Which layover airport has the shortest connection time from Seattle to Tamuning?

Vancouver (YVR) has the shortest average layover time for this route: 3h 18m.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Tamuning Guam Intl?

Hawaiian Airlines and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Tamuning Guam Intl

Which layover airport offers the lowest fares from Seattle to Tamuning?

Flights via Incheon (ICN) offer the lowest average round-trip price of $925.

Which airport is the most popular layover for flights between Seattle and Tamuning?

Vancouver (YVR) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Seattle to Tamuning?

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 15h 09m.

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?

There are 2 operators available for flights from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport as of September 2025.

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.

$582 Cheap Flights from Seattle to Tamuning in 2025/26

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Find the cheapest flights from Seattle to Tamuning

Round-trip

One-way

Last minute

Cheap round-trip flights

2:50 pm - 11:10 pmSEA-GUM

39h 20m1 stop

3:05 am - 2:35 pmGUM-SEA

28h 30m1 stop

$1,208

Find Deal

Fri, Sep 26 - Sun, Oct 5

1:45 pm - 3:00 pmSEA-GUM

31h 15m1 stop

2:20 am - 6:36 pmGUM-SEA

34h 16m2 stops

$1,292

Find Deal

Sun, Nov 16 - Sat, Nov 29

2:55 pm - 11:10 pmSEA-GUM

39h 15m1 stop

12:20 am - 9:57 pmGUM-SEA

39h 37m2 stops

$1,341

Find Deal

Sun, Oct 19 - Sat, Nov 8

11:25 am - 11:05 pmSEA-GUM

17h 40m1 stop

4:50 pm - 1:20 pmGUM-SEA

38h 30m1 stop

$1,544Delta

Find Deal

Mon, Feb 9 - Wed, Feb 25

5:45 am - 11:05 pmSEA-GUM

23h 20m2 stops

1:00 am - 1:20 pmGUM-SEA

30h 20m1 stop

$1,549Delta

Find Deal

Mon, Feb 9 - Sun, Feb 22

5:45 am - 11:05 pmSEA-GUM

23h 20m2 stops

4:50 pm - 8:32 pmGUM-SEA

45h 42m2 stops

$1,553Delta

Find Deal

Mon, Feb 9 - Wed, Feb 25

7:30 pm - 7:05 pmSEA-GUM

29h 35m2 stops

7:40 am - 9:01 pmGUM-SEA

31h 21m3 stops

$1,817United Airlines

Find Deal

Mon, Feb 9 - Wed, Feb 25

6:03 am - 7:05 pmSEA-GUM

19h 02m2 stops

1:00 pm - 9:01 pmGUM-SEA

26h 01m3 stops

$1,845United Airlines

Find Deal

Mon, Feb 9 - Mon, Feb 23

5:15 am - 7:05 pmSEA-GUM

19h 50m2 stops

7:40 am - 1:25 pmGUM-SEA

23h 45m2 stops

$1,867United Airlines

Find Deal

Thu, Feb 12 - Sun, Feb 22

5:30 am - 6:50 pmSEA-GUM

19h 20m2 stops

7:40 am - 9:12 pmGUM-SEA

31h 32m3 stops

$1,917United Airlines

Find Deal

Tue, Dec 16 - Thu, Jan 8

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 25

GUM4:50 pmTamuning Guam Intl

38h 30m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$1,544

Find similar

Delta

Feb 9

SEA5:45 amSeattle/Tacoma Intl

23h 20m

2 stops

GUM11:05 pmTamuning Guam Intl

Feb 22

GUM1:00 amTamuning Guam Intl

30h 20m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$1,549

Find similar

Delta

Feb 9

SEA5:45 amSeattle/Tacoma Intl

23h 20m

2 stops

GUM11:05 pmTamuning Guam Intl

Feb 25

GUM4:50 pmTamuning Guam Intl

45h 42m

2 stops

SEA8:32 pmSeattle/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

$1,817

Find similar

United Airlines

Feb 9

SEA6:03 amSeattle/Tacoma Intl

19h 02m

2 stops

GUM7:05 pmTamuning Guam Intl

Feb 23

GUM1:00 pmTamuning Guam Intl

26h 01m

3 stops

SEA9:01 pmSeattle/Tacoma Intl

$1,845

Find similar

United Airlines

Feb 12

SEA5:15 amSeattle/Tacoma Intl

19h 50m

2 stops

GUM7:05 pmTamuning Guam Intl

Feb 22

GUM7:40 amTamuning Guam Intl

23h 45m

2 stops

SEA1:25 pmSeattle/Tacoma Intl

$1,867

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 9/26

2:50 pm-11:10 pm

1 stop39h 20m

Tamuning Guam Intl

Sun 10/5

3:05 am-2:35 pm

1 stop28h 30m

$1,208

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 11/16

1:45 pm-3:00 pm

1 stop31h 15m

Tamuning Guam Intl

Sat 11/29

2:20 am-6:36 pm

2 stops34h 16m

$1,292

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 10/19

2:55 pm-11:10 pm

1 stop39h 15m

Tamuning Guam Intl

Sat 11/8

12:20 am-9:57 pm

2 stops39h 37m

$1,341

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Wed 2/25

4:50 pm-1:20 pm

1 stop38h 30m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

5:45 am-11:05 pm

2 stops23h 20m

Tamuning Guam Intl

Sun 2/22

1:00 am-1:20 pm

1 stop30h 20m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

5:45 am-11:05 pm

2 stops23h 20m

Tamuning Guam Intl

Wed 2/25

4:50 pm-8:32 pm

2 stops45h 42m

$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

$1,817

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

1:00 pm-9:01 pm

3 stops26h 01m

$1,845

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/12

5:15 am-7:05 pm

2 stops19h 50m

Tamuning Guam Intl

Sun 2/22

7:40 am-1:25 pm

2 stops23h 45m

$1,867

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 12/16

5:30 am-6:50 pm

2 stops19h 20m

Tamuning Guam Intl

Thu 1/8

7:40 am-9:12 pm

3 stops31h 32m

$1,917

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 March instead. Flights to Tamuning in March, while not as cheap as those in October, still average around $1,693.

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 $1,881 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 $1,459 on momondo.

Can stopping save me money on Seattle to Tamuning flights?

You could potentially save up to 22% 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 September 2025, prices for Seattle to Tamuning flights are approximately 2% 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 15h 15m.
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?
There are 2 operators available for flights from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport as of September 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Tamuning is United Airlines (66% of total bookings). The next most popular airline is Delta (34%).

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 Airlines	PriceFrom $532	Free Cancellation	Rating 7.4 8,931 reviews		Search United Airlines flights
Delta	PriceFrom $1,543	Free Cancellation	Rating 7.9 7,956 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

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Cheap flights from Seattle to Tamuning from $582

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 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Seattle to Tamuning

Our best Delta deals on Seattle to Tamuning flight tickets

United Airlines flights from Seattle to Tamuning

Our best United Airlines deals on Seattle to Tamuning flight tickets

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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?

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?

Can stopping save me money on Seattle to Tamuning flights?

You could potentially save up to 22% 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 September 2025, prices for Seattle to Tamuning flights are approximately 2% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Tamuning Guam Intl?

Hawaiian Airlines and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Tamuning Guam Intl

Which airport is the most popular layover for flights between Seattle and Tamuning?

Vancouver (YVR) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Tamuning?

Flights via Incheon (ICN) offer the lowest average round-trip price of $925.

Which layover airport has the shortest travel time from Seattle to Tamuning?

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 15h 09m.

Which layover airport has the shortest connection time from Seattle to Tamuning?

Vancouver (YVR) has the shortest average layover time for this route: 3h 18m.

When to book flights from Seattle to Tamuning

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

How far is Seattle/Tacoma Intl to Tamuning Guam Intl by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Tamuning Guam Intl Airport?

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?

What documentation or ID do you need to fly to Tamuning Guam Intl Airport?

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

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Tamuning?

Can I find flights from Seattle to Tamuning with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Tamuning?

I’m not ready to book a flight from Seattle to Tamuning right now. Can momondo alert me if prices change?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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