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$633+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GUM
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. 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 9/410:10 pm
IAD
-
GUM
2 stops51h 35m
United Airlines
Tue 9/87:10 am
GUM
-
IAD
2 stops32h 07m
United Airlines
Deal found 2/8$1,708
This United Airlines deal was found by Cheapflights users on 2/11. 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 9/105:55 pm
IAD
-
GUM
2 stops44h 25m
United Airlines
Sun 9/137:10 am
GUM
-
IAD
2 stops25h 57m
United Airlines
Deal found 2/11$1,747
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/276:00 am
IAD
-
GUM
2 stops22h 05m
United Airlines
Tue 5/57:05 am
GUM
-
IAD
2 stops22h 40m
United Airlines
Deal found 2/9$1,919
This Delta deal was found by Cheapflights users on 2/9. 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 5/46:00 am
IAD
-
GUM
2 stops27h 55m
Delta
Wed 5/135:00 pm
GUM
-
IAD
2 stops44h 41m
Delta
Deal found 2/9$1,934
This Delta deal was found by Cheapflights users on 2/8. 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 stops43h 15m
Delta
Tue 9/155:00 pm
GUM
-
IAD
2 stops37h 25m
Delta
Deal found 2/8$1,984
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/8$2,000
This United Airlines deal was found by Cheapflights users on 2/11. 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 8/176:30 am
IAD
-
GUM
2 stops21h 35m
United Airlines
Mon 8/247:05 am
GUM
-
IAD
2 stops20h 22m
United Airlines
Deal found 2/11$2,019
This United Airlines deal was found by Cheapflights users on 2/11. 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 7/26:30 am
IAD
-
GUM
2 stops21h 35m
United Airlines
Fri 7/177:05 am
GUM
-
IAD
2 stops23h 20m
United Airlines
Deal found 2/11$2,069
This Delta deal was found by Cheapflights users on 2/12. 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 3/37:30 am
IAD
-
GUM
2 stops24h 35m
Delta
Wed 3/111:00 am
GUM
-
IAD
2 stops36h 48m
Delta
Deal found 2/12$2,079
This United Airlines deal was found by Cheapflights users on 2/11. 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 7/1012:50 pm
IAD
-
GUM
1 stop25h 30m
United Airlines
Wed 7/227:05 am
GUM
-
IAD
2 stops20h 23m
United Airlines
Deal found 2/11$2,088

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,919
(United Airlines)

One-way from

$633
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$1,967
Provider with most accurate pricing for Washington, D.C. (WAS)-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Tamuning Guam Intl flights.
Search Deals
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. 15% potential increase in price ($440 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($101 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 12, 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

Dulles Intl

Fly to

Guam

Route

Depart

Return

Price

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 4/27

6:00 am-6:05 pm

2 stops22h 05m

Tamuning Guam Intl

Tue 5/5

7:05 am-3:45 pm

2 stops22h 40m

$1,919

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 5/4

6:00 am-11:55 pm

2 stops27h 55m

Tamuning Guam Intl

Wed 5/13

5:00 pm-11:41 pm

2 stops44h 41m

$1,934

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Fri 7/10

6:15 am-6:05 pm

2 stops21h 50m

Tamuning Guam Intl

Wed 7/22

7:05 am-4:25 pm

2 stops23h 20m

$2,069

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 7/2

6:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Fri 7/17

7:05 am-4:25 pm

2 stops23h 20m

$2,069

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 3/3

7:30 am-11:05 pm

2 stops24h 35m

Tamuning Guam Intl

Wed 3/11

1:00 am-11:48 pm

2 stops36h 48m

$2,079

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 3/3

7:00 am-11:05 pm

2 stops25h 05m

Tamuning Guam Intl

Tue 3/17

1:00 am-11:41 pm

2 stops36h 41m

$2,079

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 3/2

7:30 am-2:35 pm

2 stops40h 05m

Tamuning Guam Intl

Wed 3/18

1:00 am-11:49 pm

2 stops36h 49m

$2,079

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 4/14

7:00 am-11:45 pm

3 stops50h 45m

$633

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 4/20

7:00 am-3:35 am

2 stops30h 35m

$1,075

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 4/19

7:00 am-3:35 am

2 stops30h 35m

$1,135

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 19 results
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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 February 12, 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
9,283 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

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
9,283 reviews
United Airlines
7.4
Good
9,283 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

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 22h 05m. 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

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Alternative routes for Dulles Intl to Guam

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 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,020Average$2,357FlexibilityNo cancel feeOn-time69%

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