Which layover airport offers the lowest fares from Boston to Osaka?

Flights via Hong Kong (HKG) offer the lowest average round-trip price of $837.

Which layover airport has the shortest travel time from Boston to Osaka?

Flights connecting via Tokyo (NRT) have the shortest average one-way travel time: 17h 15m.

What airlines fly to Osaka?

ANA, Cathay Pacific and United Airlines are the top three most popular airlines that fly to Osaka from Boston according to our data. ANA is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Osaka. Keep in mind that there are 5 different airlines that fly to Osaka on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Boston and Osaka?

San Francisco (SFO) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Boston to Osaka?

Tokyo (NRT) has the shortest average layover time for this route: 2h 17m.

What is the cheapest airline that flies from Boston Logan Intl to Osaka?

Air Canada, Cathay Pacific, and Korean Air are the most popular carriers operating from Boston Logan Intl to Osaka

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

Prices for flights from Boston Logan Intl Airport to Osaka are updated daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to Osaka?

There are 5 operators available for flights from Boston Logan Intl Airport to Osaka as of December 2025.

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

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 Boston Logan Intl Airport to Osaka.

What documentation or ID do you need to fly to Osaka?

The required travel and health documents for your Osaka trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$461 Cheap Flights from Boston to Osaka in 2025/26

Q: What is the typical price of a round-trip flight between Boston and Osaka?

Prices are currently low for flights on this route. Typical prices usually range from $1,167 to $1,593. The lowest price recently found on this route was $792.

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6:40 pm - 12:35 pm

BOS

KIX

27h 55m2 stops

2:35 pm - 4:20 pm

KIX

BOS

39h 45m1 stop

$792Hainan Airlines

mié., ene. 7 - sáb., ene. 17

6:40 pm - 12:45 pm

BOS

KIX

29h 05m2 stops

2:20 pm - 4:40 pm

KIX

BOS

39h 20m1 stop

$815Hainan Airlines

dom., abr. 5 - sáb., abr. 11

11:00 am - 8:45 pm

BOS

KIX

19h 45m1 stop

6:10 pm - 8:40 am

KIX

BOS

28h 30m1 stop

$831Korean Air

lun., ene. 19 - lun., feb. 2

6:55 pm - 7:10 pm

BOS

ITM

34h 15m2 stops

2:00 pm - 10:37 pm

ITM

BOS

22h 37m2 stops

$832Air Canada

dom., ene. 11 - mié., feb. 4

4:35 pm - 7:25 pm

BOS

KIX

36h 50m2 stops

3:45 pm - 10:37 pm

KIX

BOS

20h 52m2 stops

$835Air Canada

dom., ene. 11 - mié., feb. 4

11:00 am - 10:10 am

BOS

UKB

33h 10m1 stop

6:40 pm - 8:40 am

UKB

BOS

28h 00m1 stop

$850Korean Air

lun., ene. 19 - lun., feb. 2

6:00 am - 8:35 pm

BOS

ITM

24h 35m2 stops

3:00 pm - 9:53 pm

ITM

BOS

20h 53m2 stops

$864ANA

mié., feb. 11 - jue., feb. 26

6:00 am - 9:45 pm

BOS

UKB

25h 45m2 stops

7:05 am - 5:19 pm

UKB

BOS

24h 14m2 stops

$866ANA

dom., ene. 11 - mié., feb. 4

7:07 pm - 4:40 pm

BOS

KIX

31h 33m2 stops

11:00 pm - 12:46 pm

KIX

BOS

27h 46m3 stops

$884United Airlines

dom., ene. 11 - mié., feb. 4

9:30 am - 6:10 pm

BOS

ITM

42h 40m2 stops

1:00 pm - 9:38 pm

ITM

BOS

22h 38m2 stops

$985United Airlines

vie., ene. 9 - mar., ene. 20

Hainan Airlines flights from Boston to Osaka

Our best Hainan Airlines deals on Boston to Osaka flight tickets

Hainan Airlines

Jan 7

BOS6:40 pmBoston Logan Intl

27h 55m

2 stops

KIX12:35 pmOsaka Kansai Intl

Jan 17

KIX2:35 pmOsaka Kansai Intl

39h 45m

1 stop

BOS4:20 pmBoston Logan Intl

$792

Find similar

Hainan Airlines

Apr 5

BOS6:40 pmBoston Logan Intl

29h 05m

2 stops

KIX12:45 pmOsaka Kansai Intl

Apr 11

KIX2:20 pmOsaka Kansai Intl

39h 20m

1 stop

BOS4:40 pmBoston Logan Intl

$815

Find similar

Hainan Airlines

Jan 9

BOS6:40 pmBoston Logan Intl

27h 55m

2 stops

KIX12:35 pmOsaka Kansai Intl

Jan 17

KIX2:35 pmOsaka Kansai Intl

39h 45m

1 stop

BOS4:20 pmBoston Logan Intl

$817

Find similar

ANA flights from Boston to Osaka

Our best ANA deals on Boston to Osaka flight tickets

ANA

Feb 11

BOS6:00 amBoston Logan Intl

24h 35m

2 stops

ITM8:35 pmOsaka Itami

Feb 26

ITM3:00 pmOsaka Itami

20h 53m

2 stops

BOS9:53 pmBoston Logan Intl

$864

Find similar

ANA

Jan 11

BOS6:00 amBoston Logan Intl

25h 45m

2 stops

UKB9:45 pmKobe

Feb 4

UKB7:05 amKobe

24h 14m

2 stops

BOS5:19 pmBoston Logan Intl

$866

Find similar

ANA

Feb 11

BOS6:00 amBoston Logan Intl

25h 50m

2 stops

KIX9:50 pmOsaka Kansai Intl

Feb 26

KIX6:35 pmOsaka Kansai Intl

39h 21m

1 stop

BOS7:56 pmBoston Logan Intl

$887

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

mié. 1/7

6:40 pm-12:35 pm

2 stops27h 55m

Osaka Kansai Intl

sáb. 1/17

2:35 pm-4:20 pm

1 stop39h 45m

$792

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

dom. 4/5

6:40 pm-12:45 pm

2 stops29h 05m

Osaka Kansai Intl

sáb. 4/11

2:20 pm-4:40 pm

1 stop39h 20m

$815

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

lun. 1/19

11:00 am-8:45 pm

1 stop19h 45m

Osaka Kansai Intl

lun. 2/2

6:10 pm-8:40 am

1 stop28h 30m

$831

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

dom. 1/11

6:55 pm-7:10 pm

2 stops34h 15m

Osaka Itami

mié. 2/4

2:00 pm-10:37 pm

2 stops22h 37m

$832

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

dom. 1/11

4:35 pm-7:25 pm

2 stops36h 50m

Osaka Kansai Intl

mié. 2/4

3:45 pm-10:37 pm

2 stops20h 52m

$835

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

lun. 1/19

11:00 am-10:10 am

1 stop33h 10m

Kobe

lun. 2/2

6:40 pm-8:40 am

1 stop28h 00m

$850

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

mié. 2/11

6:00 am-8:35 pm

2 stops24h 35m

Osaka Itami

jue. 2/26

3:00 pm-9:53 pm

2 stops20h 53m

$864

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

dom. 1/11

6:00 am-9:45 pm

2 stops25h 45m

Kobe

mié. 2/4

7:05 am-5:19 pm

2 stops24h 14m

$866

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

dom. 1/11

7:07 pm-4:40 pm

2 stops31h 33m

Osaka Kansai Intl

mié. 2/4

11:00 pm-12:46 pm

3 stops27h 46m

$884

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

vie. 1/9

9:30 am-6:10 pm

2 stops42h 40m

Osaka Itami

mar. 1/20

1:00 pm-9:38 pm

2 stops22h 38m

$985

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Osaka

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

Layovers

What is the typical price of a round-trip flight between Boston and Osaka?

What is the cheapest month to fly to Osaka?

In general, September is the cheapest month to fly from Boston to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $916. If you are unable to visit Osaka during the month of September, then departing from Boston during the month February is also very affordable. Most momondo users find prices during this month for around $1,062.

What is the cheapest day to depart on your flight to Osaka?

According to our data, Monday is the cheapest day to fly to Osaka from Boston. The lowest ticket price found for a Monday departure recently was $1,438. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Osaka for around $1,580.

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

Our data shows that the cheapest Boston to Osaka flights are usually those with departure times in the evening. Our users have found flights to Osaka in the evening for as low as $1,187. Flights to Osaka are more costly in the morning, with an average ticket price of $1,582. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Boston to Osaka flights?

You could potentially save up to 5% on your flight if you consider stops on a Boston to Osaka flight.

When to book flights from Boston to Osaka

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

Estimated round-trip price

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

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

Fastest flight time	17h 10m
Direct flights	None

The fastest flight from Boston to Osaka takes 17h 10m

There are no direct flights from Boston to Osaka. There are no popular flight routes from Boston to Osaka.

Search flight deals

How far is Boston Logan Intl to Osaka by plane?
A flight from Boston Logan Intl to Osaka will travel around 6850.9 mi. A reasonable flight in good conditions will take 17h 10m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Osaka?
Prices for flights from Boston Logan Intl Airport to Osaka are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Osaka?
There are 5 operators available for flights from Boston Logan Intl Airport to Osaka as of December 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Osaka?
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 Boston Logan Intl Airport to Osaka.
What documentation or ID do you need to fly to Osaka?
The required travel and health documents for your Osaka trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Boston to Osaka?
momondo data reveals that the most frequently booked airline on the route from Boston to Osaka is Air Canada, representing 27% of all bookings. The subsequent popular airlines are United Airlines at 25%, ANA at 21%, and Cathay Pacific at 13%.

Best airlines flying from Boston to Osaka

Compare and see reviews for airlines that fly from Boston to Osaka with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 10,514 reviews	Search Air Canada flights
Cathay Pacific	PriceFrom $909	Free Cancellation	Rating 7.6 1,093 reviews	Search Cathay Pacific flights
ANA	PriceFrom $979	Free Cancellation	Rating 8.4 1,021 reviews	Search ANA flights
United Airlines	PriceFrom $1,056	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Japan Airlines	PriceFrom $1,493	Free Cancellation	Rating 8.3 1,651 reviews	Search Japan Airlines flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Osaka from Boston.

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

momondo does allow users to show only those flights to Osaka from Boston which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Osaka from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Osaka from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.