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$422+ Cheap flights from Kansai Intl (KIX) to Boston (BOS)

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — BOS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Kansai Intl to Boston

Cheapest flights from Kansai Intl to Boston
Explore the most affordable flight options available from Kansai Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:45 am
KIX
-
BOS
1 stop26h 20m
Cathay Pacific
Fri 8/281:45 am
BOS
-
KIX
1 stop24h 30m
Cathay Pacific
Deal found 1/25$939
This Cathay Pacific deal was found by Cheapflights users on 1/24. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:45 am
KIX
-
BOS
1 stop26h 20m
Cathay Pacific
Sat 10/241:30 am
BOS
-
KIX
1 stop39h 50m
Cathay Pacific
Deal found 1/24$982
This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:25 am
KIX
-
BOS
1 stop26h 35m
Cathay Pacific
Wed 3/186:06 pm
BOS
-
KIX
3 stops31h 49m
Cathay Pacific
Deal found 1/24$1,015

Find flight deals from Kansai Intl to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Kansai Intl (KIX) to Boston (BOS). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$939
(oojo)

One-way from

$422
(Mytrip)
Provider with most accurate pricing for Osaka Kansai Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Osaka Kansai Intl-Boston Logan Intl flights.
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From Osaka Kansai Intl to Boston Logan Intl
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One-way flight from Osaka Kansai Intl to Boston Logan Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansai Intl to Boston 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 January 27, 2026.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Boston that are best for you.

Fly from

Kansai Intl

Fly to

Boston

Route

Depart

Return

Price

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 6/2

9:45 am-11:05 pm

1 stop26h 20m

Boston Logan Intl

Fri 8/28

1:45 am-3:15 pm

1 stop24h 30m

$939

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 3/11

9:25 am-11:00 pm

1 stop26h 35m

Boston Logan Intl

Wed 3/18

6:06 pm-2:55 pm

3 stops31h 49m

$1,015

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 3/13

6:05 pm-11:00 pm

1 stop41h 55m

Boston Logan Intl

Thu 3/19

1:30 am-2:55 pm

2 stops24h 25m

$1,129

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Thu 4/23

11:45 am-9:49 am

3 stops35h 04m

$422

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 3/9

8:25 pm-10:29 am

3 stops51h 04m

$451

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 3/10

8:00 am-10:29 am

3 stops39h 29m

$489

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 2/28

8:25 pm-1:12 am

3 stops42h 47m

$524

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sun 3/8

8:45 pm-5:15 pm

3 stops57h 30m

$534

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sun 5/31

12:00 pm-10:39 pm

2 stops23h 39m

$546

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 3/11

8:00 am-6:54 am

3 stops35h 54m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 13 results
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  • Most accurate provider: When it comes to deals on Osaka Kansai Intl Airport-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Osaka Kansai Intl Airport-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Osaka Kansai Intl Airport-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Osaka Kansai Intl Airport-Boston flights, Cheapflights users trust FlightHub the most. FlightHub 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 Osaka Kansai Intl Airport-Boston 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 Kansai Intl to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Kansai Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Kansai Intl to Boston. 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 into for flights to Boston from Osaka Kansai Intl?

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

  • How long is the flight from Osaka Kansai Intl Airport to Boston?

    There are many flights that can get you from Osaka Kansai Intl Airport to Boston in 26h 20m. Fly via Cathay Pacific to get the fastest option. The distance from Osaka Kansai Intl Airport to Boston is about 6872 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kansai Intl to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Boston?

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Alternative routes for Kansai Intl to Boston

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