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Cheap flights from Seattle to Tamuning from $588

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 1/10. 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
12:20 pm - 2:35 pmSEA-GUM
32h 15m1 stop
Multiple Airlines Logo
1:00 am - 1:45 pmGUM-SEA
30h 45m1 stop
$1,246Multiple Airlines
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Mon, Jan 12 - Sun, Jan 25
Multiple Airlines Logo
12:20 pm - 1:10 amSEA-GUM
42h 50m2 stops
Multiple Airlines Logo
4:50 pm - 6:49 pmGUM-SEA
43h 59m2 stops
$1,338Multiple Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 26
Multiple Airlines Logo
12:05 pm - 2:20 amSEA-GUM
44h 15m2 stops
Multiple Airlines Logo
9:50 pm - 1:45 pmGUM-SEA
33h 55m1 stop
$1,504Multiple Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 28
Delta Logo
11:25 am - 11:05 pmSEA-GUM
17h 40m1 stop
Delta Logo
1:00 am - 1:20 pmGUM-SEA
30h 20m1 stop
$1,544Delta
Find Deal
Mon, Feb 9 - Sun, Feb 22
Delta Logo
11:25 am - 11:05 pmSEA-GUM
17h 40m1 stop
Delta Logo
1:00 am - 8:46 pmGUM-SEA
37h 46m2 stops
$1,548Delta
Find Deal
Mon, Feb 9 - Sun, Feb 22
Delta Logo
5:00 am - 11:05 pmSEA-GUM
24h 05m2 stops
Delta Logo
4:50 pm - 12:09 amGUM-SEA
49h 19m2 stops
$1,553Delta
Find Deal
Mon, Feb 9 - Mon, Feb 23
Delta Logo
3:30 pm - 11:05 pmSEA-GUM
37h 35m2 stops
Delta Logo
4:50 pm - 8:46 pmGUM-SEA
45h 56m2 stops
$1,566Delta
Find Deal
Tue, Feb 17 - Tue, Feb 24
Delta Logo
12:45 pm - 3:15 pmSEA-GUM
33h 30m1 stop
Delta Logo
5:00 pm - 2:00 pmGUM-SEA
38h 00m1 stop
$1,594Delta
Find Deal
Mon, Apr 6 - Sat, Apr 18
Delta Logo
12:45 pm - 3:15 pmSEA-GUM
33h 30m1 stop
Delta Logo
5:00 pm - 6:29 pmGUM-SEA
42h 29m2 stops
$1,598Delta
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Mon, Apr 6 - Sat, Apr 18
Delta Logo
6:05 am - 3:15 pmSEA-GUM
40h 10m2 stops
Delta Logo
5:00 pm - 11:26 pmGUM-SEA
47h 26m2 stops
$1,603Delta
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Mon, Apr 6 - Sat, Apr 18

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
33h 31m
3 stops
SEA11:36 pmSeattle/Tacoma Intl
$1,818
Find similar
United Airlines
Feb 12
SEA5:05 amSeattle/Tacoma Intl
20h 00m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 22
GUM7:40 amTamuning Guam Intl
20h 09m
2 stops
SEA9:49 amSeattle/Tacoma Intl
$1,868
Find similar
United Airlines
Jan 17
SEA5:10 pmSeattle/Tacoma Intl
55h 55m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 28
GUM7:40 amTamuning Guam Intl
31h 21m
3 stops
SEA9:01 pmSeattle/Tacoma Intl
$1,896
Find similar

Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets
Delta
Feb 9
SEA11:25 amSeattle/Tacoma Intl
17h 40m
1 stop
GUM11:05 pmTamuning Guam Intl
Feb 23
GUM4:50 pmTamuning Guam Intl
38h 30m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,544
Find similar
Delta
Feb 9
SEA11:25 amSeattle/Tacoma Intl
17h 40m
1 stop
GUM11:05 pmTamuning Guam Intl
Feb 22
GUM1:00 amTamuning Guam Intl
37h 46m
2 stops
SEA8:46 pmSeattle/Tacoma Intl
$1,548
Find similar
Delta
Feb 9
SEA5:00 amSeattle/Tacoma Intl
24h 05m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 22
GUM1:00 amTamuning Guam Intl
37h 46m
2 stops
SEA8:46 pmSeattle/Tacoma Intl
$1,553
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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 November 19, 2025.
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

Mon 1/12

12:20 pm-2:35 pm

1 stop32h 15m

Tamuning Guam Intl

Sun 1/25

1:00 am-1:45 pm

1 stop30h 45m

$1,246

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 1/12

12:20 pm-1:10 am

2 stops42h 50m

Tamuning Guam Intl

Mon 1/26

4:50 pm-6:49 pm

2 stops43h 59m

$1,338

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 12/1

12:05 pm-2:20 am

2 stops44h 15m

Tamuning Guam Intl

Sun 12/28

9:50 pm-1:45 pm

1 stop33h 55m

$1,504

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

$1,544

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-8:46 pm

2 stops37h 46m

$1,548

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-12:09 am

2 stops49h 19m

$1,553

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 2/17

3:30 pm-11:05 pm

2 stops37h 35m

Tamuning Guam Intl

Tue 2/24

4:50 pm-8:46 pm

2 stops45h 56m

$1,566

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/6

12:45 pm-3:15 pm

1 stop33h 30m

Tamuning Guam Intl

Sat 4/18

5:00 pm-2:00 pm

1 stop38h 00m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/6

12:45 pm-3:15 pm

1 stop33h 30m

Tamuning Guam Intl

Sat 4/18

5:00 pm-6:29 pm

2 stops42h 29m

$1,598

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/6

6:05 am-3:15 pm

2 stops40h 10m

Tamuning Guam Intl

Sat 4/18

5:00 pm-11:26 pm

2 stops47h 26m

$1,603

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 $1,548. If you aren’t able to travel during the month of October, then book flights to Tamuning from Seattle during February instead. Flights to Tamuning in February, while not as cheap as those in October, still average around $1,642.

What is the cheapest day to depart on your flight to Tamuning?

The cheapest day to depart from Seattle to Tamuning is on a Monday. Travelers who choose to depart for Tamuning on a Monday will often find tickets for as low as $1,742. The most expensive day to fly to Tamuning is Sunday, with ticket prices averaging around $2,305.

What is the cheapest time of day to depart on your flight to Tamuning?

Our most recent data shows that the best time of day to fly to Tamuning is at noon. Flights from Seattle to Tamuning during this time can be as low as $1,776. Flights in the morning are often more expensive with an average ticket price of $1,903.

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 $1,851 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 $1,294 on momondo.

Can stopping save me money on Seattle to Tamuning flights?

You could potentially save up to 40% 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

Direct flights

None
There are no direct flights from Seattle to Tamuning. There are no popular flight routes from Seattle to Tamuning.
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  • 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 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 $483Free CancellationRating
7.4
9,023 reviews
Search United Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
8,004 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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