$401 Find Cheap Flights from Boston to Sri Lanka

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Sri Lanka departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Boston to Sri Lanka Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Sri Lanka that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Sri Lanka

Sat, Jan 24 - Sun, Mar 1
Etihad Airways Logo
3:40 pm - 2:50 amBOS-CMB
24h 40m1 stop
Etihad Airways Logo
4:30 pm - 2:10 pmCMB-BOS
32h 10m1 stop
$870Etihad Airways
Find Deal
Sat, Jan 31 - Mon, Feb 9
Etihad Airways Logo
3:40 pm - 8:20 pmBOS-CMB
18h 10m1 stop
Etihad Airways Logo
4:00 am - 2:10 pmCMB-BOS
20h 40m1 stop
$886Etihad Airways
Find Deal
Thu, Feb 12 - Thu, Feb 19
Etihad Airways Logo
3:40 pm - 8:20 pmBOS-CMB
18h 10m1 stop
Etihad Airways Logo
4:00 am - 2:10 pmCMB-BOS
20h 40m1 stop
$894Etihad Airways
Find Deal
Mon, May 11 - Mon, May 18
Qatar Airways Logo
10:00 pm - 11:00 amBOS-CMB
27h 30m1 stop
Qatar Airways Logo
8:15 pm - 3:05 pmCMB-BOS
28h 20m1 stop
$895Qatar Airways
Find Deal
Thu, Feb 19 - Thu, Mar 12
Etihad Airways Logo
3:40 pm - 3:15 pmBOS-CMB
37h 05m1 stop
Etihad Airways Logo
4:30 pm - 3:10 pmCMB-BOS
32h 10m1 stop
$899Etihad Airways
Find Deal
Thu, Feb 19 - Wed, Mar 11
Qatar Airways Logo
8:40 pm - 2:45 amBOS-CMB
19h 35m1 stop
Qatar Airways Logo
3:25 am - 2:55 pmCMB-BOS
21h 00m1 stop
$946Qatar Airways
Find Deal
Mon, Jan 12 - Wed, Jan 21
Etihad Airways Logo
3:40 pm - 8:15 amBOS-CMB
30h 05m1 stop
Etihad Airways Logo
9:50 am - 2:10 pmCMB-BOS
38h 50m1 stop
$949Etihad Airways
Find Deal
Sat, Jan 24 - Sun, Mar 1
Etihad Airways Logo
3:40 pm - 8:20 pmBOS-CMB
18h 10m1 stop
Etihad Airways Logo
9:50 am - 2:10 pmCMB-BOS
38h 50m1 stop
$953Etihad Airways
Find Deal
Sat, Jan 24 - Sat, Feb 28
Etihad Airways Logo
3:40 pm - 8:20 pmBOS-CMB
18h 10m1 stop
Etihad Airways Logo
4:00 am - 2:10 pmCMB-BOS
20h 40m1 stop
$985Etihad Airways
Find Deal
Sat, Jan 24 - Sat, Feb 28
Etihad Airways Logo
3:40 pm - 8:15 amBOS-CMB
30h 05m1 stop
Etihad Airways Logo
4:00 am - 2:10 pmCMB-BOS
20h 40m1 stop
$986Etihad Airways
Find Deal
Booking Insights

KAYAK's insights & trends for Boston to Sri Lanka flights

Get data-powered insights and trends into flights from Boston to Sri Lanka to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Boston to Sri Lanka flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Sri Lanka from Boston found in the last 72 hours was to Colombo, at $1,260 round-trip. The most popular route is from Boston (BOS) to Colombo Bandaranaike Intl Airport (CMB), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $1,260.

What is the cheapest month to fly from Boston to Sri Lanka?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Sri Lanka, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Sri Lanka is September, when tickets cost $900 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $1,876 and $1,288 respectively.

What’s the cheapest day of the week to fly from Boston to Sri Lanka?

The average price of all round-trip flights from Boston to Sri Lanka clicked on KAYAK for each day over the last 12 months.

For Boston to Sri Lanka, Monday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Sri Lanka back to Boston, the best deals are generally found on Friday, with Monday being the most expensive.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Sri Lanka, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boston to Sri Lanka, you should book around 2 weeks before departure, which saves you about 18% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know

Low seasonOctober
Cheapest flight$401
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Boston to Colombo

FAQs - booking Sri Lanka flights

  • How does KAYAK find such low prices on flights from Boston to Sri Lanka?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Sri Lanka.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Sri Lanka?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Boston to Sri Lanka is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Sri Lanka?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Boston to Sri Lanka with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Sri Lanka?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Boston to Sri Lanka up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Sri Lanka?

    The cheapest time of day to fly to Sri Lanka is generally in the afternoon, when round-trip flights cost $1,307 on average. Morning departures are around 7% more expensive than evening flights, on average. The most expensive time of day to fly to Sri Lanka is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,509.

Reviews of the top 4 airlines serving from Boston to Sri Lanka

 
Need help choosing which airline to fly with from Boston to Sri Lanka? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
Cathay PacificOverall score based on 1068 reviews
7.8Entertainment
7.6Comfort
7.9Boarding
8.1Crew
7.3Food
Airline reviews

The staff were so friendly and accommodating. The food was great. Lots of movies to choose from as well as tv shows. Highly recommend.

10.0 ExcellentAnonymous, Nov 2025YYC - YVR
Read more Cathay Pacific reviews

The staff were so friendly and accommodating. The food was great. Lots of movies to choose from as well as tv shows. Highly recommend.

Leg room wasn't that great. Other than that it was a good flight

They downgraded me from premium economy to regular economy and me had 2 major lay over and had to have an emergency landing due to engine failure mid flight Don’t use them worst experience I have ever had still dealing with the trauma

Seats in the absolute back row of the plane even though we booked ages ago :( Crew was awesome though

they are deley vancouver to hankong 3 hour after honkong 20 hour stay there honkong not visa approved and they cant help to visa so we are stay in airport 20 hour even honkong staf very bad person they cant do for us 6 hour we arround they said you there you go there waste time next time i dont want to go cathay stay in honkong

I was only given 2 meals, and my screen showed that there were 3 meals. Second meal was 1-2 hours late according to the screen.

Great. Efficient boarding process with the face recognition. Plenty of cabin space for luggage.

The only problem I had was not being able to download my boarding passes prior to arriving at the airport. Everything else was perfect.

They ran out of food and were offering random food to passengers.

Flight was delayed at the last minute for six hours. Instead of delaying it to a normal hour, they moved it to 10 pm to essentially make it a redeye. There was no compensation or benefit offered for this inconvenience. Once on the plane, Inpaid for WiFi twice with both times it not working because of a “weak WiFi signal”, according to the flight attendants. They also chose the farther possible gates in both airports from the entrance/exit, even though they were one of the few active flights left so late in the evening. Overall it was pretty horrible.

All good. Over four hours flight if provided snacks like Qatar Airways would be better

Lobster starter in business class was not good, tough, served cold, and without butter. Movie selection was missing latest releases, did not offer older classic, high quality movies

Food was absolutely pathetic. I wasted so much food which I thought was inedible. I also loathe the inflight entertainment system which has very little content

My entire row did not have power for the full duration of a 14.5 hour flight. Could not charge any devices such as laptop or phones for the entirety of the long flight. The flight attendants tried to remedy the issue by resetting the power, but were not successful. The only other solution provided was to move me to another seat on the plane which was in the middle row. I had paid for a “preferred” seat that was a window seat. This was a downgrade being offered due to the power issue.

Nothing to complain. The staff and flight was good especially the seats which was better compared than the cloth ones on Qatar airways

I was travelling 3.5 years after. Agree Economy is no business class but the food was mediocre. Ordered a Hindu meal, the salads were bitter . The food was really below quality and had no tast from what I had in the past. Indian Railways probably have a better quality food when compared. However the kids meal was really nice and really appreciate how they were taken care of. The restrooms were dirty .

My flight was with American Airlines 120. The flight was delayed 3 hours and I missed my connection. When I arrived in Doha, the AA staff told me to call an 800 number to rebook a different flight, which was unacceptable. Eventually a Qatar Air staff member helped rebook me on a flight to Manila, that was 12 hours later. They offered me a hotel and meal voucher which I declined, because I didn’t want to leave the airport. Long story short, I spent 12 hours in the Doha airport waiting for my next flight.

Overall the experience was neat with crew being nice and caring especially to parent with kids. The free snacks option was okay. The kiosk at Philly airport didn’t work.

Reason for travelling Tampa to Orlando is to fly Qatar Airline. we end up with American Airline. This was the miserable experience I ever had in my entire travel history. Flight attendants were rude. They hit my knee with the food cart and I was holding ice pack for 2 hours. I still have the pain after a week. WE boarded the flight twice because of the temperature inside the plan.

First keep the airline as you promise. Reason for travelling from Orlando to Tampa is to go with Qatar Airline. We end up with American Airline. As expected the service was horrible.

We booked a business class ticket via Underpricer. Somehow they screwed up our ticket from Abu Dhabi to Ahmedabad. We will be hesitant to book again with them.

Same problem place in the middle so small Im 1,85 m so not good 👍

Boarding was excellent except they did last call 30 minutes earlier .

It was worst flight ever of 26h. Poor service and seating. Flight from Abu Dhabi to Islamabad service and seating was worst ever. No tv extra.

The check-in has been the very best so far I didn't get to use my priority access which made me feel like a paid a higher price with no benefit for that I loved the food Very tasty and hot The staff friendliness, empathy could be better as it was not linear amongst the whole crew Otherwise, no complaints. I'd still fly again via Etihad Great prices despite the long 6h of waiting time

It was OK as the seat which we paid for doesn’t have any window. We paid $120 for 3 seats but it’s for nothing. Crew could not help. None of the ports worked so all our phones went dry

I had a terrible experience checking in at the airport for my flight. I booked my ticket initially through Kayak while it was promoted as a ticket that offers a carry on and 2 suit cases. (I have a screen shot as a proof of it) I selected it to buy three tickets and paid online. Couple of minutes later airfare assist which is the OTA offering the ticket called me saying My card declined. So I used a different card that went through. I was surprised that they increased the price ticket by a $167. They said the ticket no longer exists and because my card declined I had to buy a new one. So I did. The day my family and I were traveling I could not check in and when I went to the airport I was shocked to be told my ticket had no bags allowed and must pay $200 per bag for three people 6 bags mean I have to pay $1200. I called the travel agency as I feel I was scammed the confirmation didn’t say anything about the bags and they never told me the new ticket doesn’t not include any bag so they changed it after I selected it on your app without informing me. Very sneaky. The travel agency said they will reimburse me only for one bag person. Which means I still paid $600 I still feel very disappointed to pay such an expense. I have always used Kayak to buy my flight tickets and telling everyone how good your rates and app are however after this I feel I was mislead and paid more for something I should not have to. You allowing such an agency on your platform will surely hurt your reputation and level of integrity. I have all the proofs from the screen shot to the confirmation email from them, the or email offering to reimburse o e bag per person and the $1200 bag fees receipts that I paid on the desk. I must be refund the full amount and I look forward to your response.

A380 First Class Apartments were phenomenal. Comfortable bed and matress cover, superior vegetarian five course meal, shower, small business lounge and plenty of exercise walking around the aircraft.

The food could be better. Toilets were smelly all along

Should have had business class line in immigration. Food quality suboptimal

Checking In on JetBlue site was impossible. It hung up on REAL ID. Even my Global Entry did not help. Luckily, on Kayak site it was a breeze. Entire flight the temperature was COLD! Otherwise the crew was great!

The flight was two hours late due to a computer fault and resulting maintenance. Nothing was offered as compensation beyond bottles of water during the time we were deplaned and waiting in the terminal.

Very pleasant flight attendants. Gate crew rather loud chatting with each other.

Four plus hour flight delay in New York caused us to take off after 11:30pm. We didn’t arrive at our hotel until five hours after check in. Started the trip off feeling exhausted.

Plane was in bad shape. TV’s and WiFi didn’t work. Plane need a refresh. Not enough room for bags.

There was a fowl odour coming from the lavatory the entire flight

Everything was great. I liked the text updates so that I never miss a gate change & I have all the latest info.

I don’t usually fly budget airlines or airlines in the United States. It was as good as any other airline. The seats are comfortable and the airline attendants are not rude & surly. Very nice flight (s).

No internet on a flight over three hours in this age is criminal. Staff inattentive and dismissive

They have the most inexperienced / rude flight staff I’ve encountered

Everything you need to know for your flight from Boston to Sri Lanka

Information on your arrival and departure airports