$1,538 Cheap Flights from Washington (DCA) to Guam (GUM)

View $1,538 flight on Mon, Mar 23, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Barrigada - A.B. Won Pat International Airport (GUM)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to Guam (DCA-GUM)

Prices were available within the past 7 days and start at $1,538 for one-way flights and $1,919 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Apr 28 - Mon, May 11
DCA
Washington
GUM
Guam
$1,919 Roundtrip, found 5 days ago
$1,919
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 28 from Washington to Guam, returning Mon, May 11, priced at $1,919 found 5 days ago
Delta
Mon, Nov 2 - Tue, Nov 10
DCA
Washington
GUM
Guam
$1,934 Roundtrip, found 2 days ago
$1,934
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 2 from Washington to Guam, returning Tue, Nov 10, priced at $1,934 found 2 days ago
Delta
Mon, Nov 2 - Tue, Nov 10
DCA
Washington
GUM
Guam
$1,943 Roundtrip, found 2 days ago
$1,943
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 2 from Washington to Guam, returning Tue, Nov 10, priced at $1,943 found 2 days ago
United
Sat, May 16 - Thu, May 28
DCA
Washington
GUM
Guam
$1,966 Roundtrip, found 6 hours ago
$1,966
Roundtrip
found 6 hours ago
Select United flight, departing Sat, May 16 from Washington to Guam, returning Thu, May 28, priced at $1,966 found 6 hours ago
United
Wed, Nov 25 - Fri, Dec 4
DCA
Washington
GUM
Guam
$1,969 Roundtrip, found 1 day ago
$1,969
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 25 from Washington to Guam, returning Fri, Dec 4, priced at $1,969 found 1 day ago
Delta
Wed, Nov 25 - Fri, Dec 4
DCA
Washington
GUM
Guam
$1,977 Roundtrip, found 1 day ago
$1,977
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Nov 25 from Washington to Guam, returning Fri, Dec 4, priced at $1,977 found 1 day ago
United
Sat, May 16 - Thu, May 28
DCA
Washington
GUM
Guam
$1,984 Roundtrip, found 6 hours ago
$1,984
Roundtrip
found 6 hours ago
Select United flight, departing Sat, May 16 from Washington to Guam, returning Thu, May 28, priced at $1,984 found 6 hours ago
Delta
Tue, Apr 28 - Sat, May 16
DCA
Washington
GUM
Guam
$1,984 Roundtrip, found 5 days ago
$1,984
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Apr 28 from Washington to Guam, returning Sat, May 16, priced at $1,984 found 5 days ago
Delta
Sat, May 16 - Thu, May 28
DCA
Washington
GUM
Guam
$1,985 Roundtrip, found 6 hours ago
$1,985
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, May 16 from Washington to Guam, returning Thu, May 28, priced at $1,985 found 6 hours ago
United
Sat, May 16 - Thu, May 28
DCA
Washington
GUM
Guam
$1,986 Roundtrip, found 6 hours ago
$1,986
Roundtrip
found 6 hours ago
Select United flight, departing Sat, May 16 from Washington to Guam, returning Thu, May 28, priced at $1,986 found 6 hours ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Alternative airports near Barrigada

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to A.B. Won Pat Intl. GUM. Cheapest option available. Flights from $2,429
GUM
A.B. Won Pat Intl.
Cheapest
Flights from $2,429

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM) cost?
Secure a cheap one-way flight from $1,538 or cheap return flight from $1,919 from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM)?
The cheapest month to fly from DCA to GUM is April, when there's less demand. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM)?
To find the cheapest airline that'll fly you from DCA to GUM, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM)?
There aren't any daily direct flights from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from DCA to GUM?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM)?
Select a flight from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM) that takes off before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM) last-minute?
Holding off until just before your departure to book your flight from DCA to GUM often results in higher prices. While it's possible to find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to boost your chances of getting a bargain.
Is it cheaper to book a DCA to GUM flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to GUM flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to A.B. Won Pat Intl. Airport (GUM)?
If you booked your DCA to GUM flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
A.B. Won Pat Intl.
Airlines serving
Delta, United
Roundtrip price
$1,918
Distance
7924 mi

Book with confidence

Washington to Guam Flights

The cheapest times to fly from Washington to Guam

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Guam are during the month of April. You can find some of the cheapest flights from Washington to Guam with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Guam

Sunday is one of the best days to book for cheap flights from Washington to Guam: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Guam

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Guam in 2026. You can also book with separate airlines for your outbound and return journeys, from $1,538 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Guam flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Guam airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Guam Flights

*Flight schedules are subject to change.

*Available to One Key members.