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$630+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,036
(Gotogate)

One-way from

$630
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$1,543
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. 18% potential increase in price ($338 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/12. 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.
Mon 9/1510:00 amKIX - BOS
1 stop26h 00mCathay Pacific
Fri 9/191:40 amBOS - KIX
1 stop40h 00mCathay Pacific
Deal found 6/12$1,036
This Gotogate deal was found by Cheapflights users on 6/12. 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.
Mon 9/156:05 pmKIX - BOS
2 stops28h 25mAir Canada
Sat 9/206:00 amBOS - KIX
1 stop21h 25mAir Canada
Deal found 6/12$1,118
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/147:35 amKIX - BOS
3 stops39h 00mMultiple Airlines
Sun 7/276:00 amBOS - KIX
3 stops47h 45mMultiple Airlines
Deal found 6/11$1,223
This KLM deal was found by Cheapflights users on 6/9. 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.
Tue 6/1012:00 pmKIX - BOS
1 stop38h 30mKLM
Tue 6/178:15 pmBOS - KIX
2 stops24h 10mKLM
Deal found 6/9$1,576
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/912:35 pmKIX - BOS
2 stops31h 05mDelta
Sat 8/2312:55 pmBOS - KIX
1 stop19h 05mDelta
Deal found 6/11$2,095
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/264:55 pmKIX - BOS
2 stops20h 00mUnited Airlines
Sat 8/24:57 pmBOS - KIX
2 stops32h 53mUnited Airlines
Deal found 6/11$2,122

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 June 12, 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

Mon 9/15

10:00 am-11:00 pm

1 stop26h 00m

Boston Logan Intl

Fri 9/19

1:40 am-6:40 am

1 stop40h 00m

$1,036

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 9/15

6:05 pm-9:30 am

2 stops28h 25m

Boston Logan Intl

Sat 9/20

6:00 am-4:25 pm

1 stop21h 25m

$1,118

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 7/14

7:35 am-9:35 am

3 stops39h 00m

Boston Logan Intl

Sun 7/27

6:00 am-6:45 pm

3 stops47h 45m

$1,223

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 8/9

12:35 pm-6:40 am

2 stops31h 05m

Boston Logan Intl

Sat 8/23

12:55 pm-9:00 pm

1 stop19h 05m

$2,095

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 7/26

4:55 pm-11:59 pm

1 stop20h 04m

Boston Logan Intl

Sat 8/2

7:12 pm-2:50 pm

2 stops30h 38m

$2,122

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Thu 6/19

7:35 am-4:41 pm

3 stops46h 06m

$630

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 11/26

6:00 pm-11:59 pm

2 stops43h 59m

$722

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 9/15

10:00 am-11:00 pm

1 stop26h 00m

$802

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 10/29

2:00 pm-11:45 pm

2 stops22h 45m

$839

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 10/27

11:55 am-10:29 pm

2 stops47h 34m

$842

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 13 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Boston

What is the cheapest time of day to fly from KIX to BOS?

Find hourly flight availability from Kansai Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Osaka Kansai Intl Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 23% versus a flight at noon.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

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
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

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
Emirates
8.1
Very good
3,264 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

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
7,946 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

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
KLM
7.8
Good
1,358 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

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 flying from Osaka Kansai Intl Airport to Boston round-trip?

    Cathay Pacific, at $1,036, was found to be the cheapest airline from Osaka Kansai Intl Airport to Boston.Alternate airlines to your destination round-trip include Air Canada and Delta.

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

    $722 is the cheapest one-way deal found within the past few days, from EVA Air. You may also be able to find cheap deals on Cathay Pacific and Delta, with prices starting from $802 and $839, 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 June is currently the most expensive (average of $306). 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
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

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