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Cheap flights from Washington to Guam from $582

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 3/8. 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 - 2:45 pm
GUM
-
SEA
29h 05m1 stop
$1,404Multiple Airlines
Mon, Feb 2 - Sat, Mar 14
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
$1,544Delta
Mon, Feb 23 - Wed, Mar 4
Delta Logo
5:30 am - 11:05 pm
SEA
-
GUM
23h 35m2 stops
Delta Logo
4:50 pm - 1:20 pm
GUM
-
SEA
38h 30m1 stop
$1,548Delta
Mon, Feb 23 - Wed, Mar 4
Delta Logo
5:30 am - 11:05 pm
SEA
-
GUM
23h 35m2 stops
Delta Logo
1:00 am - 8:46 pm
GUM
-
SEA
37h 46m2 stops
$1,553Delta
Mon, Feb 23 - Wed, Mar 4
Delta Logo
11:20 am - 2:35 pm
SEA
-
GUM
57h 15m2 stops
Delta Logo
1:00 am - 1:20 pm
GUM
-
SEA
30h 20m1 stop
$1,558Delta
Sun, Feb 22 - Wed, Mar 4
Delta Logo
7:00 pm - 2:35 pm
SEA
-
GUM
49h 35m2 stops
Delta Logo
1:00 am - 8:46 pm
GUM
-
SEA
37h 46m2 stops
$1,562Delta
Sun, Feb 22 - Wed, Mar 4
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
$1,578Multiple Airlines
Sun, Jan 18 - Sat, Jan 24
United Airlines Logo
5:30 am - 6:05 pm
PDX
-
GUM
19h 35m2 stops
United Airlines Logo
7:05 am - 2:31 pm
GUM
-
PDX
24h 26m2 stops
$1,818United Airlines
Tue, May 5 - Tue, May 12
United Airlines Logo
3:27 pm - 6:05 pm
PDX
-
GUM
33h 38m3 stops
United Airlines Logo
7:30 pm - 4:33 pm
GUM
-
PDX
38h 03m2 stops
$1,841United Airlines
Tue, May 5 - Tue, May 12
United Airlines Logo
1:39 pm - 6:50 pm
PDX
-
GUM
36h 11m2 stops
United Airlines Logo
7:30 pm - 2:31 pm
GUM
-
PDX
36h 01m2 stops
$1,857United Airlines
Sun, Mar 15 - Sun, Apr 5

Delta flights from State of Washington to Guam

Our best Delta deals on State of Washington to Guam flight tickets
Delta
Feb 23
SEA11:25 amSeattle/Tacoma Intl
17h 40m
1 stop
GUM11:05 pmTamuning Guam Intl
Mar 4
GUM1:00 amTamuning Guam Intl
30h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,544
Find similar
Delta
Feb 23
SEA5:30 amSeattle/Tacoma Intl
23h 35m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 4
GUM4:50 pmTamuning Guam Intl
38h 30m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,548
Find similar
Delta
Feb 23
SEA5:30 amSeattle/Tacoma Intl
23h 35m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 4
GUM1:00 amTamuning Guam Intl
37h 46m
2 stops
SEA8:46 pmSeattle/Tacoma Intl
$1,553
Find similar

United Airlines flights from State of Washington to Guam

Our best United Airlines deals on State of Washington to Guam flight tickets
United Airlines
Mar 15
PDX1:39 pmPortland
36h 11m
2 stops
GUM6:50 pmTamuning Guam Intl
Apr 5
GUM7:30 pmTamuning Guam Intl
36h 01m
2 stops
PDX2:31 pmPortland
$1,857
Find similar
United Airlines
Apr 19
GEG7:00 amSpokane
42h 05m
2 stops
GUM6:05 pmTamuning Guam Intl
May 9
GUM7:05 amTamuning Guam Intl
21h 04m
2 stops
GEG11:09 amSpokane
$1,885
Find similar
United Airlines
Mar 12
PDX7:30 amPortland
18h 20m
2 stops
GUM6:50 pmTamuning Guam Intl
Mar 28
GUM7:25 amTamuning Guam Intl
28h 22m
2 stops
PDX6:47 pmPortland
$1,890
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 December 21, 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 2/2

7:00 am-3:15 pm

2 stops38h 15m

Tamuning Guam Intl

Sat 3/14

2:40 am-2:45 pm

1 stop29h 05m

$1,404

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/23

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

Wed 3/4

4:50 pm-1:20 pm

1 stop38h 30m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/23

5:30 am-11:05 pm

2 stops23h 35m

Tamuning Guam Intl

Wed 3/4

4:50 pm-1:20 pm

1 stop38h 30m

$1,548

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/23

5:30 am-11:05 pm

2 stops23h 35m

Tamuning Guam Intl

Wed 3/4

1:00 am-8:46 pm

2 stops37h 46m

$1,553

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 2/22

11:20 am-2:35 pm

2 stops57h 15m

Tamuning Guam Intl

Wed 3/4

1:00 am-1:20 pm

1 stop30h 20m

$1,558

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 2/22

7:00 pm-2:35 pm

2 stops49h 35m

Tamuning Guam Intl

Wed 3/4

1:00 am-8:46 pm

2 stops37h 46m

$1,562

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 1/18

7:00 am-3:15 pm

2 stops38h 15m

Tamuning Guam Intl

Sat 1/24

2:40 am-1:45 pm

1 stop29h 05m

$1,578

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 5/5

5:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Tue 5/12

7:05 am-2:31 pm

2 stops24h 26m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 5/5

3:27 pm-6:05 pm

3 stops33h 38m

Tamuning Guam Intl

Tue 5/12

7:30 pm-4:33 pm

2 stops38h 03m

$1,841

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 3/15

1:39 pm-6:50 pm

2 stops36h 11m

Tamuning Guam Intl

Sun 4/5

7:30 pm-2:31 pm

2 stops36h 01m

$1,857

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 $1,668.

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 $1,864 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 $1,294 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 $483Free CancellationRating
7.4
9,099 reviews
Search United Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
8,021 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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