Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Tamuning from $537

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 4/9. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Tamuning

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:40 pm - 2:35 pm
SEA
-
GUM
30h 55m
1 stop
Multiple Airlines Logo
4:50 pm - 2:55 pm
GUM
-
SEA
39h 05m
1 stop
$1,012Multiple Airlines
Thu, Mar 5 - Wed, Mar 18
Multiple Airlines Logo
2:45 pm - 3:35 pm
SEA
-
GUM
31h 50m
1 stop
Multiple Airlines Logo
3:00 am - 2:35 pm
GUM
-
SEA
28h 35m
1 stop
$1,115Multiple Airlines
Fri, Apr 10 - Thu, Apr 16
Multiple Airlines Logo
2:40 pm - 1:00 am
SEA
-
GUM
41h 20m
2 stops
Multiple Airlines Logo
4:40 am - 2:55 pm
GUM
-
SEA
27h 15m
1 stop
$1,248Multiple Airlines
Thu, Mar 12 - Mon, Mar 30
Multiple Airlines Logo
2:45 pm - 3:35 am
SEA
-
GUM
19h 50m
1 stop
Multiple Airlines Logo
4:40 am - 7:03 pm
GUM
-
SEA
31h 23m
2 stops
$1,338Multiple Airlines
Fri, Apr 10 - Sat, Apr 18
Multiple Airlines Logo
2:45 pm - 3:35 am
SEA
-
GUM
19h 50m
1 stop
Multiple Airlines Logo
12:50 am - 2:35 pm
GUM
-
SEA
30h 45m
1 stop
$1,378Multiple Airlines
Fri, Apr 10 - Fri, Apr 17
Multiple Airlines Logo
2:45 pm - 3:35 am
SEA
-
GUM
19h 50m
1 stop
Multiple Airlines Logo
12:50 am - 2:35 pm
GUM
-
SEA
30h 45m
1 stop
$1,380Multiple Airlines
Fri, Apr 10 - Fri, Apr 17
Multiple Airlines Logo
2:45 pm - 3:35 am
SEA
-
GUM
19h 50m
1 stop
Multiple Airlines Logo
4:40 am - 2:35 pm
GUM
-
SEA
26h 55m
1 stop
$1,391Multiple Airlines
Fri, Apr 10 - Wed, Apr 15
Multiple Airlines Logo
2:45 pm - 3:35 am
SEA
-
GUM
19h 50m
1 stop
Multiple Airlines Logo
4:40 am - 2:35 pm
GUM
-
SEA
26h 55m
1 stop
$1,398Multiple Airlines
Sat, Apr 11 - Wed, Apr 15
Multiple Airlines Logo
10:30 pm - 3:25 am
SEA
-
GUM
35h 55m
2 stops
Multiple Airlines Logo
2:40 am - 2:55 pm
GUM
-
SEA
29h 15m
1 stop
$1,447Multiple Airlines
Sun, Mar 15 - Sat, Mar 28
Multiple Airlines Logo
2:45 pm - 3:35 am
SEA
-
GUM
19h 50m
1 stop
Multiple Airlines Logo
5:20 pm - 7:03 pm
GUM
-
SEA
42h 43m
2 stops
$1,509Multiple Airlines
Fri, Apr 10 - Fri, Apr 17

Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets
Delta
Mar 10
SEA12:35 pmSeattle/Tacoma Intl
33h 00m
1 stop
GUM2:35 pmTamuning Guam Intl
Mar 18
GUM4:50 pmTamuning Guam Intl
38h 30m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$1,595
Delta
Mar 16
SEA5:30 amSeattle/Tacoma Intl
24h 35m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 23
GUM4:50 pmTamuning Guam Intl
38h 30m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$1,599
Delta
Mar 16
SEA5:30 amSeattle/Tacoma Intl
24h 35m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 23
GUM4:50 pmTamuning Guam Intl
42h 40m
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
Jun 18
SEA5:00 amSeattle/Tacoma Intl
20h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
Jun 30
GUM7:05 amTamuning Guam Intl
33h 05m
3 stops
SEA11:10 pmSeattle/Tacoma Intl
$1,919
United Airlines
Jul 16
SEA5:00 amSeattle/Tacoma Intl
20h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
Jul 31
GUM7:05 amTamuning Guam Intl
26h 15m
2 stops
SEA4:20 pmSeattle/Tacoma Intl
$1,969
United Airlines
Jul 16
SEA5:00 amSeattle/Tacoma Intl
23h 15m
2 stops
GUM9:15 pmTamuning Guam Intl
Jul 31
GUM7:05 amTamuning Guam Intl
31h 54m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$1,996

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 February 24, 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

Thu 3/5

1:40 pm-2:35 pm

1 stop30h 55m

Tamuning Guam Intl

Wed 3/18

4:50 pm-2:55 pm

1 stop39h 05m

$1,012

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 4/10

2:45 pm-3:35 pm

1 stop31h 50m

Tamuning Guam Intl

Thu 4/16

3:00 am-2:35 pm

1 stop28h 35m

$1,115

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 3/12

2:40 pm-1:00 am

2 stops41h 20m

Tamuning Guam Intl

Mon 3/30

4:40 am-2:55 pm

1 stop27h 15m

$1,248

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 4/10

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Sat 4/18

4:40 am-7:03 pm

2 stops31h 23m

$1,338

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 4/10

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Fri 4/17

12:50 am-2:35 pm

1 stop30h 45m

$1,378

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 4/10

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Fri 4/17

12:50 am-2:35 pm

1 stop30h 45m

$1,380

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 4/10

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Wed 4/15

4:40 am-2:35 pm

1 stop26h 55m

$1,391

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/11

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Wed 4/15

4:40 am-2:35 pm

1 stop26h 55m

$1,398

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 3/15

10:30 pm-3:25 am

2 stops35h 55m

Tamuning Guam Intl

Sat 3/28

2:40 am-2:55 pm

1 stop29h 15m

$1,447

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 4/10

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Fri 4/17

5:20 pm-7:03 pm

2 stops42h 43m

$1,509

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August is, on average, the cheapest month to fly to Tamuning from Seattle, with most prices found around $1,011. If you aren’t able to travel during the month of August, then book flights to Tamuning from Seattle during October instead. Flights to Tamuning in October, while not as cheap as those in August, still average around $1,548.

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 $1,802 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 $944 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

18h 55m

Direct flights

None
The fastest flight from Seattle to Tamuning takes 18h 55m
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 18h 55m.

  • 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
9,344 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $560Free CancellationRating
8.1
502 reviews
Search Asiana Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
8,236 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.

An easier way to manage your Tamuning trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/26
Thu 4/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Guam

Fly your favorite airline to Tamuning

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
Delta
Asiana Airlines