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$533+ Cheap flights from Kansai Intl (KIX) to Massachusetts

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — BOS
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheap flight deals from Kansai Intl to Massachusetts

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

Round-trip from

$868
(Delta)

One-way from

$533
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$1,414
From Osaka Kansai Intl to Massachusetts
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One-way flight from Osaka Kansai Intl to Massachusetts
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Highest demand for flights based on searches. 14% potential increase in price ($248 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($73 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 Kansai Intl to Massachusetts

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

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:35 pmKIX - BOS
2 stops23h 27mDelta
Mon 9/156:35 pmBOS - KIX
2 stops33h 20mDelta
Deal found 8/13$868
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:35 pmKIX - BOS
1 stop34h 35mKorean Air
Mon 9/1512:55 pmBOS - KIX
1 stop39h 00mKorean Air
Deal found 8/13$911
This JTB 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 JTB is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:20 pmKIX - BOS
2 stops43h 40mCathay Pacific
Sun 9/141:40 amBOS - KIX
1 stop30h 35mCathay Pacific
Deal found 8/13$1,013
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.
Fri 9/269:10 amKIX - BOS
1 stop26h 50mCathay Pacific
Thu 10/21:40 amBOS - KIX
1 stop24h 35mCathay Pacific
Deal found 8/12$1,015
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:45 pmKIX - BOS
1 stop42h 15mCathay Pacific
Fri 10/31:40 amBOS - KIX
1 stop22h 20mCathay Pacific
Deal found 8/13$1,051
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:35 amKIX - BOS
3 stops29h 22mMultiple Airlines
Mon 9/156:00 amBOS - KIX
2 stops21h 25mMultiple Airlines
Deal found 8/13$1,082
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/272:20 pmKIX - BOS
1 stop39h 20mMultiple Airlines
Sat 10/46:55 pmBOS - KIX
2 stops32h 30mMultiple Airlines
Deal found 8/13$1,124
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.
Fri 9/266:05 pmKIX - BOS
1 stop17h 34mAir Canada
Fri 10/36:00 amBOS - KIX
2 stops24h 30mAir Canada
Deal found 8/12$1,131

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansai Intl to Massachusetts 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 Osaka Kansai Intl Airport to Massachusetts that are best for you.

Fly from

Kansai Intl

Fly to

Massachusetts

Route

Depart

Return

Price

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 9/12

12:35 pm-11:02 pm

2 stops23h 27m

Boston Logan Intl

Mon 9/15

6:35 pm-4:55 pm

2 stops33h 20m

$868

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 9/12

12:35 pm-10:10 am

1 stop34h 35m

Boston Logan Intl

Mon 9/15

12:55 pm-4:55 pm

1 stop39h 00m

$911

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 9/12

4:20 pm-11:00 pm

2 stops43h 40m

Boston Logan Intl

Sun 9/14

1:40 am-9:15 pm

1 stop30h 35m

$1,013

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 9/26

9:10 am-11:00 pm

1 stop26h 50m

Boston Logan Intl

Thu 10/2

1:40 am-3:15 pm

1 stop24h 35m

$1,015

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 9/27

5:45 pm-11:00 pm

1 stop42h 15m

Boston Logan Intl

Fri 10/3

1:40 am-1:00 pm

1 stop22h 20m

$1,051

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 9/12

7:35 am-11:57 pm

3 stops29h 22m

Boston Logan Intl

Mon 9/15

6:00 am-4:25 pm

2 stops21h 25m

$1,082

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 9/27

2:20 pm-4:40 pm

1 stop39h 20m

Boston Logan Intl

Sat 10/4

6:55 pm-4:25 pm

2 stops32h 30m

$1,124

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 9/26

6:05 pm-10:39 pm

1 stop17h 34m

Boston Logan Intl

Fri 10/3

6:00 am-7:30 pm

2 stops24h 30m

$1,131

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 10/24

8:55 pm-10:53 pm

3 stops38h 58m

$533

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 11/29

2:35 pm-4:20 pm

1 stop39h 45m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 17 results
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Best time to book a flight from Kansai Intl to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts 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.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Massachusetts
No data available for this route at this time. Please check back soon.

Related info for your journey

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Massachusetts (average of $218). Flying from Osaka Kansai Intl Airport to Massachusetts in July is currently the most expensive (average of $311). 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.

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Alternative routes for Kansai Intl to Massachusetts

See prices for flight routes from nearby airports that may be better suited for you.
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