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$419+ Cheap flights from Boston (BOS) to Bandaranaike Intl (CMB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CMB
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Colombo Bandaranaike Intl are usually found in March or April, booked 71 days in advance, depart on a Monday or Friday and return on a Friday

Cheap flight deals from Boston to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Colombo (CMB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2025.

Round-trip from

$733
(Gurufare)

One-way from

$419
(SmartFares)

Popular in

December

Cheapest in

March

Average price

$1,195
From Boston Logan Intl to Colombo Bandaranaike Intl
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One-way flight from Boston Logan Intl to Colombo Bandaranaike Intl
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Highest demand for flights based on searches. 10% potential increase in price ($133 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Boston to Colombo

Cheapest flights from Boston to Colombo
Explore the most affordable flight options available from Boston to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Gurufare deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:40 amBOS - CMB
1 stop36h 20mCathay Pacific
Wed 10/812:50 amCMB - BOS
1 stop31h 40mCathay Pacific
Deal found 8/18$733
This KAYAK deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:40 amBOS - CMB
1 stop36h 20mCathay Pacific
Sat 10/1812:50 amCMB - BOS
1 stop31h 40mCathay Pacific
Deal found 8/19$735
This Gurufare deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:40 amBOS - CMB
1 stop36h 20mCathay Pacific
Thu 9/1112:50 amCMB - BOS
1 stop31h 40mCathay Pacific
Deal found 8/20$743
This lastminute.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/211:40 amBOS - CMB
1 stop36h 20mCathay Pacific
Sat 9/612:50 amCMB - BOS
1 stop31h 40mCathay Pacific
Deal found 8/18$745
This SmartFares deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:30 amBOS - CMB
1 stop36h 30mCathay Pacific
Sun 12/2812:45 amCMB - BOS
1 stop31h 45mCathay Pacific
Deal found 8/18$748
This Cathay Pacific deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:30 amBOS - CMB
1 stop36h 30mCathay Pacific
Tue 12/212:45 amCMB - BOS
1 stop31h 45mCathay Pacific
Deal found 8/20$768
This Gurufare deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:30 amBOS - CMB
1 stop36h 30mCathay Pacific
Mon 12/112:45 amCMB - BOS
1 stop31h 45mCathay Pacific
Deal found 8/20$904
This Cathay Pacific deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2312:30 amBOS - CMB
1 stop36h 30mCathay Pacific
Mon 12/112:45 amCMB - BOS
1 stop31h 45mCathay Pacific
Deal found 8/20$909
This Gotogate deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/224:30 pmBOS - CMB
1 stop24h 50mEtihad Airways
Sun 9/710:05 amCMB - BOS
1 stop38h 20mEtihad Airways
Deal found 8/18$916
This Indian Eagle deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/284:30 pmBOS - CMB
1 stop24h 50mEtihad Airways
Tue 9/99:50 pmCMB - BOS
1 stop26h 35mEtihad Airways
Deal found 8/18$925
This Gotogate deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:30 pmBOS - CMB
1 stop24h 50mEtihad Airways
Tue 9/910:05 amCMB - BOS
1 stop38h 20mEtihad Airways
Deal found 8/19$933
This CrystalTravel deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:40 pmBOS - CMB
1 stop18h 10mEtihad Airways
Wed 11/54:00 amCMB - BOS
1 stop21h 10mEtihad Airways
Deal found 8/18$934

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Colombo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Boston to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Boston

Fly to

Colombo

Route

Depart

Return

Price

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 10/1

1:40 am-11:30 pm

1 stop36h 20m

Colombo Bandaranaike Intl

Wed 10/8

12:50 am-11:00 pm

1 stop31h 40m

$733

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 11/1

12:55 am-11:30 pm

1 stop37h 05m

Colombo Bandaranaike Intl

Tue 11/11

12:45 am-10:00 pm

1 stop31h 45m

$733

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Tue 10/28

1:30 am-11:30 pm

1 stop36h 30m

Colombo Bandaranaike Intl

Thu 11/6

12:45 am-10:00 pm

1 stop31h 45m

$733

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Thu 10/2

1:40 am-11:30 pm

1 stop36h 20m

Colombo Bandaranaike Intl

Sat 10/18

12:50 am-11:00 pm

1 stop31h 40m

$735

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sun 8/31

1:40 am-11:30 pm

1 stop36h 20m

Colombo Bandaranaike Intl

Mon 9/8

12:50 am-11:00 pm

1 stop31h 40m

$743

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sun 11/16

12:30 am-11:30 pm

1 stop36h 30m

Colombo Bandaranaike Intl

Mon 1/26

12:45 am-10:00 pm

1 stop31h 45m

$748

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Tue 11/11

12:30 am-11:30 pm

1 stop36h 30m

Colombo Bandaranaike Intl

Sun 12/28

12:45 am-10:00 pm

1 stop31h 45m

$748

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sun 11/23

12:30 am-11:30 pm

1 stop36h 30m

Colombo Bandaranaike Intl

Tue 12/2

12:45 am-10:00 pm

1 stop31h 45m

$768

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 11/22

12:30 am-11:30 pm

1 stop36h 30m

Colombo Bandaranaike Intl

Tue 12/2

12:45 am-10:00 pm

1 stop31h 45m

$768

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Tue 11/18

12:30 am-11:30 pm

1 stop36h 30m

Colombo Bandaranaike Intl

Tue 12/2

12:45 am-10:00 pm

1 stop31h 45m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 18 results
1
2

Best time to book a flight from Boston to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Boston 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 Boston to Colombo Bandaranaike Intl Airport

How far ahead should I book a flight from Boston to Colombo Bandaranaike Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Colombo. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Colombo Bandaranaike Intl Airport, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Colombo Bandaranaike Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Boston to Colombo Bandaranaike Intl Airport (average of $1,039). Flying from Boston to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,762). 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.

What is the cheapest time of day to fly from BOS to CMB?

Find hourly flight availability from Boston to Colombo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 14% on flights from Boston to Colombo Bandaranaike Intl Airport by exploring options for tickets at noon.

Reviews of airlines servicing Colombo

Get insights into the airlines that provide service to Colombo. 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 Colombo. Reviews last updated August 20, 2025.
See what other customers who have flown with Cathay Pacific, Qatar Airways, and Etihad Airways from Boston to Colombo Bandaranaike Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
972 reviews

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm
Cathay Pacific
7.6
Good
972 reviews
Cathay Pacific
7.6
Good
972 reviews

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm
Qatar Airways
7.4
Good
3,611 reviews
Cathay Pacific
7.6
Good
972 reviews

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm
Etihad Airways
7.4
Good
1,233 reviews
Cathay Pacific
7.6
Good
972 reviews

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm
British Airways
6.7
Okay
7,289 reviews
Cathay Pacific
7.6
Good
972 reviews

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm

Related info for your journey

Find useful and relevant information for your journey from Boston to Colombo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Colombo Bandaranaike Intl?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Colombo Bandaranaike Intl. You should not have trouble finding flights to Colombo Bandaranaike Intl from Logan Intl; the airport handles an average of 0 outbound flights to Colombo Bandaranaike Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Boston airport to Colombo Bandaranaike Intl. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How long is the flight from Boston to Colombo Bandaranaike Intl Airport?

    Cathay Pacific can get you from Boston to Colombo Bandaranaike Intl Airport in just under 36h 20m. Your travel time can differ by up to . Airlines will cover a distance of 8548 mi.

  • What are the cheapest airlines flying from Boston to Colombo Bandaranaike Intl Airport round-trip?

    Flying on Cathay Pacific is currently your cheapest option to Colombo Bandaranaike Intl Airport, with prices starting at $747. Additional round-trip tickets that might be worth considering are offered by Etihad Airways and Qatar Airways, with the lowest prices starting at $854 and $933, respectively. These flights start at 34% lower than the current average price 3 months from now.

  • Where are the most common layover locations when flying from Boston to Colombo Bandaranaike Intl Airport?

    Boston to Colombo Bandaranaike Intl Airport flights have a layover in Abu Dhabi most of the time.

  • What are some popular things to do or see while on a layover in Abu Dhabi?

    The majority of Abu Dhabi visitors spend their time at Emirates Palace, Emirates Park Zoo, and Etihad Towers. Emirates Palace, Emirates Park Zoo, and Etihad Towers can be visited by traveling about 21.1 mi, 7.9 mi, and 20.8 mi respectively from Abu Dhabi Zayed Intl. Those landing in Abu Dhabi looking to spend some time exploring during their layover can rent a car for about $20 per day.

  • Where are the least popular layover locations for Boston to Colombo Bandaranaike Intl Airport flights?

    Boston to Colombo Bandaranaike Intl Airport flights have a layover in Doha the least frequently.

  • Can I find deals for flights from Boston to Colombo that include hotel bookings?

    Yes. In addition to deals on Boston to Colombo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Colombo.

  • Can I find deals for business class flights from Boston to Colombo?

    Yes. Cheapflights offers flight deals from Boston to Colombo 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 Boston to Colombo Bandaranaike Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Boston to Colombo Bandaranaike Intl Airport (average of $1,039). Flying from Boston to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,762). 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

Traveling to a place near Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Negombo

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Alternative routes for Boston to Colombo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Boston to Colombo

Discover the top 4 airlines that operate flights from Boston to Colombo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$747Average$790FlexibilityNo cancel feeOn-time72%
Etihad AirwaysCheapest$854Average$1,157FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$933Average$1,195FlexibilityNo cancel feeOn-time68%
British AirwaysCheapest$2,502Average$2,776FlexibilityNo cancel feeOn-time70%

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