Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Osaka to Boston from $416

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 12/5. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Osaka to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 7:42 pmKIX-BOS
25h 42m2 stops
Multiple Airlines Logo
6:15 am - 10:20 pmBOS-KIX
26h 05m2 stops
$848Multiple Airlines
Find Deal
Tue, Feb 10 - Tue, Feb 17
Korean Air Logo
2:00 pm - 8:40 amKIX-BOS
32h 40m1 stop
Korean Air Logo
12:00 pm - 5:00 pmBOS-KIX
40h 00m1 stop
$871Korean Air
Find Deal
Tue, Dec 23 - Mon, Mar 23
Korean Air Logo
2:00 pm - 8:40 amKIX-BOS
32h 40m1 stop
Korean Air Logo
4:10 pm - 8:45 pmBOS-KIX
39h 35m2 stops
$877Korean Air
Find Deal
Tue, Dec 23 - Mon, Mar 23
Air Canada Logo
2:00 pm - 10:37 pmITM-BOS
22h 37m2 stops
Air Canada Logo
6:15 am - 7:10 pmBOS-ITM
22h 55m2 stops
$964Air Canada
Find Deal
Tue, Feb 10 - Tue, Feb 17
Cathay Pacific Logo
6:05 pm - 10:00 pmKIX-BOS
41h 55m1 stop
Cathay Pacific Logo
12:30 am - 12:45 pmBOS-KIX
22h 15m1 stop
$968Cathay Pacific
Find Deal
Sun, Dec 21 - Tue, Jan 6
Cathay Pacific Logo
4:55 pm - 10:00 pmKIX-BOS
43h 05m1 stop
Cathay Pacific Logo
12:30 am - 9:05 pmBOS-KIX
30h 35m1 stop
$973Cathay Pacific
Find Deal
Tue, Dec 23 - Mon, Jan 12
American Airlines Logo
2:40 pm - 5:25 pmITM-BOS
16h 45m1 stop
American Airlines Logo
6:25 pm - 8:40 amBOS-ITM
24h 15m2 stops
$1,107American Airlines
Find Deal
Tue, Dec 23 - Tue, Jan 13
Japan Airlines Logo
1:40 pm - 10:56 pmITM-BOS
23h 16m2 stops
Japan Airlines Logo
12:15 pm - 7:55 pmBOS-ITM
17h 40m1 stop
$1,130Japan Airlines
Find Deal
Tue, Feb 10 - Tue, Feb 17
Japan Airlines Logo
1:40 pm - 7:28 pmITM-BOS
19h 48m2 stops
Japan Airlines Logo
7:39 pm - 5:30 pmBOS-ITM
32h 51m2 stops
$1,145Japan Airlines
Find Deal
Wed, Dec 24 - Mon, Mar 23
American Airlines Logo
5:50 pm - 6:18 amKIX-BOS
26h 28m1 stop
American Airlines Logo
6:25 pm - 6:50 pmBOS-KIX
34h 25m1 stop
$1,569American Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8

American Airlines flights from Osaka to Boston

Our best American Airlines deals on Osaka to Boston flight tickets
American Airlines
Dec 23
ITM2:40 pmOsaka Itami
16h 45m
1 stop
BOS5:25 pmBoston Logan Intl
Jan 13
BOS6:25 pmBoston Logan Intl
24h 15m
2 stops
ITM8:40 amOsaka Itami
$1,107
Find similar
American Airlines
Dec 1
KIX5:50 pmOsaka Kansai Intl
26h 28m
1 stop
BOS6:18 amBoston Logan Intl
Dec 8
BOS6:25 pmBoston Logan Intl
34h 25m
1 stop
KIX6:50 pmOsaka Kansai Intl
$1,569
Find similar
American Airlines
Dec 1
KIX5:50 pmOsaka Kansai Intl
26h 28m
1 stop
BOS6:18 amBoston Logan Intl
Dec 8
BOS6:25 pmBoston Logan Intl
34h 25m
1 stop
KIX6:50 pmOsaka Kansai Intl
$1,576
Find similar

Japan Airlines flights from Osaka to Boston

Our best Japan Airlines deals on Osaka to Boston flight tickets
Japan Airlines
Feb 10
ITM1:40 pmOsaka Itami
23h 16m
2 stops
BOS10:56 pmBoston Logan Intl
Feb 17
BOS12:15 pmBoston Logan Intl
17h 40m
1 stop
ITM7:55 pmOsaka Itami
$1,130
Find similar
Japan Airlines
Dec 24
ITM1:40 pmOsaka Itami
19h 48m
2 stops
BOS7:28 pmBoston Logan Intl
Mar 23
BOS7:39 pmBoston Logan Intl
32h 51m
2 stops
ITM5:30 pmOsaka Itami
$1,145
Find similar
Japan Airlines
Dec 21
ITM8:30 amOsaka Itami
26h 01m
2 stops
BOS8:31 pmBoston Logan Intl
Jan 7
BOS12:15 pmBoston Logan Intl
17h 40m
1 stop
ITM7:55 pmOsaka Itami
$1,200
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 October 16, 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 2/10

8:00 am-7:42 pm

2 stops25h 42m

Boston Logan Intl

Tue 2/17

6:15 am-10:20 pm

2 stops26h 05m

$848

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 12/23

2:00 pm-8:40 am

1 stop32h 40m

Boston Logan Intl

Mon 3/23

12:00 pm-5:00 pm

1 stop40h 00m

$871

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 12/23

2:00 pm-8:40 am

1 stop32h 40m

Boston Logan Intl

Mon 3/23

4:10 pm-8:45 pm

2 stops39h 35m

$877

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Tue 2/10

2:00 pm-10:37 pm

2 stops22h 37m

Boston Logan Intl

Tue 2/17

6:15 am-7:10 pm

2 stops22h 55m

$964

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sun 12/21

6:05 pm-10:00 pm

1 stop41h 55m

Boston Logan Intl

Tue 1/6

12:30 am-12:45 pm

1 stop22h 15m

$968

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 12/23

4:55 pm-10:00 pm

1 stop43h 05m

Boston Logan Intl

Mon 1/12

12:30 am-9:05 pm

1 stop30h 35m

$973

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Tue 12/23

2:40 pm-5:25 pm

1 stop16h 45m

Boston Logan Intl

Tue 1/13

6:25 pm-8:40 am

2 stops24h 15m

$1,107

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Tue 2/10

1:40 pm-10:56 pm

2 stops23h 16m

Boston Logan Intl

Tue 2/17

12:15 pm-7:55 pm

1 stop17h 40m

$1,130

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Wed 12/24

1:40 pm-7:28 pm

2 stops19h 48m

Boston Logan Intl

Mon 3/23

7:39 pm-5:30 pm

2 stops32h 51m

$1,145

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 12/1

5:50 pm-6:18 am

1 stop26h 28m

Boston Logan Intl

Mon 12/8

6:25 pm-6:50 pm

1 stop34h 25m

$1,569

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 13% 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 October 2025, prices for Osaka to Boston flights are approximately 12% 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 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
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Brockton
Laconia
Falmouth
Concord
Everett
Chatham
Sturbridge

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.

An easier way to manage your Boston 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
Sat 11/15
Sat 11/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States