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Cheap flights from Boston (BOS) to Kansai Intl (KIX) from $589

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — KIX
Jun 14 — Jun 211
From?
To?
Fri 6/14
Fri 6/21
1 adult, Economy
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Cheap flight deals from Boston to Kansai Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Kansai Intl (KIX). 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 9, 2024.

Popular in

December

Cheapest in

April

Round-trip from

$1,107

One-way from

$955
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 30% potential price drop
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From Boston Logan Intl to Osaka Kansai Intl
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One-way flight from Boston Logan Intl to Osaka Kansai Intl
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What is the cheapest day to fly round-trip from Boston to Osaka Kansai Intl Airport?

Flights from Boston to Osaka Kansai Intl Airport are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Osaka Kansai Intl Airport.

What is the cheapest month to fly from Boston to Osaka Kansai Intl Airport?

April can be a great time to fly to Osaka Kansai Intl Airport from Boston with a flight ticket averaging about $1,580. Cheapflights users have found deals in the month of April for as cheap as $1,012. The most expensive prices can be found in the month of December.

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

When flying from Boston to Osaka Kansai Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 82% versus a flight at noon.

Cheap Boston to Kansai Intl flights in June & July 2024

Find cheap flight options from Boston to Kansai Intl specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 9, 2024.
Check out some of the best flight deals from Boston to Osaka in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 7/96:00 amBOS - KIX
2 stops21h 20mAir Canada
Tue 7/167:00 pmKIX - BOS
2 stops27h 31mAir Canada
Deal found 6/9$1,148
Tue 7/97:40 pmBOS - KIX
1 stop31h 40mAir Canada
Tue 7/167:00 pmKIX - BOS
2 stops32h 38mAir Canada
Deal found 6/9$1,270
Tue 7/97:37 pmBOS - KIX
3 stops32h 18mMultiple Airlines
Tue 7/167:00 pmKIX - BOS
3 stops33h 20mMultiple Airlines
Deal found 6/9$1,350
Wed 7/316:20 amBOS - KIX
2 stops26h 50mJapan Airlines
Fri 8/166:40 amKIX - BOS
2 stops30h 01mJapan Airlines
Deal found 6/8$1,461
Mon 7/86:00 amBOS - KIX
2 stops21h 55mMultiple Airlines
Mon 7/157:00 amKIX - BOS
2 stops28h 39mMultiple Airlines
Deal found 6/8$1,486
Mon 7/87:40 pmBOS - KIX
2 stops31h 40mMultiple Airlines
Mon 7/1512:35 pmKIX - BOS
3 stops32h 08mMultiple Airlines
Deal found 6/8$1,542
Mon 7/86:00 amBOS - KIX
3 stops27h 15mMultiple Airlines
Mon 7/1511:55 amKIX - BOS
3 stops34h 34mMultiple Airlines
Deal found 6/8$1,552
Wed 7/3110:20 amBOS - KIX
1 stop17h 00mAir Canada
Fri 8/166:00 pmKIX - BOS
2 stops28h 38mAir Canada
Deal found 6/8$1,564
Mon 7/86:05 amBOS - KIX
1 stop21h 15mMultiple Airlines
Mon 7/157:00 amKIX - BOS
2 stops28h 39mMultiple Airlines
Deal found 6/8$1,571

Boston to Kansai Intl 2024 flight deals

Discover exclusive flight deals for travel between Boston and Kansai Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 9, 2024.
Check out some of the best flight deals from Boston to Osaka in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 9/221:45 amBOS - KIX
1 stop30h 40mCathay Pacific
Tue 10/159:10 amKIX - BOS
1 stop26h 10mCathay Pacific
Deal found 6/8$869
Sun 9/221:45 amBOS - KIX
2 stops24h 10mCathay Pacific
Tue 10/159:10 amKIX - BOS
1 stop26h 10mCathay Pacific
Deal found 6/8$885
Sun 9/221:45 amBOS - KIX
2 stops24h 10mCathay Pacific
Tue 10/154:20 pmKIX - BOS
2 stops43h 00mCathay Pacific
Deal found 6/8$916
Sat 9/211:45 amBOS - KIX
1 stop22h 15mCathay Pacific
Wed 10/239:10 amKIX - BOS
1 stop26h 10mCathay Pacific
Deal found 6/8$919
Thu 9/191:45 amBOS - KIX
1 stop39h 50mCathay Pacific
Tue 10/159:10 amKIX - BOS
1 stop26h 10mCathay Pacific
Deal found 6/9$920
Sat 9/211:45 amBOS - KIX
2 stops24h 10mCathay Pacific
Wed 10/239:10 amKIX - BOS
1 stop26h 10mCathay Pacific
Deal found 6/8$935
Thu 9/191:45 amBOS - KIX
2 stops24h 10mCathay Pacific
Tue 10/159:10 amKIX - BOS
1 stop26h 10mCathay Pacific
Deal found 6/9$936
Thu 9/191:45 amBOS - KIX
2 stops24h 10mCathay Pacific
Tue 10/154:20 pmKIX - BOS
2 stops43h 00mCathay Pacific
Deal found 6/9$966
Sat 9/71:45 amBOS - KIX
1 stop22h 15mCathay Pacific
Sat 9/219:10 amKIX - BOS
1 stop26h 10mCathay Pacific
Deal found 6/8$969

Boston to Kansai Intl flights leaving soon

Find last-minute flight options from Boston to Kansai Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 9, 2024.
Have a look at some of the flights available from Boston to Osaka departing last-minute. Tip: verify your flight details before completing your reservation.
Tue 6/1810:23 amBOS - KIX
2 stops31h 12mCathay Pacific
Thu 6/274:20 pmKIX - BOS
3 stops44h 31mCathay Pacific
Deal found 6/8$2,411
Tue 6/1810:23 amBOS - KIX
3 stops39h 32mCathay Pacific
Thu 6/274:20 pmKIX - BOS
3 stops44h 31mCathay Pacific
Deal found 6/8$2,557
Mon 6/171:45 amBOS - KIX
1 stop30h 40mCathay Pacific
Thu 6/279:10 amKIX - BOS
1 stop26h 10mCathay Pacific
Deal found 6/8$2,660
Mon 6/171:45 amBOS - KIX
2 stops24h 10mCathay Pacific
Thu 6/279:10 amKIX - BOS
1 stop26h 10mCathay Pacific
Deal found 6/8$2,676
Mon 6/171:45 amBOS - KIX
2 stops24h 10mCathay Pacific
Thu 6/279:10 amKIX - BOS
2 stops27h 41mCathay Pacific
Deal found 6/8$2,940
Mon 6/171:45 amBOS - KIX
2 stops24h 10mCathay Pacific
Thu 6/274:20 pmKIX - BOS
3 stops31h 04mCathay Pacific
Deal found 6/8$3,089
Tue 6/181:45 amBOS - KIX
1 stop39h 50mCathay Pacific
Wed 6/266:40 pmKIX - BOS
2 stops41h 02mCathay Pacific
Deal found 6/7$5,039
Tue 6/181:45 amBOS - KIX
2 stops24h 10mCathay Pacific
Wed 6/266:40 pmKIX - BOS
2 stops41h 02mCathay Pacific
Deal found 6/7$5,055
Wed 6/196:31 amBOS - KIX
2 stops35h 04mCathay Pacific
Wed 6/266:40 pmKIX - BOS
2 stops41h 02mCathay Pacific
Deal found 6/7$5,072

One-way flights to Kansai Intl from Boston

Search for one-way flight options from Boston to Kansai Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 9, 2024.
Users in need of a one-way flight from Boston to Osaka can choose from these deals. For those needing a return trip from Boston, there is a search form available above.
Thu 7/186:05 amBOS - KIX
2 stops21h 15mAir Canada
Deal found 6/9$589
Thu 10/246:10 pmBOS - KIX
2 stops33h 45mAir Canada
Deal found 6/8$638
Wed 10/24:05 pmBOS - KIX
2 stops35h 15mAir Canada
Deal found 6/7$644
Wed 10/26:00 amBOS - KIX
3 stops27h 15mMultiple Airlines
Deal found 6/7$677
Thu 7/186:00 amBOS - KIX
3 stops27h 15mMultiple Airlines
Deal found 6/9$682
Wed 10/26:05 amBOS - KIX
1 stop21h 15mAir Canada
Deal found 6/7$717
Thu 7/49:41 pmBOS - KIX
3 stops33h 29mMultiple Airlines
Deal found 6/9$815
Tue 10/11:45 amBOS - KIX
1 stop30h 40mCathay Pacific
Deal found 6/7$825
Thu 7/187:40 pmBOS - KIX
1 stop31h 40mAir Canada
Deal found 6/9$850

Find flights from Boston to Kansai Intl within your budget

Customize your flight search to find flights from Boston 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 3,020,828 searches. Data last updated June 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,387 - $2,051

Route

Depart

Return

Price

Boston Logan IntlOsaka Kansai Intl

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 9/3

3 stops33h 58m

Osaka Kansai Intl

Tue 10/15

3 stops28h 59m

$1,387

Boston Logan IntlOsaka Kansai Intl

BOS - KIX

BOSKIX

Boston Logan Intl

Sat 9/7

2 stops24h 10m

Osaka Kansai Intl

Sat 9/21

3 stops36h 56m

$1,408

Boston Logan IntlOsaka Kansai Intl

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 7/31

2 stops26h 50m

Osaka Kansai Intl

Fri 8/16

2 stops30h 01m

$1,461

Boston Logan IntlOsaka Kansai Intl

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 8/28

3 stops41h 56m

Osaka Kansai Intl

Thu 9/5

3 stops43h 58m

$1,469

Boston Logan IntlOsaka Kansai Intl

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 7/31

1 stop17h 00m

Osaka Kansai Intl

Fri 8/16

2 stops28h 38m

$1,564

Boston Logan IntlOsaka Kansai Intl

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 6/18

1 stop23h 25m

Osaka Kansai Intl

Thu 6/27

1 stop45h 00m

$1,894

Boston Logan IntlOsaka Kansai Intl

BOS - KIX

BOSKIX

Boston Logan Intl

Mon 7/8

1 stop21h 15m

Osaka Kansai Intl

Mon 7/15

1 stop22h 45m

$1,895

Boston Logan IntlOsaka Kansai Intl

BOS - KIX

BOSKIX

Boston Logan Intl

Thu 6/27

2 stops26h 35m

Osaka Kansai Intl

Mon 7/15

2 stops37h 55m

$1,934

Boston Logan IntlOsaka Kansai Intl

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 8/14

2 stops36h 10m

Osaka Kansai Intl

Fri 8/23

2 stops51h 37m

$2,051

Flights are sorted by cheapest first

Deals found on 6/8

What is the cheapest day to fly from Boston to Osaka Kansai Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Boston to Kansai Intl. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Osaka Kansai Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Boston to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Boston 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.

Temperature and rainfall in Kansai Intl by month

Plan your trip to Kansai Intl by taking into account the average temperature and rainfall totals by month.

OSA

Temperature

42.8 - 84.2 °F

If weather is an important factor for your trip to Osaka Kansai Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Kansai Intl

Get insights into the airlines that provide service to Kansai Intl. 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 Kansai Intl. Reviews last updated June 9, 2024.
See what other customers who have flown with KLM, Hawaiian Airlines and Air France from Boston to Osaka have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.4
Very good
566 reviews

Overall

8.4

Food

8.2

Entertainment

7.9

Comfort

8.1

Boarding

8.5

Crew

8.5

Reviews

1 / 10

Flight was delayed, ground crew was not helpful. There’s little communication when boarding. Food was okay. Overall experience was okay.

Asiana Airlines
8.4
Very good
566 reviews
Asiana Airlines
8.4
Very good
566 reviews

Overall

8.4

Food

8.2

Entertainment

7.9

Comfort

8.1

Boarding

8.5

Crew

8.5

Reviews

1 / 10

Flight was delayed, ground crew was not helpful. There’s little communication when boarding. Food was okay. Overall experience was okay.

Japan Airlines
8.3
Very good
1,461 reviews
Asiana Airlines
8.4
Very good
566 reviews

Overall

8.4

Food

8.2

Entertainment

7.9

Comfort

8.1

Boarding

8.5

Crew

8.5

Reviews

1 / 10

Flight was delayed, ground crew was not helpful. There’s little communication when boarding. Food was okay. Overall experience was okay.

Singapore Airlines
8.3
Very good
1,421 reviews
Asiana Airlines
8.4
Very good
566 reviews

Overall

8.4

Food

8.2

Entertainment

7.9

Comfort

8.1

Boarding

8.5

Crew

8.5

Reviews

1 / 10

Flight was delayed, ground crew was not helpful. There’s little communication when boarding. Food was okay. Overall experience was okay.

Hawaiian Airlines
8.0
Very good
2,293 reviews
Asiana Airlines
8.4
Very good
566 reviews

Overall

8.4

Food

8.2

Entertainment

7.9

Comfort

8.1

Boarding

8.5

Crew

8.5

Reviews

1 / 10

Flight was delayed, ground crew was not helpful. There’s little communication when boarding. Food was okay. Overall experience was okay.

KLM
7.9
Good
1,477 reviews
Asiana Airlines
8.4
Very good
566 reviews

Overall

8.4

Food

8.2

Entertainment

7.9

Comfort

8.1

Boarding

8.5

Crew

8.5

Reviews

1 / 10

Flight was delayed, ground crew was not helpful. There’s little communication when boarding. Food was okay. Overall experience was okay.

Related info for your journey

Find useful and relevant information for your journey from Boston to Kansai Intl. 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 from for flights from Boston to Osaka Kansai Intl?

    If you book a flight to Osaka Kansai Intl from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 0 flights from Logan Intl to Osaka Kansai Intl per day from 8 different airlines.

  • Can I find flights from Boston to Osaka Kansai Intl Airport for under $1,400 on Cheapflights?

    Yes, there are multiple flights from Boston to Osaka Kansai Intl Airport for under $1,400. The cheapest flight booked recently is on Multiple Airlines for just $1,387, but on average you can expect to pay $1,513.

  • Are there last-minute flights available from Boston to Osaka Kansai Intl Airport for under $2,500?

    There are currently 20+ open flights from Boston to Osaka Kansai Intl Airport within the next 7 days for less than $2,500.

  • What are the cheapest airlines flying from Boston to Osaka Kansai Intl Airport round-trip?

    Flying on Cathay Pacific is currently your cheapest option to Osaka Kansai Intl Airport, with prices starting at $1,408. Additional round-trip tickets that might be worth considering are offered by Japan Airlines and Singapore Airlines, with the lowest prices starting at $1,461 and $1,469, respectively. Cathay Pacific is currently priced 20% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $589. Cathay Pacific flights start at $825 while deals on American Airlines start at $955 one-way.

  • What does BOS to KIX mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Boston Logan Intl Airport to Osaka Kansai Intl Airport flight would often be abbreviated as a BOS to KIX flight.

  • Can I find deals for flights from Boston to Kansai Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Kansai Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Kansai Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Kansai Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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.

  • Can I find deals for flights from Boston to Kansai Intl that allow pets onboard?

    Many airlines flying from Boston to Kansai Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Kansai Intl?

    Yes, you can often find last-minute deals on Boston to Kansai Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to Osaka Kansai Intl Airport flight deals updated?

    The Boston to Osaka Kansai Intl Airport flight deals you see on this page were last updated on 6/9.

  • What are the most popular airlines that fly from Boston to Osaka Kansai Intl Airport?

    American Airlines, Air Canada and Cathay Pacific are the most popular airlines when flying from Boston to Osaka Kansai Intl Airport.

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

    Currently, February is the cheapest month in which you can book a flight from Boston to Osaka Kansai Intl Airport (average of $1,052). Flying from Boston to Osaka Kansai Intl Airport in July is currently the most expensive (average of $1,407). 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

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Alternative routes for Boston to Kansai Intl
See prices for flight routes from nearby airports that may be better suited for you.

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Top 8 airlines flying from Boston to Kansai Intl

Discover the top 8 airlines that operate flights from Boston 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 3,020,828 searches. Data last updated June 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$971Average$1,605FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$1,153Average$1,224FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$1,264Average$1,588FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$1,578Average$1,920FlexibilityNo cancel feeOn-time85%
ANACheapest$1,900Average$2,037FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,932Average$2,127FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$2,302Average$2,848FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$2,660Average$3,272FlexibilityNo cancel feeOn-time71%
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Search flights from Boston to Kansai Intl by cabin class

Find flights from Boston to Kansai Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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