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Cheap flights from Washington to Tamuning from $481

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 Tamuning departing on 3/19. 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 Tamuning

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 - Sun, Mar 1
Delta Logo
11:25 am - 11:05 pm
SEA
-
GUM
17h 40m1 stop
Delta Logo
4:50 pm - 6:29 pm
GUM
-
SEA
43h 39m2 stops
$1,548Delta
Mon, Feb 23 - Mon, Mar 2
Multiple Airlines Logo
1:40 pm - 11:00 pm
SEA
-
GUM
39h 20m1 stop
Multiple Airlines Logo
3:25 am - 1:45 pm
GUM
-
SEA
28h 20m1 stop
$1,550Multiple Airlines
Thu, Dec 25 - Sun, Dec 28
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
7:00 pm - 2:35 pm
SEA
-
GUM
49h 35m2 stops
Delta Logo
4:50 pm - 1:20 pm
GUM
-
SEA
38h 30m1 stop
$1,558Delta
Sun, Feb 22 - Sun, Mar 1
Delta Logo
1:38 pm - 11:05 pm
SEA
-
GUM
39h 27m2 stops
Delta Logo
4:50 pm - 8:46 pm
GUM
-
SEA
45h 56m2 stops
$1,562Delta
Sun, Feb 22 - Mon, Mar 2
United Airlines Logo
7:57 pm - 7:05 pm
PDX
-
GUM
29h 08m2 stops
United Airlines Logo
7:25 am - 6:48 pm
GUM
-
PDX
28h 23m2 stops
$1,818United Airlines
Mon, Feb 23 - Mon, Mar 9
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
United Airlines Logo
7:00 am - 6:05 pm
GEG
-
GUM
42h 05m2 stops
United Airlines Logo
7:05 am - 11:09 am
GUM
-
GEG
21h 04m2 stops
$1,885United Airlines
Sun, Apr 19 - Sat, May 9

United Airlines flights from State of Washington to Tamuning

Our best United Airlines deals on State of Washington to Tamuning flight tickets
United Airlines
Feb 23
PDX7:57 pmPortland
29h 08m
2 stops
GUM7:05 pmTamuning Guam Intl
Mar 9
GUM7:25 amTamuning Guam Intl
28h 23m
2 stops
PDX6:48 pmPortland
$1,818
Find similar
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

Delta flights from State of Washington to Tamuning

Our best Delta deals on State of Washington to Tamuning flight tickets
Delta
Feb 23
SEA11:25 amSeattle/Tacoma Intl
33h 10m
1 stop
GUM2:35 pmTamuning Guam Intl
Mar 1
GUM4:50 pmTamuning Guam Intl
38h 30m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,544
Find similar
Delta
Feb 23
SEA11:25 amSeattle/Tacoma Intl
17h 40m
1 stop
GUM11:05 pmTamuning Guam Intl
Mar 2
GUM4:50 pmTamuning Guam Intl
43h 39m
2 stops
SEA6:29 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

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Tamuning 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 23, 2025.
Use the filters below to find and compare flights from Washington to Tamuning 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

Sun 3/1

4:50 pm-1:20 pm

1 stop38h 30m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/23

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Mon 3/2

4:50 pm-6:29 pm

2 stops43h 39m

$1,548

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 12/25

1:40 pm-11:00 pm

1 stop39h 20m

Tamuning Guam Intl

Sun 12/28

3:25 am-1:45 pm

1 stop28h 20m

$1,550

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

7:00 pm-2:35 pm

2 stops49h 35m

Tamuning Guam Intl

Sun 3/1

4:50 pm-1:20 pm

1 stop38h 30m

$1,558

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 2/22

1:38 pm-11:05 pm

2 stops39h 27m

Tamuning Guam Intl

Mon 3/2

4:50 pm-8:46 pm

2 stops45h 56m

$1,562

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 2/23

7:57 pm-7:05 pm

2 stops29h 08m

Tamuning Guam Intl

Mon 3/9

7:25 am-6:48 pm

2 stops28h 23m

$1,818

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

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Sun 4/19

7:00 am-6:05 pm

2 stops42h 05m

Tamuning Guam Intl

Sat 5/9

7:05 am-11:09 am

2 stops21h 04m

$1,885

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 Tamuning from

How to get the cheapest flight ticket from State of Washington to Tamuning

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 Tamuning?

The month of October is, on average, the cheapest month to fly to Tamuning from State of Washington, with most prices found around $1,571. If you aren’t able to travel during the month of October, then book flights to Tamuning from State of Washington during March instead. Flights to Tamuning 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 Tamuning?

The cheapest day to depart from State of Washington to Tamuning is on a Monday. Travelers who choose to depart for Tamuning on a Monday will often find tickets for as low as $1,742. The most expensive day to fly to Tamuning is Sunday, with ticket prices averaging around $2,305.

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

Our most recent data shows that the best time of day to fly to Tamuning is at noon. Flights from State of Washington to Tamuning during this time can be as low as $1,776. Flights in the morning are often more expensive with an average ticket price of $1,903.

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

You are more likely to see cheaper flights to Tamuning from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Tamuning 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 Tamuning from State of Washington for as low as $1,294 on momondo.

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

You could potentially save up to 11% on your flight if you consider stops on a State of Washington to Tamuning flight.

Cheap State of Washington to Tamuning flight deals and tips

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

Fastest flight time

17h 40m

Direct flights

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

  • When did momondo last update prices for flights from Washington to Tamuning Guam Intl Airport?

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

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

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

    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 Tamuning Guam Intl Airport.

  • What documentation or ID do you need to fly to Tamuning Guam Intl Airport?

    The necessary travel and health documents for your Tamuning Guam Intl Airport 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 Tamuning

Compare and see reviews for airlines that fly from State of Washington to Tamuning with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $483Free CancellationRating
7.4
9,106 reviews
Search United Airlines flights
DeltaPriceFrom $1,543Free CancellationRating
7.9
8,014 reviews
Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Tamuning. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Tamuning from Washington which offer a flexible booking policy as well as other useful filters and features.

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

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 Washington to Tamuning.

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

Price alerts on flights to Tamuning from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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