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$800+ Cheap flights from Boston (BOS) to Sri Lanka

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CMB
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Round-trip from

$953
(Justfly.com)

Popular in

December

Cheapest in

March

Average price

$930
From Boston Logan Intl to Sri Lanka
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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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 March 28, 2025.

This oojo deal was found by Cheapflights users on 3/27. 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.
Fri 9/51:40 amBOS - CMB
1 stop36h 20mCathay Pacific
Fri 9/1912:50 amCMB - BOS
1 stop31h 40mCathay Pacific
Deal found 3/27$800
This oojo deal was found by Cheapflights users on 3/27. 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.
Sat 9/64:30 pmBOS - CMB
1 stop37h 25mEtihad Airways
Sat 9/204:05 amCMB - BOS
1 stop20h 20mEtihad Airways
Deal found 3/27$925
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/109:55 pmBOS - CMB
1 stop29h 20mMultiple Airlines
Sat 5/171:05 pmCMB - BOS
1 stop37h 30mMultiple Airlines
Deal found 3/26$961
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:00 pmBOS - CMB
1 stop18h 35mAmerican Airlines
Mon 10/208:20 pmCMB - BOS
1 stop28h 15mAmerican Airlines
Deal found 3/26$998
This Qatar Airways deal was found by Cheapflights users on 3/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:00 pmBOS - CMB
1 stop25h 30mQatar Airways
Wed 9/174:35 amCMB - BOS
1 stop20h 00mQatar Airways
Deal found 3/27$1,051
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/69:35 pmBOS - CMB
2 stops28h 45mIndiGo
Sat 9/2012:50 pmCMB - BOS
2 stops40h 20mIndiGo
Deal found 3/26$1,154
This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/19:35 pmBOS - CMB
1 stop22h 10mTurkish Airlines
Fri 6/66:45 amCMB - BOS
1 stop22h 25mTurkish Airlines
Deal found 3/26$1,282
This Air Canada deal was found by Cheapflights users on 3/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:00 pmBOS - CMB
2 stops28h 05mAir Canada
Sat 7/123:25 amCMB - BOS
2 stops39h 40mAir Canada
Deal found 3/26$1,477
This Emirates deal was found by Cheapflights users on 3/27. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/811:05 pmBOS - CMB
2 stops33h 55mEmirates
Thu 9/182:05 amCMB - BOS
1 stop21h 35mEmirates
Deal found 3/27$1,488
This Gurufare deal was found by Cheapflights users on 3/27. 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.
Fri 4/258:00 pmBOS - CMB
3 stops28h 00mGulf Air
Wed 5/75:25 pmCMB - BOS
3 stops51h 10mGulf Air
Deal found 3/27$1,593
This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:15 pmBOS - CMB
2 stops43h 50mSingapore Airlines
Tue 10/2111:05 amCMB - BOS
3 stops38h 38mSingapore Airlines
Deal found 3/26$1,679
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:25 pmBOS - CMB
2 stops30h 55mAir France
Sun 9/2112:50 pmCMB - BOS
2 stops34h 15mAir France
Deal found 3/27$1,791

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 March 28, 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

Fri 4/25

4:30 pm-2:50 am

1 stop24h 50m

Colombo Bandaranaike Intl

Wed 5/7

4:05 am-2:55 pm

1 stop20h 20m

$953

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 5/10

9:55 pm-12:45 pm

1 stop29h 20m

Colombo Bandaranaike Intl

Sat 5/17

1:05 pm-5:05 pm

1 stop37h 30m

$961

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Tue 4/22

10:00 pm-2:05 am

1 stop18h 35m

Colombo Bandaranaike Intl

Tue 4/29

8:20 pm-2:18 pm

2 stops27h 28m

$1,152

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 5/10

9:35 pm-11:50 am

2 stops28h 45m

Colombo Bandaranaike Intl

Sat 5/17

12:50 pm-7:40 pm

2 stops40h 20m

$1,184

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Fri 4/25

10:00 pm-3:05 am

1 stop19h 35m

Colombo Bandaranaike Intl

Tue 5/6

3:35 am-3:05 pm

1 stop21h 00m

$1,212

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Fri 4/25

1:40 am-11:50 pm

1 stop36h 40m

Colombo Bandaranaike Intl

Tue 5/6

1:10 am-11:00 pm

1 stop31h 20m

$1,276

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sun 6/1

9:35 pm-5:15 am

1 stop22h 10m

Colombo Bandaranaike Intl

Fri 6/6

6:45 am-7:40 pm

1 stop22h 25m

$1,282

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 6/18

7:00 pm-8:35 am

2 stops28h 05m

Colombo Bandaranaike Intl

Sat 7/12

3:25 am-9:35 am

2 stops39h 40m

$1,477

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 4/26

11:05 pm-6:30 pm

2 stops33h 55m

Colombo Bandaranaike Intl

Sat 5/10

8:35 pm-2:10 pm

2 stops27h 05m

$1,588

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Fri 4/25

8:00 pm-9:30 am

3 stops28h 00m

Colombo Bandaranaike Intl

Wed 5/7

5:25 pm-11:05 am

3 stops51h 10m

$1,593

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 11 results
1
2

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 $1,049). Flying from Boston to Sri Lanka in December is currently the most expensive (average of $1,850). 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 March 28, 2025.

When flying from Boston to Sri Lanka, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Sri Lanka by month

Plan your trip to Sri Lanka by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sri Lanka ranges from 2.4 - 13.8 inches per month. October is typically the wettest month, when rainfall can reach 13.8 in. February is typically the driest time to visit Sri Lanka when rainfall is around 2.4 in.

Temperature in Sri Lanka by month

Plan your trip to Sri Lanka by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sri Lanka, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 March 28, 2025.
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Singapore Airlines
8.1
Very good
1,285 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Emirates
8.0
Very good
3,190 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Cathay Pacific
7.5
Good
837 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Qatar Airways
7.4
Good
3,538 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Etihad Airways
7.4
Good
1,181 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

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.

  • 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 $1,049). Flying from Boston to Sri Lanka in December is currently the most expensive (average of $1,850). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Boston to Sri Lanka

Discover the top 7 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$747Average$790FlexibilityNo cancel feeOn-time72%
Etihad AirwaysCheapest$853Average$1,222FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$944Average$1,607FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$963Average$1,244FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,050Average$1,618FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,414Average$1,899FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$2,332Average$2,776FlexibilityNo cancel feeOn-time70%
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