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$419+ Cheap flights from Boston (BOS) to Sri Lanka

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CMB
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find flight deals from Boston to Sri Lanka

Cheapest flights from Boston to Sri Lanka
Explore the most affordable flight options available from Boston to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This deal was found by Cheapflights users on 11/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/293:40 pmBOS - CMB
1 stop18h 10mEtihad Airways
Sun 12/74:00 amCMB - BOS
1 stop20h 40mEtihad Airways
Deal found 11/12$995
This deal was found by Cheapflights users on 11/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/293:40 pmBOS - CMB
1 stop18h 10mEtihad Airways
Fri 12/54:00 amCMB - BOS
1 stop20h 40mEtihad Airways
Deal found 11/12$1,015
This Etihad Airways deal was found by Cheapflights users on 11/11. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:40 pmBOS - CMB
1 stop37h 05mEtihad Airways
Thu 12/119:35 pmCMB - BOS
1 stop27h 05mEtihad Airways
Deal found 11/11$1,135
This deal was found by Cheapflights users on 11/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/293:40 pmBOS - CMB
1 stop18h 10mEtihad Airways
Wed 12/34:00 amCMB - BOS
1 stop20h 40mEtihad Airways
Deal found 11/12$1,143
This oojo deal was found by Cheapflights users on 11/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:40 pmBOS - CMB
1 stop37h 05mEtihad Airways
Wed 12/109:35 pmCMB - BOS
1 stop27h 05mEtihad Airways
Deal found 11/12$1,147
This deal was found by Cheapflights users on 11/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:40 pmBOS - CMB
1 stop18h 10mEtihad Airways
Mon 12/84:00 amCMB - BOS
1 stop20h 40mEtihad Airways
Deal found 11/12$1,155
This Turkish Airlines deal was found by Cheapflights users on 11/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:00 pmBOS - CMB
1 stop30h 50mTurkish Airlines
Wed 11/267:40 amCMB - BOS
1 stop20h 55mTurkish Airlines
Deal found 11/12$1,161
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:40 pmBOS - CMB
1 stop18h 10mMultiple Airlines
Sat 11/229:55 pmCMB - BOS
1 stop26h 45mMultiple Airlines
Deal found 11/12$1,162
This Turkish Airlines deal was found by Cheapflights users on 11/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:00 pmBOS - CMB
1 stop30h 50mTurkish Airlines
Tue 11/257:40 amCMB - BOS
1 stop20h 55mTurkish Airlines
Deal found 11/12$1,165
This deal was found by Cheapflights users on 11/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:40 pmBOS - CMB
1 stop18h 10mEtihad Airways
Sat 12/64:00 amCMB - BOS
1 stop20h 40mEtihad Airways
Deal found 11/12$1,175
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:40 pmBOS - CMB
3 stops40h 50mMultiple Airlines
Tue 11/259:35 pmCMB - BOS
1 stop27h 05mMultiple Airlines
Deal found 11/12$1,215
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:10 pmBOS - CMB
1 stop39h 25mMultiple Airlines
Mon 11/244:00 amCMB - BOS
2 stops31h 14mMultiple Airlines
Deal found 11/12$1,221

Cheap flight deals from Boston to Sri Lanka

Keep the following information in mind while searching for Boston to Sri Lanka flight deals. Data was last updated November 13, 2025.

Round-trip from

$783
(CrystalTravel)

One-way from

$419
(CrystalTravel)

Popular in

December

Cheapest in

September

Average price

$994
From Boston Logan Intl to Sri Lanka
Search Deals
One-way flight from Boston Logan Intl to Sri Lanka
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Sri Lanka 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 November 13, 2025.
Use the filters below to find and compare flights from Boston to Sri Lanka that are best for you.

Fly from

Boston

Fly to

Sri Lanka

Route

Depart

Return

Price

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 2/18

3:40 pm-8:15 am

1 stop30h 05m

Colombo Bandaranaike Intl

Tue 3/3

9:35 pm-2:10 pm

1 stop27h 05m

$836

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Thu 3/19

4:40 pm-3:15 pm

1 stop37h 05m

Colombo Bandaranaike Intl

Sun 3/29

4:05 am-2:55 pm

1 stop20h 20m

$860

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Fri 2/27

8:40 pm-2:45 am

1 stop19h 35m

Colombo Bandaranaike Intl

Fri 3/13

3:25 am-2:55 pm

1 stop21h 00m

$935

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 2/25

8:40 pm-9:45 am

1 stop26h 35m

Colombo Bandaranaike Intl

Sat 3/14

3:25 am-2:55 pm

1 stop21h 00m

$935

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Thu 3/26

9:40 pm-2:45 am

1 stop19h 35m

Colombo Bandaranaike Intl

Sat 4/4

3:35 am-3:05 pm

1 stop21h 00m

$963

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Mon 3/2

3:40 pm-8:20 pm

1 stop18h 10m

Colombo Bandaranaike Intl

Mon 3/16

5:15 pm-3:10 pm

3 stops31h 25m

$964

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Thu 3/12

4:40 pm-8:20 pm

1 stop18h 10m

Colombo Bandaranaike Intl

Sun 3/22

5:15 pm-3:10 pm

3 stops31h 25m

$980

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Thu 3/19

4:40 pm-2:50 am

1 stop24h 40m

Colombo Bandaranaike Intl

Sun 3/29

1:50 pm-2:55 pm

3 stops34h 35m

$980

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Fri 4/10

4:30 pm-8:40 pm

1 stop18h 40m

Colombo Bandaranaike Intl

Sat 4/18

1:50 pm-2:55 pm

3 stops34h 35m

$1,000

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 2/18

8:07 pm-8:45 am

2 stops26h 08m

Colombo Bandaranaike Intl

Mon 3/2

4:15 am-1:55 pm

1 stop20h 10m

$1,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 19 results
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Best time to book a flight from Boston to Sri Lanka

Have a flexible travel schedule? Discover the best time to fly to Sri Lanka 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 Sri Lanka

What is the cheapest month to book a flight from Boston to Sri Lanka?

Currently, September is the cheapest month in which you can book a flight from Boston to Sri Lanka (average of $758). Flying from Boston to Sri Lanka in June is currently the most expensive (average of $1,049). 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 LK?

Find hourly flight availability from Boston to Sri Lanka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

One of the essential ways to save on airfare from Boston to Sri Lanka is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 16% on airfare.

Reviews of airlines servicing Sri Lanka

Get insights into the airlines that provide service to Sri Lanka. 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 Sri Lanka. Reviews last updated November 13, 2025.
Read reviews from past customers who have flown Cathay Pacific, Qatar Airways, and Etihad Airways from Boston to Sri Lanka. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,058 reviews

Crew

8.1

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Cathay Pacific
7.6
Good
1,058 reviews
Cathay Pacific
7.6
Good
1,058 reviews

Crew

8.1

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Qatar Airways
7.4
Good
3,661 reviews
Cathay Pacific
7.6
Good
1,058 reviews

Crew

8.1

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Etihad Airways
7.4
Good
1,296 reviews
Cathay Pacific
7.6
Good
1,058 reviews

Crew

8.1

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
JetBlue
7.2
Good
2,907 reviews
Cathay Pacific
7.6
Good
1,058 reviews

Crew

8.1

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Related info for your journey

Find useful and relevant information for your journey from Boston to Sri Lanka. 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 Sri Lanka?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Sri Lanka.

  • How long is the flight from Boston to Sri Lanka?

    Etihad Airways, Alaska Airlines, and Qatar Airways can get you from Boston to Sri Lanka in just under 19h 35m. Your travel time can differ by up to 10h 30m. The distance between Boston and Sri Lanka is about 8548 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Boston to Sri Lanka?

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

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

    Yes. Cheapflights offers flight deals from Boston to Sri Lanka 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 Sri Lanka?

    Currently, September is the cheapest month in which you can book a flight from Boston to Sri Lanka (average of $758). Flying from Boston to Sri Lanka in June is currently the most expensive (average of $1,049). 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

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Top 4 airlines flying from Boston to Sri Lanka

Discover the top 4 airlines that operate flights from Boston to Sri Lanka. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$747Average$790FlexibilityNo cancel feeOn-time72%
Etihad AirwaysCheapest$853Average$1,153FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$916Average$1,199FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,637Average$1,955FlexibilityNo cancel feeOn-time62%

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