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Cheap flights from Osaka to Boston from $457

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 10/24. 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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Find the cheapest flights from Osaka to Boston (OSA-BOS)

Cheap round-trip flights

Logo
1:35 pm - 9:25 pmKIX-BOS
20h 50m2 stops
Logo
5:30 am - 10:45 pmBOS-KIX
28h 15m3 stops
$744
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Sun, Oct 19 - Sun, Oct 26
Logo
2:30 pm - 9:25 pmKIX-BOS
19h 55m2 stops
Logo
6:00 am - 9:00 pmBOS-KIX
26h 00m3 stops
$816
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Fri, Oct 17 - Fri, Oct 24
Air Canada Logo
6:05 pm - 9:30 amKIX-BOS
28h 25m2 stops
Air Canada Logo
6:30 pm - 4:25 pmBOS-KIX
32h 55m2 stops
$864Air Canada
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Thu, Oct 9 - Thu, Oct 16
Air Canada Logo
6:05 pm - 10:39 pmKIX-BOS
17h 34m1 stop
Air Canada Logo
6:00 am - 4:25 pmBOS-KIX
21h 25m2 stops
$870Air Canada
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Fri, Sep 19 - Thu, Oct 2
Cathay Pacific Logo
10:00 am - 11:00 pmKIX-BOS
26h 00m1 stop
Cathay Pacific Logo
1:30 am - 2:55 pmBOS-KIX
24h 25m2 stops
$923Cathay Pacific
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Sun, Oct 19 - Sat, Oct 25
Cathay Pacific Logo
6:05 pm - 10:00 pmKIX-BOS
41h 55m1 stop
Cathay Pacific Logo
12:30 am - 3:15 pmBOS-KIX
24h 45m1 stop
$955Cathay Pacific
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Tue, Dec 23 - Mon, Jan 12
Japan Airlines Logo
1:40 pm - 9:58 pmITM-BOS
22h 18m2 stops
Japan Airlines Logo
12:15 pm - 7:55 pmBOS-ITM
17h 40m1 stop
$1,289Japan Airlines
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Tue, Dec 23 - Tue, Jan 13
Alaska Airlines Logo
2:55 pm - 6:00 amKIX-BOS
28h 05m2 stops
Alaska Airlines Logo
7:46 am - 8:20 amBOS-KIX
34h 34m2 stops
$1,326Alaska Airlines
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Wed, Oct 22 - Mon, Nov 3
Alaska Airlines Logo
6:45 am - 11:59 pmKIX-BOS
30h 14m2 stops
Alaska Airlines Logo
7:46 am - 8:20 amBOS-KIX
34h 34m2 stops
$1,327Alaska Airlines
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Fri, Oct 17 - Mon, Nov 3
Japan Airlines Logo
2:40 pm - 6:05 pmITM-BOS
16h 25m1 stop
Japan Airlines Logo
6:28 am - 7:10 pmBOS-ITM
23h 42m2 stops
$1,426Japan Airlines
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Fri, Oct 17 - Fri, Oct 24

Cathay Pacific flights from Osaka to Boston

Our best Cathay Pacific deals on Osaka to Boston flight tickets
Cathay Pacific
Oct 19
KIX10:00 amOsaka Kansai Intl
26h 00m
1 stop
BOS11:00 pmBoston Logan Intl
Oct 25
BOS1:30 amBoston Logan Intl
24h 25m
2 stops
KIX2:55 pmOsaka Kansai Intl
$923
Find similar
Cathay Pacific
Dec 23
KIX6:05 pmOsaka Kansai Intl
41h 55m
1 stop
BOS10:00 pmBoston Logan Intl
Jan 12
BOS12:30 amBoston Logan Intl
24h 45m
1 stop
KIX3:15 pmOsaka Kansai Intl
$955
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Cathay Pacific
Dec 23
KIX4:55 pmOsaka Kansai Intl
43h 05m
1 stop
BOS10:00 pmBoston Logan Intl
Jan 12
BOS12:30 amBoston Logan Intl
24h 25m
2 stops
KIX2:55 pmOsaka Kansai Intl
$971
Find similar

Air Canada flights from Osaka to Boston

Our best Air Canada deals on Osaka to Boston flight tickets
Air Canada
Oct 9
KIX6:05 pmOsaka Kansai Intl
28h 25m
2 stops
BOS9:30 amBoston Logan Intl
Oct 16
BOS6:30 pmBoston Logan Intl
32h 55m
2 stops
KIX4:25 pmOsaka Kansai Intl
$864
Find similar
Air Canada
Sep 19
KIX6:05 pmOsaka Kansai Intl
17h 34m
1 stop
BOS10:39 pmBoston Logan Intl
Oct 2
BOS6:00 amBoston Logan Intl
21h 25m
2 stops
KIX4:25 pmOsaka Kansai Intl
$870
Find similar
Air Canada
Oct 17
KIX6:05 pmOsaka Kansai Intl
17h 34m
1 stop
BOS10:39 pmBoston Logan Intl
Oct 24
BOS6:00 amBoston Logan Intl
21h 25m
2 stops
KIX4:25 pmOsaka Kansai Intl
$871
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 September 4, 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

Sun 10/19

1:35 pm-9:25 pm

2 stops20h 50m

Boston Logan Intl

Sun 10/26

5:30 am-10:45 pm

3 stops28h 15m

$744

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 10/17

2:30 pm-9:25 pm

2 stops19h 55m

Boston Logan Intl

Fri 10/24

6:00 am-9:00 pm

3 stops26h 00m

$816

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Thu 10/9

6:05 pm-9:30 am

2 stops28h 25m

Boston Logan Intl

Thu 10/16

6:30 pm-4:25 pm

2 stops32h 55m

$864

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 9/19

6:05 pm-10:39 pm

1 stop17h 34m

Boston Logan Intl

Thu 10/2

6:00 am-4:25 pm

2 stops21h 25m

$870

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sun 10/19

10:00 am-11:00 pm

1 stop26h 00m

Boston Logan Intl

Sat 10/25

1:30 am-2:55 pm

2 stops24h 25m

$923

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 12/23

6:05 pm-10:00 pm

1 stop41h 55m

Boston Logan Intl

Mon 1/12

12:30 am-3:15 pm

1 stop24h 45m

$955

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Tue 12/23

1:40 pm-9:58 pm

2 stops22h 18m

Boston Logan Intl

Tue 1/13

12:15 pm-7:55 pm

1 stop17h 40m

$1,289

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 10/22

2:55 pm-6:00 am

2 stops28h 05m

Boston Logan Intl

Mon 11/3

7:46 am-8:20 am

2 stops34h 34m

$1,326

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 10/17

6:45 am-11:59 pm

2 stops30h 14m

Boston Logan Intl

Mon 11/3

7:46 am-8:20 am

2 stops34h 34m

$1,327

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Fri 10/17

2:40 pm-6:05 pm

1 stop16h 25m

Boston Logan Intl

Fri 10/24

6:28 am-7:10 pm

2 stops23h 42m

$1,426

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 10% 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 September 2025, prices for Osaka to Boston flights are approximately 36% 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

Direct flights

None
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 25m, 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
Cambridge
South Yarmouth
Narragansett
Nashua
Brockton
Gloucester
Laconia
Falmouth
Concord
Everett
Wells
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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