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Cheap flights from Massachusetts to Osaka from $440

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 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Massachusetts to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hainan Airlines Logo
6:40 pm - 12:45 pm
BOS
-
KIX
29h 05m
2 stops
Hainan Airlines Logo
2:20 pm - 4:40 pm
KIX
-
BOS
39h 20m
1 stop
$842Hainan Airlines
Fri, Sep 4 - Sat, Sep 19
Hainan Airlines Logo
6:40 pm - 12:45 pm
BOS
-
KIX
29h 05m
2 stops
Hainan Airlines Logo
2:20 pm - 4:40 pm
KIX
-
BOS
39h 20m
1 stop
$926Hainan Airlines
Wed, Aug 26 - Sat, Sep 12
Multiple Airlines Logo
6:40 pm - 12:45 pm
BOS
-
KIX
29h 05m
2 stops
Multiple Airlines Logo
7:05 pm - 3:57 pm
KIX
-
BOS
33h 52m
2 stops
$1,072Multiple Airlines
Fri, Sep 4 - Tue, Sep 15
Multiple Airlines Logo
6:40 pm - 12:45 pm
BOS
-
KIX
29h 05m
2 stops
Multiple Airlines Logo
1:10 pm - 6:39 am
KIX
-
BOS
30h 29m
2 stops
$1,073Multiple Airlines
Wed, Sep 9 - Wed, Sep 23
Multiple Airlines Logo
6:40 pm - 12:45 pm
BOS
-
KIX
29h 05m
2 stops
Multiple Airlines Logo
1:10 pm - 8:02 am
KIX
-
BOS
31h 52m
2 stops
$1,099Multiple Airlines
Fri, Sep 4 - Tue, Sep 15
Cathay Pacific Logo
1:45 am - 9:15 pm
BOS
-
KIX
30h 30m
1 stop
Cathay Pacific Logo
1:40 pm - 11:05 pm
KIX
-
BOS
22h 25m
1 stop
$1,108Cathay Pacific
Tue, Sep 1 - Tue, Sep 15
Japan Airlines Logo
7:05 am - 9:15 am
BDL
-
KIX
37h 10m
2 stops
Japan Airlines Logo
6:40 am - 4:54 pm
KIX
-
BDL
23h 14m
2 stops
$1,334Japan Airlines
Wed, Jul 22 - Fri, Aug 7
Japan Airlines Logo
11:57 am - 9:15 am
BDL
-
KIX
32h 18m
2 stops
Japan Airlines Logo
9:00 pm - 4:54 pm
KIX
-
BDL
32h 54m
2 stops
$1,422Japan Airlines
Sun, Aug 23 - Sat, Aug 29
United Airlines Logo
8:20 am - 2:50 pm
BDL
-
KIX
41h 30m
2 stops
United Airlines Logo
4:55 pm - 11:45 pm
KIX
-
BDL
19h 50m
2 stops
$1,438United Airlines
Fri, Sep 4 - Wed, Sep 16
United Airlines Logo
8:20 am - 2:50 pm
BDL
-
KIX
41h 30m
2 stops
United Airlines Logo
4:55 pm - 1:59 pm
KIX
-
BDL
34h 04m
2 stops
$1,468United Airlines
Sun, Aug 30 - Wed, Sep 2

Hainan Airlines flights from Massachusetts to Osaka Kansai Intl Airport

Our best Hainan Airlines deals on Massachusetts to Osaka Kansai Intl Airport flight tickets
Hainan Airlines
Sep 4
BOS6:40 pmBoston Logan Intl
29h 05m
2 stops
KIX12:45 pmOsaka Kansai Intl
Sep 19
KIX2:20 pmOsaka Kansai Intl
39h 20m
1 stop
BOS4:40 pmBoston Logan Intl
$842
Hainan Airlines
Aug 26
BOS6:40 pmBoston Logan Intl
29h 05m
2 stops
KIX12:45 pmOsaka Kansai Intl
Sep 12
KIX2:20 pmOsaka Kansai Intl
39h 20m
1 stop
BOS4:40 pmBoston Logan Intl
$926
Hainan Airlines
Mar 27
BOS7:40 pmBoston Logan Intl
28h 05m
2 stops
KIX12:45 pmOsaka Kansai Intl
Apr 11
KIX2:20 pmOsaka Kansai Intl
39h 20m
1 stop
BOS4:40 pmBoston Logan Intl
$2,268

China Eastern flights from Massachusetts to Osaka Kansai Intl Airport

Our best China Eastern deals on Massachusetts to Osaka Kansai Intl Airport flight tickets
China Eastern
Sep 4
BOS6:30 amBoston Logan Intl
40h 40m
2 stops
KIX12:10 pmOsaka Kansai Intl
Sep 18
KIX9:30 amOsaka Kansai Intl
27h 28m
2 stops
BOS11:58 pmBoston Logan Intl
$1,129
China Eastern
Sep 4
BOS6:30 amBoston Logan Intl
46h 30m
2 stops
KIX6:00 pmOsaka Kansai Intl
Sep 11
KIX7:00 pmOsaka Kansai Intl
39h 11m
2 stops
BOS9:11 pmBoston Logan Intl
$1,144
China Eastern
Aug 27
BOS6:30 amBoston Logan Intl
46h 30m
2 stops
KIX6:00 pmOsaka Kansai Intl
Sep 9
KIX7:00 pmOsaka Kansai Intl
39h 11m
2 stops
BOS9:11 pmBoston Logan Intl
$1,185

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to Osaka Kansai Intl Airport 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, momondo users made 832,500 searches. Data last updated March 24, 2026.
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 - KIX

BOSKIX

Boston Logan Intl

Fri 9/4

6:40 pm-12:45 pm

2 stops29h 05m

Osaka Kansai Intl

Sat 9/19

2:20 pm-4:40 pm

1 stop39h 20m

$842

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 8/26

6:40 pm-12:45 pm

2 stops29h 05m

Osaka Kansai Intl

Sat 9/12

2:20 pm-4:40 pm

1 stop39h 20m

$926

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Fri 9/4

6:40 pm-12:45 pm

2 stops29h 05m

Osaka Kansai Intl

Tue 9/15

7:05 pm-3:57 pm

2 stops33h 52m

$1,072

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 9/9

6:40 pm-12:45 pm

2 stops29h 05m

Osaka Kansai Intl

Wed 9/23

1:10 pm-6:39 am

2 stops30h 29m

$1,073

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Fri 9/4

6:40 pm-12:45 pm

2 stops29h 05m

Osaka Kansai Intl

Tue 9/15

1:10 pm-8:02 am

2 stops31h 52m

$1,099
Quickest round-trip

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 9/1

1:45 am-9:15 pm

1 stop30h 30m

Osaka Kansai Intl

Tue 9/15

1:40 pm-11:05 pm

1 stop22h 25m

$1,108

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Wed 7/22

7:05 am-9:15 am

2 stops37h 10m

Osaka Kansai Intl

Fri 8/7

6:40 am-4:54 pm

2 stops23h 14m

$1,334

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Sun 8/23

11:57 am-9:15 am

2 stops32h 18m

Osaka Kansai Intl

Sat 8/29

9:00 pm-4:54 pm

2 stops32h 54m

$1,422

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Fri 9/4

8:20 am-2:50 pm

2 stops41h 30m

Osaka Kansai Intl

Wed 9/16

4:55 pm-11:45 pm

2 stops19h 50m

$1,438

HartfordOsaka

BDL - KIX

BDLKIX

Hartford Bradley Intl

Sun 8/30

8:20 am-2:50 pm

2 stops41h 30m

Osaka Kansai Intl

Wed 9/2

4:55 pm-1:59 pm

2 stops34h 04m

$1,468

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Osaka from

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

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

In general, September 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 $794. If you aren’t able to travel during the month of September, 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 September, still average around $979.

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

You could potentially save up to 10% 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

Fastest flight time

18h 50m

Direct flights

None
The fastest flight from Massachusetts to Osaka Kansai Intl Airport takes 18h 50m
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

  • 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?

  • 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 CanadaPriceFrom $787Free CancellationRating
7.1
10,836 reviews
Search Air Canada flights
Cathay PacificPriceFrom $833Free CancellationRating
7.6
1,228 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $979Free CancellationRating
7.4
9,467 reviews
Search United Airlines flights
ANAPriceFrom $1,034Free CancellationRating
8.4
1,142 reviews
Search ANA flights
Japan AirlinesPriceFrom $1,239Free CancellationRating
8.3
1,748 reviews
Search Japan Airlines flights

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
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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