$446 Cheap Flights from Boston (BOS) to Colombo (CMB)

View $446 flight on Sun, Oct 19, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Bandaranaike Intl. Airport (CMB)

Cheap Flights from Boston to Colombo (BOS-CMB)

Prices were available within the past 7 days and start at $446 for one-way flights and $900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Sun, Oct 19 - Sun, Nov 2
BOS
Boston
CMB
Colombo
$900 Roundtrip, found 1 hour ago
$900
Roundtrip
found 1 hour ago
Select Etihad Airways flight, departing Sun, Oct 19 from Boston to Colombo, returning Sun, Nov 2, priced at $900 found 1 hour ago
Etihad Airways
Thu, Oct 30 - Thu, Nov 6
BOS
Boston
CMB
Colombo
$913 Roundtrip, found 3 hours ago
$913
Roundtrip
found 3 hours ago
Select Etihad Airways flight, departing Thu, Oct 30 from Boston to Colombo, returning Thu, Nov 6, priced at $913 found 3 hours ago
Etihad Airways
Wed, Nov 5 - Wed, Nov 19
BOS
Boston
CMB
Colombo
$925 Roundtrip, just found
$925
Roundtrip
just found
Select Etihad Airways flight, departing Wed, Nov 5 from Boston to Colombo, returning Wed, Nov 19, priced at $925 just found
Etihad Airways
Tue, Dec 30 - Fri, Jan 23
BOS
Boston
CMB
Colombo
$926 Roundtrip, found 7 hours ago
$926
Roundtrip
found 7 hours ago
Select Etihad Airways flight, departing Tue, Dec 30 from Boston to Colombo, returning Fri, Jan 23, priced at $926 found 7 hours ago
Etihad Airways
Thu, Jan 15 - Fri, Feb 6
BOS
Boston
CMB
Colombo
$928 Roundtrip, found 1 hour ago
$928
Roundtrip
found 1 hour ago
Select Etihad Airways flight, departing Thu, Jan 15 from Boston to Colombo, returning Fri, Feb 6, priced at $928 found 1 hour ago
JetBlue Airways
Sat, Jan 17 - Thu, Jan 22
BOS
Boston
CMB
Colombo
$934 Roundtrip, found 3 days ago
$934
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Jan 17 from Boston to Colombo, returning Thu, Jan 22, priced at $934 found 3 days ago
Qatar Airways
Thu, Jan 15 - Fri, Feb 6
BOS
Boston
CMB
Colombo
$976 Roundtrip, found 1 hour ago
$976
Roundtrip
found 1 hour ago
Select Qatar Airways flight, departing Thu, Jan 15 from Boston to Colombo, returning Fri, Feb 6, priced at $976 found 1 hour ago
Alaska Airlines
Sun, Oct 19 - Sun, Nov 2
BOS
Boston
CMB
Colombo
$1,043 Roundtrip, found 1 hour ago
$1,043
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sun, Oct 19 from Boston to Colombo, returning Sun, Nov 2, priced at $1,043 found 1 hour ago
American Airlines
Sun, Oct 19 - Sun, Oct 26
BOS
Boston
CMB
Colombo
$1,043 Roundtrip, found 3 hours ago
$1,043
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Oct 19 from Boston to Colombo, returning Sun, Oct 26, priced at $1,043 found 3 hours ago
Turkish Airlines
Wed, Oct 29 - Wed, Nov 5
BOS
Boston
CMB
Colombo
$1,060 Roundtrip, found 3 hours ago
$1,060
Roundtrip
found 3 hours ago
Select Turkish Airlines flight, departing Wed, Oct 29 from Boston to Colombo, returning Wed, Nov 5, priced at $1,060 found 3 hours ago

Alternative airports near Colombo

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

Select flight to Bandaranaike Intl. CMB. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $900
CMB
Bandaranaike Intl.
Cheapest
Average driving time to city center28 min
Flights from $900

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Bandaranaike Intl. Airport (CMB) cost?
Secure a cheap one-way flight from $446 or cheap return flight from $900 from Logan Intl. Airport (BOS) to Bandaranaike Intl. Airport (CMB) 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 Logan Intl. Airport (BOS) to Bandaranaike Intl. Airport (CMB)?
October is the cheapest month to fly from BOS to CMB. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Bandaranaike Intl. Airport (CMB)?
To find the cheapest airline flying from BOS to CMB, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Logan Intl. Airport (BOS) to Bandaranaike Intl. Airport (CMB)?
There aren't any daily nonstop flights departing from Logan Intl. Airport (BOS) to Bandaranaike Intl. Airport (CMB). But you can book flights with layovers. Filter your search results 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 BOS to CMB?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Bandaranaike Intl. Airport (CMB)?
To land at Bandaranaike Intl. Airport (CMB) on time, pick a flight that leaves Logan Intl. Airport (BOS) 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 Logan Intl. Airport (BOS) to Bandaranaike Intl. Airport (CMB) last-minute?
Last-minute bookings from BOS to CMB are usually more expensive. To secure the best prices, start searching for flights early. That said, if you can play around with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book a BOS to CMB flight and hotel package?
You'll generally save money by securing a BOS to CMB flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal flights and accommodations, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Bandaranaike Intl. Airport (CMB)?
Generally, it's possible to reschedule or cancel your BOS to CMB flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Bandaranaike Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Cathay Pacific, Emirates, Etihad Airways, Gulf Air, JetBlue Airways, KLM, Lufthansa, Malaysia Airlines, Qatar Airways, SriLankan Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$900
Distance
8553 mi

Book with confidence

Boston to Colombo Flights

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

 

The best time to book a flight from Boston to Colombo

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston to Colombo in 2025. You can also book with separate airlines for your outbound and return journeys, from $446 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 Boston 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 Boston 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.

 

Boston to Colombo Flights

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*Available to One Key members.