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Cheap flights from Boston to Kota Kinabalu from $1,333

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Kota Kinabalu departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Boston to Kota Kinabalu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Malaysia Airlines Logo
10:00 pm - 11:40 pm
BOS
-
BKI
37h 40m
2 stops
Malaysia Airlines Logo
9:30 am - 3:15 pm
BKI
-
BOS
41h 45m
2 stops
$1,333Malaysia Airlines
Thu, Sep 17 - Mon, Sep 21
Cathay Pacific Logo
1:45 am - 12:30 am
BOS
-
BKI
34h 45m
1 stop
Cathay Pacific Logo
1:15 am - 11:05 pm
BKI
-
BOS
33h 50m
1 stop
$1,570Cathay Pacific
Wed, Sep 16 - Sun, Sep 20
Cathay Pacific Logo
1:45 am - 12:30 am
BOS
-
BKI
34h 45m
1 stop
Cathay Pacific Logo
1:15 am - 11:05 pm
BKI
-
BOS
33h 50m
1 stop
$1,610Cathay Pacific
Wed, Sep 16 - Sun, Sep 20
Cathay Pacific Logo
1:45 am - 12:30 am
BOS
-
BKI
34h 45m
1 stop
Cathay Pacific Logo
1:15 am - 11:05 pm
BKI
-
BOS
33h 50m
1 stop
$1,611Cathay Pacific
Wed, Sep 16 - Sun, Sep 20
Multiple Airlines Logo
9:50 pm - 2:35 pm
BOS
-
BKI
28h 45m
2 stops
Multiple Airlines Logo
11:20 am - 7:55 pm
BKI
-
BOS
44h 35m
2 stops
$1,755Multiple Airlines
Wed, Jun 17 - Sun, Jun 28
Qatar Airways Logo
10:00 pm - 9:35 pm
BOS
-
BKI
35h 35m
2 stops
Qatar Airways Logo
5:20 am - 3:15 pm
BKI
-
BOS
45h 55m
2 stops
$1,859Qatar Airways
Wed, Jun 17 - Sun, Jun 28
Qatar Airways Logo
6:30 am - 12:40 am
BOS
-
BKI
30h 10m
3 stops
Qatar Airways Logo
10:20 pm - 3:15 pm
BKI
-
BOS
28h 55m
2 stops
$2,328Qatar Airways
Wed, Jun 17 - Sun, Jun 28
Multiple Airlines Logo
1:45 am - 12:30 am
BOS
-
BKI
34h 45m
1 stop
Multiple Airlines Logo
9:30 am - 11:05 pm
BKI
-
BOS
25h 35m
2 stops
$2,690Multiple Airlines
Tue, Jun 16 - Sun, Jun 28
Cathay Pacific Logo
1:45 am - 12:30 am
BOS
-
BKI
34h 45m
1 stop
Cathay Pacific Logo
1:15 am - 11:05 pm
BKI
-
BOS
33h 50m
1 stop
$2,736Cathay Pacific
Tue, Jun 16 - Sat, Jun 27
Multiple Airlines Logo
1:45 am - 5:00 pm
BOS
-
BKI
27h 15m
2 stops
Multiple Airlines Logo
1:15 am - 11:05 pm
BKI
-
BOS
33h 50m
1 stop
$2,901Multiple Airlines
Tue, Jun 16 - Sat, Jun 27

Cathay Pacific flights from Boston to Kota Kinabalu

Our best Cathay Pacific deals on Boston to Kota Kinabalu flight tickets
Cathay Pacific
Sep 16
BOS1:45 amBoston Logan Intl
34h 45m
1 stop
BKI12:30 amKota Kinabalu
Sep 20
BKI1:15 amKota Kinabalu
33h 50m
1 stop
BOS11:05 pmBoston Logan Intl
$1,570
Cathay Pacific
Sep 16
BOS1:45 amBoston Logan Intl
34h 45m
1 stop
BKI12:30 amKota Kinabalu
Sep 20
BKI1:15 amKota Kinabalu
33h 50m
1 stop
BOS11:05 pmBoston Logan Intl
$1,610
Cathay Pacific
Sep 16
BOS1:45 amBoston Logan Intl
34h 45m
1 stop
BKI12:30 amKota Kinabalu
Sep 20
BKI1:15 amKota Kinabalu
33h 50m
1 stop
BOS11:05 pmBoston Logan Intl
$1,611

Qatar Airways flights from Boston to Kota Kinabalu

Our best Qatar Airways deals on Boston to Kota Kinabalu flight tickets
Qatar Airways
Jun 17
BOS10:00 pmBoston Logan Intl
35h 35m
2 stops
BKI9:35 pmKota Kinabalu
Jun 28
BKI5:20 amKota Kinabalu
45h 55m
2 stops
BOS3:15 pmBoston Logan Intl
$1,859
Qatar Airways
Jun 17
BOS6:30 amBoston Logan Intl
30h 10m
3 stops
BKI12:40 amKota Kinabalu
Jun 28
BKI10:20 pmKota Kinabalu
28h 55m
2 stops
BOS3:15 pmBoston Logan Intl
$2,328

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Kota Kinabalu 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 March 22, 2026.
Use the filters below to find and compare flights from Boston to Kota Kinabalu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Thu 9/17

10:00 pm-11:40 pm

2 stops37h 40m

Kota Kinabalu

Mon 9/21

9:30 am-3:15 pm

2 stops41h 45m

$1,333

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Wed 9/16

1:45 am-12:30 am

1 stop34h 45m

Kota Kinabalu

Sun 9/20

1:15 am-11:05 pm

1 stop33h 50m

$1,570

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Wed 9/16

1:45 am-12:30 am

1 stop34h 45m

Kota Kinabalu

Sun 9/20

1:15 am-11:05 pm

1 stop33h 50m

$1,610

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Wed 9/16

1:45 am-12:30 am

1 stop34h 45m

Kota Kinabalu

Sun 9/20

1:15 am-11:05 pm

1 stop33h 50m

$1,611

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Wed 6/17

9:50 pm-2:35 pm

2 stops28h 45m

Kota Kinabalu

Sun 6/28

11:20 am-7:55 pm

2 stops44h 35m

$1,755

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Wed 6/17

10:00 pm-9:35 pm

2 stops35h 35m

Kota Kinabalu

Sun 6/28

5:20 am-3:15 pm

2 stops45h 55m

$1,859
Quickest round-trip

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Wed 6/17

6:30 am-12:40 am

3 stops30h 10m

Kota Kinabalu

Sun 6/28

10:20 pm-3:15 pm

2 stops28h 55m

$2,328

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Tue 6/16

1:45 am-12:30 am

1 stop34h 45m

Kota Kinabalu

Sun 6/28

9:30 am-11:05 pm

2 stops25h 35m

$2,690

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Tue 6/16

1:45 am-12:30 am

1 stop34h 45m

Kota Kinabalu

Sat 6/27

1:15 am-11:05 pm

1 stop33h 50m

$2,736

BostonKota Kinabalu

BOS - BKI

BOSBKI

Boston Logan Intl

Tue 6/16

1:45 am-5:00 pm

2 stops27h 15m

Kota Kinabalu

Sat 6/27

1:15 am-11:05 pm

1 stop33h 50m

$2,901

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Boston to Kota Kinabalu

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Kota Kinabalu according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Kota Kinabalu (BOS to BKI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Kota Kinabalu

Fastest flight time

28h 45m

Direct flights

None
The fastest flight from Boston to Kota Kinabalu takes 28h 45m
There are no direct flights from Boston to Kota Kinabalu. There are no popular flight routes from Boston to Kota Kinabalu.
Search flight deals

  • How far is Boston Logan Intl to Kota Kinabalu by plane?

    A flight from Boston Logan Intl to Kota Kinabalu will travel around 9060.8 mi. Flights usually cover this in 28h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Kota Kinabalu Airport?

    Prices for flights from Boston Logan Intl Airport to Kota Kinabalu Airport refresh daily.

  • How old do you have to be to fly from Boston Logan Intl Airport to Kota Kinabalu Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Kota Kinabalu Airport.

  • What documentation or ID do you need to fly to Kota Kinabalu Airport?

    The travel and health documents required for your trip to Kota Kinabalu Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kota Kinabalu Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Boston to Kota Kinabalu?

    Confirm your travel details to search for the latest offers for flights from Boston to Kota Kinabalu. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Boston to Kota Kinabalu with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Kota Kinabalu?

It is quick and easy to find Boston to Kota Kinabalu flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kota Kinabalu that suits you.

Can I find flights from Boston to Kota Kinabalu with flexible booking policies on momondo?

Flights from Boston to Kota Kinabalu 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 Kota Kinabalu?

momondo helps you find the best flight between Boston and Kota Kinabalu by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Boston to Kota Kinabalu flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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