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$976+ Cheap flights from Dulles Intl (IAD) to Guam

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GUM
Jun 27 — Jul 41
Sat 6/27
Sat 7/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Guam

Cheapest flights from Dulles Intl to Guam
Explore the most affordable flight options available from Dulles Intl to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.

This United Airlines deal was found by Cheapflights users on 5/27. 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 9/226:15 am
IAD
-
GUM
2 stops21h 50m
United Airlines
Tue 9/297:10 am
GUM
-
IAD
2 stops26h 16m
United Airlines
Deal found 5/27$1,919
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am
IAD
-
GUM
2 stops41h 35m
Delta
Tue 12/14:50 pm
GUM
-
IAD
2 stops43h 22m
Delta
Deal found 5/27$1,933
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Thu 12/318:15 am
IAD
-
GUM
1 stop19h 35m
United Airlines
Mon 1/257:45 am
GUM
-
IAD
2 stops23h 40m
United Airlines
Deal found 5/26$1,969
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:03 pm
IAD
-
GUM
2 stops34h 32m
Delta
Tue 9/155:20 pm
GUM
-
IAD
2 stops45h 12m
Delta
Deal found 5/27$1,983
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Thu 12/318:15 am
IAD
-
GUM
1 stop19h 35m
United Airlines
Sun 1/247:45 pm
GUM
-
IAD
1 stop34h 55m
United Airlines
Deal found 5/26$1,988
This United Airlines deal was found by Cheapflights users on 5/27. 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 9/16:15 am
IAD
-
GUM
2 stops21h 50m
United Airlines
Tue 9/157:35 pm
GUM
-
IAD
1 stop34h 00m
United Airlines
Deal found 5/27$1,992
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Mon 9/1412:35 pm
IAD
-
GUM
1 stop25h 45m
United Airlines
Sun 9/207:35 pm
GUM
-
IAD
1 stop34h 00m
United Airlines
Deal found 5/24$1,999
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:10 am
IAD
-
GUM
2 stops41h 25m
Delta
Sat 1/234:50 pm
GUM
-
IAD
2 stops46h 01m
Delta
Deal found 5/26$2,033
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Thu 12/318:15 am
IAD
-
GUM
1 stop19h 35m
United Airlines
Sat 1/237:45 pm
GUM
-
IAD
1 stop34h 55m
United Airlines
Deal found 5/26$2,038
This United Airlines deal was found by Cheapflights users on 5/27. 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 7/288:30 am
IAD
-
GUM
1 stop19h 35m
United Airlines
Mon 8/37:30 pm
GUM
-
IAD
2 stops41h 49m
United Airlines
Deal found 5/27$2,042

Find flight deals from Dulles Intl to Guam

Keep the following information in mind while searching for Dulles Intl to Guam flight deals. Data was last updated May 28, 2026.

Round-trip from

$1,919
(United Airlines)

One-way from

$976
(Kiwi.com)

Popular in

April

Cheapest in

February
From Washington, D.C. Dulles Intl to Guam
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Guam
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($63 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Guam 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 May 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 9/22

6:15 am-6:05 pm

2 stops21h 50m

Tamuning Guam Intl

Tue 9/29

7:10 am-7:26 pm

2 stops26h 16m

$1,919

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 11/17

6:00 am-2:35 pm

2 stops41h 35m

Tamuning Guam Intl

Tue 12/1

4:50 pm-9:12 pm

2 stops43h 22m

$1,933

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 9/29

12:35 pm-4:20 am

1 stop25h 45m

Tamuning Guam Intl

Wed 10/7

7:10 am-9:07 pm

2 stops27h 57m

$1,942

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 9/1

3:03 pm-3:35 pm

2 stops34h 32m

Tamuning Guam Intl

Tue 9/15

5:20 pm-12:32 am

2 stops45h 12m

$1,983

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 9/1

6:15 am-6:05 pm

2 stops21h 50m

Tamuning Guam Intl

Tue 9/15

7:35 pm-3:35 pm

1 stop34h 00m

$1,992

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 7/28

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Mon 8/3

7:30 pm-11:19 pm

2 stops41h 49m

$2,042
Cheapest one-way

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 6/9

9:00 am-1:00 am

3 stops50h 00m

$976

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 6/8

9:00 am-4:20 am

3 stops53h 20m

$1,056

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Fri 7/24

6:03 am-3:35 am

2 stops31h 32m

$1,159

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sat 10/10

6:00 am-3:35 pm

2 stops43h 35m

$1,537

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/27

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Dulles Intl to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Guam
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. 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 Guam. Reviews last updated May 28, 2026.
Peruse reviews from past customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to Guam to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,752 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,752 reviews
United Airlines
7.4
Good
9,752 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

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

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Guam can take about 21h 50m. United Airlines provides one of the quickest options available for as low as $1,919. There are 7899 mi between Washington, D.C. Dulles Intl Airport and Guam. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Guam 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Dulles Intl to Guam

Discover the top airline that operate flights from Dulles Intl to Guam. 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 May 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,044Average$2,320FlexibilityNo cancel feeOn-time69%

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