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$466+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CMB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$808
(FlightHub)

One-way from

$466
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,457
From Boston Logan Intl to Sri Lanka
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One-way flight from Boston Logan Intl to Sri Lanka
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Highest demand for flights based on searches. 8% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/10. 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.
Sat 9/131:40 amBOS - CMB
1 stop36h 20mCathay Pacific
Fri 10/312:50 amCMB - BOS
1 stop31h 40mCathay Pacific
Deal found 6/10$799
This CrystalTravel deal was found by Cheapflights users on 6/10. 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.
Sun 9/144:30 pmBOS - CMB
1 stop18h 35mEtihad Airways
Sat 10/44:30 pmCMB - BOS
1 stop31h 55mEtihad Airways
Deal found 6/10$929
This oojo deal was found by Cheapflights users on 6/12. 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.
Thu 9/1110:00 pmBOS - CMB
1 stop18h 35mQatar Airways
Wed 9/243:35 amCMB - BOS
1 stop21h 00mQatar Airways
Deal found 6/12$958
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:35 pmBOS - CMB
2 stops25h 40mIndiGo
Thu 9/259:55 pmCMB - BOS
2 stops31h 15mIndiGo
Deal found 6/12$999
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Wed 11/198:00 pmBOS - CMB
1 stop23h 40mTurkish Airlines
Sun 12/710:00 pmCMB - BOS
1 stop30h 35mTurkish Airlines
Deal found 6/10$1,073
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/710:45 pmBOS - CMB
2 stops38h 55mMultiple Airlines
Mon 7/215:15 pmCMB - BOS
2 stops37h 15mMultiple Airlines
Deal found 6/11$1,086
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:00 pmBOS - CMB
1 stop18h 35mJetBlue
Thu 10/23:35 amCMB - BOS
1 stop21h 00mJetBlue
Deal found 6/10$1,316

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 June 12, 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 9/5

1:40 am-11:30 pm

1 stop36h 20m

Colombo Bandaranaike Intl

Fri 9/19

12:50 am-11:00 pm

1 stop31h 40m

$808

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 9/6

4:30 pm-2:50 am

1 stop24h 50m

Colombo Bandaranaike Intl

Sat 9/20

4:30 pm-2:55 pm

1 stop31h 55m

$951

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 9/6

10:00 pm-9:00 am

1 stop25h 30m

Colombo Bandaranaike Intl

Fri 9/19

3:35 am-3:05 pm

1 stop21h 00m

$1,035

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Mon 7/7

10:45 pm-11:10 pm

2 stops38h 55m

Colombo Bandaranaike Intl

Mon 7/21

5:15 pm-9:00 pm

2 stops37h 15m

$1,086

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 6/25

9:35 pm-11:50 am

2 stops28h 45m

Colombo Bandaranaike Intl

Tue 7/8

9:55 pm-7:40 pm

2 stops31h 15m

$1,119

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sun 6/22

10:00 pm-2:05 am

1 stop18h 35m

Colombo Bandaranaike Intl

Fri 7/4

3:35 am-3:05 pm

1 stop21h 00m

$1,464

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sun 9/7

10:00 pm-5:40 am

2 stops22h 10m

$586

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sun 9/7

4:30 pm-8:30 am

1 stop30h 30m

$676

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sun 6/15

10:00 pm-2:05 am

1 stop18h 35m

$862

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 9/6

1:40 am-11:30 pm

1 stop36h 20m

$1,190

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $1,818). 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 June 12, 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 June 12, 2025.
Read reviews from past customers who have flown Cathay Pacific, Qatar Airways and Etihad Airways from Boston to Sri Lanka. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
892 reviews

Food

7.3

Boarding

7.9

Crew

8.0

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Cathay Pacific
7.6
Good
892 reviews
Cathay Pacific
7.6
Good
892 reviews

Food

7.3

Boarding

7.9

Crew

8.0

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Qatar Airways
7.4
Good
3,584 reviews
Cathay Pacific
7.6
Good
892 reviews

Food

7.3

Boarding

7.9

Crew

8.0

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Etihad Airways
7.4
Good
1,211 reviews
Cathay Pacific
7.6
Good
892 reviews

Food

7.3

Boarding

7.9

Crew

8.0

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
American Airlines
7.2
Good
10,000 reviews
Cathay Pacific
7.6
Good
892 reviews

Food

7.3

Boarding

7.9

Crew

8.0

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
IndiGo
6.8
Okay
477 reviews
Cathay Pacific
7.6
Good
892 reviews

Food

7.3

Boarding

7.9

Crew

8.0

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.

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 $1,818). 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 6 airlines flying from Boston to Sri Lanka

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$747Average$790FlexibilityNo cancel feeOn-time72%
Etihad AirwaysCheapest$853Average$1,152FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$900Average$1,262FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$961Average$1,217FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$993Average$1,527FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$2,502Average$2,776FlexibilityNo cancel feeOn-time70%

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