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Cheap flights from Seattle to Guam from $667

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 7/13. 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
2:05 pm - 3:35 am
SEA
-
GUM
20h 30m
1 stop
Multiple Airlines Logo
6:00 am - 2:05 pm
GUM
-
SEA
49h 05m
2 stops
$1,514Multiple Airlines
Sun, Jul 26 - Sun, Aug 2
Multiple Airlines Logo
1:20 pm - 2:40 pm
SEA
-
GUM
32h 20m
1 stop
Multiple Airlines Logo
4:40 pm - 11:05 am
GUM
-
SEA
35h 25m
1 stop
$1,515Multiple Airlines
Fri, Oct 9 - Fri, Oct 23
Delta Logo
1:00 pm - 11:55 pm
SEA
-
GUM
17h 55m
1 stop
Delta Logo
4:50 pm - 12:51 pm
GUM
-
SEA
37h 01m
1 stop
$1,544Delta
Mon, Oct 19 - Mon, Oct 26
Delta Logo
11:59 pm - 11:55 pm
SEA
-
GUM
30h 56m
2 stops
Delta Logo
4:50 pm - 12:51 pm
GUM
-
SEA
37h 01m
1 stop
$1,549Delta
Sun, Sep 20 - Tue, Oct 27
Delta Logo
11:59 pm - 11:55 pm
SEA
-
GUM
30h 56m
2 stops
Delta Logo
4:50 pm - 11:59 pm
GUM
-
SEA
48h 09m
2 stops
$1,553Delta
Sun, Sep 20 - Tue, Oct 27
Multiple Airlines Logo
2:05 pm - 3:35 am
SEA
-
GUM
20h 30m
1 stop
Multiple Airlines Logo
6:00 am - 2:05 pm
GUM
-
SEA
25h 05m
2 stops
$1,570Multiple Airlines
Mon, Jul 20 - Mon, Aug 10
Delta Logo
1:00 pm - 2:35 pm
SEA
-
GUM
31h 35m
1 stop
Delta Logo
4:50 pm - 11:51 am
GUM
-
SEA
37h 01m
1 stop
$1,594Delta
Mon, Nov 16 - Fri, Nov 27
Delta Logo
1:00 pm - 2:35 pm
SEA
-
GUM
31h 35m
1 stop
Delta Logo
4:50 pm - 4:53 pm
GUM
-
SEA
42h 03m
2 stops
$1,599Delta
Mon, Nov 16 - Fri, Nov 27
Delta Logo
6:00 pm - 2:35 pm
SEA
-
GUM
50h 35m
2 stops
Delta Logo
4:50 pm - 4:53 pm
GUM
-
SEA
42h 03m
2 stops
$1,603Delta
Mon, Nov 16 - Fri, Nov 27
Delta Logo
1:00 pm - 3:35 pm
SEA
-
GUM
33h 35m
1 stop
Delta Logo
2:00 am - 10:05 pm
GUM
-
SEA
37h 05m
2 stops
$1,649Delta
Fri, Oct 9 - Thu, Oct 22

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United Airlines flights from Seattle to Guam

Our best United Airlines deals on Seattle to Guam flight tickets
United Airlines
Sep 20
SEA6:52 pmSeattle/Tacoma Intl
30h 13m
2 stops
GUM6:05 pmTamuning Guam Intl
Oct 27
GUM7:45 amTamuning Guam Intl
30h 38m
3 stops
SEA9:23 pmSeattle/Tacoma Intl
$1,819
United Airlines
Oct 9
SEA8:29 pmSeattle/Tacoma Intl
28h 36m
2 stops
GUM6:05 pmTamuning Guam Intl
Oct 23
GUM7:10 amTamuning Guam Intl
31h 05m
3 stops
SEA9:15 pmSeattle/Tacoma Intl
$1,919
United Airlines
Dec 12
SEA7:32 pmSeattle/Tacoma Intl
29h 28m
2 stops
GUM7:00 pmTamuning Guam Intl
Dec 20
GUM7:45 amTamuning Guam Intl
22h 27m
2 stops
SEA12:12 pmSeattle/Tacoma Intl
$1,969

Delta flights from Seattle to Guam

Our best Delta deals on Seattle to Guam flight tickets
Delta
Oct 19
SEA1:00 pmSeattle/Tacoma Intl
17h 55m
1 stop
GUM11:55 pmTamuning Guam Intl
Oct 26
GUM4:50 pmTamuning Guam Intl
37h 01m
1 stop
SEA12:51 pmSeattle/Tacoma Intl
$1,544
Delta
Sep 20
SEA11:59 pmSeattle/Tacoma Intl
30h 56m
2 stops
GUM11:55 pmTamuning Guam Intl
Oct 27
GUM4:50 pmTamuning Guam Intl
37h 01m
1 stop
SEA12:51 pmSeattle/Tacoma Intl
$1,549
Delta
Sep 20
SEA11:59 pmSeattle/Tacoma Intl
30h 56m
2 stops
GUM11:55 pmTamuning Guam Intl
Oct 27
GUM4:50 pmTamuning Guam Intl
48h 09m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
$1,553

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 July 2, 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 - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 7/26

2:05 pm-3:35 am

1 stop20h 30m

Tamuning Guam Intl

Sun 8/2

6:00 am-2:05 pm

2 stops49h 05m

$1,514

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 10/9

1:20 pm-2:40 pm

1 stop32h 20m

Tamuning Guam Intl

Fri 10/23

4:40 pm-11:05 am

1 stop35h 25m

$1,515

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 10/19

1:00 pm-11:55 pm

1 stop17h 55m

Tamuning Guam Intl

Mon 10/26

4:50 pm-12:51 pm

1 stop37h 01m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 9/20

11:59 pm-11:55 pm

2 stops30h 56m

Tamuning Guam Intl

Tue 10/27

4:50 pm-12:51 pm

1 stop37h 01m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 9/20

11:59 pm-11:55 pm

2 stops30h 56m

Tamuning Guam Intl

Tue 10/27

4:50 pm-11:59 pm

2 stops48h 09m

$1,553
Quickest round-trip

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 7/20

2:05 pm-3:35 am

1 stop20h 30m

Tamuning Guam Intl

Mon 8/10

6:00 am-2:05 pm

2 stops25h 05m

$1,570

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 11/16

1:00 pm-2:35 pm

1 stop31h 35m

Tamuning Guam Intl

Fri 11/27

4:50 pm-11:51 am

1 stop37h 01m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 11/16

1:00 pm-2:35 pm

1 stop31h 35m

Tamuning Guam Intl

Fri 11/27

4:50 pm-4:53 pm

2 stops42h 03m

$1,599

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 11/16

6:00 pm-2:35 pm

2 stops50h 35m

Tamuning Guam Intl

Fri 11/27

4:50 pm-4:53 pm

2 stops42h 03m

$1,603

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 10/9

1:00 pm-3:35 pm

1 stop33h 35m

Tamuning Guam Intl

Thu 10/22

2:00 am-10:05 pm

2 stops37h 05m

$1,649

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 June, then book flights to Guam from Seattle during August instead. Flights to Guam in August, while not as cheap as those in June, still average around $354.

Can stopping save me money on Seattle to Guam flights?

You could potentially save up to 11% 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

Fastest flight time

17h 50m

Direct flights

None
The fastest flight from Seattle to Guam takes 17h 50m
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 $381Free CancellationRating
7.4
9,926 reviews
Search United Airlines flights
DeltaPriceFrom $1,544Free CancellationRating
7.8
8,452 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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Popular cities in Guam

Popular flights according to clicks in the last 7 days on momondo
Flights to Tamuningfrom $754