HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kuala Lumpur Intl

$413+ Cheap flights from Boston (BOS) to Kuala Lumpur Intl (KUL)

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KUL
janv. 8 — janv. 151
jeu. 1/8
jeu. 1/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Kuala Lumpur Intl with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Kuala Lumpur Intl are usually found in September or March, booked 41 days in advance, depart on a Thursday or Monday and return on a Monday

Cheap flight deals from Boston to Kuala Lumpur Intl

Cheapest flights from Boston to Kuala Lumpur Intl
Explore the most affordable flight options available from Boston to Kuala Lumpur Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/246:14 pmBOS - KUL
2 stops47h 31mUnited Airlines
mar. 1/62:15 pmKUL - BOS
3 stops59h 31mUnited Airlines
Deal found 12/7$778
This United Airlines deal was found by Cheapflights users on 12/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/96:00 amBOS - KUL
2 stops35h 45mUnited Airlines
mar. 12/165:00 pmKUL - BOS
2 stops37h 06mUnited Airlines
Deal found 12/8$1,196
This Korean Air deal was found by Cheapflights users on 12/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/175:45 amBOS - KUL
2 stops27h 40mMultiple Airlines
mer. 12/2411:55 pmKUL - BOS
2 stops25h 04mMultiple Airlines
Deal found 12/6$1,380
This Mytrip deal was found by Cheapflights users on 12/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/97:50 pmBOS - KUL
3 stops35h 15mMultiple Airlines
mar. 12/167:05 pmKUL - BOS
3 stops36h 00mMultiple Airlines
Deal found 12/8$1,475
This KAYAK deal was found by Cheapflights users on 12/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/812:30 amBOS - KUL
1 stop23h 05mCathay Pacific
mar. 12/161:35 pmKUL - BOS
1 stop21h 25mCathay Pacific
Deal found 12/8$1,806
This Korean Air deal was found by Cheapflights users on 12/8. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/125:45 amBOS - KUL
2 stops27h 40mMultiple Airlines
mer. 12/3111:55 pmKUL - BOS
2 stops25h 04mMultiple Airlines
Deal found 12/8$1,845
This Korean Air deal was found by Cheapflights users on 12/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/205:45 amBOS - KUL
2 stops27h 40mMultiple Airlines
mer. 1/711:55 pmKUL - BOS
2 stops25h 24mMultiple Airlines
Deal found 12/7$2,051
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/2411:20 amBOS - KUL
2 stops46h 05mDelta
jeu. 1/811:55 pmKUL - BOS
2 stops35h 37mDelta
Deal found 12/7$2,106

Find flight deals from Boston to Kuala Lumpur Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Kuala Lumpur Intl (KUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated décembre 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$759
(oojo)

One-way from

$413
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$1,783
Provider with most accurate pricing for Boston Logan Intl-Kuala Lumpur Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Kuala Lumpur Intl flights.
Search Deals
From Boston Logan Intl to Kuala Lumpur Intl
Search Deals
One-way flight from Boston Logan Intl to Kuala Lumpur Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Kuala Lumpur Intl 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 décembre 9, 2025.
Use the filters below to find and compare flights from Boston to Kuala Lumpur Intl Airport that are best for you.

Fly from

Boston

Fly to

Kuala Lumpur Intl

Route

Depart

Return

Price

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

mar. 3/31

12:55 pm-9:50 pm

1 stop44h 55m

Kuala Lumpur Intl

mer. 4/29

11:10 pm-3:09 pm

2 stops27h 59m

$765

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

jeu. 1/22

1:50 pm-10:20 am

2 stops31h 30m

Kuala Lumpur Intl

lun. 1/26

2:15 pm-7:21 am

2 stops30h 06m

$770

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

mar. 2/3

1:50 pm-1:55 pm

2 stops35h 05m

Kuala Lumpur Intl

jeu. 3/5

6:30 pm-7:58 am

2 stops26h 28m

$770

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

mer. 1/21

7:55 am-1:55 pm

2 stops41h 00m

Kuala Lumpur Intl

mer. 1/28

2:15 pm-12:46 pm

3 stops35h 31m

$770

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

dim. 1/18

12:45 pm-12:15 am

2 stops46h 30m

Kuala Lumpur Intl

jeu. 1/29

8:05 am-7:39 pm

2 stops24h 34m

$792

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

mar. 3/24

7:55 am-1:55 pm

2 stops42h 00m

Kuala Lumpur Intl

mar. 3/31

4:55 pm-8:23 am

2 stops27h 28m

$822

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

mer. 1/7

7:55 am-1:55 pm

2 stops41h 00m

Kuala Lumpur Intl

mer. 1/14

2:15 pm-9:38 pm

2 stops44h 23m

$845

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

mer. 1/21

12:30 am-4:50 pm

1 stop27h 20m

Kuala Lumpur Intl

lun. 1/26

5:50 pm-10:00 pm

1 stop41h 10m

$858

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

lun. 5/11

12:55 pm-9:50 pm

1 stop44h 55m

Kuala Lumpur Intl

lun. 5/18

11:10 pm-1:53 pm

2 stops26h 43m

$878

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

dim. 3/8

5:35 pm-10:25 pm

2 stops40h 50m

Kuala Lumpur Intl

lun. 4/13

11:10 pm-5:45 pm

2 stops30h 35m

$965

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 18 results
1
2

Compare providers for flights from Boston to Kuala Lumpur Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Kuala Lumpur Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Kuala Lumpur Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Kuala Lumpur Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Kuala Lumpur Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Kuala Lumpur Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Kuala Lumpur Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Kuala Lumpur Intl

Have a flexible travel schedule? Discover the best time to fly to Kuala Lumpur Intl 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 Kuala Lumpur Intl Airport

How far ahead should I book a flight from Boston to Kuala Lumpur Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Kuala Lumpur Intl. Price data was last updated on December 5, 2025.

The price you pay for your flight from Boston to Kuala Lumpur Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Kuala Lumpur Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Boston to Kuala Lumpur Intl Airport (average of $723). Flying from Boston to Kuala Lumpur Intl Airport in December is currently the most expensive (average of $995). 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 KUL?

Find hourly flight availability from Boston to Kuala Lumpur Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated décembre 9, 2025.

One of the essential ways to save on airfare from Boston to Kuala Lumpur Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

Reviews of airlines servicing Kuala Lumpur Intl

Get insights into the airlines that provide service to Kuala Lumpur Intl. 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 Kuala Lumpur Intl. Reviews last updated décembre 9, 2025.
Get a feel of what it's like to fly with ANA, Cathay Pacific, and Qatar Airways from Boston to Kuala Lumpur Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,020 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
ANA
8.4
Very good
1,020 reviews
ANA
8.4
Very good
1,020 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Cathay Pacific
7.6
Good
1,090 reviews
ANA
8.4
Very good
1,020 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Qatar Airways
7.4
Good
3,676 reviews
ANA
8.4
Very good
1,020 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
United Airlines
7.4
Good
9,089 reviews
ANA
8.4
Very good
1,020 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Turkish Airlines
7.3
Good
4,085 reviews
ANA
8.4
Very good
1,020 reviews

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.9

Boarding

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Related info for your journey

Find useful and relevant information for your journey from Boston to Kuala Lumpur Intl. 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 Kuala Lumpur Intl?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Kuala Lumpur Intl. You should not have trouble finding flights to Kuala Lumpur Intl from Logan Intl; the airport handles an average of 0 outbound flights to Kuala Lumpur Intl per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the Boston airport to Kuala Lumpur Intl. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How long is the flight from Boston to Kuala Lumpur Intl Airport?

    For as low as $770, Korean Air can have you in Kuala Lumpur Intl Airport from Boston in 31h 30m. The distance between Boston and Kuala Lumpur Intl Airport is about 9281 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Boston to Kuala Lumpur Intl Airport round-trip?

    Cathay Pacific, at $723, was found to be the cheapest airline from Boston to Kuala Lumpur Intl Airport.Alternate airlines to your destination round-trip include Delta and ANA. Cathay Pacific is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Boston to Kuala Lumpur Intl Airport one-way?

    $436 is the cheapest one-way deal found within the past few days, from ANA. You may also be able to find cheap deals on Cathay Pacific and Qatar Airways, with prices starting from $478 and $515, respectively.

  • Can I find deals for flights from Boston to Kuala Lumpur Intl that include hotel bookings?

    Yes. In addition to deals on Boston to Kuala Lumpur Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Kuala Lumpur Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Kuala Lumpur Intl.

  • Can I find deals for business class flights from Boston to Kuala Lumpur Intl?

    Yes. Cheapflights offers flight deals from Boston to Kuala Lumpur Intl 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 Kuala Lumpur Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Boston to Kuala Lumpur Intl Airport (average of $723). Flying from Boston to Kuala Lumpur Intl Airport in December is currently the most expensive (average of $995). 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

Traveling to a place near Kuala Lumpur Intl Airport?

Book flights to Kuala Lumpur Intl Airport if you plan to visit one of these locations
Genting Highlands
Sepang
Petaling Jaya
Shah Alam
Putrajaya
Port Dickson
Puchong

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Kuala Lumpur Intl

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Kuala Lumpur Intl flights
Boston to Subang flights

Top 8 airlines flying from Boston to Kuala Lumpur Intl

Discover the top 8 airlines that operate flights from Boston to Kuala Lumpur Intl. 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 décembre 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$723Average$960FlexibilityNo cancel feeOn-time72%
DeltaCheapest$764Average$1,317FlexibilityNo cancel feeOn-timeN/A
ANACheapest$771Average$907FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$784Average$966FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$868Average$1,014FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$875Average$1,028FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$923Average$1,058FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,491Average$1,859FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.