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Cheap flights from Washington to Guam from $566

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Guam departing on 10/28. 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

Multiple Airlines Logo
8:45 pm - 3:20 pmSEA-GUM
49h 35m2 stops
Multiple Airlines Logo
4:10 pm - 2:55 pmGUM-SEA
39h 45m1 stop
$1,191Multiple Airlines
Find Deal
Mon, Oct 20 - Sun, Nov 2
Multiple Airlines Logo
1:45 pm - 3:00 pmSEA-GUM
31h 15m1 stop
Multiple Airlines Logo
2:30 am - 6:37 pmGUM-SEA
34h 07m2 stops
$1,292Multiple Airlines
Find Deal
Thu, Nov 6 - Wed, Nov 12
Multiple Airlines Logo
2:55 pm - 11:10 pmSEA-GUM
39h 15m1 stop
Multiple Airlines Logo
4:10 pm - 2:55 pmGUM-SEA
39h 45m1 stop
$1,337Multiple Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Multiple Airlines Logo
2:55 pm - 2:30 pmSEA-GUM
30h 35m1 stop
Multiple Airlines Logo
3:55 pm - 2:35 pmGUM-SEA
39h 40m1 stop
$1,469Multiple Airlines
Find Deal
Thu, Oct 16 - Wed, Oct 22
Delta Logo
11:25 am - 11:05 pmSEA-GUM
17h 40m1 stop
Delta Logo
1:00 am - 1:20 pmGUM-SEA
30h 20m1 stop
$1,544Delta
Find Deal
Mon, Feb 9 - Tue, Feb 24
Delta Logo
5:45 am - 11:05 pmSEA-GUM
23h 20m2 stops
Delta Logo
1:00 am - 1:20 pmGUM-SEA
30h 20m1 stop
$1,549Delta
Find Deal
Mon, Feb 9 - Sun, Feb 22
Delta Logo
5:45 am - 11:05 pmSEA-GUM
23h 20m2 stops
Delta Logo
4:50 pm - 8:32 pmGUM-SEA
45h 42m2 stops
$1,553Delta
Find Deal
Mon, Feb 9 - Wed, Feb 25
United Airlines Logo
7:30 pm - 7:05 pmSEA-GUM
29h 35m2 stops
United Airlines Logo
7:40 am - 9:01 pmGUM-SEA
31h 21m3 stops
$1,817United Airlines
Find Deal
Mon, Feb 9 - Wed, Feb 25
United Airlines Logo
6:03 am - 7:05 pmSEA-GUM
19h 02m2 stops
United Airlines Logo
1:00 pm - 9:01 pmGUM-SEA
26h 01m3 stops
$1,845United Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 23
United Airlines Logo
5:15 am - 7:05 pmSEA-GUM
19h 50m2 stops
United Airlines Logo
7:40 am - 11:18 amGUM-SEA
21h 38m2 stops
$1,867United Airlines
Find Deal
Thu, Feb 12 - Sun, Feb 22

United Airlines flights from State of Washington to Guam

Our best United Airlines deals on State of Washington to Guam flight tickets
United Airlines
Feb 9
SEA7:30 pmSeattle/Tacoma Intl
29h 35m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 25
GUM7:40 amTamuning Guam Intl
31h 21m
3 stops
SEA9:01 pmSeattle/Tacoma Intl
$1,817
Find similar
United Airlines
Feb 9
SEA6:03 amSeattle/Tacoma Intl
19h 02m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 23
GUM1:00 pmTamuning Guam Intl
26h 01m
3 stops
SEA9:01 pmSeattle/Tacoma Intl
$1,845
Find similar
United Airlines
Feb 12
SEA5:15 amSeattle/Tacoma Intl
19h 50m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 22
GUM7:40 amTamuning Guam Intl
21h 38m
2 stops
SEA11:18 amSeattle/Tacoma Intl
$1,867
Find similar

Delta flights from State of Washington to Guam

Our best Delta deals on State of Washington to Guam flight tickets
Delta
Feb 9
SEA11:25 amSeattle/Tacoma Intl
17h 40m
1 stop
GUM11:05 pmTamuning Guam Intl
Feb 24
GUM1:00 amTamuning Guam Intl
30h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,544
Find similar
Delta
Feb 9
SEA5:45 amSeattle/Tacoma Intl
23h 20m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 22
GUM1:00 amTamuning Guam Intl
30h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,549
Find similar
Delta
Feb 9
SEA5:45 amSeattle/Tacoma Intl
23h 20m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 25
GUM4:50 pmTamuning Guam Intl
45h 42m
2 stops
SEA8:32 pmSeattle/Tacoma Intl
$1,553
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 September 23, 2025.
Use the filters below to find and compare flights from Washington to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 10/20

8:45 pm-3:20 pm

2 stops49h 35m

Tamuning Guam Intl

Sun 11/2

4:10 pm-2:55 pm

1 stop39h 45m

$1,191

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 11/6

1:45 pm-3:00 pm

1 stop31h 15m

Tamuning Guam Intl

Wed 11/12

2:30 am-6:37 pm

2 stops34h 07m

$1,292

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 10/22

2:55 pm-11:10 pm

1 stop39h 15m

Tamuning Guam Intl

Wed 10/29

4:10 pm-2:55 pm

1 stop39h 45m

$1,337

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 10/16

2:55 pm-2:30 pm

1 stop30h 35m

Tamuning Guam Intl

Wed 10/22

3:55 pm-2:35 pm

1 stop39h 40m

$1,469

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Tue 2/24

1:00 am-1:20 pm

1 stop30h 20m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

5:45 am-11:05 pm

2 stops23h 20m

Tamuning Guam Intl

Sun 2/22

1:00 am-1:20 pm

1 stop30h 20m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

5:45 am-11:05 pm

2 stops23h 20m

Tamuning Guam Intl

Wed 2/25

4:50 pm-8:32 pm

2 stops45h 42m

$1,553

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

7:30 pm-7:05 pm

2 stops29h 35m

Tamuning Guam Intl

Wed 2/25

7:40 am-9:01 pm

3 stops31h 21m

$1,817

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

6:03 am-7:05 pm

2 stops19h 02m

Tamuning Guam Intl

Mon 2/23

1:00 pm-9:01 pm

3 stops26h 01m

$1,845

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/12

5:15 am-7:05 pm

2 stops19h 50m

Tamuning Guam Intl

Sun 2/22

7:40 am-11:18 am

2 stops21h 38m

$1,867

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 State of Washington 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 State of Washington during March instead. Flights to Guam in March, while not as cheap as those in October, still average around $1,693.

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

The cheapest day to depart from State of Washington to Guam is on a Monday when prices can be found for as low as $1,742. Flights from State of Washington 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 State of Washington 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Guam for around $1,869 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Guam from State of Washington for as low as $1,346 on momondo.

Can stopping save me money on State of Washington to Guam flights?

You could potentially save up to 22% on your flight if you consider stops on a State of Washington to Guam flight.

Cheap State of Washington to Guam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Guam

Direct flights

None
There are no direct flights from State of Washington to Guam. There are no popular flight routes from State of Washington to Guam.
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  • When did momondo last update prices for flights from Washington to Guam?

    Prices for flights from Washington to Guam were last updated today.

  • How many operators does momondo search for flights from Washington to Guam?

  • How old do you have to be to fly from Washington to Guam?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington 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 State of Washington to Guam

Compare and see reviews for airlines that fly from State of Washington to Guam with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $532Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
7,974 reviews
Search Delta flights

Why use momondo?

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

Finding the right flight to Guam from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Guam quick and easy, saving you time and money.

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

Yes. All flights to Guam from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Washington and Guam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Washington to Guam flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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