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Tamuning

$1,537+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GUM
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Delta deal was found by Cheapflights users on 12/4. 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.
Fri 12/57:15 amIAD - GUM
2 stops24h 50mDelta
Wed 12/174:50 pmGUM - IAD
2 stops46h 12mDelta
Deal found 12/4$2,788
This Delta deal was found by Cheapflights users on 12/1. 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 12/47:15 amIAD - GUM
2 stops24h 50mDelta
Sun 12/281:00 amGUM - IAD
2 stops30h 11mDelta
Deal found 12/1$2,829
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/910:08 pmIAD - GUM
2 stops29h 42mUnited Airlines
Tue 12/167:40 amGUM - IAD
2 stops23h 50mUnited Airlines
Deal found 12/2$2,878
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/912:20 pmIAD - GUM
1 stop25h 00mUnited Airlines
Thu 1/17:40 amGUM - IAD
2 stops23h 42mUnited Airlines
Deal found 12/3$2,902
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/510:08 pmIAD - GUM
2 stops29h 42mUnited Airlines
Wed 12/177:00 amGUM - IAD
1 stop23h 40mUnited Airlines
Deal found 12/4$2,961
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/46:00 amIAD - GUM
2 stops21h 50mUnited Airlines
Mon 12/297:40 amGUM - IAD
2 stops20h 36mUnited Airlines
Deal found 12/1$3,878
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/56:00 amIAD - GUM
2 stops21h 50mUnited Airlines
Sun 12/77:20 pmGUM - IAD
1 stop35h 20mUnited Airlines
Deal found 12/1$10,824

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,918
(United Airlines)

One-way from

$1,537
(Delta)

Popular in

November

Cheapest in

August

Average price

$2,696
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Tamuning Guam Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Tamuning Guam Intl flights.
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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
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
Search Deals

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 December 4, 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 2/5

8:15 am-7:05 pm

1 stop19h 50m

Tamuning Guam Intl

Thu 2/19

7:40 am-6:06 pm

2 stops25h 26m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 2/8

10:20 pm-7:05 pm

2 stops29h 45m

Tamuning Guam Intl

Thu 2/19

7:40 am-3:44 pm

2 stops23h 04m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 2/18

8:15 am-7:05 pm

1 stop19h 50m

Tamuning Guam Intl

Thu 2/26

7:40 am-8:53 pm

2 stops28h 13m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 2/17

6:03 am-7:05 pm

2 stops22h 02m

Tamuning Guam Intl

Thu 2/26

7:40 am-8:53 pm

2 stops28h 13m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 2/9

8:15 am-7:05 pm

1 stop19h 50m

Tamuning Guam Intl

Thu 2/19

7:40 am-10:16 pm

2 stops29h 36m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 2/4

6:15 pm-7:05 pm

2 stops33h 50m

Tamuning Guam Intl

Thu 2/19

7:40 am-4:37 pm

2 stops23h 57m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 2/16

6:03 am-7:05 pm

2 stops22h 02m

Tamuning Guam Intl

Thu 2/26

7:40 am-4:37 pm

2 stops23h 57m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 2/17

6:03 am-7:05 pm

2 stops22h 02m

Tamuning Guam Intl

Tue 2/24

7:40 am-3:44 pm

2 stops23h 04m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 2/8

7:45 pm-7:05 pm

2 stops32h 20m

Tamuning Guam Intl

Tue 2/17

7:40 am-1:05 pm

2 stops20h 25m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 2/8

10:20 pm-7:05 pm

2 stops29h 45m

Tamuning Guam Intl

Wed 2/18

7:40 am-3:44 pm

2 stops23h 04m

$1,918

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 15 results
1
2

Compare providers for flights from Dulles Intl to Tamuning

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 Dulles Intl to Tamuning in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*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 Washington, D.C. Dulles Intl Airport-Tamuning flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Tamuning flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Tamuning flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Tamuning 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 Washington, D.C. Dulles Intl Airport-Tamuning 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 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 December 4, 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
9,066 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

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

    Departing from Washington, D.C. Dulles Intl Airport to Tamuning will take you 19h 50m. There are 7899 mi between Washington, D.C. Dulles Intl Airport and Tamuning.

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

    United Airlines, at $2,020, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Tamuning..

  • 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.

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.
Baltimore to Tamuning flights
Reagan-National to Tamuning flights

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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,020Average$2,357FlexibilityNo cancel feeOn-time69%

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