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Cheap flights from Seattle to Guam from $552

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 Guam departing on 8/31. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Guam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:35 pm - 3:35 pmSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
33h 00m1 stop Incheon Intl
Multiple Airlines Logo
2:00 am - 1:40 pmGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
28h 40m1 stop Incheon Intl
$1,108Multiple Airlines
Fri, Sep 25 - Sun, Sep 27
Multiple Airlines Logo
1:35 pm - 3:35 pmSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
33h 00m1 stop Incheon Intl
Multiple Airlines Logo
2:00 am - 1:40 pmGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
28h 40m1 stop Incheon Intl
$1,108Multiple Airlines
Thu, Sep 17 - Wed, Sep 23
Multiple Airlines Logo
1:20 pm - 2:35 pmSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
32h 15m1 stop Tokyo Narita
Multiple Airlines Logo
4:35 pm - 11:05 amGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
35h 30m1 stop Tokyo Narita
$1,141Multiple Airlines
Sun, Sep 13 - Sat, Sep 19
Multiple Airlines Logo
1:20 pm - 2:35 pmSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
32h 15m1 stop Tokyo Narita
Multiple Airlines Logo
4:35 pm - 11:05 amGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
35h 30m1 stop Tokyo Narita
$1,141Multiple Airlines
Wed, Sep 9 - Sat, Sep 19
Delta Logo
12:55 pm - 1:00 amSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
18h 05m1 stop Incheon Intl
Delta Logo
2:40 am - 11:50 amGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
27h 10m1 stop Incheon Intl
$1,545Delta
Wed, Feb 10 - Tue, Feb 23
Delta Logo
12:35 pm - 2:35 pmSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
32h 00m1 stop Incheon Intl
Delta Logo
2:40 am - 11:56 amGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
27h 16m1 stop Incheon Intl
$1,545Delta
Wed, Nov 11 - Mon, Nov 30
Delta Logo
6:00 pm - 1:00 amSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
37h 00m2 stops Minneapolis St Paul Incheon Intl
Delta Logo
4:50 pm - 11:50 amGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
37h 00m1 stop Incheon Intl
$1,550Delta
Wed, Feb 10 - Wed, Feb 24
United Airlines Logo
5:00 am - 7:00 pmSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
20h 00m2 stops San Francisco Honolulu
United Airlines Logo
7:45 am - 12:12 pmGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
22h 27m2 stops Honolulu San Francisco
$1,819United Airlines
Wed, Feb 10 - Wed, Feb 24
United Airlines Logo
5:00 am - 7:00 pmSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
20h 00m2 stops San Francisco Honolulu
United Airlines Logo
7:45 am - 3:54 pmGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
26h 09m3 stops Honolulu Los Angeles San Francisco
$1,819United Airlines
Wed, Feb 10 - Wed, Feb 24
United Airlines Logo
3:35 pm - 7:00 pmSEA  Seattle/Tacoma Intl-GUM Tamuning Guam Intl
33h 25m2 stops San Francisco Honolulu
United Airlines Logo
7:45 am - 3:54 pmGUM  Tamuning Guam Intl-SEA Seattle/Tacoma Intl
26h 09m3 stops Honolulu Los Angeles San Francisco
$1,836United Airlines
Wed, Nov 11 - Tue, Dec 1

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Delta flights from Seattle to Guam

Our best Delta deals on Seattle to Guam flight tickets
Delta
Nov 11
SEA12:35 pmSeattle/Tacoma Intl
32h 00m
1 stop
GUM2:35 pmTamuning Guam Intl
Nov 30
GUM2:40 amTamuning Guam Intl
27h 16m
1 stop
SEA11:56 amSeattle/Tacoma Intl
$1,545
Delta
Nov 11
SEA7:55 pmSeattle/Tacoma Intl
35h 05m
2 stops
GUM1:00 amTamuning Guam Intl
Dec 1
GUM4:50 pmTamuning Guam Intl
42h 02m
2 stops
SEA4:52 pmSeattle/Tacoma Intl
$1,554
Delta
Nov 16
SEA12:35 pmSeattle/Tacoma Intl
32h 00m
1 stop
GUM2:35 pmTamuning Guam Intl
Nov 26
GUM2:40 amTamuning Guam Intl
27h 11m
1 stop
SEA11:51 amSeattle/Tacoma Intl
$1,595

United Airlines flights from Seattle to Guam

Our best United Airlines deals on Seattle to Guam flight tickets
United Airlines
Aug 19
SEA7:11 amSeattle/Tacoma Intl
17h 54m
2 stops
GUM6:05 pmTamuning Guam Intl
Aug 26
GUM7:05 amTamuning Guam Intl
31h 10m
3 stops
SEA9:15 pmSeattle/Tacoma Intl
$2,708
United Airlines
Aug 19
SEA7:11 amSeattle/Tacoma Intl
17h 54m
2 stops
GUM6:05 pmTamuning Guam Intl
Aug 21
GUM7:05 amTamuning Guam Intl
33h 21m
3 stops
SEA11:26 pmSeattle/Tacoma Intl
$2,758

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Guam 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 August 18, 2026.
Use the filters below to find and compare flights from Seattle to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Fri 9/25

1:35 pm-3:35 pm

1 stop33h 00m

Tamuning Guam Intl

Sun 9/27

2:00 am-1:40 pm

1 stop28h 40m

$1,108

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 9/17

1:35 pm-3:35 pm

1 stop33h 00m

Tamuning Guam Intl

Wed 9/23

2:00 am-1:40 pm

1 stop28h 40m

$1,108

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Sun 9/13

1:20 pm-2:35 pm

1 stop32h 15m

Tamuning Guam Intl

Sat 9/19

4:35 pm-11:05 am

1 stop35h 30m

$1,141

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 9/9

1:20 pm-2:35 pm

1 stop32h 15m

Tamuning Guam Intl

Sat 9/19

4:35 pm-11:05 am

1 stop35h 30m

$1,141

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 2/10

12:55 pm-1:00 am

1 stop18h 05m

Tamuning Guam Intl

Tue 2/23

2:40 am-11:50 am

1 stop27h 10m

$1,545

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 11/11

12:35 pm-2:35 pm

1 stop32h 00m

Tamuning Guam Intl

Mon 11/30

2:40 am-11:56 am

1 stop27h 16m

$1,545

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 2/10

6:00 pm-1:00 am

2 stops37h 00m

Tamuning Guam Intl

Wed 2/24

4:50 pm-11:50 am

1 stop37h 00m

$1,550
Quickest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 2/10

5:00 am-7:00 pm

2 stops20h 00m

Tamuning Guam Intl

Wed 2/24

7:45 am-12:12 pm

2 stops22h 27m

$1,819

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 2/10

5:00 am-7:00 pm

2 stops20h 00m

Tamuning Guam Intl

Wed 2/24

7:45 am-3:54 pm

3 stops26h 09m

$1,819

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 11/11

3:35 pm-7:00 pm

2 stops33h 25m

Tamuning Guam Intl

Tue 12/1

7:45 am-3:54 pm

3 stops26h 09m

$1,836

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Guam from

How to get the cheapest flight ticket from Seattle to Guam

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 Guam?

If you aren’t able to travel during the month of August, then book flights to Guam from Seattle during October instead. Flights to Guam in October, while not as cheap as those in August, still average around $1,594.

Can stopping save me money on Seattle to Guam flights?

You could potentially save up to 39% on your flight if you consider stops on a Seattle to Guam flight.

Cheap Seattle to Guam flight deals and tips

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

Best Price Found

$552

Fastest flight time

20h 00m

Direct flights

None
The best one-way flight to Guam from Seattle in the past 72 hours is $552. The best round-trip flight deal from Seattle to Guam found on momondo in the last 72 hours is $1,108.
The fastest flight from Seattle to Guam takes 20h 00m
There are no direct flights from Seattle to Guam. There are no popular flight routes from Seattle to Guam.
Search flight deals

Frequently asked questions about flying from Seattle to Guam

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

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

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

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

    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 Guam.

  • What documentation or ID do you need to fly to Guam?

    The necessary travel and health documents for your Guam 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.

Best airlines flying from Seattle to Guam

Compare and see reviews for airlines that fly from Seattle to Guam with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $403Free CancellationRating
7.4
10,100 reviews
Search United Airlines flights
DeltaPriceFrom $1,544Free CancellationRating
7.8
8,499 reviews
Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Guam. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Seattle to Guam on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Guam.

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

Yes momondo offers price alerts on flights to Guam from Seattle. 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.

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