$668 Cheap Flights from Baltimore (BWI) to Colombo (CMB)

View $668 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Bandaranaike Intl. Airport (CMB)

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Cheap Flights from Baltimore to Colombo (BWI-CMB)

Prices were available within the past 7 days and start at $668 for one-way flights and $1,247 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Sep 29 - Fri, Oct 10
BWI
Baltimore
CMB
Colombo
$1,247 Roundtrip, just found
$1,247
Roundtrip
just found
Select American Airlines flight, departing Mon, Sep 29 from Baltimore to Colombo, returning Fri, Oct 10, priced at $1,247 just found
American Airlines
Mon, Sep 29 - Fri, Oct 10
BWI
Baltimore
CMB
Colombo
$1,251 Roundtrip, just found
$1,251
Roundtrip
just found
Select American Airlines flight, departing Mon, Sep 29 from Baltimore to Colombo, returning Fri, Oct 10, priced at $1,251 just found
American Airlines
Mon, Sep 29 - Fri, Oct 10
BWI
Baltimore
CMB
Colombo
$1,258 Roundtrip, just found
$1,258
Roundtrip
just found
Select American Airlines flight, departing Mon, Sep 29 from Baltimore to Colombo, returning Fri, Oct 10, priced at $1,258 just found
American Airlines
Mon, Sep 29 - Fri, Oct 10
BWI
Baltimore
CMB
Colombo
$1,261 Roundtrip, just found
$1,261
Roundtrip
just found
Select American Airlines flight, departing Mon, Sep 29 from Baltimore to Colombo, returning Fri, Oct 10, priced at $1,261 just found
Qatar Airways
Mon, Sep 29 - Fri, Oct 10
BWI
Baltimore
CMB
Colombo
$1,269 Roundtrip, just found
$1,269
Roundtrip
just found
Select Qatar Airways flight, departing Mon, Sep 29 from Baltimore to Colombo, returning Fri, Oct 10, priced at $1,269 just found
American Airlines
Mon, Sep 29 - Fri, Oct 10
BWI
Baltimore
CMB
Colombo
$1,270 Roundtrip, just found
$1,270
Roundtrip
just found
Select American Airlines flight, departing Mon, Sep 29 from Baltimore to Colombo, returning Fri, Oct 10, priced at $1,270 just found
Qatar Airways
Mon, Sep 29 - Fri, Oct 10
BWI
Baltimore
CMB
Colombo
$1,272 Roundtrip, just found
$1,272
Roundtrip
just found
Select Qatar Airways flight, departing Mon, Sep 29 from Baltimore to Colombo, returning Fri, Oct 10, priced at $1,272 just found
Alaska Airlines
Wed, Feb 4 - Tue, Feb 24
BWI
Baltimore
CMB
Colombo
$1,308 Roundtrip, found 3 days ago
$1,308
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Baltimore to Colombo, returning Tue, Feb 24, priced at $1,308 found 3 days ago
Singapore Airlines
Sun, Mar 1 - Sun, Mar 8
BWI
Baltimore
CMB
Colombo
$1,510 Roundtrip, found 5 days ago
$1,510
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Sun, Mar 1 from Baltimore to Colombo, returning Sun, Mar 8, priced at $1,510 found 5 days ago
British Airways
Tue, Oct 28 - Wed, Dec 3
BWI
Baltimore
CMB
Colombo
$1,664 Roundtrip, found 2 days ago
$1,664
Roundtrip
found 2 days ago
Select British Airways flight, departing Tue, Oct 28 from Baltimore to Colombo, returning Wed, Dec 3, priced at $1,664 found 2 days ago

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bandaranaike Intl. Airport (CMB) cost?
Grab a cheap one-way flight from $668 or cheap return flight from $1,247 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bandaranaike Intl. Airport (CMB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bandaranaike Intl. Airport (CMB)?
September is the most affordable month to fly from BWI to CMB. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bandaranaike Intl. Airport (CMB)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BWI to CMB flight.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bandaranaike Intl. Airport (CMB)?
Nonstop flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bandaranaike Intl. Airport (CMB) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BWI to CMB?
Friday is typically 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 season 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 Bandaranaike Intl. Airport (CMB)?
To land at Bandaranaike Intl. Airport (CMB) without delays, opt for 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 Bandaranaike Intl. Airport (CMB) last-minute?
Booking your ticket from BWI to CMB just before your getaway is generally more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a BWI to CMB flight and hotel package?
Compared with arranging hotels and flights separately, booking a BWI to CMB flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then personalize your trip with extras 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 Bandaranaike Intl. Airport (CMB)?
In most instances, you can modify or cancel your BWI to CMB flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Bandaranaike Intl.
Airlines serving
American Airlines, British Airways, Qatar Airways, Singapore Airlines
Roundtrip price
$1,247
Distance
8899 mi

Book with confidence

Book with confidence

Baltimore to Colombo Flights

The cheapest times to fly from Baltimore to Colombo

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 Colombo are during the month of September. You can find some of the cheapest flights from Baltimore to Colombo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Colombo

Sunday is one of the best days to book for cheap flights from Baltimore to Colombo: 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 Colombo

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 Colombo in 2025. You can also book with separate airlines for your outbound and return journeys, from $668 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 Colombo 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 Colombo 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.

 

Baltimore to Colombo Flights

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Explore a world of travel with Expedia

*Available to One Key members.