Cheap flights from Boston to Sri Lanka from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sri Lanka departing on 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Cathay Pacific Logo
1:40 am - 11:30 pmBOS-CMB
36h 20m1 stop
Cathay Pacific Logo
12:50 am - 11:00 pmCMB-BOS
31h 40m1 stop
$733Cathay Pacific
Find Deal
mar., ago. 26 - jue., sep. 11
Cathay Pacific Logo
12:30 am - 11:30 pmBOS-CMB
36h 30m1 stop
Cathay Pacific Logo
12:45 am - 10:00 pmCMB-BOS
31h 45m1 stop
$796Cathay Pacific
Find Deal
vie., ene. 23 - sáb., feb. 28
Etihad Airways Logo
4:30 pm - 2:50 amBOS-CMB
24h 50m1 stop
Etihad Airways Logo
4:30 pm - 2:55 pmCMB-BOS
31h 55m1 stop
$894Etihad Airways
Find Deal
mar., ago. 26 - jue., sep. 11
Etihad Airways Logo
4:30 pm - 3:25 pmBOS-CMB
37h 25m1 stop
Etihad Airways Logo
4:30 pm - 2:55 pmCMB-BOS
31h 55m1 stop
$923Etihad Airways
Find Deal
jue., ago. 28 - vie., sep. 12
Qatar Airways Logo
10:00 pm - 3:05 amBOS-CMB
19h 35m1 stop
Qatar Airways Logo
3:35 am - 3:05 pmCMB-BOS
21h 00m1 stop
$978Qatar Airways
Find Deal
mar., ago. 26 - mié., sep. 10
Qatar Airways Logo
10:00 pm - 2:05 amBOS-CMB
18h 35m1 stop
Qatar Airways Logo
3:35 am - 3:05 pmCMB-BOS
21h 00m1 stop
$981Qatar Airways
Find Deal
mié., ago. 27 - jue., sep. 11
Air India Logo
8:40 am - 7:20 amBOS-CMB
37h 10m2 stops
Air India Logo
5:05 pm - 9:29 pmCMB-BOS
37h 54m2 stops
$1,055Air India
Find Deal
jue., ago. 28 - vie., sep. 12
 Logo
10:00 pm - 2:05 amBOS-CMB
18h 35m1 stop
 Logo
9:55 pm - 7:40 pmCMB-BOS
31h 15m2 stops
$1,064
Find Deal
mar., ago. 26 - jue., sep. 11
Air India Logo
7:40 pm - 7:20 amBOS-CMB
50h 10m2 stops
Air India Logo
8:20 am - 9:29 pmCMB-BOS
46h 39m2 stops
$1,067Air India
Find Deal
mié., ago. 27 - vie., sep. 12
 Logo
6:30 am - 11:30 pmBOS-CMB
31h 30m3 stops
 Logo
8:20 am - 10:47 pmCMB-BOS
47h 57m3 stops
$1,071
Find Deal
mié., ago. 27 - vie., sep. 12

Qatar Airways flights from Boston to Sri Lanka

Our best Qatar Airways deals on Boston to Sri Lanka flight tickets
Qatar Airways
Aug 26
BOS10:00 pmBoston Logan Intl
19h 35m
1 stop
CMB3:05 amColombo Bandaranaike Intl
Sep 10
CMB3:35 amColombo Bandaranaike Intl
21h 00m
1 stop
BOS3:05 pmBoston Logan Intl
Qatar Airways
Aug 27
BOS10:00 pmBoston Logan Intl
18h 35m
1 stop
CMB2:05 amColombo Bandaranaike Intl
Sep 11
CMB3:35 amColombo Bandaranaike Intl
21h 00m
1 stop
BOS3:05 pmBoston Logan Intl
Qatar Airways
Aug 27
BOS10:00 pmBoston Logan Intl
19h 35m
1 stop
CMB3:05 amColombo Bandaranaike Intl
Sep 12
CMB4:35 amColombo Bandaranaike Intl
20h 00m
1 stop
BOS3:05 pmBoston Logan Intl

American Airlines flights from Boston to Sri Lanka

Our best American Airlines deals on Boston to Sri Lanka flight tickets
American Airlines
Oct 1
BOS4:50 pmBoston Logan Intl
24h 45m
2 stops
CMB3:05 amColombo Bandaranaike Intl
Oct 21
CMB3:35 amColombo Bandaranaike Intl
21h 00m
1 stop
BOS3:05 pmBoston Logan Intl
American Airlines
Sep 6
BOS4:50 pmBoston Logan Intl
24h 45m
2 stops
CMB3:05 amColombo Bandaranaike Intl
Sep 20
CMB8:20 pmColombo Bandaranaike Intl
28h 15m
1 stop
BOS3:05 pmBoston Logan Intl
American Airlines
Sep 6
BOS4:50 pmBoston Logan Intl
24h 45m
2 stops
CMB3:05 amColombo Bandaranaike Intl
Sep 19
CMB3:35 amColombo Bandaranaike Intl
21h 00m
1 stop
BOS3:05 pmBoston Logan Intl

momondo 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, momondo users made 832,500 searches. Data last updated agosto 14, 2025.
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

Price

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

mar. 8/26

1:40 am-11:30 pm

1 stop36h 20m

Colombo Bandaranaike Intl

jue. 9/11

12:50 am-11:00 pm

1 stop31h 40m

$733

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

vie. 1/23

12:30 am-11:30 pm

1 stop36h 30m

Colombo Bandaranaike Intl

sáb. 2/28

12:45 am-10:00 pm

1 stop31h 45m

$796

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

mar. 8/26

4:30 pm-2:50 am

1 stop24h 50m

Colombo Bandaranaike Intl

jue. 9/11

4:30 pm-2:55 pm

1 stop31h 55m

$894

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

jue. 8/28

4:30 pm-3:25 pm

1 stop37h 25m

Colombo Bandaranaike Intl

vie. 9/12

4:30 pm-2:55 pm

1 stop31h 55m

$923

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

mar. 8/26

10:00 pm-3:05 am

1 stop19h 35m

Colombo Bandaranaike Intl

mié. 9/10

3:35 am-3:05 pm

1 stop21h 00m

$978

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

mié. 8/27

10:00 pm-2:05 am

1 stop18h 35m

Colombo Bandaranaike Intl

jue. 9/11

3:35 am-3:05 pm

1 stop21h 00m

$981

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

jue. 8/28

8:40 am-7:20 am

2 stops37h 10m

Colombo Bandaranaike Intl

vie. 9/12

5:05 pm-9:29 pm

2 stops37h 54m

$1,055

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

mar. 8/26

10:00 pm-2:05 am

1 stop18h 35m

Colombo Bandaranaike Intl

jue. 9/11

9:55 pm-7:40 pm

2 stops31h 15m

$1,064

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

mié. 8/27

7:40 pm-7:20 am

2 stops50h 10m

Colombo Bandaranaike Intl

vie. 9/12

8:20 am-9:29 pm

2 stops46h 39m

$1,067

BostonColombo

BOS - CMB

BOSCMB

Boston Logan Intl

mié. 8/27

6:30 am-11:30 pm

3 stops31h 30m

Colombo Bandaranaike Intl

vie. 9/12

8:20 am-10:47 pm

3 stops47h 57m

$1,071

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sri Lanka from

How to get the cheapest flight ticket from Boston to Sri Lanka

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sri Lanka?

The month of March is, on average, the cheapest month to fly to Sri Lanka from Boston, with most prices found around $902. If you aren’t able to travel to Sri Lanka during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $966.

What is the cheapest day to depart on your flight to Sri Lanka?

Our data shows that Monday is the least expensive day to fly to Sri Lanka. Tickets to fly out on this day can be as low as $1,458. Flights from Boston to Sri Lanka on a Sunday will generally be more expensive and average around $1,639. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sri Lanka?

At noon is the cheapest time of day to fly from Boston to Sri Lanka when you can find flight prices for as low as $1,307. Flying to Sri Lanka at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sri Lanka, so prices are often more expensive at around $1,509 per ticket.

How far in advance should I book a flight to Sri Lanka?

You are more likely to see cheaper flights to Sri Lanka from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Sri Lanka for around $1,134 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sri Lanka from Boston for as low as $1,033 on momondo.

Can stopping save me money on Boston to Sri Lanka flights?

You could potentially save up to 14% on your flight if you consider stops on a Boston to Sri Lanka flight.

Cheap Boston to Sri Lanka flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Sri Lanka

Best Price Found

$421

Fastest flight time

18h 10m

Direct flights

None

Airports in Sri Lanka

1 airport
The best one-way flight to Sri Lanka from Boston in the past 72 hours is $421. The best round-trip flight deal from Boston to Sri Lanka found on momondo in the last 72 hours is $733.
The fastest flight from Boston to Sri Lanka takes 18h 10m
There are no direct flights from Boston to Sri Lanka. Popular non-direct route for this connection is Boston Logan Intl Airport - Colombo Bandaranaike Intl Airport.
There is 1 airport near Sri Lanka: Colombo Bandaranaike Intl (CMB)
  • When did momondo last update prices for flights from Boston Logan Intl Airport to Sri Lanka?

    Prices for flights from Boston Logan Intl Airport to Sri Lanka were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Sri Lanka?

  • How old do you have to be to fly from Boston Logan Intl Airport to Sri Lanka?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Sri Lanka.

  • What documentation or ID do you need to fly to Sri Lanka?

    The travel and health documents you'll need for your trip to Sri Lanka may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sri Lanka. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Boston to Sri Lanka

Compare and see reviews for airlines that fly from Boston to Sri Lanka with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $747Free CancellationRating
7.6
968 reviews
Search Cathay Pacific flights
Etihad AirwaysPriceFrom $854Free CancellationRating
7.4
1,232 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $935Free CancellationRating
7.4
3,608 reviews
Search Qatar Airways flights
British AirwaysPriceFrom $2,502Free CancellationRating
6.6
7,266 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Sri Lanka?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Sri Lanka. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Sri Lanka with flexible booking policies on momondo?

Flights from Boston to Sri Lanka with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Sri Lanka?

Once all potential Boston to Sri Lanka flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Boston to Sri Lanka right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Sri Lanka now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sri Lanka and let you know when they change.

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1 adult
mar. 8/19
mar. 8/26

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