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Dulles Intl

$1,361+ Cheap flights from Tamuning (GUM) to Dulles Intl (IAD)

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Tamuning to Dulles Intl

Cheapest flights from Tamuning to Dulles Intl
Explore the most affordable flight options available from Tamuning to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. 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.
Sun 12/217:20 pmGUM - IAD
1 stop35h 20mUnited Airlines
Sat 12/275:20 pmIAD - GUM
2 stops58h 40mUnited Airlines
Deal found 12/8$2,297

Find flight deals from Tamuning to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Tamuning (GUM) to Dulles Intl (IAD). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,633
(United Airlines)

One-way from

$1,361
(Delta)
Provider with most accurate pricing for Tamuning Guam Intl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Tamuning Guam Intl-Washington, D.C. Dulles Intl flights.
Search Deals
From Tamuning Guam Intl to Washington, D.C. Dulles Intl
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One-way flight from Tamuning Guam Intl to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Tamuning to Dulles Intl 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 December 12, 2025.
Use the filters below to find and compare flights from Tamuning to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Tamuning

Fly to

Dulles Intl

Route

Depart

Return

Price

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Thu 2/12

12:30 pm-8:53 pm

2 stops23h 23m

Washington, D.C. Dulles Intl

Mon 2/16

10:05 pm-7:05 pm

2 stops30h 00m

$1,633

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Sun 1/25

12:30 pm-8:49 pm

2 stops23h 19m

Washington, D.C. Dulles Intl

Sun 2/1

10:20 pm-7:05 pm

2 stops29h 45m

$1,633

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Fri 3/20

12:30 pm-9:05 pm

2 stops22h 35m

Washington, D.C. Dulles Intl

Thu 3/26

6:15 am-6:50 pm

2 stops22h 35m

$1,683

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Sun 12/21

7:20 pm-3:40 pm

1 stop35h 20m

Washington, D.C. Dulles Intl

Sat 12/27

5:20 pm-7:00 pm

2 stops58h 40m

$2,297

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Fri 1/23

4:50 pm-11:06 pm

2 stops45h 16m

$1,361

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Fri 1/23

7:20 pm-3:40 pm

1 stop35h 20m

$1,598

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Compare providers for flights from Tamuning to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tamuning to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tamuning-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tamuning-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Tamuning-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tamuning-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tamuning-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Tamuning to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Tamuning 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Tamuning to Washington, D.C. Dulles Intl Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Related info for your journey

Find useful and relevant information for your journey from Tamuning to Dulles Intl. 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 from for flights from Tamuning to Washington, D.C. Dulles Intl?

    Located just 1.1 mi from the city center, Tamuning Guam Intl is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Tamuning. Booking flights from Guam Intl (GUM) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 1 airline.

  • How long is the flight from Tamuning to Washington, D.C. Dulles Intl Airport?

    United Airlines can get you from Tamuning to Washington, D.C. Dulles Intl Airport in just under 23h 23m. Your travel time can differ by up to . The distance from Tamuning to Washington, D.C. Dulles Intl Airport is about 7899 mi.

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

    United Airlines, at $1,676, was found to be the cheapest airline from Tamuning to Washington, D.C. Dulles Intl Airport..

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

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

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

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

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

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

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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Alternative routes for Tamuning to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Tamuning to Baltimore flights
Tamuning to Reagan-National flights

Top airline flying from Tamuning to Dulles Intl

Discover the top airline that operate flights from Tamuning to Dulles Intl. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,676Average$2,159FlexibilityNo cancel feeOn-time69%

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