$1,445 Cheap Flights from Baltimore (BWI) to Guam (GUM)

View $1,445 flight on Wed, Oct 22, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Barrigada - A.B. Won Pat International Airport (GUM)

Cheap Flights from Baltimore to Guam (BWI-GUM)

Prices were available within the past 7 days and start at $1,445 for one-way flights and $1,917 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Mar 11 - Wed, Mar 18
BWI
Baltimore
GUM
Guam
$1,917 Roundtrip, found 2 days ago
$1,917
Roundtrip
found 2 days ago
Select United flight, departing Wed, Mar 11 from Baltimore to Guam, returning Wed, Mar 18, priced at $1,917 found 2 days ago
United
Tue, Jan 20 - Thu, Feb 5
BWI
Baltimore
GUM
Guam
$1,941 Roundtrip, found 2 days ago
$1,941
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jan 20 from Baltimore to Guam, returning Thu, Feb 5, priced at $1,941 found 2 days ago
United
Thu, Jan 22 - Thu, Feb 19
BWI
Baltimore
GUM
Guam
$1,945 Roundtrip, found 2 days ago
$1,945
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 22 from Baltimore to Guam, returning Thu, Feb 19, priced at $1,945 found 2 days ago
Delta
Thu, Jan 22 - Wed, Jan 28
BWI
Baltimore
GUM
Guam
$1,953 Roundtrip, found 2 days ago
$1,953
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jan 22 from Baltimore to Guam, returning Wed, Jan 28, priced at $1,953 found 2 days ago
United
Thu, Feb 26 - Wed, Mar 4
BWI
Baltimore
GUM
Guam
$1,958 Roundtrip, found 5 days ago
$1,958
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 26 from Baltimore to Guam, returning Wed, Mar 4, priced at $1,958 found 5 days ago
United
Thu, Jan 22 - Thu, Feb 19
BWI
Baltimore
GUM
Guam
$1,961 Roundtrip, found 2 days ago
$1,961
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 22 from Baltimore to Guam, returning Thu, Feb 19, priced at $1,961 found 2 days ago
United
Thu, Jan 22 - Thu, Feb 19
BWI
Baltimore
GUM
Guam
$1,964 Roundtrip, found 2 days ago
$1,964
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 22 from Baltimore to Guam, returning Thu, Feb 19, priced at $1,964 found 2 days ago
United
Thu, Jan 22 - Thu, Feb 19
BWI
Baltimore
GUM
Guam
$1,965 Roundtrip, found 2 days ago
$1,965
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 22 from Baltimore to Guam, returning Thu, Feb 19, priced at $1,965 found 2 days ago
United
Thu, Jan 22 - Thu, Feb 19
BWI
Baltimore
GUM
Guam
$1,966 Roundtrip, found 2 days ago
$1,966
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 22 from Baltimore to Guam, returning Thu, Feb 19, priced at $1,966 found 2 days ago
United
Wed, Mar 11 - Fri, Mar 20
BWI
Baltimore
GUM
Guam
$1,967 Roundtrip, found 2 days ago
$1,967
Roundtrip
found 2 days ago
Select United flight, departing Wed, Mar 11 from Baltimore to Guam, returning Fri, Mar 20, priced at $1,967 found 2 days ago

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 $2,149
GUM
A.B. Won Pat Intl.
Cheapest
Flights from $2,149
Flights from Baltimore (BWI) to Guam (GUM)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
A.B. Won Pat Intl.
Airlines serving
Delta, United
Roundtrip price
$1,917
Distance
7922 mi

Baltimore to Guam Flights

The cheapest times to fly from Baltimore 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 Baltimore to Guam are during the month of March. You can find some of the cheapest flights from Baltimore to Guam with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Guam

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Guam in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,445 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 Baltimore 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 Baltimore 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.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to A.B. Won Pat Intl. Airport (GUM) cost?
Grab a cheap one-way flight from $1,445 or cheap return flight from $1,917 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to A.B. Won Pat Intl. Airport (GUM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to A.B. Won Pat Intl. Airport (GUM)?
The cheapest month to fly from BWI to GUM is March, when there's less demand. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to A.B. Won Pat Intl. Airport (GUM)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from BWI to GUM. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to A.B. Won Pat Intl. Airport (GUM)?
Nonstop flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to A.B. Won Pat Intl. Airport (GUM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BWI to GUM?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to A.B. Won Pat Intl. Airport (GUM)?
To touch down at A.B. Won Pat Intl. Airport (GUM) on time, select a flight that takes off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to A.B. Won Pat Intl. Airport (GUM) last-minute?
Waiting until just before your trip to book a ticket from BWI to GUM often results in higher prices. Although you may find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a BWI to GUM flight and hotel package?
You'll generally save money by booking a BWI to GUM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to A.B. Won Pat Intl. Airport (GUM)?
Usually, it's possible to reschedule or cancel your BWI to GUM flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.