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Cheap flights from Seattle to Guam from $584

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 1/12. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 3:15 pm
SEA
-
GUM
38h 15m2 stops
Multiple Airlines Logo
2:40 am - 1:45 pm
GUM
-
SEA
29h 05m1 stop
$1,404Multiple Airlines
Sun, Feb 1 - Thu, Mar 5
Multiple Airlines Logo
7:00 am - 3:15 pm
SEA
-
GUM
38h 15m2 stops
Multiple Airlines Logo
2:40 am - 1:45 pm
GUM
-
SEA
29h 05m1 stop
$1,450Multiple Airlines
Mon, Jan 12 - Wed, Jan 21
Multiple Airlines Logo
7:00 am - 3:15 pm
SEA
-
GUM
38h 15m2 stops
Multiple Airlines Logo
2:40 am - 1:45 pm
GUM
-
SEA
29h 05m1 stop
$1,464Multiple Airlines
Sun, Feb 1 - Sun, Feb 8
Multiple Airlines Logo
1:40 pm - 11:05 pm
SEA
-
GUM
39h 25m1 stop
Multiple Airlines Logo
2:40 am - 1:45 pm
GUM
-
SEA
29h 05m1 stop
$1,495Multiple Airlines
Sun, Feb 1 - Thu, Mar 5
Multiple Airlines Logo
7:00 am - 3:15 pm
SEA
-
GUM
38h 15m2 stops
Multiple Airlines Logo
2:40 am - 1:45 pm
GUM
-
SEA
29h 05m1 stop
$1,499Multiple Airlines
Sun, Jan 11 - Wed, Jan 21
Delta Logo
11:25 am - 2:35 pm
SEA
-
GUM
33h 10m1 stop
Delta Logo
1:00 am - 1:20 pm
GUM
-
SEA
30h 20m1 stop
$1,594Delta
Mon, Feb 9 - Sun, Feb 22
Delta Logo
5:00 am - 11:05 pm
SEA
-
GUM
24h 05m2 stops
Delta Logo
1:00 am - 1:20 pm
GUM
-
SEA
30h 20m1 stop
$1,598Delta
Mon, Feb 9 - Sun, Feb 22
Delta Logo
5:00 am - 11:05 pm
SEA
-
GUM
24h 05m2 stops
Delta Logo
4:50 pm - 6:29 pm
GUM
-
SEA
43h 39m2 stops
$1,603Delta
Mon, Feb 9 - Mon, Feb 23
Delta Logo
7:00 pm - 11:05 pm
SEA
-
GUM
34h 05m2 stops
Delta Logo
4:50 pm - 8:46 pm
GUM
-
SEA
45h 56m2 stops
$1,612Delta
Sun, Feb 1 - Mon, Feb 9
Delta Logo
11:25 am - 2:35 pm
SEA
-
GUM
33h 10m1 stop
Delta Logo
4:50 pm - 1:20 pm
GUM
-
SEA
38h 30m1 stop
$1,644Delta
Sun, Feb 1 - Mon, Feb 9

Delta flights from Seattle to Guam

Our best Delta deals on Seattle to Guam flight tickets
Delta
Feb 9
SEA11:25 amSeattle/Tacoma Intl
33h 10m
1 stop
GUM2:35 pmTamuning Guam Intl
Feb 22
GUM1:00 amTamuning Guam Intl
30h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,594
Find similar
Delta
Feb 9
SEA5:00 amSeattle/Tacoma Intl
24h 05m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 22
GUM1:00 amTamuning Guam Intl
30h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,598
Find similar
Delta
Feb 9
SEA5:00 amSeattle/Tacoma Intl
24h 05m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 23
GUM4:50 pmTamuning Guam Intl
43h 39m
2 stops
SEA6:29 pmSeattle/Tacoma Intl
$1,603
Find similar

United Airlines flights from Seattle to Guam

Our best United Airlines deals on Seattle to Guam flight tickets
United Airlines
Feb 1
SEA7:30 pmSeattle/Tacoma Intl
29h 35m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 9
GUM7:40 amTamuning Guam Intl
31h 32m
3 stops
SEA9:12 pmSeattle/Tacoma Intl
$2,128
Find similar
United Airlines
Jan 25
SEA7:30 pmSeattle/Tacoma Intl
29h 35m
2 stops
GUM7:05 pmTamuning Guam Intl
Jan 28
GUM7:20 pmTamuning Guam Intl
38h 24m
2 stops
SEA3:44 pmSeattle/Tacoma Intl
$2,151
Find similar
United Airlines
Feb 9
SEA6:03 amSeattle/Tacoma Intl
19h 02m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 23
GUM12:30 pmTamuning Guam Intl
26h 31m
3 stops
SEA9:01 pmSeattle/Tacoma Intl
$2,154
Find similar

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 December 18, 2025.
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 2/1

7:00 am-3:15 pm

2 stops38h 15m

Tamuning Guam Intl

Thu 3/5

2:40 am-1:45 pm

1 stop29h 05m

$1,404

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 1/12

7:00 am-3:15 pm

2 stops38h 15m

Tamuning Guam Intl

Wed 1/21

2:40 am-1:45 pm

1 stop29h 05m

$1,450

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 2/1

7:00 am-3:15 pm

2 stops38h 15m

Tamuning Guam Intl

Sun 2/8

2:40 am-1:45 pm

1 stop29h 05m

$1,464

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 2/1

1:40 pm-11:05 pm

1 stop39h 25m

Tamuning Guam Intl

Thu 3/5

2:40 am-1:45 pm

1 stop29h 05m

$1,495

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 1/11

7:00 am-3:15 pm

2 stops38h 15m

Tamuning Guam Intl

Wed 1/21

2:40 am-1:45 pm

1 stop29h 05m

$1,499

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

Sun 2/22

1:00 am-1:20 pm

1 stop30h 20m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

5:00 am-11:05 pm

2 stops24h 05m

Tamuning Guam Intl

Sun 2/22

1:00 am-1:20 pm

1 stop30h 20m

$1,598

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

5:00 am-11:05 pm

2 stops24h 05m

Tamuning Guam Intl

Mon 2/23

4:50 pm-6:29 pm

2 stops43h 39m

$1,603

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 2/1

7:00 pm-11:05 pm

2 stops34h 05m

Tamuning Guam Intl

Mon 2/9

4:50 pm-8:46 pm

2 stops45h 56m

$1,612

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 2/1

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

Mon 2/9

4:50 pm-1:20 pm

1 stop38h 30m

$1,644

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 March instead. Flights to Guam in March, while not as cheap as those in October, still average around $1,668.

What is the cheapest day to depart on your flight to Guam?

The cheapest day to depart from Seattle to Guam is on a Monday when prices can be found for as low as $1,742. Flights from Seattle to Guam on a Sunday will generally be more expensive and average around $2,305. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Guam?

Flying to Guam from Seattle at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,776 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Guam is in the morning when prices are around $1,903.

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 $1,858 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 $1,294 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 40m

Direct flights

None
The fastest flight from Seattle to Guam takes 17h 40m
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 $473Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
8,005 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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