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Cheap flights from Seattle to Tamuning from $530

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 3/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Seattle to Tamuning

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:40 pm - 3:35 am
SEA
-
GUM
20h 55m
1 stop
Multiple Airlines Logo
4:40 am - 1:35 pm
GUM
-
SEA
25h 55m
1 stop
$1,097Multiple Airlines
Sat, Apr 25 - Thu, Apr 30
Multiple Airlines Logo
1:40 pm - 3:35 am
SEA
-
GUM
20h 55m
1 stop
Multiple Airlines Logo
4:40 am - 1:35 pm
GUM
-
SEA
25h 55m
1 stop
$1,100Multiple Airlines
Sat, Apr 25 - Thu, Apr 30
Multiple Airlines Logo
1:40 pm - 3:35 am
SEA
-
GUM
20h 55m
1 stop
Multiple Airlines Logo
4:40 am - 1:35 pm
GUM
-
SEA
25h 55m
1 stop
$1,103Multiple Airlines
Sat, Apr 25 - Wed, Apr 29
Multiple Airlines Logo
1:40 pm - 3:35 am
SEA
-
GUM
20h 55m
1 stop
Multiple Airlines Logo
4:40 am - 1:35 pm
GUM
-
SEA
25h 55m
1 stop
$1,129Multiple Airlines
Fri, Apr 24 - Fri, May 1
Multiple Airlines Logo
1:40 pm - 3:35 am
SEA
-
GUM
20h 55m
1 stop
Multiple Airlines Logo
4:40 am - 1:35 pm
GUM
-
SEA
25h 55m
1 stop
$1,145Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
1:40 pm - 3:35 am
SEA
-
GUM
20h 55m
1 stop
Multiple Airlines Logo
4:40 am - 7:02 pm
GUM
-
SEA
31h 22m
2 stops
$1,199Multiple Airlines
Sat, Apr 25 - Sat, May 9
Multiple Airlines Logo
1:40 pm - 3:35 am
SEA
-
GUM
20h 55m
1 stop
Multiple Airlines Logo
4:40 am - 7:02 pm
GUM
-
SEA
31h 22m
2 stops
$1,223Multiple Airlines
Sat, Apr 25 - Sat, May 9
Multiple Airlines Logo
2:40 pm - 3:35 am
SEA
-
GUM
19h 55m
1 stop
Multiple Airlines Logo
4:40 am - 2:35 pm
GUM
-
SEA
26h 55m
1 stop
$1,225Multiple Airlines
Mon, Mar 30 - Wed, Apr 8
Multiple Airlines Logo
1:40 pm - 3:35 am
SEA
-
GUM
20h 55m
1 stop
Multiple Airlines Logo
4:40 am - 7:02 pm
GUM
-
SEA
31h 22m
2 stops
$1,233Multiple Airlines
Sat, Apr 25 - Thu, May 7
Multiple Airlines Logo
2:45 pm - 3:35 am
SEA
-
GUM
19h 50m
1 stop
Multiple Airlines Logo
4:40 am - 7:02 pm
GUM
-
SEA
31h 22m
2 stops
$1,261Multiple Airlines
Sun, Apr 19 - Sat, May 9

Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets
Delta
Apr 7
SEA1:00 pmSeattle/Tacoma Intl
17h 55m
1 stop
GUM11:55 pmTamuning Guam Intl
Apr 14
GUM5:20 pmTamuning Guam Intl
36h 47m
1 stop
SEA1:07 pmSeattle/Tacoma Intl
$1,594
Delta
Apr 21
SEA1:00 pmSeattle/Tacoma Intl
17h 55m
1 stop
GUM11:55 pmTamuning Guam Intl
May 3
GUM3:00 amTamuning Guam Intl
27h 11m
1 stop
SEA1:11 pmSeattle/Tacoma Intl
$1,595
Delta
Apr 21
SEA1:00 pmSeattle/Tacoma Intl
17h 55m
1 stop
GUM11:55 pmTamuning Guam Intl
May 4
GUM3:00 amTamuning Guam Intl
37h 59m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
$1,599

United Airlines flights from Seattle to Tamuning

Our best United Airlines deals on Seattle to Tamuning flight tickets
United Airlines
Mar 22
SEA4:31 pmSeattle/Tacoma Intl
33h 19m
2 stops
GUM6:50 pmTamuning Guam Intl
Apr 4
GUM7:05 amTamuning Guam Intl
33h 22m
3 stops
SEA11:27 pmSeattle/Tacoma Intl
$2,400
United Airlines
Mar 17
SEA5:20 pmSeattle/Tacoma Intl
32h 30m
2 stops
GUM6:50 pmTamuning Guam Intl
Mar 24
GUM7:25 amTamuning Guam Intl
25h 49m
2 stops
SEA4:14 pmSeattle/Tacoma Intl
$2,728
United Airlines
Mar 17
SEA5:20 pmSeattle/Tacoma Intl
32h 30m
2 stops
GUM6:50 pmTamuning Guam Intl
Mar 27
GUM7:25 amTamuning Guam Intl
27h 39m
2 stops
SEA6:04 pmSeattle/Tacoma Intl
$2,778

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Tamuning that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 12, 2026.
Use the filters below to find and compare flights from Seattle to Tamuning that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/25

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Thu 4/30

4:40 am-1:35 pm

1 stop25h 55m

$1,097

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/25

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Thu 4/30

4:40 am-1:35 pm

1 stop25h 55m

$1,100

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/25

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Wed 4/29

4:40 am-1:35 pm

1 stop25h 55m

$1,103

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 4/24

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Fri 5/1

4:40 am-1:35 pm

1 stop25h 55m

$1,129

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 4/23

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Thu 4/30

4:40 am-1:35 pm

1 stop25h 55m

$1,145

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/25

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Sat 5/9

4:40 am-7:02 pm

2 stops31h 22m

$1,199

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/25

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Sat 5/9

4:40 am-7:02 pm

2 stops31h 22m

$1,223

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/30

2:40 pm-3:35 am

1 stop19h 55m

Tamuning Guam Intl

Wed 4/8

4:40 am-2:35 pm

1 stop26h 55m

$1,225

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/25

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Thu 5/7

4:40 am-7:02 pm

2 stops31h 22m

$1,233

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 4/19

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Sat 5/9

4:40 am-7:02 pm

2 stops31h 22m

$1,261

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Tamuning from

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 cheapest month to fly to Tamuning?

The month of July is, on average, the cheapest month to fly to Tamuning from Seattle, with most prices found around $991. If you aren’t able to travel during the month of July, then book flights to Tamuning from Seattle during August instead. Flights to Tamuning in August, while not as cheap as those in July, still average around $1,011.

Can stopping save me money on Seattle to Tamuning flights?

You could potentially save up to 11% 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

Fastest flight time

19h 50m

Direct flights

None
The fastest flight from Seattle to Tamuning takes 19h 50m
There are no direct flights from Seattle to Tamuning. There are no popular flight routes from Seattle to Tamuning.
Search flight deals

  • 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 19h 50m.

  • 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?

  • 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?

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 AirlinesPriceFrom $385Free CancellationRating
7.4
9,418 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $560Free CancellationRating
8.1
506 reviews
Search Asiana Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
8,285 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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