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 18h 25m and 35h 09m, 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 34% of people opting to fly with this airline when traveling to Osaka Kansai Intl Airport. Keep in mind that there are 4 different airlines that fly to Osaka Kansai Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Japan Airlines is the most popular carrier operating from Massachusetts to Osaka Kansai Intl

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 4 as of September 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.

$538 Cheap Flights from Massachusetts to Osaka Kansai Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Massachusetts to Osaka

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

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

7:25 pm - 10:10 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

27h 45m2 stops Vancouver Intl Toronto Pearson Intl

$858Multiple Airlines

Tue, Feb 16 - Wed, Mar 17

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

$891Multiple Airlines

Mon, Feb 1 - Tue, Feb 9

7:40 pm - 7:30 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

33h 50m2 stops Toronto Pearson Intl Tokyo Haneda

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

39h 00m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$893Air Canada

Sat, Feb 20 - Thu, Mar 25

5:45 am - 7:30 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

23h 45m2 stops Toronto Pearson Intl Tokyo Haneda

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

39h 00m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$893Air Canada

Tue, Feb 23 - Thu, Mar 25

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

33h 00m2 stops Los Angeles Los Angeles San Francisco

3:20 pm - 11:49 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

22h 29m3 stops Tokyo Haneda San Francisco Washington, D.C. Dulles Intl

$1,031United Airlines

Mon, Jan 11 - Tue, Feb 2

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

22h 15m2 stops Newark Tokyo Haneda

3:20 pm - 7:12 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

29h 52m2 stops Tokyo Haneda Los Angeles Los Angeles

$1,032United Airlines

Sun, Jan 24 - Thu, Jan 28

6:00 am - 4:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

20h 45m1 stop San Francisco

9:00 pm - 6:49 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

35h 49m2 stops Tokyo Haneda Washington, D.C. Dulles Intl

$1,044ANA

Tue, Dec 29 - Sat, Jan 16

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

21h 15m1 stop San Francisco

9:00 pm - 12:47 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

29h 47m2 stops Tokyo Haneda Chicago O'Hare Intl

$1,047ANA

Thu, Feb 11 - Fri, Feb 12

12:30 am - 12:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

22h 15m1 stop Hong Kong Intl

9:50 am - 11:00 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

26h 10m1 stop Hong Kong Intl

$1,381Cathay Pacific

Tue, Feb 23 - Mon, Mar 22

12:30 am - 12:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

22h 15m1 stop Hong Kong Intl

9:50 am - 11:00 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

26h 10m1 stop Hong Kong Intl

$1,381Cathay Pacific

Tue, Feb 23 - Tue, Mar 23

Cheap last minute flights

Enter your travel dates to find the best prices.

6:50 pm - 4:25 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

32h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

6:00 pm - 10:40 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

17h 40m1 stop Toronto Pearson Intl

$906Air Canada

Sat, Sep 12 - Fri, Sep 25

6:50 pm - 4:25 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

32h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

6:00 pm - 9:50 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

28h 50m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$909Air Canada

Sat, Sep 12 - Fri, Sep 25

6:00 am - 4:25 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

21h 25m1 stop Toronto Pearson Intl

6:00 pm - 9:55 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

28h 55m1 stop Toronto Pearson Intl

$931Air Canada

Sat, Sep 12 - Fri, Sep 25

12:55 pm - 10:40 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

20h 45m1 stop Incheon Intl

2:15 am - 10:10 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

20h 55m1 stop Incheon Intl

$1,008Korean Air

Sun, Sep 13 - Mon, Sep 28

6:30 am - 6:45 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

23h 15m1 stop Los Angeles Los Angeles

7:35 am - 6:10 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

23h 35m1 stop Tokyo Narita

$1,025Japan Airlines

Sat, Sep 12 - Fri, Sep 25

7:46 am - 7:50 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

23h 04m2 stops Chicago O'Hare Intl Tokyo Narita

4:55 pm - 10:57 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

19h 02m1 stop San Francisco

$1,041ANA

Sun, Sep 13 - Tue, Sep 29

6:00 am - 2:50 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

19h 50m1 stop San Francisco

4:55 pm - 6:11 amKIX Osaka Kansai Intl-BOS Boston Logan Intl

26h 16m1 stop San Francisco

$1,054United Airlines

Sun, Sep 13 - Thu, Oct 8

6:00 am - 2:50 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

19h 50m1 stop San Francisco

4:55 pm - 10:57 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

19h 02m1 stop San Francisco

$1,054United Airlines

Sun, Sep 13 - Tue, Oct 6

7:45 am - 2:50 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

42h 05m1 stop San Francisco

4:55 pm - 10:57 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

19h 02m1 stop San Francisco

$1,055ANA

Sun, Sep 13 - Sun, Sep 27

6:00 am - 9:15 pmBOS Boston Logan Intl-KIX Osaka Kansai Intl

26h 15m2 stops New York John F Kennedy Intl Hong Kong Intl

4:15 pm - 4:55 pmKIX Osaka Kansai Intl-BOS Boston Logan Intl

37h 40m3 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl New York John F Kennedy Intl

$34,453Cathay Pacific

Sat, Sep 12 - Tue, Sep 22

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 24

BOS7:15 amBoston Logan Intl

22h 15m

2 stops

KIX7:30 pmOsaka Kansai Intl

Jan 28

KIX3:20 pmOsaka Kansai Intl

22h 29m

3 stops

BOS11:49 pmBoston Logan Intl

$1,032

United Airlines

Jan 24

BOS7:15 amBoston Logan Intl

22h 15m

2 stops

KIX7:30 pmOsaka Kansai Intl

Jan 28

KIX3:20 pmOsaka Kansai Intl

22h 29m

3 stops

BOS11:49 pmBoston Logan Intl

$1,033

United Airlines

Jan 24

BOS7:15 amBoston Logan Intl

22h 15m

2 stops

KIX7:30 pmOsaka Kansai Intl

Jan 28

KIX3:20 pmOsaka Kansai Intl

22h 29m

3 stops

BOS11:49 pmBoston Logan Intl

$1,034

ANA flights from Massachusetts to Osaka Kansai Intl Airport

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

ANA

Sep 13

BOS7:46 amBoston Logan Intl

23h 04m

2 stops

KIX7:50 pmOsaka Kansai Intl

Sep 29

KIX4:55 pmOsaka Kansai Intl

19h 02m

1 stop

BOS10:57 pmBoston Logan Intl

$1,041

ANA

Sep 13

BOS7:45 amBoston Logan Intl

42h 05m

1 stop

KIX2:50 pmOsaka Kansai Intl

Sep 27

KIX4:55 pmOsaka Kansai Intl

19h 02m

1 stop

BOS10:57 pmBoston Logan Intl

$1,055

ANA

Nov 22

BOS5:30 amBoston Logan Intl

24h 00m

2 stops

KIX7:30 pmOsaka Kansai Intl

Nov 30

KIX9:00 pmOsaka Kansai Intl

31h 30m

2 stops

BOS2:30 pmBoston Logan Intl

$1,068

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

Tue 2/16

6:35 pm-8:25 pm

2 stops35h 50m

Osaka Kansai Intl

Wed 3/17

7:25 pm-10:10 am

2 stops27h 45m

$858

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Mon 2/1

6:35 pm-8:25 pm

2 stops35h 50m

Osaka Kansai Intl

Tue 2/9

3:20 pm-2:18 pm

2 stops36h 58m

$891

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Sat 2/20

7:40 pm-7:30 pm

2 stops33h 50m

Osaka Kansai Intl

Thu 3/25

7:25 pm-9:25 pm

2 stops39h 00m

$893

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Tue 2/23

5:45 am-7:30 pm

2 stops23h 45m

Osaka Kansai Intl

Thu 3/25

7:25 pm-9:25 pm

2 stops39h 00m

$893

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Mon 1/11

5:45 pm-4:45 pm

2 stops33h 00m

Osaka Kansai Intl

Tue 2/2

3:20 pm-11:49 pm

3 stops22h 29m

$1,031

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Sun 1/24

7:15 am-7:30 pm

2 stops22h 15m

Osaka Kansai Intl

Thu 1/28

3:20 pm-7:12 am

2 stops29h 52m

$1,032

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Tue 12/29

6:00 am-4:45 pm

1 stop20h 45m

Osaka Kansai Intl

Sat 1/16

9:00 pm-6:49 pm

2 stops35h 49m

$1,044

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Thu 2/11

5:30 am-4:45 pm

1 stop21h 15m

Osaka Kansai Intl

Fri 2/12

9:00 pm-12:47 pm

2 stops29h 47m

$1,047

Quickest round-trip

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Tue 2/23

12:30 am-12:45 pm

1 stop22h 15m

Osaka Kansai Intl

Mon 3/22

9:50 am-11:00 pm

1 stop26h 10m

$1,381

BostonOsaka

BOS Boston Logan Intl - KIX Osaka Kansai Intl

BOSKIX

Boston Logan Intl

Tue 2/23

12:30 am-12:45 pm

1 stop22h 15m

Osaka Kansai Intl

Tue 3/23

9:50 am-11:00 pm

1 stop26h 10m

$1,381

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, February 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 $979. If you aren’t able to travel during the month of February, then book flights to Osaka Kansai Intl Airport from Massachusetts during January instead. Flights to Osaka Kansai Intl Airport in January, while not as cheap as those in February, still average around $1,021.

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

You could potentially save up to 48% 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	$538
Fastest flight time	18h 25m
Direct flights	None

The best one-way flight to Osaka Kansai Intl Airport from Massachusetts in the past 72 hours is $538. The best round-trip flight deal from Massachusetts to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $858.

The fastest flight from Massachusetts to Osaka Kansai Intl Airport takes 18h 25m

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 4 as of September 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
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,595 reviews	Search Air Canada flights
ANA	PriceFrom $796	Free Cancellation	Rating 8.3 1,312 reviews	Search ANA flights
United Airlines	PriceFrom $920	Free Cancellation	Rating 7.4 10,179 reviews	Search United Airlines flights
Cathay Pacific	PriceFrom $941	Free Cancellation	Rating 7.6 1,473 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.

An easier way to manage your Osaka Kansai Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 10/8

Thu 10/15

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Osaka

Popular cities

Other flights from Massachusetts

Other flights to Osaka

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Japan

Flights to Tokyo Haneda Airportfrom $685

Flights to Tokyo Narita Airportfrom $429

Flights to Osaka Itami Airportfrom $715

Flights to Nagoya Chubu Centrair Intl Airportfrom $716

Cheap flights from Massachusetts to Osaka from $538

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 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Massachusetts to Osaka

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Massachusetts to Osaka Kansai Intl Airport

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

ANA flights from Massachusetts to Osaka Kansai Intl Airport

Our best ANA 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?

Why use momondo?

An easier way to manage your Osaka Kansai Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Osaka

Popular cities in Japan

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

Massachusetts flight routes

According to popular flight searches on momondo this year

Osaka Kansai Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Osaka

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Osaka

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

Complete your trip to Osaka

Explore popular destinations other users love

According to popular flight searches on momondo this year