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 36h 33m. The time it takes to get you to your destination can typically vary by up to 6h 13m. 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.

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 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.

$712+ Flights from Washington, D.C. to Guam

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Cheap 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 December 16, 2025.

Mon 12/1510:08 pmIAD - GUM

2 stops29h 42mUnited Airlines

Sat 12/207:40 amGUM - IAD

2 stops26h 10mUnited Airlines

Deal found 12/14

$2,978

Sat 12/206:00 amDCA - GUM

2 stops22h 00mUnited Airlines

Mon 12/227:20 pmGUM - DCA

2 stops40h 39mUnited Airlines

Deal found 12/16

$3,501

Sat 12/206:00 amBWI - GUM

2 stops22h 00mUnited Airlines

Mon 12/227:40 amGUM - BWI

2 stops23h 38mUnited Airlines

Deal found 12/16

$3,678

Fri 12/198:15 amIAD - GUM

1 stop19h 45mUnited Airlines

Mon 12/297:40 amGUM - IAD

2 stops28h 45mUnited Airlines

Deal found 12/15

$4,117

Sat 12/208:15 amIAD - GUM

1 stop19h 45mUnited Airlines

Mon 12/227:20 pmGUM - IAD

1 stop35h 20mUnited Airlines

Deal found 12/16

$4,312

Fri 12/193:38 pmIAD - GUM

2 stops40h 27mDelta

Sun 12/281:00 amGUM - IAD

2 stops37h 27mDelta

Deal found 12/15

$17,513

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 December 16, 2025.

Mon 1/126:34 pmBWI - GUM

2 stops42h 46mUnited Airlines

Thu 1/157:40 amGUM - BWI

2 stops23h 26mUnited Airlines

Deal found 12/15

$1,101

Tue 2/177:32 pmIAD - GUM

2 stops36h 33mDelta

Wed 2/251:00 amGUM - IAD

2 stops38h 24mDelta

Deal found 12/16

$1,933

Sun 4/1910:05 pmIAD - GUM

2 stops30h 00mUnited Airlines

Thu 4/307:05 amGUM - IAD

2 stops25h 20mUnited Airlines

Deal found 12/16

$1,918

Mon 5/47:15 amIAD - GUM

2 stops42h 00mDelta

Wed 5/135:00 pmGUM - IAD

2 stops54h 10mDelta

Deal found 12/15

$1,933

Thu 3/126:20 amBWI - GUM

2 stops22h 30mUnited Airlines

Thu 3/197:25 amGUM - BWI

3 stops28h 17mUnited Airlines

Deal found 12/15

$1,918

Thu 3/127:00 amIAD - GUM

2 stops26h 05mDelta

Wed 3/181:00 amGUM - IAD

2 stops46h 08mDelta

Deal found 12/15

$1,933

Sun 4/196:18 pmBWI - GUM

2 stops33h 47mUnited Airlines

Thu 4/307:05 amGUM - BWI

3 stops24h 08mUnited Airlines

Deal found 12/16

$1,918

Tue 2/177:30 pmDCA - GUM

2 stops36h 35mDelta

Wed 2/251:00 amGUM - DCA

2 stops36h 33mDelta

Deal found 12/16

$1,933

Mon 3/97:30 amDCA - GUM

2 stops21h 20mUnited Airlines

Tue 3/177:25 amGUM - DCA

2 stops25h 21mUnited Airlines

Deal found 12/16

$1,918

Mon 1/197:05 amIAD - GUM

2 stops25h 00mDelta

Mon 2/21:00 amGUM - IAD

2 stops37h 57mDelta

Deal found 12/15

$2,078

Sun 4/197:59 pmDCA - GUM

2 stops32h 06mUnited Airlines

Thu 4/307:05 amGUM - DCA

2 stops23h 51mUnited Airlines

Deal found 12/16

$1,918

Mon 1/197:00 amBWI - GUM

2 stops25h 05mDelta

Mon 2/21:00 amGUM - BWI

2 stops36h 02mDelta

Deal found 12/15

$2,098

Mon 5/47:50 pmDCA - GUM

2 stops32h 15mUnited Airlines

Wed 5/137:05 amGUM - DCA

2 stops21h 51mUnited Airlines

Deal found 12/15

$1,918

Tue 2/1712:20 pmIAD - GUM

1 stop25h 00mUnited Airlines

Thu 2/267:40 amGUM - IAD

1 stop38h 36mUnited Airlines

Deal found 12/16

$1,973

Thu 1/156:05 amDCA - GUM

2 stops26h 00mDelta

Wed 1/211:00 amGUM - DCA

2 stops36h 00mDelta

Deal found 12/16

$2,203

Sun 5/3110:06 pmIAD - GUM

2 stops29h 59mUnited Airlines

Sat 6/277:30 pmGUM - IAD

1 stop34h 20mUnited Airlines

Deal found 12/16

$2,091

Mon 1/196:00 amDCA - GUM

2 stops26h 05mDelta

Sat 1/311:00 amGUM - DCA

2 stops26h 00mDelta

Deal found 12/16

$2,428

Sun 5/316:30 amDCA - GUM

2 stops21h 35mUnited Airlines

Sat 6/271:00 pmGUM - DCA

2 stops21h 38mUnited Airlines

Deal found 12/16

$2,141

Sun 5/316:17 amBWI - GUM

2 stops21h 48mUnited Airlines

Sat 6/2712:15 pmGUM - BWI

2 stops24h 45mUnited Airlines

Deal found 12/16

$2,206

Mon 1/198:15 amIAD - GUM

1 stop19h 50mUnited Airlines

Sun 2/17:20 pmGUM - IAD

1 stop35h 20mUnited Airlines

Deal found 12/16

$2,239

Fri 3/66:00 amDCA - GUM

2 stops22h 05mUnited Airlines

Sun 3/87:20 pmGUM - DCA

2 stops41h 32mUnited Airlines

Deal found 12/15

$2,301

Fri 1/306:00 amDCA - GUM

2 stops22h 05mUnited Airlines

Fri 2/67:40 amGUM - DCA

3 stops29h 57mUnited Airlines

Deal found 12/16

$2,328

Wed 5/208:20 amDCA - GUM

2 stops30h 00mUnited Airlines

Sun 5/317:05 amGUM - DCA

2 stops23h 51mUnited Airlines

Deal found 12/15

$3,511

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

Sat 12/206:00 amDCA - GUM

2 stops22h 00mUnited Airlines

Mon 12/227:20 pmGUM - DCA

2 stops40h 39mUnited Airlines

Deal found 12/16

$3,501

Mon 1/126:34 pmBWI - GUM

2 stops42h 46mUnited Airlines

Thu 1/157:40 amGUM - BWI

2 stops23h 26mUnited Airlines

Deal found 12/15

$1,101

Mon 1/127:30 amIAD - GUM

2 stops24h 35mDelta

Wed 1/141:00 amGUM - IAD

2 stops37h 10mDelta

Deal found 12/15

$2,798

Thu 1/156:05 amDCA - GUM

2 stops26h 00mDelta

Wed 1/211:00 amGUM - DCA

2 stops36h 00mDelta

Deal found 12/16

$2,203

Mon 1/197:05 amIAD - GUM

2 stops25h 00mDelta

Mon 2/21:00 amGUM - IAD

2 stops37h 57mDelta

Deal found 12/15

$2,078

Mon 1/197:00 amBWI - GUM

2 stops25h 05mDelta

Mon 2/21:00 amGUM - BWI

2 stops36h 02mDelta

Deal found 12/15

$2,098

Mon 1/198:15 amIAD - GUM

1 stop19h 50mUnited Airlines

Sun 2/17:20 pmGUM - IAD

1 stop35h 20mUnited Airlines

Deal found 12/16

$2,239

Mon 1/196:34 pmBWI - GUM

2 stops33h 31mUnited Airlines

Tue 2/37:20 pmGUM - BWI

3 stops42h 05mUnited Airlines

Deal found 12/15

$2,251

Mon 1/197:30 amIAD - GUM

2 stops24h 35mDelta

Sat 1/311:00 amGUM - IAD

2 stops30h 46mDelta

Deal found 12/16

$2,428

Mon 1/196:00 amDCA - GUM

2 stops26h 05mDelta

Sat 1/311:00 amGUM - DCA

2 stops26h 00mDelta

Deal found 12/16

$2,428

Fri 1/306:05 amDCA - GUM

2 stops41h 30mDelta

Thu 2/51:00 amGUM - DCA

2 stops36h 33mDelta

Deal found 12/16

$2,178

Fri 1/306:00 amDCA - GUM

2 stops22h 05mUnited Airlines

Fri 2/67:40 amGUM - DCA

3 stops29h 57mUnited Airlines

Deal found 12/16

$2,328

One-way flights from Washington, D.C. to Guam
Search for one-way flight options from Washington, D.C. to Guam. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Tue 2/177:05 amIAD - GUM

3 stops53h 20mMultiple Airlines

Deal found 12/16

$712

Tue 2/178:00 amDCA - GUM

3 stops52h 25mMultiple Airlines

Deal found 12/16

$741

Mon 2/167:05 amIAD - GUM

3 stops53h 55mMultiple Airlines

Deal found 12/16

$866

Thu 1/157:00 amIAD - GUM

2 stops25h 05mDelta

Deal found 12/14

$1,537

Thu 1/157:30 pmDCA - GUM

2 stops36h 35mDelta

Deal found 12/14

$1,537

Thu 1/156:00 amBWI - GUM

2 stops26h 05mDelta

Deal found 12/14

$1,547

Thu 1/158:15 amIAD - GUM

1 stop19h 50mUnited Airlines

Deal found 12/14

$1,711

Mon 2/167:59 pmDCA - GUM

2 stops32h 06mUnited Airlines

Deal found 12/16

$1,711

Mon 2/166:25 pmBWI - GUM

2 stops33h 40mUnited Airlines

Deal found 12/16

$1,721

Tue 2/1712:20 pmIAD - GUM

1 stop25h 00mUnited Airlines

Deal found 12/16

$1,723

Mon 2/168:15 amIAD - GUM

1 stop19h 50mUnited Airlines

Deal found 12/16

$2,211

Tue 2/178:00 amBWI - GUM

3 stops30h 10mUnited Airlines

Deal found 12/16

$11,164

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

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,101 (United Airlines)
One-way from	$712 (Kiwi.com)
Popular in	April
Cheapest in	February
Average price	$2,696

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. (WAS) to Guam

Search Deals

One-way flight from Washington, D.C. (WAS) to Guam

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($427 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($110 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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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

Mon 1/12

6:34 pm-4:20 am

2 stops42h 46m

Tamuning Guam Intl

Thu 1/15

7:40 am-4:06 pm

2 stops23h 26m

$1,101

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Sun 4/19

10:05 pm-6:05 pm

2 stops30h 00m

Tamuning Guam Intl

Thu 4/30

7:05 am-6:25 pm

2 stops25h 20m

$1,918

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Thu 3/12

6:20 am-6:50 pm

2 stops22h 30m

Tamuning Guam Intl

Thu 3/19

7:25 am-9:42 pm

3 stops28h 17m

$1,918

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Sun 4/19

6:18 pm-6:05 pm

2 stops33h 47m

Tamuning Guam Intl

Thu 4/30

7:05 am-5:13 pm

3 stops24h 08m

$1,918

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Mon 3/9

7:30 am-6:50 pm

2 stops21h 20m

Tamuning Guam Intl

Tue 3/17

7:25 am-6:46 pm

2 stops25h 21m

$1,918

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Sun 4/19

7:59 pm-6:05 pm

2 stops32h 06m

Tamuning Guam Intl

Thu 4/30

7:05 am-4:56 pm

2 stops23h 51m

$1,918

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Mon 5/4

7:50 pm-6:05 pm

2 stops32h 15m

Tamuning Guam Intl

Wed 5/13

7:05 am-2:56 pm

2 stops21h 51m

$1,918

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 2/17

7:32 pm-11:05 pm

2 stops36h 33m

Tamuning Guam Intl

Wed 2/25

1:00 am-12:24 am

2 stops38h 24m

$1,933

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 5/4

7:15 am-3:15 pm

2 stops42h 00m

Tamuning Guam Intl

Wed 5/13

5:00 pm-9:10 am

2 stops54h 10m

$1,933

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Thu 3/12

7:00 am-11:05 pm

2 stops26h 05m

Tamuning Guam Intl

Wed 3/18

1:00 am-9:08 am

2 stops46h 08m

$1,933

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 36 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.

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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

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,092 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 36h 33m. The time it takes to get you to your destination can typically vary by up to 6h 13m. 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.

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,944	Average$2,330	FlexibilityNo cancel fee	On-time69%

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$712+ Cheap flights from Washington, D.C. (WAS) 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap 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 December 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 December 16, 2025.

Find 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 December 16, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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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 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 December 16, 2025.

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Guam

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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 December 16, 2025.