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Cheap flights from Seattle to Tamuning from $531

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 8/27. 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
1:35 pm - 3:35 pm
SEA
-
GUM
33h 00m
1 stop
Multiple Airlines Logo
2:00 am - 1:40 pm
GUM
-
SEA
28h 40m
1 stop
$1,107Multiple Airlines
Mon, Sep 7 - Sun, Sep 13
Multiple Airlines Logo
1:20 pm - 2:35 pm
SEA
-
GUM
32h 15m
1 stop
Multiple Airlines Logo
4:35 pm - 11:05 am
GUM
-
SEA
35h 30m
1 stop
$1,190Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
1:20 pm - 2:35 pm
SEA
-
GUM
32h 15m
1 stop
Multiple Airlines Logo
4:35 pm - 11:05 am
GUM
-
SEA
35h 30m
1 stop
$1,265Multiple Airlines
Wed, Sep 9 - Tue, Sep 15
Multiple Airlines Logo
12:40 pm - 2:35 pm
SEA
-
GUM
31h 55m
1 stop
Multiple Airlines Logo
2:40 am - 1:10 pm
GUM
-
SEA
28h 30m
1 stop
$1,307Multiple Airlines
Fri, Jan 22 - Sun, Jan 31
Delta Logo
1:00 pm - 2:35 pm
SEA
-
GUM
31h 35m
1 stop
Delta Logo
2:40 am - 11:51 am
GUM
-
SEA
27h 11m
1 stop
$1,595Delta
Mon, Nov 16 - Thu, Nov 26
Delta Logo
1:00 pm - 2:35 pm
SEA
-
GUM
31h 35m
1 stop
Delta Logo
2:40 am - 12:00 pm
GUM
-
SEA
27h 20m
1 stop
$1,595Delta
Tue, Jan 5 - Wed, Feb 3
Delta Logo
7:55 pm - 1:00 am
SEA
-
GUM
35h 05m
2 stops
Delta Logo
4:50 pm - 11:51 am
GUM
-
SEA
37h 01m
1 stop
$1,599Delta
Mon, Nov 16 - Fri, Nov 27
United Airlines Logo
8:40 pm - 7:00 pm
SEA
-
GUM
28h 20m
2 stops
United Airlines Logo
7:45 am - 4:27 pm
GUM
-
SEA
26h 42m
3 stops
$1,869United Airlines
Mon, Nov 16 - Fri, Nov 27
United Airlines Logo
5:00 am - 7:00 pm
SEA
-
GUM
20h 00m
2 stops
United Airlines Logo
7:45 am - 9:12 pm
GUM
-
SEA
31h 27m
3 stops
$1,869United Airlines
Tue, Jan 5 - Thu, Feb 4
United Airlines Logo
7:11 am - 6:05 pm
SEA
-
GUM
17h 54m
2 stops
United Airlines Logo
7:45 am - 11:18 pm
GUM
-
SEA
33h 33m
3 stops
$2,194United Airlines
Tue, Sep 1 - Thu, Nov 5

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Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets
Delta
Nov 16
SEA1:00 pmSeattle/Tacoma Intl
31h 35m
1 stop
GUM2:35 pmTamuning Guam Intl
Nov 26
GUM2:40 amTamuning Guam Intl
27h 11m
1 stop
SEA11:51 amSeattle/Tacoma Intl
$1,595
Delta
Nov 16
SEA7:55 pmSeattle/Tacoma Intl
35h 05m
2 stops
GUM1:00 amTamuning Guam Intl
Nov 27
GUM4:50 pmTamuning Guam Intl
37h 01m
1 stop
SEA11:51 amSeattle/Tacoma Intl
$1,599
Delta
Nov 16
SEA11:53 pmSeattle/Tacoma Intl
31h 07m
2 stops
GUM1:00 amTamuning Guam Intl
Nov 26
GUM2:40 amTamuning Guam Intl
33h 50m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$1,604

United Airlines flights from Seattle to Tamuning

Our best United Airlines deals on Seattle to Tamuning flight tickets
United Airlines
Nov 16
SEA8:40 pmSeattle/Tacoma Intl
28h 20m
2 stops
GUM7:00 pmTamuning Guam Intl
Nov 27
GUM7:45 amTamuning Guam Intl
26h 42m
3 stops
SEA4:27 pmSeattle/Tacoma Intl
$1,869
United Airlines
Aug 5
SEA5:04 pmSeattle/Tacoma Intl
32h 01m
2 stops
GUM6:05 pmTamuning Guam Intl
Aug 24
GUM7:05 amTamuning Guam Intl
33h 21m
3 stops
SEA11:26 pmSeattle/Tacoma Intl
$2,429
United Airlines
Aug 9
SEA7:00 amSeattle/Tacoma Intl
18h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
Aug 23
GUM12:15 pmTamuning Guam Intl
26h 00m
3 stops
SEA9:15 pmSeattle/Tacoma Intl
$2,555

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 27, 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

Mon 9/7

1:35 pm-3:35 pm

1 stop33h 00m

Tamuning Guam Intl

Sun 9/13

2:00 am-1:40 pm

1 stop28h 40m

$1,107

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 9/8

1:20 pm-2:35 pm

1 stop32h 15m

Tamuning Guam Intl

Tue 9/15

4:35 pm-11:05 am

1 stop35h 30m

$1,190

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 9/9

1:20 pm-2:35 pm

1 stop32h 15m

Tamuning Guam Intl

Tue 9/15

4:35 pm-11:05 am

1 stop35h 30m

$1,265

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 1/22

12:40 pm-2:35 pm

1 stop31h 55m

Tamuning Guam Intl

Sun 1/31

2:40 am-1:10 pm

1 stop28h 30m

$1,307

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 11/16

1:00 pm-2:35 pm

1 stop31h 35m

Tamuning Guam Intl

Thu 11/26

2:40 am-11:51 am

1 stop27h 11m

$1,595

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 1/5

1:00 pm-2:35 pm

1 stop31h 35m

Tamuning Guam Intl

Wed 2/3

2:40 am-12:00 pm

1 stop27h 20m

$1,595

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 11/16

7:55 pm-1:00 am

2 stops35h 05m

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 11/16

8:40 pm-7:00 pm

2 stops28h 20m

Tamuning Guam Intl

Fri 11/27

7:45 am-4:27 pm

3 stops26h 42m

$1,869
Quickest round-trip

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 1/5

5:00 am-7:00 pm

2 stops20h 00m

Tamuning Guam Intl

Thu 2/4

7:45 am-9:12 pm

3 stops31h 27m

$1,869

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 9/1

7:11 am-6:05 pm

2 stops17h 54m

Tamuning Guam Intl

Thu 11/5

7:45 am-11:18 pm

3 stops33h 33m

$2,194

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

Prices are currently typical for flights on this route.

Typical prices usually range from $556 to $1,904.
The lowest price recently found on this route was $1,107.

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 $1,594. 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 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

Fastest flight time

20h 30m

Direct flights

None
The fastest flight from Seattle to Tamuning takes 20h 30m
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 20h 30m.

  • 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
10,041 reviews
Search United Airlines flights
DeltaPriceFrom $1,544Free CancellationRating
7.8
8,483 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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