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Cheap flights from Washington, D.C. Dulles Intl Airport to Tamuning from $715

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 1/24. 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.
United Airlines Logo
6:15 am - 6:50 pm
IAD
-
GUM
22h 35m2 stops
United Airlines Logo
7:25 am - 3:44 pm
GUM
-
IAD
22h 19m2 stops
$1,918United Airlines
Tue, Mar 10 - Tue, Mar 17
Delta Logo
6:00 am - 3:15 pm
IAD
-
GUM
43h 15m2 stops
Delta Logo
5:00 pm - 9:16 pm
GUM
-
IAD
42h 16m2 stops
$1,933Delta
Mon, May 4 - Wed, May 13
United Airlines Logo
7:32 pm - 6:50 pm
IAD
-
GUM
33h 18m2 stops
United Airlines Logo
7:20 pm - 4:40 pm
GUM
-
IAD
35h 20m1 stop
$1,942United Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
7:13 pm - 7:05 pm
IAD
-
GUM
32h 52m2 stops
United Airlines Logo
7:40 am - 1:05 pm
GUM
-
IAD
20h 25m2 stops
$1,968United Airlines
Tue, Feb 17 - Fri, Feb 27
United Airlines Logo
12:20 pm - 4:20 am
IAD
-
GUM
25h 00m1 stop
United Airlines Logo
7:40 am - 3:44 pm
GUM
-
IAD
23h 04m2 stops
$1,992United Airlines
Tue, Feb 17 - Fri, Feb 27
United Airlines Logo
12:30 pm - 4:25 am
IAD
-
GUM
25h 55m1 stop
United Airlines Logo
7:30 pm - 3:50 pm
GUM
-
IAD
34h 20m1 stop
$1,999United Airlines
Tue, May 12 - Tue, Jun 2
Delta Logo
7:30 am - 11:05 pm
IAD
-
GUM
24h 35m2 stops
Delta Logo
1:00 am - 12:24 am
GUM
-
IAD
38h 24m2 stops
$2,078Delta
Mon, Jan 19 - Mon, Feb 2
Delta Logo
6:15 am - 3:15 pm
IAD
-
GUM
43h 00m2 stops
Delta Logo
5:00 pm - 12:09 am
GUM
-
IAD
45h 09m2 stops
$2,156Delta
Tue, May 12 - Tue, Jun 2
Delta Logo
7:30 am - 2:35 pm
IAD
-
GUM
40h 05m2 stops
Delta Logo
4:50 pm - 11:50 am
GUM
-
IAD
34h 00m2 stops
$2,178Delta
Sat, Jan 31 - Sat, Feb 14
Delta Logo
7:30 am - 11:05 pm
IAD
-
GUM
24h 35m2 stops
Delta Logo
1:00 am - 11:10 pm
GUM
-
IAD
37h 10m2 stops
$2,198Delta
Wed, Jan 7 - Tue, Jan 13

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
May 4
IAD6:00 amWashington, D.C. Dulles Intl
43h 15m
2 stops
GUM3:15 pmTamuning Guam Intl
May 13
GUM5:00 pmTamuning Guam Intl
42h 16m
2 stops
IAD9:16 pmWashington, D.C. Dulles Intl
$1,933
Find similar
Delta
Jan 19
IAD7:30 amWashington, D.C. Dulles Intl
24h 35m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 2
GUM1:00 amTamuning Guam Intl
38h 24m
2 stops
IAD12:24 amWashington, D.C. Dulles Intl
$2,078
Find similar
Delta
May 12
IAD6:15 amWashington, D.C. Dulles Intl
43h 00m
2 stops
GUM3:15 pmTamuning Guam Intl
Jun 2
GUM5:00 pmTamuning Guam Intl
45h 09m
2 stops
IAD12:09 amWashington, D.C. Dulles Intl
$2,156
Find similar

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
Mar 10
IAD6:15 amWashington, D.C. Dulles Intl
22h 35m
2 stops
GUM6:50 pmTamuning Guam Intl
Mar 17
GUM7:25 amTamuning Guam Intl
22h 19m
2 stops
IAD3:44 pmWashington, D.C. Dulles Intl
$1,918
Find similar
United Airlines
Mar 10
IAD7:32 pmWashington, D.C. Dulles Intl
33h 18m
2 stops
GUM6:50 pmTamuning Guam Intl
Mar 17
GUM7:20 pmTamuning Guam Intl
35h 20m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
$1,942
Find similar
United Airlines
Feb 17
IAD7:13 pmWashington, D.C. Dulles Intl
32h 52m
2 stops
GUM7:05 pmTamuning Guam Intl
Feb 27
GUM7:40 amTamuning Guam Intl
20h 25m
2 stops
IAD1:05 pmWashington, D.C. Dulles Intl
$1,968
Find similar

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 December 9, 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

Tue 3/10

6:15 am-6:50 pm

2 stops22h 35m

Tamuning Guam Intl

Tue 3/17

7:25 am-3:44 pm

2 stops22h 19m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 5/4

6:00 am-3:15 pm

2 stops43h 15m

Tamuning Guam Intl

Wed 5/13

5:00 pm-9:16 pm

2 stops42h 16m

$1,933

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 3/10

7:32 pm-6:50 pm

2 stops33h 18m

Tamuning Guam Intl

Tue 3/17

7:20 pm-4:40 pm

1 stop35h 20m

$1,942

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 2/17

7:13 pm-7:05 pm

2 stops32h 52m

Tamuning Guam Intl

Fri 2/27

7:40 am-1:05 pm

2 stops20h 25m

$1,968

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 2/17

12:20 pm-4:20 am

1 stop25h 00m

Tamuning Guam Intl

Fri 2/27

7:40 am-3:44 pm

2 stops23h 04m

$1,992

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 5/12

12:30 pm-4:25 am

1 stop25h 55m

Tamuning Guam Intl

Tue 6/2

7:30 pm-3:50 pm

1 stop34h 20m

$1,999

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 1/19

7:30 am-11:05 pm

2 stops24h 35m

Tamuning Guam Intl

Mon 2/2

1:00 am-12:24 am

2 stops38h 24m

$2,078

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 5/12

6:15 am-3:15 pm

2 stops43h 00m

Tamuning Guam Intl

Tue 6/2

5:00 pm-12:09 am

2 stops45h 09m

$2,156

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sat 1/31

7:30 am-2:35 pm

2 stops40h 05m

Tamuning Guam Intl

Sat 2/14

4:50 pm-11:50 am

2 stops34h 00m

$2,178

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 1/7

7:30 am-11:05 pm

2 stops24h 35m

Tamuning Guam Intl

Tue 1/13

1:00 am-11:10 pm

2 stops37h 10m

$2,198

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest 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

Fastest flight time

19h 45m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Tamuning takes 19h 45m
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.
Search flight deals

  • 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 45m.

  • 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
9,089 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Tamuning?

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.

How can momondo help me find flights from Washington, D.C. to Tamuning?

Once all potential Washington, D.C. to Tamuning flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington, D.C. to Tamuning 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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