HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$878+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — IAD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Tamuning to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 3/107:05 am
GUM
-
IAD
2 stops36h 31m
United Airlines
Tue 4/146:00 am
IAD
-
GUM
2 stops22h 05m
United Airlines
Deal found 1/27$1,578
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Tue 3/107:20 pm
GUM
-
IAD
1 stop35h 20m
United Airlines
Thu 4/1612:30 pm
IAD
-
GUM
1 stop25h 55m
United Airlines
Deal found 1/25$1,589
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/107:05 am
GUM
-
IAD
2 stops22h 41m
United Airlines
Thu 4/3012:30 pm
IAD
-
GUM
1 stop25h 55m
United Airlines
Deal found 1/26$1,627

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,578
(United Airlines)

One-way from

$878
(Kiwi.com)
Provider with most accurate pricing for Tamuning Guam Intl-Washington, D.C. Dulles Intl flight deals.
Search Deals
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
Search Deals
One-way flight from Tamuning Guam Intl to Washington, D.C. Dulles Intl
Search Deals

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 January 27, 2026.
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

Tue 3/10

7:05 am-5:36 am

2 stops36h 31m

Washington, D.C. Dulles Intl

Thu 4/16

6:00 am-6:05 pm

2 stops22h 05m

$1,578

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Tue 3/10

7:25 am-6:47 pm

2 stops25h 22m

Washington, D.C. Dulles Intl

Tue 4/14

12:30 pm-4:25 am

1 stop25h 55m

$1,581

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Fri 4/10

7:05 am-3:46 pm

2 stops22h 41m

Washington, D.C. Dulles Intl

Thu 4/30

12:30 pm-4:25 am

1 stop25h 55m

$1,627

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Thu 2/5

2:40 am-4:26 pm

2 stops52h 46m

$878

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Sun 2/22

2:40 am-5:40 am

2 stops42h 00m

$990

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Tue 2/17

7:20 pm-3:40 pm

1 stop35h 20m

$1,598

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Fri 2/6

7:20 pm-3:40 pm

1 stop35h 20m

$1,598

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Mon 2/23

7:20 pm-3:40 pm

1 stop35h 20m

$2,098

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

  • Most accurate provider: When it comes to deals on Tamuning-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tamuning-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 27, 2026.
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
9,205 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 36h 31m. 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 $1,584, 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,584Average$1,993FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.