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Kansai Intl

$462+ Cheap flights from Massachusetts to Kansai Intl (KIX)

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KIX
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheap flight deals from Massachusetts to Kansai Intl

Keep the following information in mind while searching for Massachusetts to Kansai Intl flight deals. Data was last updated August 13, 2025.

Round-trip from

$794
(Air Canada)

One-way from

$462
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,254
From Massachusetts to Osaka Kansai Intl
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One-way flight from Massachusetts to Osaka Kansai Intl
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Highest demand for flights based on searches. 5% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Massachusetts to Kansai Intl

Cheapest flights from Massachusetts to Kansai Intl
Explore the most affordable flight options available from Massachusetts to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This Air Canada deal was found by Cheapflights users on 8/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amBOS - KIX
2 stops21h 25mAir Canada
Fri 9/196:05 pmKIX - BOS
2 stops28h 25mAir Canada
Deal found 8/12$794
This Air Canada deal was found by Cheapflights users on 8/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:45 pmBOS - KIX
1 stop34h 40mAir Canada
Wed 10/16:05 pmKIX - BOS
1 stop30h 24mAir Canada
Deal found 8/12$801
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:40 pmBOS - KIX
2 stops36h 00mMultiple Airlines
Fri 12/127:25 amKIX - BOS
2 stops40h 27mMultiple Airlines
Deal found 8/13$807
This Air Canada deal was found by Cheapflights users on 8/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:30 amBOS - KIX
2 stops22h 10mMultiple Airlines
Fri 11/217:25 amKIX - BOS
2 stops40h 27mMultiple Airlines
Deal found 8/11$808
This Air Canada deal was found by Cheapflights users on 8/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:00 amBOS - KIX
2 stops21h 25mAir Canada
Sat 10/46:05 pmKIX - BOS
2 stops28h 25mAir Canada
Deal found 8/12$813
This oojo deal was found by Cheapflights users on 8/12. 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 9/161:40 amBOS - KIX
1 stop24h 35mCathay Pacific
Wed 10/17:35 pmKIX - BOS
1 stop40h 25mCathay Pacific
Deal found 8/12$843
This oojo deal was found by Cheapflights users on 8/11. 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 9/241:40 amBOS - KIX
1 stop27h 30mCathay Pacific
Thu 10/29:10 amKIX - BOS
1 stop26h 50mCathay Pacific
Deal found 8/11$845
This Gotogate deal was found by Cheapflights users on 8/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:40 amBOS - KIX
1 stop40h 00mCathay Pacific
Wed 9/1710:00 amKIX - BOS
1 stop26h 00mCathay Pacific
Deal found 8/12$850
This oojo deal was found by Cheapflights users on 8/12. 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.
Mon 9/11:40 amBOS - KIX
1 stop22h 20mCathay Pacific
Sun 9/147:35 pmKIX - BOS
1 stop40h 25mCathay Pacific
Deal found 8/12$860
This Air Canada deal was found by Cheapflights users on 8/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:00 amBOS - KIX
2 stops21h 25mAir Canada
Thu 10/26:05 pmKIX - BOS
2 stops28h 25mAir Canada
Deal found 8/11$868
This Gurufare deal was found by Cheapflights users on 8/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:44 pmBDL - KIX
2 stops25h 36mJapan Airlines
Mon 10/279:10 pmKIX - BDL
2 stops32h 47mJapan Airlines
Deal found 8/12$1,147
This Gurufare deal was found by Cheapflights users on 8/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:10 amBDL - KIX
2 stops36h 20mJapan Airlines
Mon 11/109:10 pmKIX - BDL
2 stops34h 16mJapan Airlines
Deal found 8/12$1,162

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Kansai 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 August 13, 2025.
Use the filters below to find and compare flights from Massachusetts to Osaka Kansai Intl Airport that are best for you.

Fly from

Massachusetts

Fly to

Kansai Intl

Route

Depart

Return

Price

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Mon 9/1

5:50 am-4:25 pm

2 stops21h 35m

Osaka Kansai Intl

Wed 9/17

6:05 pm-9:30 am

2 stops28h 25m

$794

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 9/10

6:00 am-4:25 pm

2 stops21h 25m

Osaka Kansai Intl

Fri 9/19

6:05 pm-11:27 am

1 stop30h 22m

$794

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 9/17

6:30 pm-4:25 pm

2 stops32h 55m

Osaka Kansai Intl

Wed 10/1

6:05 pm-10:39 pm

1 stop17h 34m

$801

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Mon 10/13

5:44 pm-8:20 am

2 stops25h 36m

Osaka Kansai Intl

Mon 10/27

9:10 pm-4:57 pm

2 stops32h 47m

$1,147

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Sat 11/1

7:10 am-8:30 am

2 stops36h 20m

Osaka Kansai Intl

Mon 11/10

9:10 pm-5:26 pm

2 stops34h 16m

$1,162

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Sat 9/13

5:10 pm-8:25 am

2 stops26h 15m

Osaka Kansai Intl

Sat 9/27

6:40 am-4:39 pm

2 stops22h 59m

$1,164

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Sat 9/13

7:54 pm-2:50 pm

2 stops29h 56m

Osaka Kansai Intl

Sun 9/28

8:25 am-9:43 pm

2 stops26h 18m

$1,177

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Sat 11/1

7:00 am-2:55 pm

3 stops42h 55m

Osaka Kansai Intl

Mon 11/10

9:25 am-12:01 am

2 stops52h 36m

$1,184

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Fri 9/12

6:10 pm-2:50 pm

2 stops55h 40m

Osaka Kansai Intl

Sat 9/27

4:50 pm-11:30 pm

2 stops19h 40m

$1,195

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Fri 9/12

7:54 pm-2:50 pm

2 stops29h 56m

Osaka Kansai Intl

Sun 9/28

8:25 am-9:43 pm

2 stops26h 18m

$1,227

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 18 results
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Best time to book a flight from Massachusetts to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Massachusetts 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 Massachusetts to Osaka Kansai Intl Airport

What is the cheapest month to book a flight from Massachusetts to Osaka Kansai Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Massachusetts to Osaka Kansai Intl Airport (average of $873). Flying from Massachusetts to Osaka Kansai Intl Airport in June is currently the most expensive (average of $1,313). 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 MA to KIX?

Find hourly flight availability from Massachusetts to Kansai Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

When flying from Massachusetts to Osaka Kansai Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Kansai Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Massachusetts to Osaka Kansai Intl Airport?

    Most travelers choose Boston Logan Intl - Osaka Kansai Intl, Hartford Bradley Intl - Osaka Kansai Intl or Worcester - Osaka Kansai Intl when deciding on the best route from Massachusetts to Osaka Kansai Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Massachusetts to Kansai 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 Massachusetts to Osaka Kansai Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Massachusetts to Osaka Kansai Intl Airport (average of $873). Flying from Massachusetts to Osaka Kansai Intl Airport in June is currently the most expensive (average of $1,313). 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 Osaka Kansai Intl Airport?

Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locations
Izumisano
Nara
Nishinomiya
Himeji

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Massachusetts to Kansai Intl

Discover the top 6 airlines that operate flights from Massachusetts to Kansai 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$762Average$1,211FlexibilityNo cancel feeOn-time67%
DeltaCheapest$807Average$925FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$883Average$1,174FlexibilityNo cancel feeOn-time72%
ANACheapest$979Average$1,303FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,056Average$1,443FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$1,239Average$1,285FlexibilityNo cancel feeOn-time79%

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