What is the cheapest airline that flies from Massachusetts to Osaka Kansai Intl?

Air Canada and Japan Airlines are the most popular carriers operating from Massachusetts to Osaka Kansai Intl

How long does it take to fly to Osaka Kansai Intl Airport?

If you’re flying from a popular airport in Massachusetts, such as Boston or Worcester, and flying into Osaka Kansai Intl Airport, then you can expect flight times to average 19h 35m and 61h 10m, respectively.

What airlines fly to Osaka Kansai Intl Airport?

United Airlines, Cathay Pacific and ANA are the top three most popular airlines that fly to Osaka Kansai Intl Airport from Massachusetts according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Osaka Kansai Intl Airport. Keep in mind that there are 3 different airlines that fly to Osaka Kansai Intl Airport on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Massachusetts to Osaka Kansai Intl Airport?

The number of operators available for flights from Massachusetts to Osaka Kansai Intl Airport is 3 as of October 2026.

How old do you have to be to fly from Massachusetts to Osaka Kansai Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Osaka Kansai Intl Airport.

What documentation or ID do you need to fly to Osaka Kansai Intl Airport?

The travel and health documents required for your trip to Osaka Kansai Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka Kansai Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$501 Cheap Flights from Massachusetts to Osaka Kansai Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Massachusetts to Osaka

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 am - 10:20 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

26h 35m2 stops Toronto Pearson Intl Tokyo Haneda

7:25 pm - 9:45 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

28h 20m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$762Multiple Airlines

Sun, Feb 21 - Wed, Mar 3

6:35 pm - 8:25 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

35h 50m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita

3:20 pm - 2:18 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

36h 58m2 stops Tokyo Haneda Toronto Pearson Intl

$780Multiple Airlines

Mon, Jan 18 - Mon, Jan 25

5:30 am - 8:55 amBOS Boston Logan Intl-KIX Osaka Kansai Intl

37h 25m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita

6:50 am - 10:37 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

29h 47m2 stops Tokyo Haneda Toronto Pearson Intl

$780Multiple Airlines

Sun, Jan 17 - Fri, Jan 29

6:00 am - 7:30 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

23h 30m2 stops Washington, D.C. Dulles Intl Tokyo Haneda

6:35 pm - 11:39 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

19h 04m1 stop San Francisco

$835ANA

Sun, Feb 21 - Wed, Mar 3

11:52 am - 9:00 amBOS Boston Logan Intl-KIX Osaka Kansai Intl

31h 08m2 stops Chicago O'Hare Intl Tokyo Haneda

7:05 am - 7:08 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

26h 03m2 stops Tokyo Haneda Washington, D.C. Dulles Intl

$838ANA

Tue, Jan 5 - Thu, Jan 21

9:09 am - 10:20 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

23h 11m2 stops Chicago O'Hare Intl Tokyo Haneda

6:45 am - 2:25 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

21h 40m2 stops Tokyo Haneda Washington, D.C. Dulles Intl

$838ANA

Wed, Jan 6 - Wed, Jan 20

7:15 am - 7:30 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

22h 15m2 stops Newark Tokyo Haneda

6:35 pm - 8:01 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

27h 26m1 stop San Francisco

$845United Airlines

Sun, Jan 17 - Fri, Jan 29

7:15 am - 7:30 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

22h 15m2 stops Newark Tokyo Haneda

6:35 pm - 8:01 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

27h 26m1 stop San Francisco

$846United Airlines

Sun, Jan 17 - Fri, Jan 29

12:30 am - 5:40 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

27h 10m1 stop Hong Kong Intl

5:00 pm - 10:00 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

43h 00m1 stop Hong Kong Intl

$1,380Cathay Pacific

Mon, Nov 16 - Tue, Dec 1

12:30 am - 6:20 amBOS Boston Logan Intl-KIX Osaka Kansai Intl

39h 50m1 stop Hong Kong Intl

7:05 pm - 10:00 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

40h 55m1 stop Hong Kong Intl

$1,380Cathay Pacific

Tue, Feb 16 - Tue, Mar 2

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 6:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

22h 45m1 stop Los Angeles

7:25 am - 6:25 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

24h 00m1 stop Tokyo Narita

$1,020Japan Airlines

Fri, Oct 23 - Fri, Oct 30

7:00 am - 6:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

22h 45m1 stop Los Angeles

7:25 am - 7:33 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

25h 08m2 stops Tokyo Narita Chicago O'Hare Intl

$1,029Japan Airlines

Fri, Oct 23 - Fri, Oct 30

8:23 am - 6:40 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

21h 17m2 stops Chicago O'Hare Intl Tokyo Narita

6:50 am - 3:36 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

22h 46m2 stops Tokyo Haneda Chicago O'Hare Intl

$1,035Japan Airlines

Mon, Oct 26 - Mon, Nov 2

8:23 am - 6:40 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

21h 17m2 stops Chicago O'Hare Intl Tokyo Narita

9:10 pm - 3:36 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

32h 26m2 stops Tokyo Haneda Chicago O'Hare Intl

$1,039Japan Airlines

Mon, Oct 26 - Mon, Nov 2

7:10 am - 4:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

20h 35m1 stop San Francisco

6:35 pm - 7:56 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

27h 21m1 stop San Francisco

$1,073United Airlines

Mon, Oct 26 - Mon, Nov 2

5:30 am - 4:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

22h 15m2 stops Washington, D.C. Dulles Intl San Francisco

3:20 pm - 11:59 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

22h 39m3 stops Tokyo Haneda San Francisco Washington, D.C. Dulles Intl

$1,211United Airlines

Mon, Oct 26 - Mon, Nov 2

6:17 pm - 4:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

33h 28m1 stop San Francisco

6:35 pm - 11:21 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

17h 46m1 stop San Francisco

$1,345United Airlines

Fri, Oct 23 - Fri, Oct 30

1:45 am - 2:50 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

24h 05m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl

4:15 pm - 11:00 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

43h 45m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl

$1,542Cathay Pacific

Thu, Oct 22 - Fri, Oct 30

1:45 am - 2:50 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

24h 05m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl

4:15 pm - 11:00 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

43h 45m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl

$1,543Cathay Pacific

Thu, Oct 22 - Fri, Oct 30

5:30 am - 4:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

22h 15m2 stops Washington, D.C. Dulles Intl San Francisco

3:20 pm - 11:59 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

22h 39m3 stops Tokyo Haneda San Francisco Washington, D.C. Dulles Intl

$1,559United Airlines

Mon, Oct 26 - Mon, Nov 2

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ANA flights from Massachusetts to Osaka Kansai Intl Airport

Our best ANA deals on Massachusetts to Osaka Kansai Intl Airport flight tickets

ANA

Feb 21

BOS6:00 amBoston Logan Intl

23h 30m

2 stops

KIX7:30 pmOsaka Kansai Intl

Mar 3

KIX6:35 pmOsaka Kansai Intl

19h 04m

1 stop

BOS11:39 pmBoston Logan Intl

$835

ANA

Jan 5

BOS11:52 amBoston Logan Intl

31h 08m

2 stops

KIX9:00 amOsaka Kansai Intl

Jan 21

KIX7:05 amOsaka Kansai Intl

26h 03m

2 stops

BOS7:08 pmBoston Logan Intl

$838

ANA

Feb 10

BOS6:00 amBoston Logan Intl

25h 50m

2 stops

KIX9:50 pmOsaka Kansai Intl

Feb 23

KIX6:35 pmOsaka Kansai Intl

19h 04m

1 stop

BOS11:39 pmBoston Logan Intl

$839

United Airlines flights from Massachusetts to Osaka Kansai Intl Airport

Our best United Airlines deals on Massachusetts to Osaka Kansai Intl Airport flight tickets

United Airlines

Jan 17

BOS7:15 amBoston Logan Intl

22h 15m

2 stops

KIX7:30 pmOsaka Kansai Intl

Jan 29

KIX6:35 pmOsaka Kansai Intl

27h 26m

1 stop

BOS8:01 amBoston Logan Intl

$845

United Airlines

Jan 17

BOS7:15 amBoston Logan Intl

22h 15m

2 stops

KIX7:30 pmOsaka Kansai Intl

Jan 29

KIX6:35 pmOsaka Kansai Intl

27h 26m

1 stop

BOS8:01 amBoston Logan Intl

$846

United Airlines

Jan 4

BOS7:49 pmBoston Logan Intl

30h 56m

2 stops

KIX4:45 pmOsaka Kansai Intl

Jan 21

KIX3:20 pmOsaka Kansai Intl

22h 39m

3 stops

BOS11:59 pmBoston Logan Intl

$847

momondo Fare Finder

Use the filters below to find and compare flights from Massachusetts to Osaka Kansai Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Sun 2/21

5:45 am-10:20 pm

2 stops26h 35m

Osaka Kansai Intl

Wed 3/3

7:25 pm-9:45 am

2 stops28h 20m

$762

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Mon 1/18

6:35 pm-8:25 pm

2 stops35h 50m

Osaka Kansai Intl

Mon 1/25

3:20 pm-2:18 pm

2 stops36h 58m

$780

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Sun 1/17

5:30 am-8:55 am

2 stops37h 25m

Osaka Kansai Intl

Fri 1/29

6:50 am-10:37 pm

2 stops29h 47m

$780

Quickest round-trip

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Sun 2/21

6:00 am-7:30 pm

2 stops23h 30m

Osaka Kansai Intl

Wed 3/3

6:35 pm-11:39 pm

1 stop19h 04m

$835

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Tue 1/5

11:52 am-9:00 am

2 stops31h 08m

Osaka Kansai Intl

Thu 1/21

7:05 am-7:08 pm

2 stops26h 03m

$838

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Wed 1/6

9:09 am-10:20 pm

2 stops23h 11m

Osaka Kansai Intl

Wed 1/20

6:45 am-2:25 pm

2 stops21h 40m

$838

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Sun 1/17

7:15 am-7:30 pm

2 stops22h 15m

Osaka Kansai Intl

Fri 1/29

6:35 pm-8:01 am

1 stop27h 26m

$845

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Sun 1/17

7:15 am-7:30 pm

2 stops22h 15m

Osaka Kansai Intl

Fri 1/29

6:35 pm-8:01 am

1 stop27h 26m

$846

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Mon 11/16

12:30 am-5:40 pm

1 stop27h 10m

Osaka Kansai Intl

Tue 12/1

5:00 pm-10:00 pm

1 stop43h 00m

$1,380

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Tue 2/16

12:30 am-6:20 am

1 stop39h 50m

Osaka Kansai Intl

Tue 3/2

7:05 pm-10:00 pm

1 stop40h 55m

$1,380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Massachusetts to Osaka Kansai Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

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

In general, December is the cheapest month to fly from Massachusetts to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,034. If you aren’t able to travel during the month of December, then book flights to Osaka Kansai Intl Airport from Massachusetts during February instead. Flights to Osaka Kansai Intl Airport in February, while not as cheap as those in December, still average around $1,067.

Can stopping save me money on Massachusetts to Osaka Kansai Intl Airport flights?

You could potentially save up to 20% on your flight if you consider stops on a Massachusetts to Osaka Kansai Intl Airport flight.

Cheap Massachusetts to Osaka Kansai Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Osaka Kansai Intl Airport

Best Price Found	$501
Fastest flight time	19h 35m
Direct flights	None

The best one-way flight to Osaka Kansai Intl Airport from Massachusetts in the past 72 hours is $501. The best round-trip flight deal from Massachusetts to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $762.

The fastest flight from Massachusetts to Osaka Kansai Intl Airport takes 19h 35m

There are no direct flights from Massachusetts to Osaka Kansai Intl Airport. There are no popular flight routes from Massachusetts to Osaka Kansai Intl Airport.

Search flight deals

Frequently asked questions about flying from Massachusetts to Osaka Kansai Intl Airport

When did momondo last update prices for flights from Massachusetts to Osaka Kansai Intl Airport?
Prices for flights from Massachusetts to Osaka Kansai Intl Airport refresh daily.
How many operators does momondo search for flights from Massachusetts to Osaka Kansai Intl Airport?
The number of operators available for flights from Massachusetts to Osaka Kansai Intl Airport is 3 as of October 2026.
How old do you have to be to fly from Massachusetts to Osaka Kansai Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Osaka Kansai Intl Airport.
What documentation or ID do you need to fly to Osaka Kansai Intl Airport?
The travel and health documents required for your trip to Osaka Kansai Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka Kansai Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Massachusetts to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Massachusetts to Osaka Kansai Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $837	Free Cancellation	Rating 8.3 1,330 reviews	Search ANA flights
United Airlines	PriceFrom $920	Free Cancellation	Rating 7.3 10,407 reviews	Search United Airlines flights
Cathay Pacific	PriceFrom $941	Free Cancellation	Rating 7.6 1,524 reviews	Search Cathay Pacific flights

Nara

Izumisano

Himeji

Nishinomiya

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Osaka?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Massachusetts to Osaka. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Massachusetts to Osaka with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Osaka from Massachusetts with this policy.

How can momondo help me find flights from Massachusetts to Osaka?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Osaka from Massachusetts.

I’m not ready to book a flight from Massachusetts to Osaka right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Massachusetts to Osaka now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Osaka and let you know when they change.

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Flights to Tokyo Narita Airportfrom $419

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Flights to Osaka Itami Airportfrom $629

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Cheap flights from Massachusetts to Osaka from $501

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Osaka departing on 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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ANA flights from Massachusetts to Osaka Kansai Intl Airport

Our best ANA deals on Massachusetts to Osaka Kansai Intl Airport flight tickets

United Airlines flights from Massachusetts to Osaka Kansai Intl Airport

Our best United Airlines deals on Massachusetts to Osaka Kansai Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Massachusetts to Osaka Kansai Intl Airport that are best for you.

See travel insights to Osaka from

How to get the cheapest flight ticket from Massachusetts to Osaka Kansai Intl Airport

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

Can stopping save me money on Massachusetts to Osaka Kansai Intl Airport flights?

What is the cheapest airline that flies from Massachusetts to Osaka Kansai Intl?

What airlines fly to Osaka Kansai Intl Airport?

How long does it take to fly to Osaka Kansai Intl Airport?

Cheap Massachusetts to Osaka Kansai Intl Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Massachusetts to Osaka Kansai Intl Airport

Best airlines flying from Massachusetts to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Massachusetts to Osaka Kansai Intl Airport with momondo

Traveling to a place near Osaka?

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An easier way to manage your Osaka Kansai Intl Airport trip

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Find better results for your trip to Osaka

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to Osaka

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List of cabin classes available on flights landing in Osaka. Availability may vary depending on flight origin and airline.

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