - 2:45 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 45m1 stop Tokyo Narita

4:45 pm - 9:40 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

34h 55m1 stop Tokyo Narita

$1,266Multiple Airlines

Mon, Jan 11 - Sat, Jan 16

12:50 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 10m1 stop Incheon Intl

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

27h 11m1 stop Incheon Intl

$1,547Delta

Thu, Mar 4 - Wed, Mar 17

5:45 am - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

25h 15m2 stops Salt Lake City Incheon Intl

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

27h 11m1 stop Incheon Intl

$1,551Delta

Thu, Mar 4 - Wed, Mar 17

5:45 am - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

25h 15m2 stops Salt Lake City Incheon Intl

2:40 am - 11:59 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

38h 19m2 stops Incheon Intl Minneapolis St Paul

$1,556Delta

Thu, Mar 4 - Wed, Mar 17

7:28 pm - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

29h 32m2 stops San Francisco Honolulu

7:45 am - 9:47 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

20h 02m2 stops Honolulu Denver Intl

$1,819United Airlines

Sun, Feb 7 - Wed, Feb 24

7:28 pm - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

29h 32m2 stops San Francisco Honolulu

7:45 am - 9:17 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

31h 32m3 stops Honolulu Los Angeles Denver Intl

$1,819United Airlines

Sun, Feb 7 - Wed, Feb 24

2:25 pm - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

58h 35m2 stops Los Angeles Honolulu

7:45 am - 11:33 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

21h 48m2 stops Honolulu Los Angeles

$1,900United Airlines

Sat, Feb 27 - Sat, Mar 13

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Alaska Airlines flights from Seattle to Tamuning

Our best Alaska Airlines deals on Seattle to Tamuning flight tickets

Alaska Airlines

Dec 4

SEA11:55 amSeattle/Tacoma Intl

32h 50m

1 stop

GUM2:45 pmTamuning Guam Intl

Dec 12

GUM4:45 pmTamuning Guam Intl

34h 30m

1 stop

SEA9:15 amSeattle/Tacoma Intl

$1,184

Alaska Airlines

Nov 28

SEA11:55 amSeattle/Tacoma Intl

32h 50m

1 stop

GUM2:45 pmTamuning Guam Intl

Dec 6

GUM4:45 pmTamuning Guam Intl

34h 30m

1 stop

SEA9:15 amSeattle/Tacoma Intl

$1,192

Alaska Airlines

Mar 7

SEA12:00 pmSeattle/Tacoma Intl

32h 45m

1 stop

GUM2:45 pmTamuning Guam Intl

Mar 11

GUM4:45 pmTamuning Guam Intl

34h 55m

1 stop

SEA9:40 amSeattle/Tacoma Intl

$1,317

Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets

Delta

Mar 4

SEA12:50 pmSeattle/Tacoma Intl

18h 10m

1 stop

GUM1:00 amTamuning Guam Intl

Mar 17

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

$1,547

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

Delta

Mar 4

SEA5:45 amSeattle/Tacoma Intl

25h 15m

2 stops

GUM1:00 amTamuning Guam Intl

Mar 17

GUM2:40 amTamuning Guam Intl

38h 19m

2 stops

SEA11:59 pmSeattle/Tacoma Intl

$1,556

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Fri 12/4

11:55 am-2:45 pm

1 stop32h 50m

Tamuning Guam Intl

Sat 12/12

4:45 pm-9:15 am

1 stop34h 30m

$1,184

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Sat 11/28

11:55 am-2:45 pm

1 stop32h 50m

Tamuning Guam Intl

Sun 12/6

4:45 pm-9:15 am

1 stop34h 30m

$1,192

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Mon 12/7

11:55 am-2:45 pm

1 stop32h 50m

Tamuning Guam Intl

Sun 12/13

2:40 am-12:55 pm

1 stop28h 15m

$1,229

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Mon 1/11

12:00 pm-2:45 pm

1 stop32h 45m

Tamuning Guam Intl

Sat 1/16

4:45 pm-9:40 am

1 stop34h 55m

$1,266

Quickest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 3/4

12:50 pm-1:00 am

1 stop18h 10m

Tamuning Guam Intl

Wed 3/17

2:40 am-12:51 pm

1 stop27h 11m

$1,547

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 3/4

5:45 am-1:00 am

2 stops25h 15m

Tamuning Guam Intl

Wed 3/17

2:40 am-12:51 pm

1 stop27h 11m

$1,551

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 3/4

5:45 am-1:00 am

2 stops25h 15m

Tamuning Guam Intl

Wed 3/17

2:40 am-11:59 pm

2 stops38h 19m

$1,556

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Sun 2/7

7:28 pm-7:00 pm

2 stops29h 32m

Tamuning Guam Intl

Wed 2/24

7:45 am-9:47 am

2 stops20h 02m

$1,819

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Sun 2/7

7:28 pm-7:00 pm

2 stops29h 32m

Tamuning Guam Intl

Wed 2/24

7:45 am-9:17 pm

3 stops31h 32m

$1,819

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Sat 2/27

2:25 pm-7:00 pm

2 stops58h 35m

Tamuning Guam Intl

Sat 3/13

7:45 am-11:33 am

2 stops21h 48m

$1,900

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 typical price of a round-trip flight between Seattle and Tamuning?

Prices are currently low for flights on this route.

Typical prices usually range from $1,544 to $2,832.
The lowest price recently found on this route was $1,184.

What is the cheapest month to fly to Tamuning?

The month of January is, on average, the cheapest month to fly to Tamuning from Seattle, with most prices found around $937. If you aren’t able to travel during the month of January, then book flights to Tamuning from Seattle during August instead. Flights to Tamuning in August, while not as cheap as those in January, still average around $1,594.

Can stopping save me money on Seattle to Tamuning flights?

You could potentially save up to 36% 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	$694
Fastest flight time	18h 20m
Direct flights	None

The best one-way flight to Tamuning from Seattle in the past 72 hours is $694. The best round-trip flight deal from Seattle to Tamuning found on momondo in the last 72 hours is $1,184.

The fastest flight from Seattle to Tamuning takes 18h 20m

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 18h 20m.
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 October 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 (54% of total bookings). The next most popular airline is United Airlines (46%).

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 7.3 10,441 reviews		Search United Airlines flights
Delta	PriceFrom $1,548	Free Cancellation	Rating 7.8 8,681 reviews		Search Delta flights

Why use momondo?

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 $694

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 1/20. 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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Alaska Airlines flights from Seattle to Tamuning

Our best Alaska Airlines deals on Seattle to Tamuning flight tickets

Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets

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See travel insights to Tamuning from

How to get the cheapest flight ticket from Seattle to Tamuning

What is the typical price of a round-trip flight between Seattle and 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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