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Guam

$1,416+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GUM
May 1 — May 81
Fri 5/1
Fri 5/8
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 April 1, 2026.

This United Airlines deal was found by Cheapflights users on 3/31. 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 10/56:30 am
IAD
-
GUM
2 stops21h 35m
United Airlines
Mon 10/127:10 am
GUM
-
IAD
2 stops29h 33m
United Airlines
Deal found 3/31$1,919
This Delta deal was found by Cheapflights users on 3/31. 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 9/16:00 am
IAD
-
GUM
2 stops27h 55m
Delta
Tue 9/155:20 pm
GUM
-
IAD
2 stops44h 09m
Delta
Deal found 3/31$1,983
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 9/112:50 pm
IAD
-
GUM
1 stop25h 30m
United Airlines
Tue 9/157:35 pm
GUM
-
IAD
1 stop34h 00m
United Airlines
Deal found 3/30$1,999
This United Airlines deal was found by Cheapflights users on 3/29. 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 6/2210:20 pm
IAD
-
GUM
2 stops29h 45m
United Airlines
Wed 7/227:05 am
GUM
-
IAD
2 stops27h 43m
United Airlines
Deal found 3/29$2,019
This United Airlines deal was found by Cheapflights users on 3/31. 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 7/712:50 pm
IAD
-
GUM
1 stop25h 30m
United Airlines
Wed 7/227:05 am
GUM
-
IAD
2 stops30h 27m
United Airlines
Deal found 3/31$2,042
This Delta deal was found by Cheapflights users on 3/31. 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.
Mon 5/47:00 am
IAD
-
GUM
2 stops42h 35m
Delta
Tue 5/122:00 am
GUM
-
IAD
2 stops36h 51m
Delta
Deal found 3/31$2,078
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 4/177:00 am
IAD
-
GUM
2 stops26h 55m
Delta
Mon 4/273:00 am
GUM
-
IAD
2 stops34h 03m
Delta
Deal found 3/27$2,128
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 5/146:00 am
IAD
-
GUM
2 stops22h 05m
United Airlines
Thu 5/217:05 am
GUM
-
IAD
2 stops23h 21m
United Airlines
Deal found 3/30$2,229
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 4/268:53 pm
IAD
-
GUM
2 stops31h 12m
United Airlines
Fri 5/17:05 am
GUM
-
IAD
2 stops29h 44m
United Airlines
Deal found 3/27$2,279
This United Airlines deal was found by Cheapflights users on 3/28. 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 5/218:29 am
IAD
-
GUM
2 stops22h 46m
United Airlines
Sat 5/307:15 am
GUM
-
IAD
2 stops27h 27m
United Airlines
Deal found 3/28$2,318
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Sat 5/238:15 pm
IAD
-
GUM
2 stops31h 50m
United Airlines
Tue 6/27:05 am
GUM
-
IAD
2 stops20h 21m
United Airlines
Deal found 3/29$2,344

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 April 1, 2026.

Round-trip from

$1,983
(Delta)

One-way from

$1,432
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$2,967
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. 10% potential increase in price ($281 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 1, 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

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 9/1

5:30 pm-3:35 pm

2 stops32h 05m

Tamuning Guam Intl

Tue 9/15

5:20 pm-12:10 am

2 stops44h 50m

$1,983

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 9/1

12:50 pm-4:20 am

1 stop25h 30m

Tamuning Guam Intl

Tue 9/15

7:35 pm-3:35 pm

1 stop34h 00m

$1,999

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 7/7

6:10 am-6:05 pm

2 stops21h 55m

Tamuning Guam Intl

Wed 7/22

7:05 am-7:25 pm

2 stops26h 20m

$2,019

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 5/4

7:00 am-3:35 pm

2 stops42h 35m

Tamuning Guam Intl

Wed 5/13

5:20 pm-11:32 pm

2 stops44h 12m

$2,078
Quickest round-trip

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 5/14

6:00 am-6:05 pm

2 stops22h 05m

Tamuning Guam Intl

Thu 5/21

7:05 am-4:26 pm

2 stops23h 21m

$2,229

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 5/21

8:29 am-9:15 pm

2 stops22h 46m

Tamuning Guam Intl

Sat 5/30

7:15 am-8:42 pm

2 stops27h 27m

$2,318

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 9/3

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Mon 9/7

7:05 am-11:24 pm

2 stops30h 19m

$2,359
Cheapest one-way

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 4/27

7:10 am-4:20 am

3 stops55h 10m

$1,416

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 5/3

9:00 am-3:35 am

2 stops28h 35m

$1,432

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 5/5

6:00 am-11:55 pm

2 stops27h 55m

$1,537

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 13 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 April 1, 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
9,529 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,529 reviews
United Airlines
7.4
Good
9,529 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 27h 55m. Delta provides one of the quickest options available for as low as $1,983. 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

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

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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,020Average$2,357FlexibilityNo cancel feeOn-time69%

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