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$1,612+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GUM
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap 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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,933
(Delta)

One-way from

$1,612
(Delta)

Popular in

November

Cheapest in

August

Average price

$2,877
Provider with most accurate pricing for Washington, D.C. (WAS)-Tamuning Guam Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Tamuning Guam Intl flights.
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From Washington, D.C. Dulles Intl to Guam
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One-way flight from Washington, D.C. Dulles Intl to Guam
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Highest demand for flights based on searches. 7% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 11/156:03 pmIAD - GUM
2 stops43h 17mUnited Airlines
Tue 11/187:40 amGUM - IAD
2 stops23h 50mUnited Airlines
Deal found 11/2$2,103
This Delta deal was found by Cheapflights users on 11/3. 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 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
Tue 12/161:00 amGUM - IAD
2 stops37h 27mDelta
Deal found 11/3$2,138
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:03 amIAD - GUM
2 stops41h 32mDelta
Sat 12/131:00 amGUM - IAD
2 stops35h 29mDelta
Deal found 11/3$2,178
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 12/76:39 pmIAD - GUM
2 stops33h 11mUnited Airlines
Thu 12/117:40 amGUM - IAD
2 stops23h 45mUnited Airlines
Deal found 11/2$2,228
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/46:00 amIAD - GUM
2 stops21h 50mUnited Airlines
Wed 12/177:40 amGUM - IAD
2 stops26h 46mUnited Airlines
Deal found 11/3$2,283
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:15 amIAD - GUM
2 stops24h 50mDelta
Wed 12/101:00 amGUM - IAD
2 stops35h 29mDelta
Deal found 11/2$2,328
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/1710:10 pmIAD - GUM
2 stops29h 50mUnited Airlines
Mon 1/57:40 amGUM - IAD
2 stops26h 46mUnited Airlines
Deal found 11/2$2,358
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 12/712:20 pmIAD - GUM
1 stop25h 00mUnited Airlines
Sun 12/147:20 pmGUM - IAD
1 stop35h 20mUnited Airlines
Deal found 11/3$2,374
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/1810:15 pmIAD - GUM
2 stops29h 45mUnited Airlines
Thu 1/87:40 amGUM - IAD
2 stops23h 50mUnited Airlines
Deal found 11/3$2,408
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/1810:15 pmIAD - GUM
2 stops29h 45mUnited Airlines
Fri 1/27:40 amGUM - IAD
2 stops26h 05mUnited Airlines
Deal found 11/2$2,458

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 November 3, 2025.
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

Sat 11/15

6:03 pm-4:20 am

2 stops43h 17m

Tamuning Guam Intl

Tue 11/18

7:40 am-4:30 pm

2 stops23h 50m

$2,103

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 12/4

7:15 am-11:05 pm

2 stops24h 50m

Tamuning Guam Intl

Tue 12/16

1:00 am-11:27 pm

2 stops37h 27m

$2,138

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 12/7

6:03 am-2:35 pm

2 stops41h 32m

Tamuning Guam Intl

Sat 12/13

1:00 am-9:29 pm

2 stops35h 29m

$2,178

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 12/4

6:00 am-6:50 pm

2 stops21h 50m

Tamuning Guam Intl

Wed 12/17

7:40 am-7:26 pm

2 stops26h 46m

$2,283

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 12/7

7:15 am-11:05 pm

2 stops24h 50m

Tamuning Guam Intl

Wed 12/10

1:00 am-9:29 pm

2 stops35h 29m

$2,328

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 12/17

10:10 pm-7:00 pm

2 stops29h 50m

Tamuning Guam Intl

Mon 1/5

7:40 am-7:26 pm

2 stops26h 46m

$2,358

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 12/23

10:15 pm-7:00 pm

2 stops29h 45m

Tamuning Guam Intl

Tue 12/30

7:40 am-4:24 pm

2 stops23h 44m

$2,358

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 12/17

6:00 am-6:50 pm

2 stops21h 50m

Tamuning Guam Intl

Wed 1/7

7:40 am-6:29 pm

2 stops25h 49m

$2,358

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 12/17

6:00 am-6:50 pm

2 stops21h 50m

Tamuning Guam Intl

Wed 12/31

7:40 am-4:39 pm

2 stops23h 59m

$2,358

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 12/17

6:00 am-6:50 pm

2 stops21h 50m

Tamuning Guam Intl

Tue 1/6

7:40 am-3:13 pm

2 stops22h 33m

$2,358

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 13 results
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 November 3, 2025.
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
8,997 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 24h 50m. United Airlines provides one of the quickest options available for as low as $2,138. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,020Average$2,357FlexibilityNo cancel feeOn-time69%

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