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Cheap flights from Washington to Guam from $477

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 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.
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0 bags

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Find the cheapest flights from Washington to Guam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 pm - 3:25 am
SEA
-
GUM
35h 55m
2 stops
Multiple Airlines Logo
3:40 am - 1:45 pm
GUM
-
SEA
28h 05m
1 stop
$1,140Multiple Airlines
Sun, Mar 1 - Sat, Mar 7
Multiple Airlines Logo
2:40 pm - 2:35 pm
SEA
-
GUM
30h 55m
1 stop
Multiple Airlines Logo
5:00 pm - 2:55 pm
GUM
-
SEA
38h 55m
1 stop
$1,240Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
2:40 pm - 3:35 am
SEA
-
GUM
19h 55m
1 stop
Multiple Airlines Logo
4:40 am - 7:03 pm
GUM
-
SEA
31h 23m
2 stops
$1,265Multiple Airlines
Mon, Mar 30 - Sun, Apr 5
Multiple Airlines Logo
2:40 pm - 1:00 am
SEA
-
GUM
41h 20m
2 stops
Multiple Airlines Logo
4:40 am - 2:55 pm
GUM
-
SEA
27h 15m
1 stop
$1,304Multiple Airlines
Sun, Mar 22 - Mon, Mar 30
Delta Logo
1:00 pm - 11:55 pm
SEA
-
GUM
17h 55m
1 stop
Delta Logo
5:00 pm - 1:11 pm
GUM
-
SEA
37h 11m
1 stop
$1,545Delta
Mon, May 4 - Sun, May 10
Delta Logo
5:35 am - 11:55 pm
SEA
-
GUM
25h 20m
2 stops
Delta Logo
5:00 pm - 1:11 pm
GUM
-
SEA
37h 11m
1 stop
$1,549Delta
Mon, May 4 - Sun, May 10
Delta Logo
6:00 am - 11:55 pm
SEA
-
GUM
24h 55m
2 stops
Delta Logo
5:00 pm - 6:48 pm
GUM
-
SEA
42h 48m
2 stops
$1,554Delta
Mon, May 4 - Sun, May 10
United Airlines Logo
5:25 am - 6:05 pm
PDX
-
GUM
19h 40m
2 stops
United Airlines Logo
7:05 am - 12:34 pm
GUM
-
PDX
22h 29m
2 stops
$1,919United Airlines
Sat, Apr 25 - Sat, May 9
United Airlines Logo
5:25 am - 6:05 pm
PDX
-
GUM
19h 40m
2 stops
United Airlines Logo
7:30 pm - 2:31 pm
GUM
-
PDX
36h 01m
2 stops
$1,943United Airlines
Sat, Apr 11 - Sat, Apr 25
United Airlines Logo
7:00 am - 6:05 pm
PDX
-
GUM
18h 05m
2 stops
United Airlines Logo
7:05 am - 12:16 pm
GUM
-
PDX
22h 11m
2 stops
$1,969United Airlines
Fri, May 22 - Fri, Jun 5

United Airlines flights from State of Washington to Guam

Our best United Airlines deals on State of Washington to Guam flight tickets
United Airlines
Apr 30
SEA5:00 amSeattle/Tacoma Intl
20h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
May 13
GUM7:05 amTamuning Guam Intl
33h 24m
3 stops
SEA11:29 pmSeattle/Tacoma Intl
$1,819
United Airlines
Jul 13
SEA5:00 amSeattle/Tacoma Intl
20h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
Jul 23
GUM7:05 amTamuning Guam Intl
32h 13m
2 stops
SEA10:18 pmSeattle/Tacoma Intl
$1,919
United Airlines
Jul 16
SEA7:00 amSeattle/Tacoma Intl
18h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
Jul 31
GUM7:05 amTamuning Guam Intl
26h 22m
2 stops
SEA4:27 pmSeattle/Tacoma Intl
$1,969

Delta flights from State of Washington to Guam

Our best Delta deals on State of Washington to Guam flight tickets
Delta
May 4
SEA1:00 pmSeattle/Tacoma Intl
17h 55m
1 stop
GUM11:55 pmTamuning Guam Intl
May 10
GUM5:00 pmTamuning Guam Intl
37h 11m
1 stop
SEA1:11 pmSeattle/Tacoma Intl
$1,545
Delta
May 4
SEA5:35 amSeattle/Tacoma Intl
25h 20m
2 stops
GUM11:55 pmTamuning Guam Intl
May 10
GUM5:00 pmTamuning Guam Intl
37h 11m
1 stop
SEA1:11 pmSeattle/Tacoma Intl
$1,549
Delta
May 4
SEA6:00 amSeattle/Tacoma Intl
24h 55m
2 stops
GUM11:55 pmTamuning Guam Intl
May 10
GUM5:00 pmTamuning Guam Intl
42h 48m
2 stops
SEA6:48 pmSeattle/Tacoma Intl
$1,554

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 February 8, 2026.
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

Sun 3/1

9:30 pm-3:25 am

2 stops35h 55m

Tamuning Guam Intl

Sat 3/7

3:40 am-1:45 pm

1 stop28h 05m

$1,140

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 3/22

2:40 pm-2:35 pm

1 stop30h 55m

Tamuning Guam Intl

Sun 3/29

5:00 pm-2:55 pm

1 stop38h 55m

$1,240

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/30

2:40 pm-3:35 am

1 stop19h 55m

Tamuning Guam Intl

Sun 4/5

4:40 am-7:03 pm

2 stops31h 23m

$1,265

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 3/22

2:40 pm-1:00 am

2 stops41h 20m

Tamuning Guam Intl

Mon 3/30

4:40 am-2:55 pm

1 stop27h 15m

$1,304

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 5/4

1:00 pm-11:55 pm

1 stop17h 55m

Tamuning Guam Intl

Sun 5/10

5:00 pm-1:11 pm

1 stop37h 11m

$1,545

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 5/4

5:35 am-11:55 pm

2 stops25h 20m

Tamuning Guam Intl

Sun 5/10

5:00 pm-1:11 pm

1 stop37h 11m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 5/4

6:00 am-11:55 pm

2 stops24h 55m

Tamuning Guam Intl

Sun 5/10

5:00 pm-6:48 pm

2 stops42h 48m

$1,554

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 4/25

5:25 am-6:05 pm

2 stops19h 40m

Tamuning Guam Intl

Sat 5/9

7:05 am-12:34 pm

2 stops22h 29m

$1,919

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 4/11

5:25 am-6:05 pm

2 stops19h 40m

Tamuning Guam Intl

Sat 4/25

7:30 pm-2:31 pm

2 stops36h 01m

$1,943

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 5/22

7:00 am-6:05 pm

2 stops18h 05m

Tamuning Guam Intl

Fri 6/5

7:05 am-12:16 pm

2 stops22h 11m

$1,969

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 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 State of Washington 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 State of Washington for as low as $944 on momondo.

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

You could potentially save up to 11% 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

Fastest flight time

17h 40m

Direct flights

None
The fastest flight from State of Washington to Guam takes 17h 40m
There are no direct flights from State of Washington to Guam. There are no popular flight routes from State of Washington to Guam.
Search flight deals

  • 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 $447Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
8,172 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.

An easier way to manage your Guam trip

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