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

Airlines like United Airlines and Delta fly from Washington, D.C. to Guam in about 24h 50m. The time it takes to get you to your destination can typically vary by up to 39h 20m. Washington, D.C. and Guam are separated by a distance of 7899 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest month to book a flight from Washington, D.C. to Guam?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Guam (average of $1,977). Flying from Washington, D.C. to Guam in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Guam ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Guam when rainfall is around 2.6 in.

If weather is an important factor for your trip to Guam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

What are the most popular routes from Washington, D.C. to Guam?

Most travelers choose Washington, D.C. Dulles Intl - Tamuning Guam Intl, Baltimore/Washington - Tamuning Guam Intl or Washington, D.C. Reagan-National - Tamuning Guam Intl when deciding on the best route from Washington, D.C. to Guam.

What is the cheapest month to fly from Washington, D.C. to Guam?

Our data shows that February tends to be the cheapest month to fly to Guam from Washington, D.C.. Users have commonly found prices around $2,235 for the month, but tickets can be as low as $1,214. Due to multiple factors, prepare for potentially higher prices in September.

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

When flying from Washington, D.C. to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Washington, D.C. to Guam that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Guam?

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

Can I find deals for business class flights from Washington, D.C. to Guam?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$1,251+ Flights from Washington, D.C. to Guam

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Cheap flight deals from Washington, D.C. to Guam

Round-trip from	$1,917 (United Airlines)
Popular in	September
Cheapest in	February
Average price	$2,995

From Washington, D.C. (WAS) to Guam

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($70 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

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Find flight deals from Washington, D.C. to Guam

Cheapest flights from Washington, D.C. to Guam
Explore the most affordable flight options available from Washington, D.C. to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Sat 11/158:30 amBWI - GUM

2 stops64h 10mUnited Airlines

Wed 11/197:40 amGUM - BWI

3 stops30h 01mUnited Airlines

Deal found 9/15

$1,251

Tue 11/117:15 amIAD - GUM

2 stops24h 50mDelta

Wed 11/194:50 pmGUM - IAD

2 stops43h 42mDelta

Deal found 9/15

$2,078

Tue 11/116:06 amDCA - GUM

2 stops41h 29mDelta

Wed 11/194:50 pmGUM - DCA

2 stops44h 18mDelta

Deal found 9/15

$2,078

Tue 11/116:00 amBWI - GUM

2 stops26h 05mDelta

Tue 11/181:00 amGUM - BWI

2 stops38h 28mDelta

Deal found 9/15

$2,098

Wed 10/157:35 amIAD - GUM

2 stops41h 40mDelta

Tue 10/211:55 amGUM - IAD

2 stops36h 45mDelta

Deal found 9/15

$2,211

Sun 12/710:10 pmIAD - GUM

2 stops29h 40mUnited Airlines

Thu 12/117:40 amGUM - IAD

2 stops30h 35mUnited Airlines

Deal found 9/14

$2,227

Tue 11/116:00 amBWI - GUM

2 stops21h 50mUnited Airlines

Wed 11/197:40 amGUM - BWI

3 stops30h 01mUnited Airlines

Deal found 9/15

$2,227

Sun 12/77:59 pmDCA - GUM

2 stops31h 51mUnited Airlines

Thu 12/117:40 amGUM - DCA

2 stops24h 09mUnited Airlines

Deal found 9/14

$2,227

Wed 10/1512:25 pmIAD - GUM

1 stop26h 00mUnited Airlines

Wed 10/227:10 amGUM - IAD

2 stops20h 18mUnited Airlines

Deal found 9/15

$2,247

Tue 11/1112:20 pmIAD - GUM

1 stop25h 00mUnited Airlines

Wed 11/197:40 amGUM - IAD

2 stops23h 50mUnited Airlines

Deal found 9/15

$2,252

Wed 10/156:29 amBWI - GUM

2 stops21h 36mUnited Airlines

Sun 10/197:10 amGUM - BWI

2 stops26h 17mUnited Airlines

Deal found 9/15

$2,277

Sun 12/77:15 amIAD - GUM

2 stops24h 50mDelta

Wed 12/101:00 amGUM - IAD

2 stops35h 30mDelta

Deal found 9/14

$2,328

Best flights from Washington, D.C. to Guam
Discover carefully curated flight deals from Washington, D.C. to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Sat 11/158:30 amBWI - GUM

2 stops64h 10mUnited Airlines

Wed 11/197:40 amGUM - BWI

2 stops30h 01mUnited Airlines

Deal found 9/15

$1,251

Wed 1/146:19 amBWI - GUM

2 stops25h 46mDelta

Wed 1/281:00 amGUM - BWI

2 stops35h 56mDelta

Deal found 9/15

$2,003

Thu 3/126:17 amBWI - GUM

2 stops22h 33mUnited Airlines

Thu 3/197:25 amGUM - BWI

2 stops24h 07mUnited Airlines

Deal found 9/14

$1,917

Tue 11/117:15 amIAD - GUM

2 stops24h 50mDelta

Wed 11/194:50 pmGUM - IAD

2 stops43h 42mDelta

Deal found 9/15

$2,078

Wed 1/146:34 pmBWI - GUM

2 stops33h 31mUnited Airlines

Thu 1/297:40 amGUM - BWI

2 stops23h 26mUnited Airlines

Deal found 9/15

$1,967

Tue 11/116:10 amDCA - GUM

2 stops25h 55mDelta

Tue 11/181:00 amGUM - DCA

2 stops37h 31mDelta

Deal found 9/15

$2,078

Thu 3/126:19 amBWI - GUM

2 stops26h 46mDelta

Wed 3/181:00 amGUM - BWI

2 stops34h 56mDelta

Deal found 9/14

$2,091

Sun 12/710:10 pmIAD - GUM

2 stops29h 40mUnited Airlines

Thu 12/117:40 amGUM - IAD

2 stops30h 35mUnited Airlines

Deal found 9/14

$2,227

Tue 11/116:00 amBWI - GUM

2 stops26h 05mDelta

Wed 11/194:50 pmGUM - BWI

2 stops38h 59mDelta

Deal found 9/15

$2,098

Sun 12/77:59 pmDCA - GUM

2 stops31h 51mUnited Airlines

Thu 12/117:40 amGUM - DCA

2 stops28h 56mUnited Airlines

Deal found 9/13

$2,227

Wed 10/157:35 amIAD - GUM

2 stops41h 40mDelta

Tue 10/211:55 amGUM - IAD

2 stops36h 45mDelta

Deal found 9/15

$2,211

Tue 11/1112:20 pmIAD - GUM

1 stop25h 00mUnited Airlines

Wed 11/197:40 amGUM - IAD

2 stops23h 50mUnited Airlines

Deal found 9/15

$2,252

Last-minute flights from Washington, D.C. to Guam
Discover last-minute flight deals from Washington, D.C. to Guam. Data last updated September 16, 2025 and is based on user searches.

Sun 9/216:15 amIAD - GUM

2 stops27h 55mDelta

Wed 9/245:00 pmGUM - IAD

2 stops42h 39mDelta

Deal found 9/15

$2,345

Fri 9/267:05 amIAD - GUM

2 stops27h 05mDelta

Sun 10/125:00 pmGUM - IAD

2 stops45h 40mDelta

Deal found 9/15

$2,595

Fri 9/268:40 pmDCA - GUM

2 stops37h 30mDelta

Sun 10/125:00 pmGUM - DCA

2 stops41h 33mDelta

Deal found 9/15

$2,595

Fri 10/106:10 amDCA - GUM

2 stops28h 00mDelta

Sun 11/24:50 pmGUM - DCA

2 stops44h 50mDelta

Deal found 9/15

$2,428

Fri 10/106:18 amIAD - GUM

2 stops27h 52mDelta

Sun 11/24:50 pmGUM - IAD

2 stops45h 10mDelta

Deal found 9/15

$2,444

Fri 10/106:00 amBWI - GUM

2 stops28h 10mDelta

Sun 11/24:50 pmGUM - BWI

2 stops45h 12mDelta

Deal found 9/16

$2,465

Fri 10/106:01 amIAD - GUM

2 stops22h 04mUnited Airlines

Sun 11/27:20 pmGUM - IAD

1 stop35h 20mUnited Airlines

Deal found 9/15

$2,502

Fri 10/106:29 amBWI - GUM

2 stops21h 36mUnited Airlines

Sun 11/27:20 pmGUM - BWI

2 stops41h 04mUnited Airlines

Deal found 9/15

$2,502

Wed 10/157:35 amIAD - GUM

2 stops41h 40mDelta

Tue 10/211:55 amGUM - IAD

2 stops36h 45mDelta

Deal found 9/15

$2,211

Wed 10/1512:25 pmIAD - GUM

1 stop26h 00mUnited Airlines

Wed 10/227:10 amGUM - IAD

2 stops20h 18mUnited Airlines

Deal found 9/15

$2,247

Wed 10/156:29 amBWI - GUM

2 stops21h 36mUnited Airlines

Sun 10/197:10 amGUM - BWI

2 stops26h 17mUnited Airlines

Deal found 9/15

$2,277

Wed 10/156:00 amBWI - GUM

2 stops28h 10mDelta

Sat 10/181:55 amGUM - BWI

2 stops28h 59mDelta

Deal found 9/15

$2,748

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Sat 11/15

8:30 am-3:40 pm

2 stops64h 10m

Tamuning Guam Intl

Wed 11/19

7:40 am-10:41 pm

2 stops30h 01m

$1,251

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Thu 3/12

6:17 am-6:50 pm

2 stops22h 33m

Tamuning Guam Intl

Thu 3/19

7:25 am-5:32 pm

2 stops24h 07m

$1,917

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Wed 1/14

6:34 pm-7:05 pm

2 stops33h 31m

Tamuning Guam Intl

Thu 1/29

7:40 am-4:06 pm

2 stops23h 26m

$1,967

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Wed 1/14

6:19 am-11:05 pm

2 stops25h 46m

Tamuning Guam Intl

Wed 1/28

1:00 am-9:56 pm

2 stops35h 56m

$2,003

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 11/11

7:15 am-11:05 pm

2 stops24h 50m

Tamuning Guam Intl

Wed 11/19

4:50 pm-9:32 pm

2 stops43h 42m

$2,078

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 11/11

6:10 am-11:05 pm

2 stops25h 55m

Tamuning Guam Intl

Tue 11/18

1:00 am-11:31 pm

2 stops37h 31m

$2,078

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Thu 3/12

6:19 am-11:05 pm

2 stops26h 46m

Tamuning Guam Intl

Wed 3/18

1:00 am-9:56 pm

2 stops34h 56m

$2,091

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Tue 11/11

6:00 am-11:05 pm

2 stops26h 05m

Tamuning Guam Intl

Wed 11/19

4:50 pm-4:49 pm

2 stops38h 59m

$2,098

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 10/15

7:35 am-3:15 pm

2 stops41h 40m

Tamuning Guam Intl

Tue 10/21

1:55 am-12:40 am

2 stops36h 45m

$2,211

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 12/7

10:10 pm-6:50 pm

2 stops29h 40m

Tamuning Guam Intl

Thu 12/11

7:40 am-11:15 pm

2 stops30h 35m

$2,227

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 results

Best time to book a flight from Washington, D.C. to Guam

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

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

Reviews of airlines servicing Guam

Get a feel of what it's like to fly with United Airlines from Washington, D.C. to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,929 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,929 reviews

United Airlines

7.4

Good

8,929 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

How long is the flight from Washington, D.C. to Guam?
Airlines like United Airlines and Delta fly from Washington, D.C. to Guam in about 24h 50m. The time it takes to get you to your destination can typically vary by up to 39h 20m. Washington, D.C. and Guam are separated by a distance of 7899 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the most popular routes from Washington, D.C. to Guam?
Most travelers choose Washington, D.C. Dulles Intl - Tamuning Guam Intl, Baltimore/Washington - Tamuning Guam Intl or Washington, D.C. Reagan-National - Tamuning Guam Intl when deciding on the best route from Washington, D.C. to Guam.
Can I find deals for flights from Washington, D.C. to Guam that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Guam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Guam.
Can I find deals for business class flights from Washington, D.C. to Guam?
Yes. Cheapflights offers flight deals from Washington, D.C. 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.
What is the cheapest month to book a flight from Washington, D.C. to Guam?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Guam (average of $1,977). Flying from Washington, D.C. to Guam in May is currently the most expensive (average of $2,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Washington, D.C. to Guam

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$2,010	Average$2,333	FlexibilityNo cancel fee	On-time69%

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$1,251+ Cheap flights from Washington, D.C. (WAS) to Guam

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Guam with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Washington, D.C. to Guam

Keep the following information in mind while searching for Washington, D.C. to Guam flight deals. Data was last updated September 16, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Guam

Cheapest flights from Washington, D.C. to GuamExplore the most affordable flight options available from Washington, D.C. to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Explore the most affordable flight options available from Washington, D.C. to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington, D.C. to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Washington, D.C. with our price prediction graph.

Cheapflights Insights

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

Reviews of airlines servicing Guam

Get a feel of what it's like to fly with United Airlines from Washington, D.C. to Guam by reading reviews from past customers. Users have also rated airlines 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 Washington, D.C. 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. to Guam?

What are the most popular routes from Washington, D.C. to Guam?

Can I find deals for flights from Washington, D.C. to Guam that include hotel bookings?

How can I find direct flights from Washington, D.C. to Guam?

Can I find deals for business class flights from Washington, D.C. to Guam?

What is the cheapest month to book a flight from Washington, D.C. to Guam?

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 Washington, D.C. to Guam

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

Top airline flying from Washington, D.C. to Guam

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Cheapest flights from Washington, D.C. to Guam
Explore the most affordable flight options available from Washington, D.C. to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.