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 $2,259 for the month, but tickets can be as low as $1,214. Due to multiple factors, prepare for potentially higher prices in August.

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.

$2,005+ Flights from Washington, D.C. to Guam

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$2,017 (United)
One-way from	$1,537 (Delta)
Popular in	August
Cheapest in	February
Average price	$2,554

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

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

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($124 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($34 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 28, 2025.

Thu 4/36:36 amBWI - GUM

2 stops43h 04mUnited Airlines

Sun 4/67:00 amGUM - BWI

2 stops30h 30mUnited Airlines

Deal found 3/26

$1,417

Sun 10/1210:07 pmIAD - GUM

2 stops29h 58mUnited Airlines

Sun 10/197:05 pmGUM - IAD

1 stop34h 30mUnited Airlines

Deal found 3/28

$1,941

Tue 6/34:45 pmDCA - GUM

3 stops35h 20mUnited Airlines

Mon 6/237:00 amGUM - DCA

2 stops30h 59mUnited Airlines

Deal found 3/27

$2,017

Sun 11/25:15 amIAD - GUM

2 stops41h 20mDelta

Sat 11/84:50 pmGUM - IAD

2 stops38h 39mDelta

Deal found 3/27

$2,032

Sun 11/28:30 pmDCA - GUM

2 stops27h 05mDelta

Sat 11/84:50 pmGUM - DCA

2 stops45h 35mDelta

Deal found 3/27

$2,032

Wed 4/167:00 amBWI - GUM

2 stops42h 15mDelta

Wed 4/235:00 pmGUM - BWI

2 stops45h 41mDelta

Deal found 3/27

$2,097

Sun 11/24:07 pmDCA - GUM

3 stops35h 43mMultiple Airlines

Sat 11/87:25 amGUM - DCA

2 stops28h 48mMultiple Airlines

Deal found 3/27

$2,853

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 March 28, 2025.

Tue 6/38:10 pmIAD - GUM

2 stops31h 55mUnited Airlines

Mon 6/237:00 amGUM - IAD

2 stops28h 07mUnited Airlines

Deal found 3/27

$2,017

Wed 4/166:00 amIAD - GUM

2 stops43h 15mDelta

Wed 4/235:00 pmGUM - IAD

2 stops42h 23mDelta

Deal found 3/27

$2,077

Tue 6/37:00 pmBWI - GUM

2 stops33h 05mUnited Airlines

Mon 6/237:00 amGUM - BWI

2 stops29h 30mUnited Airlines

Deal found 3/27

$2,017

Wed 4/167:00 amBWI - GUM

2 stops42h 15mDelta

Wed 4/235:00 pmGUM - BWI

2 stops45h 41mDelta

Deal found 3/27

$2,097

Tue 6/34:45 pmDCA - GUM

3 stops35h 20mUnited Airlines

Mon 6/237:00 amGUM - DCA

2 stops30h 59mUnited Airlines

Deal found 3/27

$2,017

Thu 4/171:59 pmDCA - GUM

2 stops35h 16mDelta

Fri 4/255:00 pmGUM - DCA

2 stops43h 22mDelta

Deal found 3/26

$2,127

Last-minute flights from Washington, D.C. to Guam
Discover last-minute flight deals from Washington, D.C. to Guam. Data last updated March 28, 2025 and is based on user searches.

Sun 3/306:00 amDCA - GUM

2 stops22h 15mUnited Airlines

Tue 4/17:00 pmGUM - DCA

2 stops41h 35mUnited Airlines

Deal found 3/26

$2,901

Thu 4/36:36 amBWI - GUM

2 stops43h 04mUnited Airlines

Sun 4/67:00 amGUM - BWI

2 stops30h 30mUnited Airlines

Deal found 3/26

$1,417

Thu 4/36:30 amIAD - GUM

2 stops43h 10mUnited Airlines

Sun 4/67:00 amGUM - IAD

2 stops21h 26mUnited Airlines

Deal found 3/26

$2,723

Wed 4/166:00 amIAD - GUM

2 stops43h 15mDelta

Wed 4/235:00 pmGUM - IAD

2 stops42h 23mDelta

Deal found 3/27

$2,077

Wed 4/167:00 amBWI - GUM

2 stops42h 15mDelta

Wed 4/235:00 pmGUM - BWI

2 stops45h 41mDelta

Deal found 3/27

$2,097

Thu 4/171:59 pmDCA - GUM

2 stops35h 16mDelta

Fri 4/255:00 pmGUM - DCA

2 stops43h 22mDelta

Deal found 3/26

$2,127

Fri 4/2512:10 pmIAD - GUM

1 stop26h 15mUnited Airlines

Fri 5/27:00 amGUM - IAD

2 stops23h 22mUnited Airlines

Deal found 3/26

$2,347

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 March 28, 2025.

Fri 4/41:48 pmIAD - GUM

2 stops35h 27mDelta

Deal found 3/27

$1,537

Sat 6/77:50 amDCA - GUM

2 stops41h 25mDelta

Deal found 3/27

$1,612

Fri 5/306:15 amBWI - GUM

2 stops43h 00mDelta

Deal found 3/27

$1,622

Mon 6/2312:20 pmIAD - GUM

1 stop26h 00mUnited Airlines

Deal found 3/27

$1,724

Sat 6/76:50 amBWI - GUM

3 stops24h 55mUnited Airlines

Deal found 3/27

$1,841

Sat 6/73:59 pmDCA - GUM

3 stops36h 06mMultiple Airlines

Deal found 3/27

$2,666

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

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Tue 6/3

8:10 pm-6:05 pm

2 stops31h 55m

Tamuning Guam Intl

Mon 6/23

7:00 am-9:07 pm

2 stops28h 07m

$2,017

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Tue 6/3

7:00 pm-6:05 pm

2 stops33h 05m

Tamuning Guam Intl

Mon 6/23

7:00 am-10:30 pm

2 stops29h 30m

$2,017

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Tue 6/3

4:45 pm-6:05 pm

3 stops35h 20m

Tamuning Guam Intl

Mon 6/23

7:00 am-11:59 pm

2 stops30h 59m

$2,017

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Wed 4/16

6:00 am-3:15 pm

2 stops43h 15m

Tamuning Guam Intl

Wed 4/23

5:00 pm-9:23 pm

2 stops42h 23m

$2,077

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Wed 4/16

7:00 am-3:15 pm

2 stops42h 15m

Tamuning Guam Intl

Wed 4/23

5:00 pm-12:41 am

2 stops45h 41m

$2,097

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Thu 4/17

1:59 pm-3:15 pm

2 stops35h 16m

Tamuning Guam Intl

Fri 4/25

5:00 pm-10:22 pm

2 stops43h 22m

$2,127

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Fri 4/4

1:48 pm-3:15 pm

2 stops35h 27m

$1,537

Washington, D.C.Tamuning

DCA - GUM

DCAGUM

Washington, D.C. Reagan-National

Sat 6/7

7:50 am-3:15 pm

2 stops41h 25m

$1,612

BaltimoreTamuning

BWI - GUM

BWIGUM

Baltimore/Washington

Fri 5/30

6:15 am-3:15 pm

2 stops43h 00m

$1,622

Washington, D.C.Tamuning

IAD - GUM

IADGUM

Washington, D.C. Dulles Intl

Mon 6/23

12:20 pm-4:20 am

1 stop26h 00m

$1,724

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 12 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

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.

Rainfall in Guam by month

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.

Temperature in Guam by month

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).

Reviews of airlines servicing Guam

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

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,897 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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$1,916	Average$2,293	FlexibilityNo cancel fee	On-time69%

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$1,417+ 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 4/3. 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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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 March 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way 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 March 28, 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 March 28, 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

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

Rainfall in Guam by month

Plan your trip to Guam by taking into account the average rainfall totals by month.

Temperature in Guam by month

Plan your trip to Guam by taking into account the average temperature totals by month.

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 March 28, 2025.

Get a feel of what it's like to fly with Delta and United Airlines from Washington, D.C. to Guam by reading reviews from past customers. In addition to providing an overall rating, 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.

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 March 28, 2025.