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Cheap flights from Seattle to Tamuning from $617

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 8/26. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Tamuning

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:20 pm - 2:40 pm
SEA
-
GUM
32h 20m
1 stop
Multiple Airlines Logo
4:40 pm - 11:05 am
GUM
-
SEA
35h 25m
1 stop
$1,340Multiple Airlines
Sun, Oct 4 - Sun, Oct 11
Multiple Airlines Logo
1:20 pm - 2:40 pm
SEA
-
GUM
32h 20m
1 stop
Multiple Airlines Logo
4:40 pm - 11:05 am
GUM
-
SEA
35h 25m
1 stop
$1,390Multiple Airlines
Fri, Oct 9 - Mon, Oct 19
Multiple Airlines Logo
12:40 pm - 1:10 am
SEA
-
GUM
18h 30m
1 stop
Multiple Airlines Logo
2:20 am - 1:10 pm
GUM
-
SEA
28h 50m
1 stop
$1,415Multiple Airlines
Wed, Nov 4 - Fri, Nov 20
Delta Logo
7:59 pm - 11:55 pm
SEA
-
GUM
34h 56m
2 stops
Delta Logo
5:20 pm - 1:14 pm
GUM
-
SEA
36h 54m
1 stop
$1,549Delta
Sun, Oct 4 - Sun, Oct 11
Delta Logo
7:59 pm - 11:55 pm
SEA
-
GUM
34h 56m
2 stops
Delta Logo
5:20 pm - 6:52 pm
GUM
-
SEA
42h 32m
2 stops
$1,553Delta
Sun, Oct 4 - Sun, Oct 11
Delta Logo
1:00 pm - 2:35 pm
SEA
-
GUM
31h 35m
1 stop
Delta Logo
4:50 pm - 11:51 am
GUM
-
SEA
37h 01m
1 stop
$1,594Delta
Mon, Nov 16 - Fri, Nov 27
Delta Logo
5:45 am - 2:35 pm
SEA
-
GUM
38h 50m
2 stops
Delta Logo
4:50 pm - 11:51 am
GUM
-
SEA
37h 01m
1 stop
$1,599Delta
Mon, Nov 16 - Fri, Nov 27
Delta Logo
6:00 am - 11:55 pm
SEA
-
GUM
24h 55m
2 stops
Delta Logo
4:50 pm - 7:52 pm
GUM
-
SEA
44h 02m
2 stops
$1,603Delta
Mon, Oct 5 - Sat, Oct 31
Multiple Airlines Logo
1:35 pm - 3:35 am
SEA
-
GUM
21h 00m
1 stop
Multiple Airlines Logo
6:00 am - 1:40 pm
GUM
-
SEA
24h 40m
2 stops
$1,606Multiple Airlines
Fri, Aug 21 - Fri, Aug 28
Delta Logo
1:00 pm - 1:00 am
SEA
-
GUM
18h 00m
1 stop
Delta Logo
4:50 pm - 12:00 pm
GUM
-
SEA
37h 10m
1 stop
$1,644Delta
Mon, Dec 28 - Mon, Jan 11

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Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets
Delta
Oct 4
SEA7:59 pmSeattle/Tacoma Intl
34h 56m
2 stops
GUM11:55 pmTamuning Guam Intl
Oct 11
GUM5:20 pmTamuning Guam Intl
36h 54m
1 stop
SEA1:14 pmSeattle/Tacoma Intl
$1,549
Delta
Oct 4
SEA7:59 pmSeattle/Tacoma Intl
34h 56m
2 stops
GUM11:55 pmTamuning Guam Intl
Oct 11
GUM5:20 pmTamuning Guam Intl
42h 32m
2 stops
SEA6:52 pmSeattle/Tacoma Intl
$1,553
Delta
Nov 16
SEA1:00 pmSeattle/Tacoma Intl
31h 35m
1 stop
GUM2:35 pmTamuning Guam Intl
Nov 27
GUM4:50 pmTamuning Guam Intl
37h 01m
1 stop
SEA11:51 amSeattle/Tacoma Intl
$1,594

United Airlines flights from Seattle to Tamuning

Our best United Airlines deals on Seattle to Tamuning flight tickets
United Airlines
Oct 19
SEA8:29 pmSeattle/Tacoma Intl
28h 36m
2 stops
GUM6:05 pmTamuning Guam Intl
Nov 2
GUM7:45 amTamuning Guam Intl
26h 42m
3 stops
SEA4:27 pmSeattle/Tacoma Intl
$1,819
United Airlines
Oct 8
SEA7:11 amSeattle/Tacoma Intl
17h 54m
2 stops
GUM6:05 pmTamuning Guam Intl
Oct 14
GUM7:35 pmTamuning Guam Intl
40h 09m
2 stops
SEA6:44 pmSeattle/Tacoma Intl
$1,844
United Airlines
Oct 8
SEA7:11 amSeattle/Tacoma Intl
17h 54m
2 stops
GUM6:05 pmTamuning Guam Intl
Oct 14
GUM5:00 pmTamuning Guam Intl
45h 15m
3 stops
SEA9:15 pmSeattle/Tacoma Intl
$1,853

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 July 13, 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

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 10/4

1:20 pm-2:40 pm

1 stop32h 20m

Tamuning Guam Intl

Sun 10/11

4:40 pm-11:05 am

1 stop35h 25m

$1,340

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 10/9

1:20 pm-2:40 pm

1 stop32h 20m

Tamuning Guam Intl

Mon 10/19

4:40 pm-11:05 am

1 stop35h 25m

$1,390

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 11/4

12:40 pm-1:10 am

1 stop18h 30m

Tamuning Guam Intl

Fri 11/20

2:20 am-1:10 pm

1 stop28h 50m

$1,415

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 10/4

7:59 pm-11:55 pm

2 stops34h 56m

Tamuning Guam Intl

Sun 10/11

5:20 pm-1:14 pm

1 stop36h 54m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 10/4

7:59 pm-11:55 pm

2 stops34h 56m

Tamuning Guam Intl

Sun 10/11

5:20 pm-6:52 pm

2 stops42h 32m

$1,553

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 11/16

1:00 pm-2:35 pm

1 stop31h 35m

Tamuning Guam Intl

Fri 11/27

4:50 pm-11:51 am

1 stop37h 01m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 11/16

5:45 am-2:35 pm

2 stops38h 50m

Tamuning Guam Intl

Fri 11/27

4:50 pm-11:51 am

1 stop37h 01m

$1,599

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 10/5

6:00 am-11:55 pm

2 stops24h 55m

Tamuning Guam Intl

Sat 10/31

4:50 pm-7:52 pm

2 stops44h 02m

$1,603
Quickest round-trip

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 8/21

1:35 pm-3:35 am

1 stop21h 00m

Tamuning Guam Intl

Fri 8/28

6:00 am-1:40 pm

2 stops24h 40m

$1,606

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 12/28

1:00 pm-1:00 am

1 stop18h 00m

Tamuning Guam Intl

Mon 1/11

4:50 pm-12:00 pm

1 stop37h 10m

$1,644

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

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 $1,548. 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 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 50m

Direct flights

None
The fastest flight from Seattle to Tamuning takes 17h 50m
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 17h 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 $403Free CancellationRating
7.4
9,983 reviews
Search United Airlines flights
DeltaPriceFrom $1,544Free CancellationRating
7.8
8,464 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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