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Cheap flights from Seattle to Guam from $706

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 6/10. 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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0 bags

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Find the cheapest flights from Seattle to Guam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:35 pm - 11:55 pm
SEA
-
GUM
18h 20m
1 stop
Delta Logo
4:50 pm - 12:51 pm
GUM
-
SEA
37h 01m
1 stop
$1,544Delta
Thu, Oct 15 - Mon, Oct 26
Delta Logo
5:45 am - 11:55 pm
SEA
-
GUM
25h 10m
2 stops
Delta Logo
4:50 pm - 12:51 pm
GUM
-
SEA
37h 01m
1 stop
$1,549Delta
Thu, Oct 15 - Tue, Oct 27
Delta Logo
5:45 am - 11:55 pm
SEA
-
GUM
25h 10m
2 stops
Delta Logo
2:00 am - 10:05 pm
GUM
-
SEA
37h 05m
2 stops
$1,553Delta
Thu, Oct 15 - Wed, Oct 21
Delta Logo
7:35 pm - 2:35 pm
SEA
-
GUM
49h 00m
2 stops
Delta Logo
4:50 pm - 11:51 am
GUM
-
SEA
37h 01m
1 stop
$1,559Delta
Sun, Nov 8 - Sun, Nov 15
Delta Logo
1:30 pm - 11:55 pm
SEA
-
GUM
41h 25m
2 stops
Delta Logo
4:50 pm - 6:30 pm
GUM
-
SEA
42h 40m
2 stops
$1,563Delta
Sun, Oct 18 - Mon, Oct 26
Multiple Airlines Logo
1:30 pm - 2:35 pm
SEA
-
GUM
32h 05m
1 stop
Multiple Airlines Logo
4:35 pm - 11:15 am
GUM
-
SEA
35h 40m
1 stop
$1,571Multiple Airlines
Thu, Jun 4 - Sat, Jun 20
Delta Logo
12:35 pm - 11:55 pm
SEA
-
GUM
18h 20m
1 stop
Delta Logo
4:50 pm - 12:51 pm
GUM
-
SEA
37h 01m
1 stop
$1,594Delta
Fri, Oct 16 - Mon, Oct 26
Delta Logo
5:45 am - 11:55 pm
SEA
-
GUM
25h 10m
2 stops
Delta Logo
4:50 pm - 12:51 pm
GUM
-
SEA
37h 01m
1 stop
$1,599Delta
Fri, Oct 16 - Wed, Oct 28
Delta Logo
5:45 am - 3:35 pm
SEA
-
GUM
40h 50m
2 stops
Delta Logo
2:00 am - 12:11 am
GUM
-
SEA
39h 11m
2 stops
$1,603Delta
Thu, Oct 15 - Thu, Oct 22
Delta Logo
11:53 pm - 11:55 pm
SEA
-
GUM
31h 02m
2 stops
Delta Logo
5:20 pm - 12:01 am
GUM
-
SEA
47h 41m
2 stops
$1,604Delta
Sun, Sep 13 - Wed, Sep 23

Delta flights from Seattle to Guam

Our best Delta deals on Seattle to Guam flight tickets
Delta
Oct 15
SEA12:35 pmSeattle/Tacoma Intl
18h 20m
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
Oct 15
SEA12:35 pmSeattle/Tacoma Intl
34h 00m
1 stop
GUM3:35 pmTamuning Guam Intl
Oct 26
GUM4:50 pmTamuning Guam Intl
48h 21m
2 stops
SEA12:11 amSeattle/Tacoma Intl
$1,549
Delta
Oct 15
SEA5:45 amSeattle/Tacoma Intl
40h 50m
2 stops
GUM3:35 pmTamuning Guam Intl
Oct 26
GUM4:50 pmTamuning Guam Intl
46h 15m
2 stops
SEA10:05 pmSeattle/Tacoma Intl
$1,553

United Airlines flights from Seattle to Guam

Our best United Airlines deals on Seattle to Guam flight tickets
United Airlines
Nov 5
SEA5:00 amSeattle/Tacoma Intl
19h 50m
2 stops
GUM6:50 pmTamuning Guam Intl
Nov 18
GUM7:25 amTamuning Guam Intl
22h 47m
2 stops
SEA12:12 pmSeattle/Tacoma Intl
$1,819
United Airlines
Nov 7
SEA5:00 amSeattle/Tacoma Intl
19h 50m
2 stops
GUM6:50 pmTamuning Guam Intl
Nov 18
GUM7:25 amTamuning Guam Intl
26h 29m
2 stops
SEA3:54 pmSeattle/Tacoma Intl
$1,869
United Airlines
Sep 13
SEA5:00 amSeattle/Tacoma Intl
44h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
Sep 23
GUM7:10 amTamuning Guam Intl
33h 14m
3 stops
SEA11:24 pmSeattle/Tacoma Intl
$1,892

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 May 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
Quickest round-trip

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 10/15

12:35 pm-11:55 pm

1 stop18h 20m

Tamuning Guam Intl

Mon 10/26

4:50 pm-12:51 pm

1 stop37h 01m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 10/15

5:45 am-11:55 pm

2 stops25h 10m

Tamuning Guam Intl

Tue 10/27

4:50 pm-12:51 pm

1 stop37h 01m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 10/15

5:45 am-11:55 pm

2 stops25h 10m

Tamuning Guam Intl

Wed 10/21

2:00 am-10:05 pm

2 stops37h 05m

$1,553

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 11/8

7:35 pm-2:35 pm

2 stops49h 00m

Tamuning Guam Intl

Sun 11/15

4:50 pm-11:51 am

1 stop37h 01m

$1,559

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 10/18

1:30 pm-11:55 pm

2 stops41h 25m

Tamuning Guam Intl

Mon 10/26

4:50 pm-6:30 pm

2 stops42h 40m

$1,563

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 6/4

1:30 pm-2:35 pm

1 stop32h 05m

Tamuning Guam Intl

Sat 6/20

4:35 pm-11:15 am

1 stop35h 40m

$1,571

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 10/16

12:35 pm-11:55 pm

1 stop18h 20m

Tamuning Guam Intl

Mon 10/26

4:50 pm-12:51 pm

1 stop37h 01m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 10/16

5:45 am-11:55 pm

2 stops25h 10m

Tamuning Guam Intl

Wed 10/28

4:50 pm-12:51 pm

1 stop37h 01m

$1,599

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 10/15

5:45 am-3:35 pm

2 stops40h 50m

Tamuning Guam Intl

Thu 10/22

2:00 am-12:11 am

2 stops39h 11m

$1,603

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 9/13

11:53 pm-11:55 pm

2 stops31h 02m

Tamuning Guam Intl

Wed 9/23

5:20 pm-12:01 am

2 stops47h 41m

$1,604

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 34% 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

19h 50m

Direct flights

None
The fastest flight from Seattle to Guam takes 19h 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 $385Free CancellationRating
7.4
9,736 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $560Free CancellationRating
8.1
534 reviews
Search Asiana Airlines flights
DeltaPriceFrom $1,544Free CancellationRating
7.9
8,449 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.

An easier way to manage your Guam 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.
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Popular flights according to clicks in the last 7 days on momondo
Flights to Tamuningfrom $996