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$505+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — BOS
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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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 julio 30, 2025.

Popular in

July

Cheapest in

October

Average price

$2,081
Highest demand for flights based on searches. 18% potential increase in price ($336 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Kansai Intl to Boston

One-way flights from Kansai Intl to Boston
Search for one-way flight options from Kansai Intl to Boston. Find affordable one-way fares based on user searches. Data last updated julio 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/237:40 amKIX - BOS
2 stops47h 00mMultiple Airlines
Deal found 7/29$505
This Korean Air deal was found by Cheapflights users on 7/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/2112:35 pmKIX - BOS
1 stop34h 35mKorean Air
Deal found 7/30$555
This oojo deal was found by Cheapflights users on 7/29. 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.
jue. 10/232:00 pmKIX - BOS
2 stops30h 53mChina Airlines
Deal found 7/29$665
This oojo deal was found by Cheapflights users on 7/29. 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.
dom. 10/2610:55 amKIX - BOS
2 stops41h 46mEVA Air
Deal found 7/29$708
This oojo deal was found by Cheapflights users on 7/30. 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.
sáb. 11/299:25 amKIX - BOS
1 stop26h 35mCathay Pacific
Deal found 7/30$787
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2012:35 pmKIX - BOS
1 stop34h 45mDelta
Deal found 7/29$1,172
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/258:45 pmKIX - BOS
1 stop22h 15mAlaska Airlines
Deal found 7/29$1,195

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 julio 30, 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

jue. 10/23

7:40 am-5:40 pm

2 stops47h 00m

$505

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

dom. 9/21

12:35 pm-10:10 am

1 stop34h 35m

$555

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

jue. 10/23

2:00 pm-7:53 am

2 stops30h 53m

$665

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

dom. 10/26

10:55 am-3:41 pm

2 stops41h 46m

$708

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

sáb. 11/29

9:25 am-10:00 pm

1 stop26h 35m

$787

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

mié. 8/20

12:35 pm-10:20 am

1 stop34h 45m

$1,172

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

lun. 8/25

8:45 pm-6:00 am

1 stop22h 15m

$1,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated julio 30, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air, and China Airlines from Osaka Kansai Intl Airport to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,222 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,222 reviews
EVA Air
8.4
Very good
1,222 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,121 reviews
EVA Air
8.4
Very good
1,222 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,222 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Alaska Airlines
8.0
Very good
10,000 reviews
EVA Air
8.4
Very good
1,222 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,980 reviews
EVA Air
8.4
Very good
1,222 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What are the cheapest airlines to fly from Osaka Kansai Intl Airport to Boston one-way?

    $555 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on China Airlines and EVA Air, with prices starting from $665 and $708, respectively.

  • 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.

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

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

See more FAQs

Traveling to a place near Boston?

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