What airlines fly to Seattle?

United Airlines, Jin Air and Delta are the top three most popular airlines that fly to Seattle from Tamuning according to our data. United Airlines is the first choice among our users, with 81% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport?

As of November 2025, there are 3 operators available to choose from for flights from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$704 Cheap Flights from Tamuning to Seattle in 2025/26

Q: What is the typical price of a round-trip flight between Tamuning and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $1,637 to $1,871. The lowest price recently found on this route was $1,377.

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7:40 am - 9:12 pmGUM-SEA

31h 32m3 stops

5:05 am - 3:55 pmSEA-GUM

40h 50m2 stops

$1,377United Airlines

Find Deal

Thu, Jan 29 - Thu, Feb 12

5:00 pm - 2:00 pmGUM-SEA

38h 00m1 stop

11:59 pm - 3:15 pmSEA-GUM

46h 16m2 stops

$1,437Delta

Find Deal

Tue, Apr 14 - Thu, Apr 30

7:40 am - 11:29 amGUM-SEA

21h 49m2 stops

9:25 am - 3:40 pmSEA-GUM

60h 15m2 stops

$1,527United Airlines

Find Deal

Thu, Jan 8 - Thu, Jan 15

12:30 pm - 11:15 pmGUM-SEA

28h 45m3 stops

7:30 pm - 7:05 pmSEA-GUM

29h 35m2 stops

$1,533United Airlines

Find Deal

Tue, Dec 16 - Thu, Jan 15

4:10 pm - 1:45 pmGUM-SEA

39h 35m1 stop

7:55 pm - 1:10 amSEA-GUM

59h 15m2 stops

$1,559Multiple Airlines

Find Deal

Thu, Dec 18 - Mon, Jan 5

7:40 am - 4:52 pmGUM-SEA

27h 12m2 stops

5:54 pm - 3:40 pmSEA-GUM

51h 46m2 stops

$1,577United Airlines

Find Deal

Thu, Dec 18 - Mon, Jan 5

4:50 pm - 1:45 pmGUM-SEA

38h 55m1 stop

1:40 pm - 11:05 pmSEA-GUM

39h 25m1 stop

$1,581Multiple Airlines

Find Deal

Thu, Jan 8 - Thu, Jan 15

1:00 am - 1:20 pmGUM-SEA

30h 20m1 stop

3:35 pm - 11:05 pmSEA-GUM

37h 30m2 stops

$1,602Delta

Find Deal

Mon, Dec 15 - Thu, Jan 15

1:00 am - 1:20 pmGUM-SEA

30h 20m1 stop

11:25 am - 11:05 pmSEA-GUM

17h 40m1 stop

$1,608Delta

Find Deal

Mon, Dec 15 - Thu, Jan 15

1:00 am - 11:25 pmGUM-SEA

40h 25m2 stops

3:35 pm - 11:05 pmSEA-GUM

37h 30m2 stops

$1,632Delta

Find Deal

Mon, Dec 15 - Thu, Jan 15

Delta flights from Tamuning to Seattle

Our best Delta deals on Tamuning to Seattle flight tickets

Delta

Apr 14

GUM5:00 pmTamuning Guam Intl

38h 00m

1 stop

SEA2:00 pmSeattle/Tacoma Intl

Apr 30

SEA11:59 pmSeattle/Tacoma Intl

46h 16m

2 stops

GUM3:15 pmTamuning Guam Intl

$1,437

Find similar

Delta

Dec 15

GUM1:00 amTamuning Guam Intl

30h 20m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

Jan 15

SEA3:35 pmSeattle/Tacoma Intl

37h 30m

2 stops

GUM11:05 pmTamuning Guam Intl

$1,602

Find similar

Delta

Dec 15

GUM1:00 amTamuning Guam Intl

30h 20m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

Jan 15

SEA11:25 amSeattle/Tacoma Intl

17h 40m

1 stop

GUM11:05 pmTamuning Guam Intl

$1,608

Find similar

United Airlines flights from Tamuning to Seattle

Our best United Airlines deals on Tamuning to Seattle flight tickets

United Airlines

Jan 29

GUM7:40 amTamuning Guam Intl

28h 47m

2 stops

SEA6:27 pmSeattle/Tacoma Intl

Feb 12

SEA5:05 amSeattle/Tacoma Intl

40h 50m

2 stops

GUM3:55 pmTamuning Guam Intl

$1,377

Find similar

United Airlines

Apr 14

GUM7:05 amTamuning Guam Intl

33h 31m

3 stops

SEA11:36 pmSeattle/Tacoma Intl

Apr 30

SEA5:00 amSeattle/Tacoma Intl

20h 05m

2 stops

GUM6:05 pmTamuning Guam Intl

$1,392

Find similar

United Airlines

Jan 8

GUM7:40 amTamuning Guam Intl

31h 32m

3 stops

SEA9:12 pmSeattle/Tacoma Intl

Jan 15

SEA7:30 pmSeattle/Tacoma Intl

50h 10m

2 stops

GUM3:40 pmTamuning Guam Intl

$1,527

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 1/29

7:40 am-9:12 pm

3 stops31h 32m

Seattle/Tacoma Intl

Thu 2/12

5:05 am-3:55 pm

2 stops40h 50m

$1,377

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Tue 4/14

5:00 pm-2:00 pm

1 stop38h 00m

Seattle/Tacoma Intl

Thu 4/30

11:59 pm-3:15 pm

2 stops46h 16m

$1,437

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 1/8

7:40 am-11:29 am

2 stops21h 49m

Seattle/Tacoma Intl

Thu 1/15

9:25 am-3:40 pm

2 stops60h 15m

$1,527

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Tue 12/16

12:30 pm-11:15 pm

3 stops28h 45m

Seattle/Tacoma Intl

Thu 1/15

7:30 pm-7:05 pm

2 stops29h 35m

$1,533

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 12/18

4:10 pm-1:45 pm

1 stop39h 35m

Seattle/Tacoma Intl

Mon 1/5

7:55 pm-1:10 am

2 stops59h 15m

$1,559

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 12/18

7:40 am-4:52 pm

2 stops27h 12m

Seattle/Tacoma Intl

Mon 1/5

5:54 pm-3:40 pm

2 stops51h 46m

$1,577

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 1/8

4:50 pm-1:45 pm

1 stop38h 55m

Seattle/Tacoma Intl

Thu 1/15

1:40 pm-11:05 pm

1 stop39h 25m

$1,581

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Mon 12/15

1:00 am-1:20 pm

1 stop30h 20m

Seattle/Tacoma Intl

Thu 1/15

3:35 pm-11:05 pm

2 stops37h 30m

$1,602

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Mon 12/15

1:00 am-1:20 pm

1 stop30h 20m

Seattle/Tacoma Intl

Thu 1/15

11:25 am-11:05 pm

1 stop17h 40m

$1,608

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Mon 12/15

1:00 am-11:25 pm

2 stops40h 25m

Seattle/Tacoma Intl

Thu 1/15

3:35 pm-11:05 pm

2 stops37h 30m

$1,632

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Tamuning to Seattle

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

What is the typical price of a round-trip flight between Tamuning and Seattle?

What is the cheapest month to fly to Seattle?

In general, July is the cheapest month to fly from Tamuning to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $726. If you don’t want to visit Seattle in July, then you should wait until January to fly from Tamuning, when ticket prices are also cheap, with an average price of $1,382.

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

On average, the least expensive day to fly to Seattle from Tamuning is on a Monday. momondo users have found tickets for Monday departures for as low as $1,502. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Tamuning because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,631.

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

Flying to Seattle from Tamuning in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,575 when looking at flights departing in the morning. Flights to Seattle are more costly at noon, with an average ticket price of $1,631. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Tamuning to Seattle flights?

You could potentially save up to 1% on your flight if you consider stops on a Tamuning to Seattle flight.

How have Tamuning to Seattle flight prices changed over time?

When to book flights from Tamuning to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Tamuning to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Tamuning to Seattle (GUM to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tamuning to Seattle

Fastest flight time	24h 17m
Direct flights	None

The fastest flight from Tamuning to Seattle takes 24h 17m

There are no direct flights from Tamuning to Seattle. There are no popular flight routes from Tamuning to Seattle.

Search flight deals

How far is Tamuning Guam Intl to Seattle/Tacoma Intl by plane?
The distance between Tamuning Guam Intl and Seattle/Tacoma Intl is about 5661.0 mi. Typically, this will take 26h 37m by plane in normal conditions.
When did momondo last update prices for flights from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport?
As of November 2025, there are 3 operators available to choose from for flights from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tamuning Guam Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Tamuning to Seattle?
Based on momondo bookings for flights between Tamuning and Seattle, the leading airline is United Airlines, making up 81% of the total bookings. Other popular airlines include Jin Air with 10% and Delta with 9%.

Best airlines flying from Tamuning to Seattle

Compare and see reviews for airlines that fly from Tamuning to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Jin Air	PriceFrom $285	Free Cancellation	Rating 0.0 0 reviews	Search Jin Air flights
Delta	PriceFrom $726	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
United Airlines	PriceFrom $1,384	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights

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Tukwila

Cle Elum

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Fife

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Tamuning.

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

Yes. momondo allows you to filter the results for Tamuning to Seattle flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Tamuning and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Seattle from Tamuning. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.