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Tamuning

$653+ Cheap flights from Dulles Intl (IAD) to Tamuning (GUM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GUM
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Dulles Intl to Tamuning

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Tamuning (GUM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$1,917
(United Airlines)

One-way from

$653
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$2,145
From Washington, D.C. Dulles Intl to Tamuning Guam Intl
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One-way flight from Washington, D.C. Dulles Intl to Tamuning Guam Intl
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Highest demand for flights based on searches. 8% potential increase in price ($229 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($96 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Tamuning

Cheapest flights from Dulles Intl to Tamuning
Explore the most affordable flight options available from Dulles Intl to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:00 amIAD - GUM
2 stops21h 50mUnited Airlines
Wed 11/127:25 amGUM - IAD
2 stops20h 53mUnited Airlines
Deal found 8/13$1,917
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:35 amIAD - GUM
2 stops26h 35mDelta
Tue 10/284:50 pmGUM - IAD
2 stops44h 10mDelta
Deal found 8/13$1,933
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:25 pmIAD - GUM
1 stop26h 00mUnited Airlines
Wed 10/227:10 amGUM - IAD
2 stops23h 14mUnited Airlines
Deal found 8/13$1,942
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:18 pmIAD - GUM
2 stops29h 47mUnited Airlines
Tue 10/281:00 pmGUM - IAD
2 stops22h 21mUnited Airlines
Deal found 8/13$1,945
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:25 pmIAD - GUM
1 stop26h 00mUnited Airlines
Wed 10/227:05 pmGUM - IAD
1 stop34h 30mUnited Airlines
Deal found 8/13$1,949
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:08 pmIAD - GUM
2 stops29h 42mUnited Airlines
Wed 1/77:25 amGUM - IAD
2 stops26h 40mUnited Airlines
Deal found 8/13$1,967
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:35 amIAD - GUM
2 stops26h 35mDelta
Sun 10/264:50 pmGUM - IAD
2 stops44h 50mDelta
Deal found 8/13$1,983
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:25 pmIAD - GUM
1 stop26h 00mUnited Airlines
Mon 10/277:05 pmGUM - IAD
1 stop35h 35mUnited Airlines
Deal found 8/13$1,999
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:01 amIAD - GUM
2 stops22h 04mUnited Airlines
Sat 10/257:10 amGUM - IAD
2 stops20h 18mUnited Airlines
Deal found 8/13$2,017
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:52 pmIAD - GUM
2 stops31h 23mDelta
Fri 10/241:55 amGUM - IAD
2 stops35h 45mDelta
Deal found 8/13$2,033
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:20 pmIAD - GUM
1 stop25h 00mUnited Airlines
Sat 11/157:25 amGUM - IAD
2 stops24h 01mUnited Airlines
Deal found 8/13$2,042

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 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

Dulles Intl

Fly to

Tamuning

Route

Depart

Return

Price

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 11/5

6:00 am-6:50 pm

2 stops21h 50m

Tamuning Guam Intl

Thu 11/13

7:25 am-6:52 pm

2 stops26h 27m

$1,917

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 11/10

10:10 pm-6:50 pm

2 stops29h 40m

Tamuning Guam Intl

Tue 11/18

7:25 am-11:15 pm

2 stops30h 50m

$1,917

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 10/15

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Wed 10/22

7:10 am-9:07 pm

2 stops27h 57m

$1,917

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 2/4

6:30 am-7:05 pm

2 stops21h 35m

Tamuning Guam Intl

Wed 2/25

7:25 am-1:27 pm

2 stops21h 02m

$1,917

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 11/9

10:10 pm-6:50 pm

2 stops29h 40m

Tamuning Guam Intl

Mon 11/17

7:25 am-1:18 pm

2 stops20h 53m

$1,917

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 11/5

6:00 am-6:50 pm

2 stops21h 50m

Tamuning Guam Intl

Wed 11/12

7:25 am-1:18 pm

2 stops20h 53m

$1,917

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 10/16

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Thu 10/23

7:10 am-1:28 pm

2 stops20h 18m

$1,917

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 2/9

6:30 am-7:05 pm

2 stops21h 35m

Tamuning Guam Intl

Mon 2/16

7:25 am-3:50 pm

2 stops23h 25m

$1,917

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 11/6

6:00 am-6:50 pm

2 stops21h 50m

Tamuning Guam Intl

Tue 11/18

7:25 am-11:15 pm

2 stops30h 50m

$1,917

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 11/11

6:00 am-6:50 pm

2 stops21h 50m

Tamuning Guam Intl

Tue 11/18

7:25 am-6:52 pm

2 stops26h 27m

$1,917

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 results
1
2

Best time to book a flight from Dulles Intl to Tamuning

Have a flexible travel schedule? Discover the best time to fly to Tamuning from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Tamuning

Get insights into the airlines that provide service to Tamuning. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tamuning. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with United Airlines from Washington, D.C. Dulles Intl Airport to Tamuning by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Tamuning. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Tamuning from Washington, D.C. Dulles Intl?

    Most people fly into Tamuning Guam Intl (GUM) if they book a flight to Tamuning from Washington, D.C. Dulles Intl. On average, Guam Intl has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Tamuning Guam Intl is conveniently located just 1.1 mi from Tamuning’s city center.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Tamuning round-trip?

    United Airlines, at $2,017, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Tamuning.. United Airlines is 18% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Dulles Intl to Tamuning that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Tamuning flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Tamuning?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Tamuning.

  • Can I find deals for business class flights from Dulles Intl to Tamuning?

    Yes. Cheapflights offers flight deals from Dulles Intl to Tamuning by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Tamuning?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tamuning (average of $1,977). Flying from Washington, D.C. Dulles Intl Airport to Tamuning in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Tamuning

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dulles Intl to Tamuning

Discover the top airline that operate flights from Dulles Intl to Tamuning. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,017Average$2,357FlexibilityNo cancel feeOn-time69%

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