Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Tamuning from $515

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 11/29. 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 - 3:00 pmSEA-GUM
31h 20m1 stop
Multiple Airlines Logo
12:20 am - 8:38 pmGUM-SEA
38h 18m2 stops
$1,143Multiple Airlines
Find Deal
Sat, Nov 29 - Mon, Dec 8
Multiple Airlines Logo
1:40 pm - 11:00 pmSEA-GUM
39h 20m1 stop
Multiple Airlines Logo
4:15 pm - 10:50 amGUM-SEA
36h 35m2 stops
$1,220Multiple Airlines
Find Deal
Sat, Nov 29 - Tue, Dec 9
Multiple Airlines Logo
1:45 pm - 3:00 pmSEA-GUM
31h 15m1 stop
Multiple Airlines Logo
12:20 am - 1:45 pmGUM-SEA
31h 25m1 stop
$1,245Multiple Airlines
Find Deal
Sun, Nov 16 - Fri, Nov 21
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
5:00 am - 11:05 pmSEA-GUM
24h 05m2 stops
Delta Logo
1:00 am - 1:20 pmGUM-SEA
30h 20m1 stop
$1,549Delta
Find Deal
Mon, Feb 9 - Tue, Feb 24
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
United Airlines Logo
7:30 pm - 7:05 pmSEA-GUM
29h 35m2 stops
United Airlines Logo
7:40 am - 9:01 pmGUM-SEA
31h 21m3 stops
$1,818United Airlines
Find Deal
Mon, Feb 9 - Wed, Feb 25
United Airlines Logo
6:03 am - 7:05 pmSEA-GUM
19h 02m2 stops
United Airlines Logo
12:30 pm - 9:01 pmGUM-SEA
26h 31m3 stops
$1,845United Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 23
United Airlines Logo
5:05 am - 7:05 pmSEA-GUM
20h 00m2 stops
United Airlines Logo
7:40 am - 9:49 amGUM-SEA
20h 09m2 stops
$1,868United Airlines
Find Deal
Thu, Feb 12 - Sun, Feb 22
United Airlines Logo
5:05 am - 7:05 pmSEA-GUM
20h 00m2 stops
United Airlines Logo
7:40 am - 9:01 pmGUM-SEA
55h 21m3 stops
$1,904United Airlines
Find Deal
Thu, Feb 12 - Sun, Feb 22

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 22
GUM1:00 amTamuning Guam Intl
30h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,544
Find similar
Delta
Feb 9
SEA5:00 amSeattle/Tacoma Intl
24h 05m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 24
GUM1:00 amTamuning Guam Intl
30h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,549
Find similar
Delta
Feb 9
SEA5:00 amSeattle/Tacoma Intl
24h 05m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 23
GUM4:50 pmTamuning Guam Intl
49h 19m
2 stops
SEA12:09 amSeattle/Tacoma Intl
$1,553
Find similar

United Airlines flights from Seattle to Tamuning

Our best United Airlines deals on Seattle to Tamuning flight tickets
United Airlines
Feb 9
SEA7:30 pmSeattle/Tacoma Intl
29h 35m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 25
GUM7:40 amTamuning Guam Intl
31h 21m
3 stops
SEA9:01 pmSeattle/Tacoma Intl
$1,818
Find similar
United Airlines
Feb 9
SEA6:03 amSeattle/Tacoma Intl
19h 02m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 23
GUM12:30 pmTamuning Guam Intl
26h 31m
3 stops
SEA9:01 pmSeattle/Tacoma Intl
$1,845
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

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 5, 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

Sat 11/29

1:40 pm-3:00 pm

1 stop31h 20m

Tamuning Guam Intl

Mon 12/8

12:20 am-8:38 pm

2 stops38h 18m

$1,143

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 11/29

1:40 pm-11:00 pm

1 stop39h 20m

Tamuning Guam Intl

Tue 12/9

4:15 pm-10:50 am

2 stops36h 35m

$1,220

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 11/16

1:45 pm-3:00 pm

1 stop31h 15m

Tamuning Guam Intl

Fri 11/21

12:20 am-1:45 pm

1 stop31h 25m

$1,245

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

5:00 am-11:05 pm

2 stops24h 05m

Tamuning Guam Intl

Tue 2/24

1:00 am-1:20 pm

1 stop30h 20m

$1,549

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

Mon 2/9

7:30 pm-7:05 pm

2 stops29h 35m

Tamuning Guam Intl

Wed 2/25

7:40 am-9:01 pm

3 stops31h 21m

$1,818

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

6:03 am-7:05 pm

2 stops19h 02m

Tamuning Guam Intl

Mon 2/23

12:30 pm-9:01 pm

3 stops26h 31m

$1,845

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/12

5:05 am-7:05 pm

2 stops20h 00m

Tamuning Guam Intl

Sun 2/22

7:40 am-9:49 am

2 stops20h 09m

$1,868

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/12

5:05 am-7:05 pm

2 stops20h 00m

Tamuning Guam Intl

Sun 2/22

7:40 am-9:01 pm

3 stops55h 21m

$1,904

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 October is, on average, the cheapest month to fly to Tamuning from Seattle, with most prices found around $1,571. 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 $1,617.

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 $1,839 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?

As of November 2025, prices for Seattle to Tamuning flights are approximately 8% more expensive when compared to flights at the same time last year.

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.
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 17h 35m.

  • 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
9,002 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.

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
Fri 12/5
Fri 12/12
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
Delta
American Airlines
United Airlines
Turkish Airlines
Lufthansa
Frontier
British Airways
Qatar Airways
Spirit Airlines
Ryanair
Alaska Airlines
Emirates