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Tamuning

$1,538+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GUM
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$2,033
(Delta)

One-way from

$1,538
(Delta)

Popular in

January

Cheapest in

October

Average price

$2,357
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. 10% potential increase in price ($286 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($92 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This United Airlines deal was found by Cheapflights users on 6/30. 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 10/1012:25 pmIAD - GUM
1 stop26h 00mUnited Airlines
Sun 11/27:05 pmGUM - IAD
1 stop35h 35mUnited Airlines
Deal found 6/30$2,000
This Delta deal was found by Cheapflights users on 6/30. 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.
Thu 9/412:20 pmIAD - GUM
2 stops36h 55mDelta
Sat 9/205:00 pmGUM - IAD
2 stops37h 31mDelta
Deal found 6/30$2,033

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 June 30, 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

Thu 9/4

6:00 am-3:15 pm

2 stops43h 15m

Tamuning Guam Intl

Fri 9/19

1:55 am-11:17 pm

2 stops35h 22m

$2,033

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 9/4

12:25 pm-4:25 am

1 stop26h 00m

Tamuning Guam Intl

Sat 9/20

7:10 am-11:55 pm

2 stops30h 45m

$2,042

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 8/27

6:15 am-3:15 pm

2 stops43h 00m

$1,538

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 7/8

12:20 pm-4:20 am

1 stop26h 00m

$1,724

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 June 30, 2025.
Get a feel of what it's like to fly with Delta and 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.
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Tamuning round-trip?

    Delta, at $2,033, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Tamuning. An alternate airline flying to your destination would be United Airlines. Delta is 16% 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,916Average$2,357FlexibilityNo cancel feeOn-time69%

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