$378 Find Cheap Flights from Boston to Southeast Asia

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 Southeast Asia departing on 11/3. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Southeast Asia.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Southeast Asia.
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Cheap Flights from Boston to Southeast Asia

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Bangkok
Bangkok2 stops$786
Manila
Manila1 stop$798
Ho Chi Minh City
Ho Chi Minh City3 stops$813
Singapore
Singapore2 stops$858
Denpasar
Denpasar2 stops$932
Kuala Lumpur
Kuala Lumpur1 stop$758
Hanoi
Hanoi1 stop$743
Phuket City
Phuket City1 stop$791
Cebu City
Cebu City1 stop$749
Da Nang
Da Nang2 stops$904
Chiang Mai
Chiang Mai2 stops$883
Angeles City
Angeles City1 stop$756
Ko Samui
Ko Samui2 stops$961
Vientiane
Vientiane2 stops$1,064
Davao City
Davao City2 stops$1,659
Krabi
Krabi2 stops$934
Bangkok
Bangkok2 stops$786
Manila
Manila1 stop$798
Ho Chi Minh City
Ho Chi Minh City3 stops$813
Singapore
Singapore2 stops$858
Denpasar
Denpasar2 stops$932
Kuala Lumpur
Kuala Lumpur1 stop$758
Hanoi
Hanoi1 stop$743
Phuket City
Phuket City1 stop$791
Cebu City
Cebu City1 stop$749
Da Nang
Da Nang2 stops$904
Chiang Mai
Chiang Mai2 stops$883
Angeles City
Angeles City1 stop$756
Ko Samui
Ko Samui2 stops$961
Vientiane
Vientiane2 stops$1,064
Davao City
Davao City2 stops$1,659
Krabi
Krabi2 stops$934

Book Cheap Boston to Southeast Asia 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 Southeast Asia 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 Southeast Asia

Mon, Nov 24 - Wed, Dec 3
Korean Air Logo
11:00 am - 9:45 pmBOS-HAN
22h 45m1 stop
Korean Air Logo
12:20 pm - 8:40 amHAN-BOS
32h 20m1 stop
$743Korean Air
Find Deal
Wed, Nov 19 - Wed, Nov 26
Korean Air Logo
11:00 am - 11:10 amBOS-HAN
36h 10m1 stop
Korean Air Logo
11:05 pm - 8:40 amHAN-BOS
21h 35m1 stop
$758Korean Air
Find Deal
Tue, Jan 13 - Thu, Jan 22
Cathay Pacific Logo
12:30 am - 4:50 pmBOS-KUL
27h 20m1 stop
Cathay Pacific Logo
8:15 am - 10:00 pmKUL-BOS
26h 45m1 stop
$758Cathay Pacific
Find Deal
Tue, Nov 11 - Thu, Nov 27
Cathay Pacific Logo
12:30 am - 10:05 amBOS-HAN
21h 35m1 stop
Cathay Pacific Logo
11:05 am - 10:00 pmHAN-BOS
22h 55m1 stop
$763Cathay Pacific
Find Deal
Wed, Jan 14 - Thu, Jan 22
United Airlines Logo
8:15 am - 12:15 amBOS-KUL
27h 00m2 stops
United Airlines Logo
6:30 pm - 5:13 pmKUL-BOS
35h 43m2 stops
$773United Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
United Airlines Logo
8:30 am - 12:15 amBOS-KUL
50h 45m2 stops
United Airlines Logo
6:30 pm - 9:43 pmKUL-BOS
40h 13m2 stops
$780United Airlines
Find Deal
Mon, Apr 6 - Mon, May 4
Qatar Airways Logo
10:00 pm - 12:55 pmBOS-BKK
27h 55m1 stop
Qatar Airways Logo
8:00 pm - 3:05 pmBKK-BOS
30h 05m1 stop
$796Qatar Airways
Find Deal
Sun, Jan 11 - Sun, Mar 22
Qatar Airways Logo
8:40 pm - 1:05 pmBOS-BKK
28h 25m1 stop
Qatar Airways Logo
2:00 am - 2:55 pmBKK-BOS
23h 55m1 stop
$801Qatar Airways
Find Deal
Fri, Jan 23 - Wed, Feb 18
Japan Airlines Logo
12:15 pm - 11:55 pmBOS-CGK
23h 40m1 stop
Japan Airlines Logo
9:25 pm - 5:35 pmCGK-BOS
32h 10m1 stop
$965Japan Airlines
Find Deal
Mon, Feb 2 - Wed, Feb 18
Japan Airlines Logo
12:15 pm - 4:55 pmBOS-CGK
40h 40m1 stop
Japan Airlines Logo
9:25 pm - 5:35 pmCGK-BOS
32h 10m1 stop
$973Japan Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Boston to Southeast Asia flights

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

Can I save money by flying with a layover from Boston to Southeast Asia?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $425, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Boston to Southeast Asia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Southeast Asia, 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 Southeast Asia is September, when tickets cost $923 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $1,436 and $1,344 respectively.

What’s the cheapest day of the week to fly from Boston to Southeast Asia?

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

If you are looking for a flight deal from Boston to Southeast Asia, look for departures on Sundays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Southeast Asia, Monday is the cheapest day to fly and Friday is the most expensive.

How far in advance should I book a flight from Boston to Southeast Asia?

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 Southeast Asia, 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 Southeast Asia, you should book around 2 weeks before departure, which saves you about 12% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flight$378
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Boston to Kuala Lumpur Airport

FAQs - booking Southeast Asia flights

  • How does KAYAK find such low prices on flights from Boston to Southeast Asia?

    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 Southeast Asia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Boston to Southeast Asia 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 Southeast Asia?

    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 Southeast Asia 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 Southeast Asia?

    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 Southeast Asia 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 Southeast Asia?

    The cheapest time of day to fly to Southeast Asia is generally in the morning, when round-trip flights cost $1,089 on average. Morning departures are around 12% cheaper than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally in the evening, which is peak travel time and where the average cost of a ticket is $1,232.

Reviews of the top 5 airlines serving from Boston to Southeast Asia

 
See real verified KAYAK customer reviews for airlines flying from Boston to Southeast Asia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Southeast Asia? 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.
8.4
Korean AirOverall score based on 1153 reviews
8.3Comfort
8.7Crew
8.5Boarding
8.2Entertainment
8.1Food
Airline reviews

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

8.0 ExcellentMatt, Aug 2025ATL - EWR
Read more Korean Air reviews

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

This was an amazing flight. The crew was great. The service was great. The food provided was great.

I was unable to select decent seats, and so I was stuck in the middle seat because it was selected for me

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

Stingy on the drinks - 15 hour direct flight and could barely get attention for some water

Not many people, so you can lay down on two seats

They were very accommodating of a dietary issue. Nice movie & tv selections. Non-stop helped get through a very long (15 hr) flight

The delay in Korea was a pain and set us back a day. I have to give big props to Korean Air for setting up a hotel with dinner and transportation to and from the hotel. I also needed assistance with a wheelchair and they did an outstanding job.

Japan Airlines was excellent as usual once on the plane. Cabin crew was wonderful as usual. Boarding was solid on the Honolulu leg. For Thai Airways the boarding was less organized. I was in an earlier group but they weren’t clear with the numbers or instructions. Flight crew from Japan to Thailand was very good.

Terrible. Our flight was delayed by 15 hours. We lost a full day of our vacation.

Not good. The flight from LAX to Tokyo was delayed 15 hours.

highly recommend for trip to japan only reason why i gave good not excellent is because their selection of movies and tv shows in English is more limited .

I avoid American Airlines for a reason. Our flight was delayed at LAX. The situation at the gate was chaotic. The woman making announcements wasn't being clear or transparent regarding why there were delays. There was a lot of confusion regarding flight and gate status. Other passengers were pretty rude. I was elbowed in the eye by someone who was in a hurry to get their bags from the overhead bin immediately after the flight landed. Ultimately, I will avoid AA as much as possible in the future.

Overall a great experience. One complain was the vegetarian food that my wife had which was mostly boiled vegetables with not much flavor.

We booked business class round trip from Delhi to San Diego and back. On our last leg from Bangalore to Delhi we were down graded to economy class which was big disappointment other than that everything was great.

Had an incident with a stewardess who insisted that I take a seat. I informed her that I came to use the restroom and to have some water. After using the restroom, I wanted to stretch my legs out a little cuz my knees were aching from sitting. I understood her concern for my concern and the potential turbulence (she said she knows this route and the turbulence and safety is not to be taken lightly) but I felt that her mood, tone, demeanor, and a lack of compassion for the pain in my knees were not the proper way to address a customer or anyone for that matter. This left a bitter taste in my mouth. It was her lack of professionalism that surprised me.

It was good but need mor amenities for toiletries and entertainment

for a such long and tiresome flight with halt of 10 hrs. during night Indigo should provide night stay arrangeement to such transit passengers we both are senior citizens of nealy 75 with some diability. any responsible air line should provide such arrangements.

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

Boarding at the airport was not well managed. Otherwise, had a good flight sitting in the first row (which I paid for). Crew was pretty friendly, and flight was smooth.

There was a flight attendant named Angela who took care of me because I injured my foot badly right before the flight. Because of the service she provided I will always fly Cathay.

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.

Check in process at the kiosk, crew in flight and overall comfort was good. Food selection could have been better. Flight from Hong Kong to Los Angeles did not have any vegetarian main course option, it was either sea food or chicken. Being a vegetarian I could only eat yogurt and fruit. Most international flights have one vegetarian main course dish which I found missing in Cathay Pacific menu.

Paid a premium a have a shorter transit time in Hong Kong, but Cathay pacific rebooked me and ended up waiting for 10 hrs in Hong Hong airport.

Cabin crew is very helpful and nice, it is another level of service compared to Air Canada

Entertainment for kids was good. Good was terrible, needs lots of work.

I had high expectations but met with a below average experience. I hope the Airline will take a notice and improve.

Special request meals are really below average. Vegetarian options are very limited if you didn't prebook.

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.

Not sure how we end up with American Airlines instead of Qatar Airways. From Philadelphia to Qatar they boarded us then they asked us to unload. After 30 minutes later they board us again. The inside the plane it was burning hot and we were sweating like crazy. Crew members are absolute rude. The way they served the passengers were horrible. One of the crew members hit my knee with food cart and kept going. I was holding an ice pack for almost 2 hours. I am still with the pain.

Same as last comment. Food sucks. Quality. Not surprising most people have no clue about nourishment Clearly

Not the fault of United—weather, reroute around weather, time sitting on tarmac, arrived couple hours late, too late for train into city necessitating a much pricier cab but weather…can’t be helped.

Friendly and professional flight crew. Aside from departure delay after boarding, easy flight and smooth landing.

Great smooth flight. Had a seating change, but that was an improvement. Thanks United Airways Crew.

The flight attendants were great, I joked with one I can’t remember her name, a blond, really sweet. I thought it was run well very professional. This was great i survived Spirit, I know for which I speak.

My husband and I recently had an unfortunate experience with Lufthansa. At the Philadelphia International airport, the ground staff refused to board us because we didn’t have a current visa stamped on our passports for Frankfurt. We completely understand that this was our mistake. we should have double-checked the visa requirements before our trip. However, the issue that upset us most was how the situation was handled by the staff. They told us they would mark it as “boarding denied due to visa issue”, but instead they recorded it as “no show”. Because of that incorrect entry, our return flight was automatically cancelled as well, which caused additional stress and expense. Mistakes can happen, but we expected more transparency and accuracy from a reputed airline like Lufthansa. It would have made a big difference if the staff had been more careful and considerate in documenting the situation correctly.

Flight was good but there are way to many announcements for credit cards etc.

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

Flight was timely, relatively comfortable, with decent entertainment and food served. Only problem encountered was with the free messaging which I highly appreciate, but it did not work from iphone to non-iphones.

Better WiFi. I cannot understand that in 2025, United is so behind on a technology that is now a necessity and still painfully unreliable, slow and keeps disconnecting.

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