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Cheap flights from Seattle to Guam from $475

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 3/30. 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
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.
Multiple Airlines Logo
2:40 pm - 3:35 am
SEA
-
GUM
19h 55m
1 stop
Multiple Airlines Logo
4:40 am - 7:02 pm
GUM
-
SEA
31h 22m
2 stops
$1,161Multiple Airlines
Sun, Apr 12 - Thu, Apr 23
Multiple Airlines Logo
2:40 pm - 3:35 am
SEA
-
GUM
19h 55m
1 stop
Multiple Airlines Logo
4:40 am - 7:02 pm
GUM
-
SEA
31h 22m
2 stops
$1,176Multiple Airlines
Sat, Apr 11 - Thu, Apr 23
Multiple Airlines Logo
2:40 pm - 3:35 am
SEA
-
GUM
19h 55m
1 stop
Multiple Airlines Logo
4:40 am - 7:02 pm
GUM
-
SEA
31h 22m
2 stops
$1,258Multiple Airlines
Mon, Apr 13 - Thu, Apr 23
Delta Logo
1:00 pm - 11:55 pm
SEA
-
GUM
17h 55m
1 stop
Delta Logo
3:00 am - 1:07 pm
GUM
-
SEA
27h 07m
1 stop
$1,545Delta
Mon, Apr 13 - Wed, Apr 22
Delta Logo
5:35 am - 3:15 pm
SEA
-
GUM
40h 40m
2 stops
Delta Logo
3:00 am - 1:07 pm
GUM
-
SEA
27h 07m
1 stop
$1,549Delta
Tue, Apr 14 - Wed, Apr 22
Delta Logo
11:59 pm - 11:55 pm
SEA
-
GUM
30h 56m
2 stops
Delta Logo
3:00 am - 11:53 pm
GUM
-
SEA
37h 53m
2 stops
$1,554Delta
Mon, Apr 13 - Wed, Apr 22
Delta Logo
11:25 am - 11:05 pm
SEA
-
GUM
17h 40m
1 stop
Delta Logo
1:00 am - 2:20 pm
GUM
-
SEA
30h 20m
1 stop
$1,595Delta
Thu, Feb 26 - Wed, Mar 11
Delta Logo
11:25 am - 2:35 pm
SEA
-
GUM
33h 10m
1 stop
Delta Logo
1:00 am - 11:38 pm
GUM
-
SEA
39h 38m
2 stops
$1,599Delta
Thu, Feb 26 - Wed, Mar 11
Delta Logo
5:30 am - 11:05 pm
SEA
-
GUM
23h 35m
2 stops
Delta Logo
1:00 am - 11:38 pm
GUM
-
SEA
39h 38m
2 stops
$1,604Delta
Thu, Feb 26 - Wed, Mar 11
Delta Logo
12:35 pm - 11:05 pm
SEA
-
GUM
17h 30m
1 stop
Delta Logo
1:00 am - 2:20 pm
GUM
-
SEA
30h 20m
1 stop
$1,645Delta
Tue, Mar 17 - Thu, Mar 26

Delta flights from Seattle to Guam

Our best Delta deals on Seattle to Guam flight tickets
Delta
Apr 13
SEA1:00 pmSeattle/Tacoma Intl
17h 55m
1 stop
GUM11:55 pmTamuning Guam Intl
Apr 22
GUM3:00 amTamuning Guam Intl
27h 07m
1 stop
SEA1:07 pmSeattle/Tacoma Intl
$1,545
Delta
Apr 14
SEA5:35 amSeattle/Tacoma Intl
40h 40m
2 stops
GUM3:15 pmTamuning Guam Intl
Apr 22
GUM3:00 amTamuning Guam Intl
27h 07m
1 stop
SEA1:07 pmSeattle/Tacoma Intl
$1,549
Delta
Apr 13
SEA11:59 pmSeattle/Tacoma Intl
30h 56m
2 stops
GUM11:55 pmTamuning Guam Intl
Apr 22
GUM3:00 amTamuning Guam Intl
37h 53m
2 stops
SEA11:53 pmSeattle/Tacoma Intl
$1,554

United Airlines flights from Seattle to Guam

Our best United Airlines deals on Seattle to Guam flight tickets
United Airlines
Apr 13
SEA7:37 pmSeattle/Tacoma Intl
29h 28m
2 stops
GUM6:05 pmTamuning Guam Intl
Apr 23
GUM7:05 amTamuning Guam Intl
31h 01m
3 stops
SEA9:06 pmSeattle/Tacoma Intl
$1,819
United Airlines
May 17
SEA6:58 pmSeattle/Tacoma Intl
30h 07m
2 stops
GUM6:05 pmTamuning Guam Intl
Jun 1
GUM7:05 amTamuning Guam Intl
30h 43m
2 stops
SEA8:48 pmSeattle/Tacoma Intl
$1,869
United Airlines
May 25
SEA10:50 amSeattle/Tacoma Intl
38h 15m
2 stops
GUM6:05 pmTamuning Guam Intl
Jun 1
GUM7:30 pmTamuning Guam Intl
43h 48m
2 stops
SEA10:18 pmSeattle/Tacoma Intl
$1,910

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 February 13, 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

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 4/12

2:40 pm-3:35 am

1 stop19h 55m

Tamuning Guam Intl

Thu 4/23

4:40 am-7:02 pm

2 stops31h 22m

$1,161

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/11

2:40 pm-3:35 am

1 stop19h 55m

Tamuning Guam Intl

Thu 4/23

4:40 am-7:02 pm

2 stops31h 22m

$1,176

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/13

2:40 pm-3:35 am

1 stop19h 55m

Tamuning Guam Intl

Thu 4/23

4:40 am-7:02 pm

2 stops31h 22m

$1,258

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/13

1:00 pm-11:55 pm

1 stop17h 55m

Tamuning Guam Intl

Wed 4/22

3:00 am-1:07 pm

1 stop27h 07m

$1,545

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 4/14

5:35 am-3:15 pm

2 stops40h 40m

Tamuning Guam Intl

Wed 4/22

3:00 am-1:07 pm

1 stop27h 07m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/13

11:59 pm-11:55 pm

2 stops30h 56m

Tamuning Guam Intl

Wed 4/22

3:00 am-11:53 pm

2 stops37h 53m

$1,554

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/26

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Wed 3/11

1:00 am-2:20 pm

1 stop30h 20m

$1,595

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/26

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

Wed 3/11

1:00 am-11:38 pm

2 stops39h 38m

$1,599

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/26

5:30 am-11:05 pm

2 stops23h 35m

Tamuning Guam Intl

Wed 3/11

1:00 am-11:38 pm

2 stops39h 38m

$1,604

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 3/17

12:35 pm-11:05 pm

1 stop17h 30m

Tamuning Guam Intl

Thu 3/26

1:00 am-2:20 pm

1 stop30h 20m

$1,645

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 October, then book flights to Guam from Seattle during January instead. Flights to Guam in January, while not as cheap as those in October, still average around $1,594.

How far in advance should I book a flight to Guam?

You are more likely to see cheaper flights to Guam from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Guam for around $1,868 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Guam from Seattle for as low as $944 on momondo.

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 55m

Direct flights

None
The fastest flight from Seattle to Guam takes 17h 55m
There are no direct flights from Seattle to Guam. There are no popular flight routes from Seattle to Guam.
Search flight deals

  • 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 $467Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
8,203 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

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