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$462+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — BOS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find 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 October 29, 2025.

This lol.travel deal was found by Cheapflights users on 10/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:25 pmKIX - BOS
2 stops28h 32mAir Canada
Sun 11/165:30 amBOS - KIX
2 stops22h 10mAir Canada
Deal found 10/27$679
This Gotogate deal was found by Cheapflights users on 10/28. 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.
Wed 11/128:00 amKIX - BOS
2 stops28h 37mMultiple Airlines
Sat 11/156:40 pmBOS - KIX
2 stops33h 00mMultiple Airlines
Deal found 10/28$804
This Air Canada deal was found by Cheapflights users on 10/29. 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 12/238:00 amKIX - BOS
2 stops25h 42mMultiple Airlines
Tue 1/135:30 amBOS - KIX
2 stops25h 05mMultiple Airlines
Deal found 10/29$879
This lol.travel deal was found by Cheapflights users on 10/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:25 amKIX - BOS
1 stop26h 35mCathay Pacific
Sat 11/1512:30 amBOS - KIX
1 stop27h 20mCathay Pacific
Deal found 10/27$922
This oojo deal was found by Cheapflights users on 10/29. 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 12/236:05 pmKIX - BOS
1 stop41h 55mCathay Pacific
Mon 1/1212:30 amBOS - KIX
1 stop22h 15mCathay Pacific
Deal found 10/29$964

Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$804
(Gotogate)

One-way from

$462
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$925
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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Highest demand for flights based on searches. 11% potential increase in price ($173 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 29, 2025.
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

Wed 11/12

8:00 am-10:37 pm

2 stops28h 37m

Boston Logan Intl

Sat 11/15

6:40 pm-5:40 pm

2 stops33h 00m

$804

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 12/23

8:00 am-7:42 pm

2 stops25h 42m

Boston Logan Intl

Tue 1/13

5:30 am-8:35 pm

2 stops25h 05m

$879

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 12/23

7:05 pm-10:00 pm

1 stop40h 55m

Boston Logan Intl

Mon 1/12

12:30 am-6:20 am

1 stop39h 50m

$965

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Thu 12/25

6:05 pm-10:00 pm

1 stop41h 55m

Boston Logan Intl

Fri 1/9

12:30 am-6:20 am

1 stop39h 50m

$965

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sun 12/14

8:00 am-10:22 am

3 stops40h 22m

$462

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Thu 1/29

9:00 am-1:04 am

2 stops30h 04m

$466

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 1/14

9:10 pm-6:10 pm

3 stops59h 00m

$532

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Thu 1/15

9:10 pm-11:05 am

3 stops51h 55m

$537

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Thu 1/29

2:35 pm-4:20 pm

1 stop39h 45m

$549

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 1/17

8:00 am-9:57 am

3 stops39h 57m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 13 results
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Compare providers for flights from Kansai Intl to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansai Intl to Boston in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Osaka Kansai Intl Airport-Boston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka Kansai Intl Airport-Boston flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 40h 55m. 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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