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

For as low as $1,589, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Guam in 28h 28m. The distance between Guam and Washington, D.C. Dulles Intl Airport is about 7899 mi.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from GU to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Guam to Washington, D.C. Dulles Intl Airport as you normally would.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Guam to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,589+ Cheap Flights from Guam to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Guam to Dulles Intl

Most accurate provider	eDreams 3 stars
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Round-trip from	$1,589 (United Airlines)

Provider with most accurate pricing for Tamuning Guam Intl-Washington, D.C. (WAS) flight deals.

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From Guam to Washington, D.C. Dulles Intl

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Cheapest flights from Guam to Dulles Intl
Explore the most affordable flight options available from Guam to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

Sun 12/217:20 pmGUM - IAD

2 stops43h 55mUnited Airlines

Sat 12/275:20 pmIAD - GUM

2 stops58h 40mUnited Airlines

Deal found 11/4

$1,792

Fri 12/197:20 pmGUM - IAD

2 stops43h 55mUnited Airlines

Fri 12/2610:15 pmIAD - GUM

2 stops29h 45mUnited Airlines

Deal found 11/4

$1,881

Sat 12/201:00 amGUM - IAD

2 stops37h 27mDelta

Sat 12/2712:58 pmIAD - GUM

2 stops34h 37mDelta

Deal found 11/2

$11,244

Thu 12/181:00 amGUM - IAD

2 stops38h 12mDelta

Fri 12/266:59 pmIAD - GUM

2 stops37h 06mDelta

Deal found 11/4

$11,305

Best flights from Guam to Dulles Intl
Discover carefully curated flight deals from Guam to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2025.

Wed 2/257:20 amGUM - IAD

2 stops28h 28mUnited Airlines

Sat 3/710:17 pmIAD - GUM

2 stops53h 33mUnited Airlines

Deal found 11/5

$1,589

Tue 2/241:00 amGUM - IAD

2 stops30h 30mDelta

Sat 3/77:30 amIAD - GUM

2 stops24h 35mDelta

Deal found 11/5

$1,642

Wed 4/17:05 amGUM - IAD

2 stops20h 22mUnited Airlines

Sun 4/510:05 pmIAD - GUM

2 stops40h 20mUnited Airlines

Deal found 11/2

$1,631

Sun 12/217:20 pmGUM - IAD

2 stops43h 55mUnited Airlines

Sat 12/275:20 pmIAD - GUM

2 stops58h 40mUnited Airlines

Deal found 11/4

$1,792

Last-minute flights from Guam to Dulles Intl
Discover last-minute flight deals from Guam to Dulles Intl. Data last updated November 5, 2025 and is based on user searches.

Thu 12/181:00 amGUM - IAD

2 stops38h 12mDelta

Fri 12/266:59 pmIAD - GUM

2 stops37h 06mDelta

Deal found 11/4

$11,305

Fri 12/197:20 pmGUM - IAD

1 stop35h 20mUnited Airlines

Fri 12/2610:05 pmIAD - GUM

2 stops29h 55mUnited Airlines

Deal found 11/4

$1,881

Sat 12/201:00 amGUM - IAD

2 stops37h 27mDelta

Sat 12/2712:58 pmIAD - GUM

2 stops34h 37mDelta

Deal found 11/2

$11,244

Sun 12/217:20 pmGUM - IAD

2 stops43h 55mUnited Airlines

Sat 12/275:20 pmIAD - GUM

2 stops58h 40mUnited Airlines

Deal found 11/4

$1,792

One-way flights from Guam to Dulles Intl
Search for one-way flight options from Guam to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated November 5, 2025.

Fri 1/97:20 pmGUM - IAD

1 stop35h 20mUnited Airlines

Deal found 11/3

$1,598

Thu 1/81:00 amGUM - IAD

2 stops53h 40mMultiple Airlines

Deal found 11/3

$3,114

Cheapflights Fare Finder

Use the filters below to find and compare flights from Guam to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Wed 2/25

7:20 am-8:48 pm

2 stops28h 28m

Washington, D.C. Dulles Intl

Sat 3/7

10:17 pm-6:50 pm

2 stops53h 33m

$1,589

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Wed 4/1

7:05 am-1:27 pm

2 stops20h 22m

Washington, D.C. Dulles Intl

Sun 4/5

10:05 pm-4:25 am

2 stops40h 20m

$1,631

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Tue 2/24

1:00 am-4:30 pm

2 stops30h 30m

Washington, D.C. Dulles Intl

Sat 3/7

7:30 am-11:05 pm

2 stops24h 35m

$1,642

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Sun 12/21

7:20 pm-12:15 am

2 stops43h 55m

Washington, D.C. Dulles Intl

Sat 12/27

5:20 pm-7:00 pm

2 stops58h 40m

$1,792

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Fri 1/9

7:20 pm-3:40 pm

1 stop35h 20m

$1,598

TamuningWashington, D.C.

GUM - IAD

GUMIAD

Tamuning Guam Intl

Thu 1/8

1:00 am-3:40 pm

2 stops53h 40m

$3,114

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Best time to book a flight from Guam to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Guam 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 Guam to Washington, D.C. Dulles Intl Airport

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with United Airlines from Guam to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,002 reviews

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

9,002 reviews

United Airlines

7.4

Good

9,002 reviews

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

How long is the flight from Guam to Washington, D.C. Dulles Intl Airport?
For as low as $1,589, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Guam in 28h 28m. The distance between Guam and Washington, D.C. Dulles Intl Airport is about 7899 mi.
Can I find deals for flights from Guam to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Guam to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Guam to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guam to Dulles Intl.
Can I find deals for business class flights from Guam to Dulles Intl?
Yes. Cheapflights offers flight deals from Guam to Dulles Intl 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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Top airline flying from Guam to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,676	Average$2,167	FlexibilityNo cancel fee	On-time69%

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$1,589+ Cheap flights from Guam to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Guam to Dulles Intl with Cheapflights

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3. Compare prices and book

Cheap flight deals from Guam to Dulles Intl

Keep the following information in mind while searching for Guam to Dulles Intl flight deals. Data was last updated November 5, 2025.

Most accurate provider

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Round-trip from

Find flight deals from Guam to Dulles Intl

Cheapest flights from Guam to Dulles IntlExplore the most affordable flight options available from Guam to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

Explore the most affordable flight options available from Guam to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Guam to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Guam to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Guam with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Guam to Washington, D.C. Dulles Intl Airport

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with United Airlines from Guam to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Guam to Dulles Intl. 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 Guam to Washington, D.C. Dulles Intl Airport?

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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.

Alternative routes for Guam to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Guam to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Guam to Dulles Intl
Explore the most affordable flight options available from Guam to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.