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Sri Lanka

$427+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CMB
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$796
(Gurufare)

One-way from

$427
(oojo)

Popular in

December

Cheapest in

March

Average price

$1,287
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. 11% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Gurufare deal was found by Cheapflights users on 7/30. 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.
Thu 9/41:40 amBOS - CMB
1 stop36h 20mCathay Pacific
Sat 9/1312:50 amCMB - BOS
1 stop32h 05mCathay Pacific
Deal found 7/30$796
This Gotogate deal was found by Cheapflights users on 7/31. 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 8/304:30 pmBOS - CMB
1 stop37h 25mEtihad Airways
Tue 9/94:30 pmCMB - BOS
1 stop31h 55mEtihad Airways
Deal found 7/31$887
This oojo deal was found by Cheapflights users on 7/30. 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 10/110:00 pmBOS - CMB
1 stop19h 35mQatar Airways
Sun 10/123:35 amCMB - BOS
1 stop21h 00mQatar Airways
Deal found 7/30$976
This Gotogate deal was found by Cheapflights users on 7/31. 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 8/304:30 pmBOS - CMB
1 stop30h 30mMultiple Airlines
Tue 9/99:55 pmCMB - BOS
2 stops31h 15mMultiple Airlines
Deal found 7/31$988
This oojo deal was found by Cheapflights users on 7/30. 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 8/278:40 amBOS - CMB
2 stops37h 10mAir India
Wed 9/109:40 amCMB - BOS
2 stops35h 35mAir India
Deal found 7/30$1,085
This CrystalTravel deal was found by Cheapflights users on 7/30. 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.
Fri 12/58:00 pmBOS - CMB
1 stop23h 40mTurkish Airlines
Sun 12/147:40 amCMB - BOS
1 stop20h 55mTurkish Airlines
Deal found 7/30$1,123
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Tue 8/266:50 amBOS - CMB
2 stops50h 40mChina Eastern
Wed 9/38:30 pmCMB - BOS
2 stops34h 50mChina Eastern
Deal found 7/31$1,124

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 July 31, 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

Thu 9/4

1:40 am-11:30 pm

1 stop36h 20m

Colombo Bandaranaike Intl

Sat 9/13

12:50 am-11:25 pm

1 stop32h 05m

$796

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 8/30

4:30 pm-3:25 pm

1 stop37h 25m

Colombo Bandaranaike Intl

Tue 9/9

4:30 pm-2:55 pm

1 stop31h 55m

$887

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 10/1

10:00 pm-3:05 am

1 stop19h 35m

Colombo Bandaranaike Intl

Sun 10/12

3:35 am-3:05 pm

1 stop21h 00m

$976

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Sat 8/30

4:30 pm-8:30 am

1 stop30h 30m

Colombo Bandaranaike Intl

Tue 9/9

9:55 pm-7:40 pm

2 stops31h 15m

$988

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 8/27

8:40 am-7:20 am

2 stops37h 10m

Colombo Bandaranaike Intl

Wed 9/10

9:40 am-11:45 am

2 stops35h 35m

$1,085

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Tue 8/26

6:50 am-7:00 pm

2 stops50h 40m

Colombo Bandaranaike Intl

Wed 9/3

8:30 pm-9:50 pm

2 stops34h 50m

$1,124

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 8/20

4:30 pm-8:30 am

1 stop30h 30m

$427

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 8/20

6:05 am-2:50 am

3 stops35h 15m

$442

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Wed 8/20

10:00 pm-3:05 am

1 stop19h 35m

$571

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

Tue 8/19

1:40 am-11:30 pm

1 stop36h 20m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 12 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 $1,047). Flying from Boston to Sri Lanka in December is currently the most expensive (average of $1,786). 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 July 31, 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.

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 July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Cathay Pacific, and Qatar 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Cathay Pacific
7.6
Good
949 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Qatar Airways
7.4
Good
3,609 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Etihad Airways
7.4
Good
1,230 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
China Eastern
7.2
Good
158 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • What are the cheapest airlines to fly from Boston to Sri Lanka one-way?

    The cheapest airlines for a one-way flight from Boston to Sri Lanka are Etihad Airways ($427), Alaska Airlines ($571), and Cathay Pacific ($606).

  • 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 $1,047). Flying from Boston to Sri Lanka in December is currently the most expensive (average of $1,786). 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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Top 5 airlines flying from Boston to Sri Lanka

Discover the top 5 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$747Average$790FlexibilityNo cancel feeOn-time72%
Etihad AirwaysCheapest$854Average$1,159FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$951Average$1,177FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$959Average$1,071FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$2,502Average$2,776FlexibilityNo cancel feeOn-time70%

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