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Cheap flights from Seattle to Tamuning from $706

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 6/10. 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.
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
$1,241Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Delta Logo
12:35 pm - 11:55 pm
SEA
-
GUM
18h 20m
1 stop
Delta Logo
4:50 pm - 12:51 pm
GUM
-
SEA
37h 01m
1 stop
$1,544Delta
Thu, Oct 15 - Mon, Oct 26
Delta Logo
12:35 pm - 11:55 pm
SEA
-
GUM
18h 20m
1 stop
Delta Logo
2:00 am - 1:14 pm
GUM
-
SEA
28h 14m
1 stop
$1,545Delta
Wed, Oct 7 - Wed, Oct 14
Delta Logo
12:35 pm - 3:35 pm
SEA
-
GUM
34h 00m
1 stop
Delta Logo
4:50 pm - 12:11 am
GUM
-
SEA
48h 21m
2 stops
$1,549Delta
Thu, Oct 15 - Mon, Oct 26
Delta Logo
5:45 am - 3:35 pm
SEA
-
GUM
40h 50m
2 stops
Delta Logo
4:50 pm - 10:05 pm
GUM
-
SEA
46h 15m
2 stops
$1,553Delta
Thu, Oct 15 - Mon, Oct 26
Delta Logo
5:45 am - 11:55 pm
SEA
-
GUM
25h 10m
2 stops
Delta Logo
2:00 am - 11:59 pm
GUM
-
SEA
38h 59m
2 stops
$1,554Delta
Wed, Oct 7 - Wed, Oct 14
Delta Logo
7:35 pm - 2:35 pm
SEA
-
GUM
49h 00m
2 stops
Delta Logo
4:50 pm - 11:51 am
GUM
-
SEA
37h 01m
1 stop
$1,559Delta
Sun, Nov 8 - Sun, Nov 15
Delta Logo
1:30 pm - 11:55 pm
SEA
-
GUM
41h 25m
2 stops
Delta Logo
4:50 pm - 6:30 pm
GUM
-
SEA
42h 40m
2 stops
$1,563Delta
Sun, Oct 18 - Mon, Oct 26
Multiple Airlines Logo
1:30 pm - 2:35 pm
SEA
-
GUM
32h 05m
1 stop
Multiple Airlines Logo
4:35 pm - 11:15 am
GUM
-
SEA
35h 40m
1 stop
$1,571Multiple Airlines
Thu, Jun 4 - Sat, Jun 20
Delta Logo
12:35 pm - 11:55 pm
SEA
-
GUM
18h 20m
1 stop
Delta Logo
4:50 pm - 12:51 pm
GUM
-
SEA
37h 01m
1 stop
$1,594Delta
Fri, Oct 16 - Tue, Oct 27

Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets
Delta
Oct 15
SEA12:35 pmSeattle/Tacoma Intl
18h 20m
1 stop
GUM11:55 pmTamuning Guam Intl
Oct 26
GUM4:50 pmTamuning Guam Intl
37h 01m
1 stop
SEA12:51 pmSeattle/Tacoma Intl
$1,544
Delta
Oct 7
SEA12:35 pmSeattle/Tacoma Intl
18h 20m
1 stop
GUM11:55 pmTamuning Guam Intl
Oct 14
GUM2:00 amTamuning Guam Intl
28h 14m
1 stop
SEA1:14 pmSeattle/Tacoma Intl
$1,545
Delta
Oct 15
SEA12:35 pmSeattle/Tacoma Intl
34h 00m
1 stop
GUM3:35 pmTamuning Guam Intl
Oct 26
GUM4:50 pmTamuning Guam Intl
48h 21m
2 stops
SEA12:11 amSeattle/Tacoma Intl
$1,549

United Airlines flights from Seattle to Tamuning

Our best United Airlines deals on Seattle to Tamuning flight tickets
United Airlines
Nov 5
SEA5:00 amSeattle/Tacoma Intl
19h 50m
2 stops
GUM6:50 pmTamuning Guam Intl
Nov 18
GUM7:25 amTamuning Guam Intl
22h 47m
2 stops
SEA12:12 pmSeattle/Tacoma Intl
$1,819
United Airlines
Oct 4
SEA6:51 pmSeattle/Tacoma Intl
30h 14m
2 stops
GUM6:05 pmTamuning Guam Intl
Jan 7
GUM7:25 amTamuning Guam Intl
28h 44m
2 stops
SEA6:09 pmSeattle/Tacoma Intl
$1,869
United Airlines
Sep 13
SEA5:00 amSeattle/Tacoma Intl
44h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
Sep 23
GUM7:10 amTamuning Guam Intl
33h 14m
3 stops
SEA11:24 pmSeattle/Tacoma Intl
$1,892

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 May 16, 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

Wed 9/9

1:20 pm-2:35 pm

1 stop32h 15m

Tamuning Guam Intl

Wed 9/16

4:35 pm-11:05 am

1 stop35h 30m

$1,241

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 10/15

12:35 pm-11:55 pm

1 stop18h 20m

Tamuning Guam Intl

Mon 10/26

4:50 pm-12:51 pm

1 stop37h 01m

$1,544
Quickest round-trip

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 10/7

12:35 pm-11:55 pm

1 stop18h 20m

Tamuning Guam Intl

Wed 10/14

2:00 am-1:14 pm

1 stop28h 14m

$1,545

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 10/15

12:35 pm-3:35 pm

1 stop34h 00m

Tamuning Guam Intl

Mon 10/26

4:50 pm-12:11 am

2 stops48h 21m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 10/15

5:45 am-3:35 pm

2 stops40h 50m

Tamuning Guam Intl

Mon 10/26

4:50 pm-10:05 pm

2 stops46h 15m

$1,553

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 10/7

5:45 am-11:55 pm

2 stops25h 10m

Tamuning Guam Intl

Wed 10/14

2:00 am-11:59 pm

2 stops38h 59m

$1,554

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 11/8

7:35 pm-2:35 pm

2 stops49h 00m

Tamuning Guam Intl

Sun 11/15

4:50 pm-11:51 am

1 stop37h 01m

$1,559

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 10/18

1:30 pm-11:55 pm

2 stops41h 25m

Tamuning Guam Intl

Mon 10/26

4:50 pm-6:30 pm

2 stops42h 40m

$1,563

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 6/4

1:30 pm-2:35 pm

1 stop32h 05m

Tamuning Guam Intl

Sat 6/20

4:35 pm-11:15 am

1 stop35h 40m

$1,571

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 10/16

12:35 pm-11:55 pm

1 stop18h 20m

Tamuning Guam Intl

Tue 10/27

4:50 pm-12:51 pm

1 stop37h 01m

$1,594

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 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 October instead. Flights to Tamuning in October, while not as cheap as those in July, still average around $1,548.

Can stopping save me money on Seattle to Tamuning flights?

You could potentially save up to 34% 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 $385Free CancellationRating
7.4
9,727 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $560Free CancellationRating
8.1
532 reviews
Search Asiana Airlines flights
DeltaPriceFrom $1,544Free CancellationRating
7.9
8,455 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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