$469+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CMB
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Sri Lanka
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Cheapest flights from Boston to Sri LankaExplore 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 September 13, 2026.
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 September 13, 2026.
This oojo deal was found by Cheapflights users on 9/9. 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 9/304:25 pm -
1 stop30h 40m
Fri 10/304:00 am -
1 stop20h 40m
Deal found 9/9![Etihad Airways logo]()
$854
This Gotogate deal was found by Cheapflights users on 9/10. 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.
Thu 10/84:25 pm -
1 stop18h 40m
Thu 10/154:10 am -
1 stop20h 00m
Deal found 9/10![Etihad Airways logo]()
$860
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:40 pm -
1 stop18h 05m
Mon 11/169:35 pm -
1 stop27h 05m
Deal found 9/10![Etihad Airways logo]()
$861
This oojo deal was found by Cheapflights users on 9/8. 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 9/304:25 pm -
1 stop25h 05m
Wed 10/219:50 pm -
1 stop26h 20m
Deal found 9/8![Etihad Airways logo]()
$863
This oojo deal was found by Cheapflights users on 9/9. 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 10/224:25 pm -
1 stop30h 40m
Thu 10/299:35 pm -
1 stop27h 05m
Deal found 9/9![Etihad Airways logo]()
$906
Best flights from Boston to Sri LankaDiscover carefully curated flight deals from Boston to Sri Lanka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Boston to Sri Lanka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This Etihad Airways deal was found by Cheapflights users on 9/11. 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 1/63:40 pm -
1 stop24h 40m
Mon 1/189:55 am -
1 stop38h 45m
Deal found 9/11![Etihad Airways logo]()
$908
This Qatar Airways deal was found by Cheapflights users on 9/9. 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.
Sun 11/88:40 pm -
1 stop25h 35m
Thu 11/127:30 pm -
1 stop28h 55m
Deal found 9/9![Qatar Airways logo]()
$1,112
This Emirates deal was found by Cheapflights users on 9/7. 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.
Wed 12/210:10 pm -
2 stops25h 35m
Tue 12/158:15 pm -
2 stops28h 10m
Deal found 9/7![Emirates logo]()
$1,134
This Mytrip deal was found by Cheapflights users on 9/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:25 pm -
3 stops32h 35m
Thu 10/295:15 pm -
2 stops31h 25m
Deal found 9/7![Multiple Airlines logo]()
$1,154
This oojo deal was found by Cheapflights users on 9/7. 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.
Tue 12/13:40 pm -
1 stop30h 00m
Wed 12/169:55 am -
2 stops44h 16m
Deal found 9/7![Etihad Airways logo]()
$909
This Etihad Airways deal was found by Cheapflights users on 9/9. 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 12/23:40 pm -
1 stop30h 00m
Mon 12/144:00 am -
1 stop20h 40m
Deal found 9/9![Etihad Airways logo]()
$910
This Emirates deal was found by Cheapflights users on 9/10. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 pm -
2 stops25h 35m
Thu 11/128:15 pm -
2 stops28h 10m
Deal found 9/10![Emirates logo]()
$1,134
This Etihad Airways deal was found by Cheapflights users on 9/11. 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.
Tue 1/55:07 pm -
2 stops40h 38m
Tue 1/199:55 am -
1 stop38h 45m
Deal found 9/11![Etihad Airways logo]()
$1,034
Last-minute flights from Boston to Sri LankaDiscover last-minute flight deals from Boston to Sri Lanka. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Sri Lanka. Data last updated September 13, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/9. 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 9/304:25 pm -
1 stop30h 40m
Fri 10/304:00 am -
1 stop20h 40m
Deal found 9/9![Etihad Airways logo]()
$854
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:25 pm -
1 stop37h 00m
Wed 10/2110:00 am -
1 stop38h 10m
Deal found 9/11![Etihad Airways logo]()
$861
This Gotogate deal was found by Cheapflights users on 9/10. 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.
Thu 10/84:25 pm -
1 stop18h 40m
Thu 10/154:10 am -
1 stop20h 00m
Deal found 9/10![Etihad Airways logo]()
$860
This oojo deal was found by Cheapflights users on 9/8. 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 10/224:25 pm -
1 stop30h 40m
Wed 1/204:00 am -
1 stop20h 40m
Deal found 9/8![Etihad Airways logo]()
$866
This oojo deal was found by Cheapflights users on 9/9. 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 10/224:25 pm -
1 stop30h 40m
Thu 10/299:35 pm -
1 stop27h 05m
Deal found 9/9![Etihad Airways logo]()
$906
One-way flights from Boston to Sri LankaSearch for one-way flight options from Boston to Sri Lanka. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Boston to Sri Lanka. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Flightnetwork deal was found by Cheapflights users on 9/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:25 pm -
1 stop25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Etihad Airways logo]()
$469
This Gotogate deal was found by Cheapflights users on 9/10. 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.
Tue 10/134:25 pm -
1 stop18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Etihad Airways logo]()
$471
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:25 pm -
2 stops45h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$532
This Indian Eagle deal was found by Cheapflights users on 9/10. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/113:40 pm -
1 stop18h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Etihad Airways logo]()
$581
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:40 pm -
2 stops21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$583
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:40 pm -
1 stop30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Etihad Airways logo]()
$584
This Indian Eagle deal was found by Cheapflights users on 9/9. 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.
Tue 2/23:40 pm -
1 stop18h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Etihad Airways logo]()
$586
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:25 pm -
3 stops24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$587
Find 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 September 13, 2026.
Round-trip from | $849 (Indian Eagle) |
|---|---|
One-way from | $469 (Flightnetwork) |
Popular in | December |
Cheapest in | October |
Average price | $986 |
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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Boston to Sri Lanka that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Sun 11/15
6:55 pm-8:10 am
3 stops50h 45m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$580
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Thu 11/5
3:40 pm-8:10 am
1 stop30h 00m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$580
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Sun 10/25
9:40 pm-4:30 am
2 stops21h 20m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$583
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Sun 10/25
4:40 pm-2:50 pm
1 stop36h 40m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$584
Quickest round-trip
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Tue 2/2
3:40 pm-8:15 pm
1 stop18h 05m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$586
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Tue 1/12
3:40 pm-8:15 pm
1 stop18h 05m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$605
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Thu 1/14
3:40 pm-2:50 pm
1 stop36h 40m
Colombo Bandaranaike Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$605
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Wed 1/6
3:40 pm-2:50 am
1 stop24h 40m
Colombo Bandaranaike Intl
Mon 1/18
9:55 am-2:10 pm
1 stop38h 45m
$908
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Tue 12/1
3:40 pm-8:10 am
1 stop30h 00m
Colombo Bandaranaike Intl
Wed 12/16
9:55 am-7:41 pm
2 stops44h 16m
$909
BostonColombo
BOS Boston Logan Intl - CMB Colombo Bandaranaike Intl
BOSCMB
Boston Logan Intl
Wed 12/2
3:40 pm-8:10 am
1 stop30h 00m
Colombo Bandaranaike Intl
Mon 12/14
4:00 am-2:10 pm
1 stop20h 40m
$910
Showing 1-10 of 15 resultsSorted by cheapest first
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.
BOS-CMB
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
BOS-LK0
BOS-CMB
What is the cheapest month to book a flight from Boston to Sri Lanka?
Currently, October is the cheapest month in which you can book a flight from Boston to Sri Lanka (average of $897). Flying from Boston to Sri Lanka in December is currently the most expensive (average of $1,517). 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.
How far ahead should I book a flight from Boston to Sri Lanka?
The price you pay for your flight from Boston to Sri Lanka may vary depending on when you book. For the best chance of a lower fare, look to book 18 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 September 13, 2026.
Read reviews from past customers who have flown Emirates,Qatar Airways, andTurkish Airlines 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.
Comfort
8.0
Overall
8.1
Entertainment
8.2
Boarding
8.1
Food
7.9
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Entertainment
8.2
Boarding
8.1
Food
7.9
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Entertainment
8.2
Boarding
8.1
Food
7.9
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Entertainment
8.2
Boarding
8.1
Food
7.9
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Entertainment
8.2
Boarding
8.1
Food
7.9
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Entertainment
8.2
Boarding
8.1
Food
7.9
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
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.
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Complete your trip
Complete your trip to Sri Lanka by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Boston to Sri Lanka, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Sri Lanka flights
Browse other Boston and Sri Lanka flight options. Last updated on September 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$868 | Average$1,045 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$874 | Average$1,188 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,058 | Average$1,443 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,136 | Average$1,714 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,248 | Average$1,955 | FlexibilityNo cancel fee | On-time62% |