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Cheap flights from Osaka to Boston from $433

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Osaka to Boston departing on 1/23. 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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Cheap round-trip flights

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Cathay Pacific Logo
7:05 pm - 10:00 pmKIX-BOS
40h 55m1 stop
Cathay Pacific Logo
12:30 am - 5:50 pmBOS-KIX
27h 20m1 stop
$945Cathay Pacific
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Tue, Dec 23 - Mon, Jan 12
Cathay Pacific Logo
7:05 pm - 10:00 pmKIX-BOS
40h 55m1 stop
Cathay Pacific Logo
12:30 am - 5:50 pmBOS-KIX
27h 20m1 stop
$951Cathay Pacific
Find Deal
Tue, Dec 23 - Mon, Jan 12
Cathay Pacific Logo
10:00 am - 10:00 pmKIX-BOS
26h 00m1 stop
Cathay Pacific Logo
12:30 am - 5:50 pmBOS-KIX
27h 20m1 stop
$956Cathay Pacific
Find Deal
Fri, Jan 23 - Sat, Feb 7
Cathay Pacific Logo
7:05 pm - 10:00 pmKIX-BOS
40h 55m1 stop
Cathay Pacific Logo
12:30 am - 2:55 pmBOS-KIX
24h 25m2 stops
$961Cathay Pacific
Find Deal
Tue, Dec 23 - Mon, Jan 12
American Airlines Logo
7:25 am - 7:33 pmITM-BOS
26h 08m2 stops
American Airlines Logo
6:00 am - 7:20 pmBOS-ITM
23h 20m2 stops
$974American Airlines
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Fri, Jan 23 - Sun, Feb 8
American Airlines Logo
1:40 pm - 7:19 pmITM-BOS
19h 39m2 stops
American Airlines Logo
6:00 am - 6:45 pmBOS-ITM
22h 45m2 stops
$983American Airlines
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Tue, Dec 23 - Tue, Jan 13
Multiple Airlines Logo
2:40 pm - 9:32 amITM-BOS
32h 52m3 stops
Multiple Airlines Logo
10:15 am - 7:55 pmBOS-ITM
19h 40m2 stops
$1,063Multiple Airlines
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Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
2:40 pm - 10:02 amITM-BOS
33h 22m3 stops
Multiple Airlines Logo
5:30 am - 7:55 pmBOS-ITM
24h 25m3 stops
$1,066Multiple Airlines
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Tue, Jan 13 - Tue, Jan 20
Japan Airlines Logo
2:40 pm - 5:25 pmITM-BOS
16h 45m1 stop
Japan Airlines Logo
6:00 am - 5:35 pmBOS-ITM
21h 35m2 stops
$1,098Japan Airlines
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Tue, Dec 23 - Tue, Jan 13
Japan Airlines Logo
2:40 pm - 5:25 pmITM-BOS
16h 45m1 stop
Japan Airlines Logo
12:15 pm - 7:55 pmBOS-ITM
17h 40m1 stop
$1,171Japan Airlines
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Tue, Dec 23 - Tue, Jan 13

Cathay Pacific flights from Osaka to Boston

Our best Cathay Pacific deals on Osaka to Boston flight tickets
Cathay Pacific
Dec 23
KIX7:05 pmOsaka Kansai Intl
40h 55m
1 stop
BOS10:00 pmBoston Logan Intl
Jan 12
BOS12:30 amBoston Logan Intl
27h 20m
1 stop
KIX5:50 pmOsaka Kansai Intl
$945
Find similar
Cathay Pacific
Dec 23
KIX7:05 pmOsaka Kansai Intl
40h 55m
1 stop
BOS10:00 pmBoston Logan Intl
Jan 12
BOS12:30 amBoston Logan Intl
27h 20m
1 stop
KIX5:50 pmOsaka Kansai Intl
$951
Find similar
Cathay Pacific
Jan 23
KIX10:00 amOsaka Kansai Intl
26h 00m
1 stop
BOS10:00 pmBoston Logan Intl
Feb 7
BOS12:30 amBoston Logan Intl
27h 20m
1 stop
KIX5:50 pmOsaka Kansai Intl
$956
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Air Canada flights from Osaka to Boston

Our best Air Canada deals on Osaka to Boston flight tickets
Air Canada
Feb 17
KIX3:45 pmOsaka Kansai Intl
38h 12m
2 stops
BOS3:57 pmBoston Logan Intl
Mar 6
BOS6:40 pmBoston Logan Intl
57h 00m
2 stops
KIX5:40 pmOsaka Kansai Intl
$1,022
Find similar
Air Canada
Feb 14
KIX3:45 pmOsaka Kansai Intl
34h 27m
2 stops
BOS12:12 pmBoston Logan Intl
Mar 4
BOS5:30 amBoston Logan Intl
22h 10m
2 stops
KIX5:40 pmOsaka Kansai Intl
$1,086
Find similar
Air Canada
Feb 13
KIX3:45 pmOsaka Kansai Intl
20h 52m
2 stops
BOS10:37 pmBoston Logan Intl
Mar 4
BOS5:30 amBoston Logan Intl
22h 10m
2 stops
KIX5:40 pmOsaka Kansai Intl
$1,102
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Osaka 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, momondo users made 832,500 searches. Data last updated December 2, 2025.
Use the filters below to find and compare flights from Osaka to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 12/23

7:05 pm-10:00 pm

1 stop40h 55m

Boston Logan Intl

Mon 1/12

12:30 am-5:50 pm

1 stop27h 20m

$945

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 12/23

7:05 pm-10:00 pm

1 stop40h 55m

Boston Logan Intl

Mon 1/12

12:30 am-5:50 pm

1 stop27h 20m

$951

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 1/23

10:00 am-10:00 pm

1 stop26h 00m

Boston Logan Intl

Sat 2/7

12:30 am-5:50 pm

1 stop27h 20m

$956

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 12/23

7:05 pm-10:00 pm

1 stop40h 55m

Boston Logan Intl

Mon 1/12

12:30 am-2:55 pm

2 stops24h 25m

$961

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Fri 1/23

7:25 am-7:33 pm

2 stops26h 08m

Boston Logan Intl

Sun 2/8

6:00 am-7:20 pm

2 stops23h 20m

$974

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Tue 12/23

1:40 pm-7:19 pm

2 stops19h 39m

Boston Logan Intl

Tue 1/13

6:00 am-6:45 pm

2 stops22h 45m

$983

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Tue 1/13

2:40 pm-9:32 am

3 stops32h 52m

Boston Logan Intl

Tue 1/20

10:15 am-7:55 pm

2 stops19h 40m

$1,063

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Tue 1/13

2:40 pm-10:02 am

3 stops33h 22m

Boston Logan Intl

Tue 1/20

5:30 am-7:55 pm

3 stops24h 25m

$1,066

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Tue 12/23

2:40 pm-5:25 pm

1 stop16h 45m

Boston Logan Intl

Tue 1/13

6:00 am-5:35 pm

2 stops21h 35m

$1,098

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Tue 12/23

2:40 pm-5:25 pm

1 stop16h 45m

Boston Logan Intl

Tue 1/13

12:15 pm-7:55 pm

1 stop17h 40m

$1,171

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 Boston from

How to get the cheapest flight ticket from Osaka to Boston

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 day to depart on your flight to Boston?

The cheapest day to depart from Osaka to Boston is on a Thursday when prices can be found for as low as $1,238. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Friday is $1,851.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the morning. momondo users have found flights departing from Osaka to Boston in the morning for as low as $1,158. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Boston, so prices are often more expensive at around $1,891 per ticket.

Can stopping save me money on Osaka to Boston flights?

You could potentially save up to 35% on your flight if you consider stops on a Osaka to Boston flight.

How have Osaka to Boston flight prices changed over time?

As of December 2025, prices for Osaka to Boston flights are approximately 53% cheaper when compared to flights at the same time last year.

When to book flights from Osaka to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Osaka to Boston (OSA to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Osaka to Boston

Fastest flight time

16h 45m

Direct flights

None
The fastest flight from Osaka to Boston takes 16h 45m
There are no direct flights from Osaka to Boston. There are no popular flight routes from Osaka to Boston.
Search flight deals

  • How far is Osaka to Boston Logan Intl by plane?

    Boston Logan Intl is 6850.9 mi away from Osaka. Flights usually cover this in 16h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Osaka to Boston Logan Intl Airport?

    Prices for flights from Osaka to Boston Logan Intl Airport were last updated today.

  • How old do you have to be to fly from Osaka to Boston Logan Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Osaka to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Osaka to Boston?

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Chatham

Why use momondo?

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

It is quick and easy to find Osaka to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

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

Flights from Osaka to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Osaka and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Osaka to Boston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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