Cheap flights from Washington, D.C. Dulles Intl Airport to Tamuning from $1,537

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, D.C. Dulles Intl Airport to Tamuning departing on 10/31. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Tamuning

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:10 am - 2:35 pmIAD-GUM
42h 25m2 stops
Delta Logo
1:00 am - 11:02 pmGUM-IAD
36h 02m2 stops
$1,933Delta
Find Deal
Thu, Mar 12 - Wed, Mar 18
United Airlines Logo
8:15 am - 7:05 pmIAD-GUM
19h 50m1 stop
United Airlines Logo
7:40 am - 7:21 pmGUM-IAD
26h 41m2 stops
$1,968United Airlines
Find Deal
Mon, Jan 12 - Thu, Jan 22
Delta Logo
6:10 am - 2:35 pmIAD-GUM
42h 25m2 stops
Delta Logo
4:50 pm - 4:30 pmGUM-IAD
37h 40m2 stops
$1,983Delta
Find Deal
Thu, Mar 12 - Thu, Mar 19
United Airlines Logo
8:15 am - 7:05 pmIAD-GUM
19h 50m1 stop
United Airlines Logo
7:20 pm - 3:40 pmGUM-IAD
35h 20m1 stop
$1,987United Airlines
Find Deal
Mon, Jan 12 - Sun, Jan 18
United Airlines Logo
6:03 am - 7:05 pmIAD-GUM
22h 02m2 stops
United Airlines Logo
7:20 pm - 9:13 pmGUM-IAD
40h 53m2 stops
$1,992United Airlines
Find Deal
Fri, Jan 23 - Sun, Feb 1
United Airlines Logo
12:20 pm - 4:20 amIAD-GUM
25h 00m1 stop
United Airlines Logo
7:20 pm - 3:40 pmGUM-IAD
35h 20m1 stop
$2,000United Airlines
Find Deal
Tue, Jan 13 - Mon, Jan 19
Delta Logo
6:10 am - 2:35 pmIAD-GUM
41h 25m2 stops
Delta Logo
1:00 am - 12:07 amGUM-IAD
38h 07m2 stops
$2,033Delta
Find Deal
Fri, Jan 23 - Sat, Jan 31
United Airlines Logo
8:15 am - 7:05 pmIAD-GUM
19h 50m1 stop
United Airlines Logo
7:20 pm - 9:13 pmGUM-IAD
40h 53m2 stops
$2,042United Airlines
Find Deal
Fri, Jan 16 - Thu, Jan 22
United Airlines Logo
12:20 pm - 4:20 amIAD-GUM
25h 00m1 stop
United Airlines Logo
7:20 pm - 3:40 pmGUM-IAD
35h 20m1 stop
$2,050United Airlines
Find Deal
Fri, Jan 16 - Thu, Jan 22
Delta Logo
7:00 am - 11:05 pmIAD-GUM
25h 05m2 stops
Delta Logo
4:50 pm - 11:16 pmGUM-IAD
45h 26m2 stops
$2,082Delta
Find Deal
Mon, Jan 19 - Mon, Jan 26

United Airlines flights from Washington, D.C. Dulles Intl Airport to Tamuning

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Tamuning flight tickets
United Airlines
Jan 12
IAD8:15 amWashington, D.C. Dulles Intl
19h 50m
1 stop
GUM7:05 pmTamuning Guam Intl
Jan 22
GUM7:40 amTamuning Guam Intl
26h 41m
2 stops
IAD7:21 pmWashington, D.C. Dulles Intl
United Airlines
Jan 12
IAD8:15 amWashington, D.C. Dulles Intl
19h 50m
1 stop
GUM7:05 pmTamuning Guam Intl
Jan 18
GUM7:20 pmTamuning Guam Intl
35h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
United Airlines
Jan 23
IAD6:03 amWashington, D.C. Dulles Intl
22h 02m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 1
GUM7:20 pmTamuning Guam Intl
40h 53m
2 stops
IAD9:13 pmWashington, D.C. Dulles Intl

Delta flights from Washington, D.C. Dulles Intl Airport to Tamuning

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Tamuning flight tickets
Delta
Mar 12
IAD6:10 amWashington, D.C. Dulles Intl
42h 25m
2 stops
GUM2:35 pmTamuning Guam Intl
Mar 18
GUM1:00 amTamuning Guam Intl
36h 02m
2 stops
IAD11:02 pmWashington, D.C. Dulles Intl
Delta
Mar 12
IAD6:10 amWashington, D.C. Dulles Intl
42h 25m
2 stops
GUM2:35 pmTamuning Guam Intl
Mar 19
GUM4:50 pmTamuning Guam Intl
37h 40m
2 stops
IAD4:30 pmWashington, D.C. Dulles Intl
Delta
Jan 23
IAD6:10 amWashington, D.C. Dulles Intl
41h 25m
2 stops
GUM2:35 pmTamuning Guam Intl
Jan 31
GUM1:00 amTamuning Guam Intl
38h 07m
2 stops
IAD12:07 amWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 October 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Tamuning that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 3/12

6:10 am-2:35 pm

2 stops42h 25m

Tamuning Guam Intl

Wed 3/18

1:00 am-11:02 pm

2 stops36h 02m

$1,933

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 1/12

8:15 am-7:05 pm

1 stop19h 50m

Tamuning Guam Intl

Thu 1/22

7:40 am-7:21 pm

2 stops26h 41m

$1,968

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 3/12

6:10 am-2:35 pm

2 stops42h 25m

Tamuning Guam Intl

Thu 3/19

4:50 pm-4:30 pm

2 stops37h 40m

$1,983

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 1/12

8:15 am-7:05 pm

1 stop19h 50m

Tamuning Guam Intl

Sun 1/18

7:20 pm-3:40 pm

1 stop35h 20m

$1,987

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Fri 1/23

6:03 am-7:05 pm

2 stops22h 02m

Tamuning Guam Intl

Sun 2/1

7:20 pm-9:13 pm

2 stops40h 53m

$1,992

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 1/13

12:20 pm-4:20 am

1 stop25h 00m

Tamuning Guam Intl

Mon 1/19

7:20 pm-3:40 pm

1 stop35h 20m

$2,000

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Fri 1/23

6:10 am-2:35 pm

2 stops41h 25m

Tamuning Guam Intl

Sat 1/31

1:00 am-12:07 am

2 stops38h 07m

$2,033

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Fri 1/16

8:15 am-7:05 pm

1 stop19h 50m

Tamuning Guam Intl

Thu 1/22

7:20 pm-9:13 pm

2 stops40h 53m

$2,042

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Fri 1/16

12:20 pm-4:20 am

1 stop25h 00m

Tamuning Guam Intl

Thu 1/22

7:20 pm-3:40 pm

1 stop35h 20m

$2,050

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 1/19

7:00 am-11:05 pm

2 stops25h 05m

Tamuning Guam Intl

Mon 1/26

4:50 pm-11:16 pm

2 stops45h 26m

$2,082

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Tamuning from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 day to depart on your flight to Tamuning?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Tamuning is on a Wednesday. Travelers who choose to depart for Tamuning on a Wednesday will often find tickets for as low as $2,126. The most expensive day to fly to Tamuning is Sunday, with ticket prices averaging around $2,373.

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 in the evening. Flights from Washington, D.C. Dulles Intl Airport to Tamuning during this time can be as low as $2,136. Flights in the morning are often more expensive with an average ticket price of $2,261.

When to book flights from Washington, D.C. Dulles Intl Airport to Tamuning

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Tamuning according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Tamuning (IAD to GUM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Tamuning

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Tamuning. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Tamuning.
  • How far is Washington, D.C. Dulles Intl to Tamuning Guam Intl by plane?

    Washington, D.C. Dulles Intl and Tamuning Guam Intl are 7899.9 mi apart from one another. A reasonable flight in good conditions will take 19h 50m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Tamuning Guam Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Tamuning Guam Intl Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Tamuning Guam Intl Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport 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, D.C. Dulles Intl Airport to Tamuning Guam Intl Airport.

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

    The travel and health documents you'll need for your trip to Tamuning Guam Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Tamuning Guam Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Tamuning?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Tamuning

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Tamuning with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $2,020Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights

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It is quick and easy to find Washington, D.C. to Tamuning flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Tamuning that suits you.

Can I find flights from Washington, D.C. to Tamuning with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Tamuning on momondo can be filtered to show those which offer flexible booking policies.

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