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 August 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.

$515 Cheap Flights from Seattle to Tamuning in 2026

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.

12:40 pm - 2:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

31h 55m1 stop Incheon Intl

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

28h 15m1 stop Incheon Intl

$1,082Multiple Airlines

Sun, Nov 8 - Thu, Nov 12

1:35 pm - 3:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

33h 00m1 stop Incheon Intl

2:00 am - 1:40 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 40m1 stop Incheon Intl

$1,108Multiple Airlines

Thu, Sep 17 - Wed, Sep 23

1:35 pm - 3:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

33h 00m1 stop Incheon Intl

2:00 am - 1:40 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 40m1 stop Incheon Intl

$1,158Multiple Airlines

Thu, Sep 17 - Sat, Sep 19

1:35 pm - 3:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

33h 00m1 stop Incheon Intl

5:20 pm - 1:40 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

37h 20m1 stop Incheon Intl

$1,165Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

12:55 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 05m1 stop Incheon Intl

2:40 am - 11:50 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 10m1 stop Incheon Intl

$1,545Delta

Wed, Feb 10 - Tue, Feb 23

6:00 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

37h 00m2 stops Minneapolis St Paul Incheon Intl

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

37h 00m1 stop Incheon Intl

$1,550Delta

Wed, Feb 10 - Wed, Feb 24

12:35 pm - 2:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 00m1 stop Incheon Intl

2:40 am - 11:51 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 11m1 stop Incheon Intl

$1,595Delta

Mon, Nov 16 - Thu, Nov 26

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

20h 00m2 stops San Francisco Honolulu

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

22h 27m2 stops Honolulu San Francisco

$1,819United Airlines

Wed, Feb 10 - Wed, Feb 24

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

20h 00m2 stops San Francisco Honolulu

7:45 am - 3:54 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

26h 09m3 stops Honolulu Los Angeles San Francisco

$1,819United Airlines

Wed, Feb 10 - Wed, Feb 24

6:30 am - 4:40 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

28h 10m2 stops Los Angeles Tokyo Haneda

7:55 pm - 8:47 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

42h 52m2 stops Tokyo Haneda San Francisco

$1,861United Airlines

Tue, Nov 17 - Mon, Nov 23

Cheap last minute flights

Enter your travel dates to find the best prices.

7:20 am - 2:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

38h 15m2 stops Honolulu Tokyo Haneda

4:35 pm - 11:05 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

35h 30m1 stop Tokyo Narita

$1,694Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

1:05 pm - 11:55 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

17h 50m1 stop Incheon Intl

5:20 pm - 1:37 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

37h 17m1 stop Incheon Intl

$2,307Delta

Tue, Aug 25 - Tue, Sep 1

1:05 pm - 3:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

33h 30m1 stop Incheon Intl

5:20 pm - 1:37 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

37h 17m1 stop Incheon Intl

$2,357Delta

Mon, Aug 24 - Fri, Aug 28

6:05 am - 11:55 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

24h 50m2 stops Minneapolis St Paul Incheon Intl

2:00 am - 10:00 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

37h 00m2 stops Incheon Intl Minneapolis St Paul

$2,414Delta

Tue, Aug 25 - Mon, Aug 31

1:05 pm - 3:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

33h 30m1 stop Incheon Intl

2:00 am - 11:59 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

38h 59m2 stops Incheon Intl Salt Lake City

$2,460Delta

Mon, Aug 24 - Thu, Aug 27

5:45 am - 11:55 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

25h 10m2 stops Salt Lake City Incheon Intl

2:00 am - 11:59 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

38h 59m2 stops Incheon Intl Salt Lake City

$2,464Delta

Mon, Aug 24 - Thu, Aug 27

7:11 am - 6:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

17h 54m2 stops San Francisco Honolulu

12:15 pm - 9:31 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

26h 16m3 stops Tokyo Narita Los Angeles Denver Intl

$2,734United Airlines

Tue, Aug 25 - Tue, Sep 1

7:11 am - 6:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

17h 54m2 stops San Francisco Honolulu

7:05 am - 9:15 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

31h 10m3 stops Honolulu Los Angeles Denver Intl

$2,758United Airlines

Mon, Aug 24 - Fri, Aug 28

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Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets

Delta

Nov 9

SEA12:35 pmSeattle/Tacoma Intl

32h 00m

1 stop

GUM2:35 pmTamuning Guam Intl

Nov 15

GUM4:50 pmTamuning Guam Intl

37h 01m

1 stop

SEA11:51 amSeattle/Tacoma Intl

$1,545

Delta

Nov 9

SEA5:35 amSeattle/Tacoma Intl

25h 25m

2 stops

GUM1:00 amTamuning Guam Intl

Nov 17

GUM4:50 pmTamuning Guam Intl

37h 01m

1 stop

SEA11:51 amSeattle/Tacoma Intl

$1,550

Delta

Nov 9

SEA5:35 amSeattle/Tacoma Intl

25h 25m

2 stops

GUM1:00 amTamuning Guam Intl

Nov 15

GUM4:50 pmTamuning Guam Intl

43h 53m

2 stops

SEA6:43 pmSeattle/Tacoma Intl

$1,554

United Airlines flights from Seattle to Tamuning

Our best United Airlines deals on Seattle to Tamuning flight tickets

United Airlines

Feb 10

SEA5:00 amSeattle/Tacoma Intl

20h 00m

2 stops

GUM7:00 pmTamuning Guam Intl

Feb 24

GUM7:45 amTamuning Guam Intl

22h 27m

2 stops

SEA12:12 pmSeattle/Tacoma Intl

$1,819

United Airlines

Nov 9

SEA7:00 amSeattle/Tacoma Intl

27h 40m

2 stops

GUM4:40 amTamuning Guam Intl

Nov 16

GUM7:45 amTamuning Guam Intl

20h 02m

2 stops

SEA9:47 amSeattle/Tacoma Intl

$1,844

United Airlines

Nov 10

SEA6:00 amSeattle/Tacoma Intl

21h 45m

2 stops

GUM9:45 pmTamuning Guam Intl

Nov 17

GUM7:45 amTamuning Guam Intl

20h 02m

2 stops

SEA9:47 amSeattle/Tacoma Intl

$1,845

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Sun 11/8

12:40 pm-2:35 pm

1 stop31h 55m

Tamuning Guam Intl

Thu 11/12

2:40 am-12:55 pm

1 stop28h 15m

$1,082

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 9/17

1:35 pm-3:35 pm

1 stop33h 00m

Tamuning Guam Intl

Wed 9/23

2:00 am-1:40 pm

1 stop28h 40m

$1,108

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 9/17

1:35 pm-3:35 pm

1 stop33h 00m

Tamuning Guam Intl

Sat 9/19

2:00 am-1:40 pm

1 stop28h 40m

$1,158

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 10/1

1:35 pm-3:35 pm

1 stop33h 00m

Tamuning Guam Intl

Thu 10/8

5:20 pm-1:40 pm

1 stop37h 20m

$1,165

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 2/10

12:55 pm-1:00 am

1 stop18h 05m

Tamuning Guam Intl

Tue 2/23

2:40 am-11:50 am

1 stop27h 10m

$1,545

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 2/10

6:00 pm-1:00 am

2 stops37h 00m

Tamuning Guam Intl

Wed 2/24

4:50 pm-11:50 am

1 stop37h 00m

$1,550

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Mon 11/16

12:35 pm-2:35 pm

1 stop32h 00m

Tamuning Guam Intl

Thu 11/26

2:40 am-11:51 am

1 stop27h 11m

$1,595

Quickest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 2/10

5:00 am-7:00 pm

2 stops20h 00m

Tamuning Guam Intl

Wed 2/24

7:45 am-12:12 pm

2 stops22h 27m

$1,819

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 2/10

5:00 am-7:00 pm

2 stops20h 00m

Tamuning Guam Intl

Wed 2/24

7:45 am-3:54 pm

3 stops26h 09m

$1,819

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Tue 11/17

6:30 am-4:40 am

2 stops28h 10m

Tamuning Guam Intl

Mon 11/23

7:55 pm-8:47 pm

2 stops42h 52m

$1,861

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

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 $1,374 to $1,910.
The lowest price recently found on this route was $1,082.

What is the cheapest month to fly to Tamuning?

The month of August is, on average, the cheapest month to fly to Tamuning from Seattle, with most prices found around $861. If you aren’t able to travel during the month of August, then book flights to Tamuning from Seattle during October instead. Flights to Tamuning in October, while not as cheap as those in August, 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	$515
Fastest flight time	18h 15m
Direct flights	None

The best one-way flight to Tamuning from Seattle in the past 72 hours is $515. The best round-trip flight deal from Seattle to Tamuning found on momondo in the last 72 hours is $1,082.

The fastest flight from Seattle to Tamuning takes 18h 15m

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 15m.
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 August 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 (50% of total bookings). The next most popular airline is United Airlines (50%).

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 10,106 reviews		Search United Airlines flights
Delta	PriceFrom $1,544	Free Cancellation	Rating 7.8 8,513 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 $515

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 11/13. 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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Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets

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Our best United Airlines deals on Seattle to Tamuning flight tickets

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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?

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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According to popular flight searches on momondo this year