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Kansai Intl

$403+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KIX
ene. 9 — ene. 161
vie. 1/9
vie. 1/16
1 adult, Economy
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Cheap 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 diciembre 10, 2025.

This CheapOair deal was found by Cheapflights users on 12/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/106:15 amBOS - KIX
2 stops26h 05mMultiple Airlines
dom. 12/147:00 amKIX - BOS
2 stops29h 37mMultiple Airlines
Deal found 12/9$1,141
This CheapOair deal was found by Cheapflights users on 12/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/283:40 pmBOS - KIX
2 stops34h 25mMultiple Airlines
mar. 1/132:35 pmKIX - BOS
1 stop39h 45mMultiple Airlines
Deal found 12/9$1,291
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/286:40 pmBOS - KIX
2 stops27h 55mHainan Airlines
mar. 1/132:35 pmKIX - BOS
1 stop39h 45mHainan Airlines
Deal found 12/10$1,332
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 12/241:06 pmBOS - KIX
2 stops37h 34mUnited Airlines
vie. 1/166:35 pmKIX - BOS
3 stops32h 11mUnited Airlines
Deal found 12/10$1,375
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 12/243:15 pmBOS - KIX
2 stops35h 25mUnited Airlines
sáb. 1/176:35 pmKIX - BOS
2 stops35h 02mUnited Airlines
Deal found 12/10$1,425
This United Airlines deal was found by Cheapflights users on 12/10. 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.
lun. 12/296:23 pmBOS - KIX
2 stops32h 17mUnited Airlines
lun. 1/126:35 pmKIX - BOS
1 stop17h 07mUnited Airlines
Deal found 12/10$1,427
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:15 amBOS - KIX
2 stops26h 05mMultiple Airlines
mar. 12/163:45 pmKIX - BOS
2 stops20h 52mMultiple Airlines
Deal found 12/8$1,671
This KLM deal was found by Cheapflights users on 12/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/288:50 pmBOS - KIX
1 stop24h 30mKLM
mar. 1/131:00 pmKIX - BOS
1 stop38h 30mKLM
Deal found 12/9$1,758
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/211:45 pmORH - KIX
2 stops36h 40mQatar Airways
jue. 1/15:55 pmKIX - ORH
2 stops33h 22mQatar Airways
Deal found 12/8$5,382
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/231:45 pmORH - KIX
2 stops36h 40mQatar Airways
jue. 1/15:55 pmKIX - ORH
2 stops33h 22mQatar Airways
Deal found 12/8$5,976
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/211:45 pmORH - KIX
2 stops36h 40mQatar Airways
vie. 1/25:55 pmKIX - ORH
2 stops33h 22mQatar Airways
Deal found 12/8$10,612
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/211:45 pmORH - KIX
2 stops36h 40mQatar Airways
dom. 1/45:55 pmKIX - ORH
2 stops33h 22mQatar Airways
Deal found 12/8$10,762

Find 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 diciembre 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$815
(SmartFares)

One-way from

$403
(SmartFares)

Popular in

June

Cheapest in

September

Average price

$1,243
Provider with most accurate pricing for Boston Logan Intl-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Osaka (OSA) flights.
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From Massachusetts to Osaka Kansai Intl
Search Deals
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 ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 10, 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

vie. 1/30

6:40 pm-12:35 pm

2 stops27h 55m

Osaka Kansai Intl

sáb. 2/7

2:35 pm-4:20 pm

1 stop39h 45m

$823

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

dom. 1/11

7:07 pm-4:40 pm

2 stops31h 33m

Osaka Kansai Intl

mié. 2/4

11:00 pm-12:46 pm

3 stops27h 46m

$884

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

mar. 4/21

1:40 am-6:40 am

1 stop40h 00m

Osaka Kansai Intl

mié. 5/6

10:00 am-11:00 pm

1 stop26h 00m

$966

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

jue. 1/22

6:21 pm-4:40 pm

2 stops32h 19m

Osaka Kansai Intl

jue. 1/29

8:20 am-12:46 pm

3 stops42h 26m

$986

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

vie. 1/9

6:00 am-7:25 pm

2 stops23h 25m

Osaka Kansai Intl

vie. 1/16

6:35 pm-8:10 am

1 stop27h 35m

$986

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

vie. 1/23

5:45 am-7:25 pm

2 stops23h 40m

Osaka Kansai Intl

vie. 1/30

6:35 pm-7:56 pm

1 stop39h 21m

$987

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

vie. 1/30

6:15 am-9:50 pm

2 stops25h 35m

Osaka Kansai Intl

sáb. 2/7

3:45 pm-10:37 pm

2 stops20h 52m

$995

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

dom. 1/11

11:00 am-8:45 pm

1 stop19h 45m

Osaka Kansai Intl

mié. 2/4

9:00 am-8:40 am

1 stop37h 40m

$1,002

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

sáb. 5/9

1:40 am-2:55 pm

2 stops24h 15m

Osaka Kansai Intl

mié. 5/20

10:00 am-11:00 pm

1 stop26h 00m

$1,032

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

vie. 1/23

6:00 am-7:25 pm

2 stops23h 25m

Osaka Kansai Intl

vie. 1/30

8:20 am-9:29 pm

2 stops27h 09m

$1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 38 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, September is the cheapest month in which you can book a flight from Massachusetts to Osaka Kansai Intl Airport (average of $787). Flying from Massachusetts to Osaka Kansai Intl Airport in June is currently the most expensive (average of $1,208). 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 diciembre 10, 2025.

It’s typically best to fly out from Massachusetts to Osaka Kansai Intl Airport in the evening. Doing so could potentially save you 44% on the flight price compared to flying in the afternoon, which is usually more expensive.

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.

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

    Airlines like Hainan Airlines, United Airlines, and Cathay Pacific fly from Massachusetts to Osaka Kansai Intl Airport in about 27h 55m. The time it takes to get you to your destination can typically vary by up to 12h 05m. Massachusetts and Osaka Kansai Intl Airport are separated by a distance of 6872 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, September is the cheapest month in which you can book a flight from Massachusetts to Osaka Kansai Intl Airport (average of $787). Flying from Massachusetts to Osaka Kansai Intl Airport in June is currently the most expensive (average of $1,208). 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
Nara
Izumisano
Himeji

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Alternative routes for Massachusetts to Kansai Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Kobe flights

Top 4 airlines flying from Massachusetts to Kansai Intl

Discover the top 4 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 diciembre 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$787Average$1,101FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$909Average$1,299FlexibilityNo cancel feeOn-time72%
ANACheapest$979Average$1,240FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,056Average$1,443FlexibilityNo cancel feeOn-time69%

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