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

Alaska Airlines is the most popular carrier operating from Guam to Seattle/Tacoma Intl

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

Prices for flights from Guam to Seattle/Tacoma Intl Airport refresh daily.

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

As of October 2026, there is 1 operator available to choose from for flights from Guam to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Guam 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 Guam 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.

$512 Cheap Flights from Guam to Seattle in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Guam to Seattle

Round-trip

One-way

Recent round-trip flight deals from Guam to Seattle

Enter your travel dates to find the best prices.

2:40 am - 12:55 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 15m1 stop Incheon Intl

12:40 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 20m1 stop Incheon Intl

$1,091Multiple Airlines

Wed, Nov 18 - Thu, Nov 26

2:40 am - 12:55 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 15m1 stop Incheon Intl

12:40 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 20m1 stop Incheon Intl

$1,109Multiple Airlines

Wed, Nov 18 - Thu, Nov 26

2:40 am - 1:10 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 30m1 stop Incheon Intl

12:40 pm - 3:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 25m1 stop Incheon Intl

$1,159Multiple Airlines

Fri, Feb 19 - Sat, Feb 27

4:45 pm - 10:15 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

34h 30m1 stop Tokyo Narita

11:55 am - 2:45 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 50m1 stop Tokyo Narita

$1,234Alaska Airlines

Thu, Oct 29 - Wed, Nov 11

7:45 am - 12:20 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

22h 35m2 stops Honolulu San Francisco

7:00 am - 10:25 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

21h 25m2 stops San Francisco Tokyo Narita

$1,373United Airlines

Thu, Nov 19 - Thu, Nov 26

7:45 am - 9:40 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

19h 55m2 stops Honolulu San Francisco

7:00 am - 4:20 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

39h 20m2 stops San Francisco Osaka Kansai Intl

$1,378United Airlines

Thu, Nov 19 - Thu, Nov 26

7:45 am - 11:18 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

32h 33m3 stops Honolulu Denver Intl San Francisco

6:00 am - 4:40 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

28h 40m2 stops Los Angeles Tokyo Haneda

$1,383United Airlines

Thu, Oct 29 - Wed, Nov 11

7:45 am - 12:20 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

21h 35m2 stops Honolulu San Francisco

6:00 am - 4:40 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

28h 40m2 stops Los Angeles Tokyo Haneda

$1,383United Airlines

Thu, Oct 29 - Wed, Nov 11

2:40 am - 12:51 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 11m1 stop Incheon Intl

12:30 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 30m1 stop Incheon Intl

$1,385Delta

Wed, Oct 28 - Wed, Nov 11

2:40 am - 12:51 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 11m1 stop Incheon Intl

7:55 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

35h 05m2 stops Salt Lake City Incheon Intl

$1,389Delta

Wed, Oct 28 - Wed, Nov 11

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Delta flights from Guam to Seattle

Our best Delta deals on Guam to Seattle flight tickets

Delta

Oct 28

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

Nov 11

SEA12:30 pmSeattle/Tacoma Intl

18h 30m

1 stop

GUM1:00 amTamuning Guam Intl

$1,385

Delta

Oct 28

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

Nov 11

SEA7:55 pmSeattle/Tacoma Intl

35h 05m

2 stops

GUM1:00 amTamuning Guam Intl

$1,389

Delta

Oct 28

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

Nov 11

SEA7:55 pmSeattle/Tacoma Intl

35h 05m

2 stops

GUM1:00 amTamuning Guam Intl

$1,390

United Airlines flights from Guam to Seattle

Our best United Airlines deals on Guam to Seattle flight tickets

United Airlines

Nov 19

GUM7:45 amTamuning Guam Intl

22h 35m

2 stops

SEA12:20 pmSeattle/Tacoma Intl

Nov 26

SEA7:00 amSeattle/Tacoma Intl

21h 25m

2 stops

GUM10:25 pmTamuning Guam Intl

$1,373

United Airlines

Nov 19

GUM7:45 amTamuning Guam Intl

19h 55m

2 stops

SEA9:40 amSeattle/Tacoma Intl

Nov 26

SEA7:00 amSeattle/Tacoma Intl

39h 20m

2 stops

GUM4:20 pmTamuning Guam Intl

$1,378

United Airlines

Oct 29

GUM7:45 amTamuning Guam Intl

32h 33m

3 stops

SEA11:18 pmSeattle/Tacoma Intl

Nov 11

SEA6:00 amSeattle/Tacoma Intl

28h 40m

2 stops

GUM4:40 amTamuning Guam Intl

$1,383

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Wed 11/18

2:40 am-12:55 pm

1 stop28h 15m

Seattle/Tacoma Intl

Thu 11/26

12:40 pm-1:00 am

1 stop18h 20m

$1,091

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Wed 11/18

2:40 am-12:55 pm

1 stop28h 15m

Seattle/Tacoma Intl

Thu 11/26

12:40 pm-1:00 am

1 stop18h 20m

$1,109

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Fri 2/19

2:40 am-1:10 pm

1 stop28h 30m

Seattle/Tacoma Intl

Sat 2/27

12:40 pm-3:05 pm

1 stop32h 25m

$1,159

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Thu 10/29

4:45 pm-10:15 am

1 stop34h 30m

Seattle/Tacoma Intl

Wed 11/11

11:55 am-2:45 pm

1 stop32h 50m

$1,234

Quickest round-trip

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Thu 11/19

7:45 am-12:20 pm

2 stops22h 35m

Seattle/Tacoma Intl

Thu 11/26

7:00 am-10:25 pm

2 stops21h 25m

$1,373

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Thu 11/19

7:45 am-9:40 am

2 stops19h 55m

Seattle/Tacoma Intl

Thu 11/26

7:00 am-4:20 pm

2 stops39h 20m

$1,378

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Thu 10/29

7:45 am-11:18 pm

3 stops32h 33m

Seattle/Tacoma Intl

Wed 11/11

6:00 am-4:40 am

2 stops28h 40m

$1,383

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Thu 10/29

7:45 am-12:20 pm

2 stops21h 35m

Seattle/Tacoma Intl

Wed 11/11

6:00 am-4:40 am

2 stops28h 40m

$1,383

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Wed 10/28

2:40 am-12:51 pm

1 stop27h 11m

Seattle/Tacoma Intl

Wed 11/11

12:30 pm-1:00 am

1 stop18h 30m

$1,385

TamuningSeattle

GUM Tamuning Guam Intl - SEA Seattle/Tacoma Intl

GUMSEA

Tamuning Guam Intl

Wed 10/28

2:40 am-12:51 pm

1 stop27h 11m

Seattle/Tacoma Intl

Wed 11/11

7:55 pm-1:00 am

2 stops35h 05m

$1,389

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 Guam 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 cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Guam to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,383. If you don’t want to visit Seattle in January, then you should wait until November to fly from Guam, when ticket prices are also cheap, with an average price of $1,392.

Cheap Guam to Seattle flight deals and tips

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

Best Price Found	$512
Fastest flight time	32h 33m
Direct flights	None

The best one-way flight to Seattle from Guam in the past 72 hours is $512. The best round-trip flight deal from Guam to Seattle found on momondo in the last 72 hours is $1,091.

The fastest flight from Guam to Seattle takes 32h 33m

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

Search flight deals

Frequently asked questions about flying from Guam to Seattle

When did momondo last update prices for flights from Guam to Seattle/Tacoma Intl Airport?
Prices for flights from Guam to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Guam to Seattle/Tacoma Intl Airport?
As of October 2026, there is 1 operator available to choose from for flights from Guam to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Guam 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 Guam 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.

Best airlines flying from Guam to Seattle

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,392	Free Cancellation	Rating 7.4 10,289 reviews		Search United Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Redmond

Kent

Olympia

Lakewood

Federal Way

Tukwila

Fife

Puyallup

Lynnwood

Cle Elum

Marysville

Lacey

Kirkland

Centralia

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Guam 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 Guam.

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

Yes. All flights to Seattle from Guam on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Seattle from Guam. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Guam to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.