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Cheap flights from Seattle to Tamuning from $545

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 1/17. 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
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.
Delta Logo
1:00 pm - 3:15 pm
SEA
-
GUM
33h 15m1 stop
Delta Logo
5:00 pm - 1:07 pm
GUM
-
SEA
37h 07m1 stop
$1,545Delta
Wed, Apr 15 - Mon, Apr 27
Delta Logo
1:00 pm - 3:15 pm
SEA
-
GUM
33h 15m1 stop
Delta Logo
5:00 pm - 6:30 pm
GUM
-
SEA
42h 30m2 stops
$1,549Delta
Wed, Apr 15 - Mon, Apr 27
Delta Logo
11:25 am - 11:05 pm
SEA
-
GUM
17h 40m1 stop
Delta Logo
1:00 am - 1:20 pm
GUM
-
SEA
30h 20m1 stop
$1,595Delta
Mon, Feb 9 - Sun, Feb 22
Delta Logo
11:25 am - 2:35 pm
SEA
-
GUM
33h 10m1 stop
Delta Logo
4:50 pm - 6:29 pm
GUM
-
SEA
43h 39m2 stops
$1,599Delta
Mon, Feb 9 - Mon, Feb 23
Delta Logo
5:00 am - 11:05 pm
SEA
-
GUM
24h 05m2 stops
Delta Logo
4:50 pm - 6:29 pm
GUM
-
SEA
43h 39m2 stops
$1,604Delta
Mon, Feb 9 - Mon, Feb 23
Delta Logo
1:00 pm - 3:15 pm
SEA
-
GUM
33h 15m1 stop
Delta Logo
5:00 pm - 1:11 pm
GUM
-
SEA
37h 11m1 stop
$1,645Delta
Fri, May 15 - Thu, May 21
Delta Logo
1:00 pm - 3:15 pm
SEA
-
GUM
33h 15m1 stop
Delta Logo
5:00 pm - 10:05 pm
GUM
-
SEA
46h 05m2 stops
$1,649Delta
Fri, May 15 - Fri, May 22
Delta Logo
1:00 pm - 3:15 pm
SEA
-
GUM
33h 15m1 stop
Delta Logo
5:00 pm - 6:30 pm
GUM
-
SEA
42h 30m2 stops
$1,664Delta
Mon, Apr 6 - Sat, Apr 18
Delta Logo
11:25 am - 2:35 pm
SEA
-
GUM
33h 10m1 stop
Delta Logo
4:50 pm - 1:20 pm
GUM
-
SEA
38h 30m1 stop
$1,695Delta
Sat, Feb 21 - Sat, Mar 7
Delta Logo
11:25 am - 11:05 pm
SEA
-
GUM
17h 40m1 stop
Delta Logo
4:50 pm - 5:28 pm
GUM
-
SEA
42h 38m2 stops
$1,699Delta
Sat, Feb 21 - Sat, Mar 7

Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets
Delta
Apr 15
SEA1:00 pmSeattle/Tacoma Intl
33h 15m
1 stop
GUM3:15 pmTamuning Guam Intl
Apr 27
GUM5:00 pmTamuning Guam Intl
37h 07m
1 stop
SEA1:07 pmSeattle/Tacoma Intl
$1,545
Delta
Apr 15
SEA1:00 pmSeattle/Tacoma Intl
33h 15m
1 stop
GUM3:15 pmTamuning Guam Intl
Apr 27
GUM5:00 pmTamuning Guam Intl
42h 30m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$1,549
Delta
Feb 9
SEA11:25 amSeattle/Tacoma Intl
17h 40m
1 stop
GUM11:05 pmTamuning Guam Intl
Feb 22
GUM1:00 amTamuning Guam Intl
30h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,595

United Airlines flights from Seattle to Tamuning

Our best United Airlines deals on Seattle to Tamuning flight tickets
United Airlines
Apr 15
SEA7:37 pmSeattle/Tacoma Intl
29h 28m
2 stops
GUM6:05 pmTamuning Guam Intl
Apr 27
GUM7:05 amTamuning Guam Intl
31h 01m
2 stops
SEA9:06 pmSeattle/Tacoma Intl
$1,819
United Airlines
Apr 15
SEA7:12 amSeattle/Tacoma Intl
41h 53m
2 stops
GUM6:05 pmTamuning Guam Intl
Apr 27
GUM7:05 amTamuning Guam Intl
33h 22m
3 stops
SEA11:27 pmSeattle/Tacoma Intl
$1,836
United Airlines
Apr 9
SEA7:12 amSeattle/Tacoma Intl
39h 33m
2 stops
GUM3:45 pmTamuning Guam Intl
Apr 16
GUM7:05 amTamuning Guam Intl
31h 01m
3 stops
SEA9:06 pmSeattle/Tacoma Intl
$1,839

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 January 11, 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

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 4/15

1:00 pm-3:15 pm

1 stop33h 15m

Tamuning Guam Intl

Mon 4/27

5:00 pm-1:07 pm

1 stop37h 07m

$1,545

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 4/15

1:00 pm-3:15 pm

1 stop33h 15m

Tamuning Guam Intl

Mon 4/27

5:00 pm-6:30 pm

2 stops42h 30m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Sun 2/22

1:00 am-1:20 pm

1 stop30h 20m

$1,595

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

Mon 2/23

4:50 pm-6:29 pm

2 stops43h 39m

$1,599

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

5:00 am-11:05 pm

2 stops24h 05m

Tamuning Guam Intl

Mon 2/23

4:50 pm-6:29 pm

2 stops43h 39m

$1,604

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 5/15

1:00 pm-3:15 pm

1 stop33h 15m

Tamuning Guam Intl

Thu 5/21

5:00 pm-1:11 pm

1 stop37h 11m

$1,645

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 5/15

1:00 pm-3:15 pm

1 stop33h 15m

Tamuning Guam Intl

Fri 5/22

5:00 pm-10:05 pm

2 stops46h 05m

$1,649

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/6

1:00 pm-3:15 pm

1 stop33h 15m

Tamuning Guam Intl

Sat 4/18

5:00 pm-6:30 pm

2 stops42h 30m

$1,664

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 2/21

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

Sat 3/7

4:50 pm-1:20 pm

1 stop38h 30m

$1,695

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 2/21

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Sat 3/7

4:50 pm-5:28 pm

2 stops42h 38m

$1,699

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 October is, on average, the cheapest month to fly to Tamuning from Seattle, with most prices found around $1,571. If you aren’t able to travel during the month of October, then book flights to Tamuning from Seattle during January instead. Flights to Tamuning in January, while not as cheap as those in October, still average around $1,593.

How far in advance should I book a flight to Tamuning?

You are more likely to see cheaper flights to Tamuning from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Tamuning for around $1,840 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tamuning from Seattle for as low as $1,137 on momondo.

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

17h 40m

Direct flights

None
The fastest flight from Seattle to Tamuning takes 17h 40m
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 17h 40m.

  • 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 $473Free CancellationRating
7.4
9,144 reviews
Search United Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
8,039 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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