How long is the flight from Boston to Japan?

There are many flights that can get you from Boston to Japan in 21h 35m. Fly via ANA, Cathay Pacific, or United Airlines to get the fastest option. The distance from Boston to Japan is about 6708 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Boston to Japan one-way?

The cheapest airlines for a one-way flight from Boston to Japan are Cathay Pacific ($560), Japan Airlines ($633), and Alaska Airlines ($663).

In terms of precipitation, rainfall in Japan ranges from 2.0 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. January is typically the driest time to visit Japan when rainfall is around 2.0 in.

If weather is an important factor for your trip to Japan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

What are the most popular routes from Boston to Japan?

When deciding which route to take from Boston to Japan consider Boston Logan Intl - Tokyo Narita, Boston Logan Intl - Tokyo Haneda or Boston Logan Intl - Osaka Kansai Intl as they are the most popular.

What are the most popular airlines that fly from Boston to Japan?

Consider Air Canada, United Airlines or ANA when booking your flight. These represent the most popular airlines when flying from Boston to Japan.

What airport do you fly from for flights from Boston to Japan?

Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Japan from Boston.

Can I find deals for flights from Boston to Japan that include hotel bookings?

Yes. In addition to deals on Boston to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boston to Japan?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Japan.

Can I find deals for business class flights from Boston to Japan?

Yes. Cheapflights offers flight deals from Boston to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$456+ Cheap Flights from Boston to Japan

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Cheap flight deals from Boston to Japan

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$807 (Kiwi.com)
One-way from	$462 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$1,132
Good round-trip deal	$1,108 or less
Good one-way deal	$519 or less

Provider with most accurate pricing for Boston Logan Intl-Tokyo (TYO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boston Logan Intl-Tokyo (TYO) flights.

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From Boston Logan Intl to Japan

Search Deals

One-way flight from Boston Logan Intl to Japan

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Price to beat on a round-trip flight from Boston Logan Intl to Japan.

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Price to beat on a one-way flight from Boston Logan Intl to Japan.

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Find flight deals from Boston to Japan

Cheapest flights from Boston to Japan
Explore the most affordable flight options available from Boston to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

Wed 11/56:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Thu 11/202:45 pmNRT - BOS

2 stops44h 04mMultiple Airlines

Deal found 10/13

$807

Wed 11/126:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Mon 12/89:25 pmNRT - BOS

1 stop32h 12mMultiple Airlines

Deal found 10/14

$810

Thu 11/66:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Mon 11/172:45 pmNRT - BOS

2 stops23h 14mMultiple Airlines

Deal found 10/12

$813

Thu 11/66:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Thu 11/132:45 pmNRT - BOS

2 stops23h 35mMultiple Airlines

Deal found 10/12

$819

Wed 11/126:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Sat 12/64:00 pmNRT - BOS

2 stops40h 11mMultiple Airlines

Deal found 10/14

$823

Sat 12/66:52 pmBOS - NRT

1 stop35h 03mMultiple Airlines

Mon 12/154:00 pmNRT - BOS

2 stops40h 11mMultiple Airlines

Deal found 10/12

$824

Thu 11/66:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Wed 11/192:45 pmNRT - BOS

2 stops23h 14mMultiple Airlines

Deal found 10/12

$825

Wed 11/56:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Sat 11/222:45 pmNRT - BOS

2 stops44h 04mMultiple Airlines

Deal found 10/13

$829

Wed 11/56:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Sun 11/1610:40 amNRT - BOS

2 stops42h 20mMultiple Airlines

Deal found 10/12

$833

Thu 11/66:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Thu 11/202:45 pmNRT - BOS

2 stops44h 04mMultiple Airlines

Deal found 10/13

$835

Sun 11/306:15 amBOS - HND

1 stop20h 25mAir Canada

Thu 12/186:50 pmHND - BOS

1 stop17h 47mAir Canada

Deal found 10/13

$837

Fri 12/56:52 pmBOS - NRT

1 stop35h 03mMultiple Airlines

Mon 12/154:00 pmNRT - BOS

2 stops40h 11mMultiple Airlines

Deal found 10/11

$855

Best flights from Boston to Japan
Discover carefully curated flight deals from Boston to Japan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2025.

Wed 3/410:00 amBOS - OKA

2 stops34h 40mMultiple Airlines

Wed 3/1112:00 pmOKA - BOS

2 stops32h 16mMultiple Airlines

Deal found 10/11

$939

Mon 12/86:00 amBOS - CTS

2 stops24h 20mANA

Fri 12/1911:20 amCTS - BOS

2 stops21h 28mANA

Deal found 10/13

$1,042

Tue 11/412:30 amBOS - NRT

1 stop29h 50mCathay Pacific

Mon 11/179:30 pmNRT - BOS

1 stop38h 30mCathay Pacific

Deal found 10/12

$1,052

Wed 1/289:30 amBOS - HND

1 stop21h 35mUnited Airlines

Wed 2/1112:50 amHND - BOS

1 stop20h 31mUnited Airlines

Deal found 10/13

$1,059

Mon 12/111:00 amBOS - NRT

1 stop20h 05mKorean Air

Wed 12/175:10 pmNRT - BOS

1 stop29h 30mKorean Air

Deal found 10/12

$1,063

Mon 1/58:45 pmBOS - HND

2 stops27h 50mDelta

Wed 1/285:35 pmHND - BOS

2 stops20h 19mDelta

Deal found 10/14

$1,065

Mon 12/15:59 pmBOS - NRT

1 stop32h 01mAlaska Airlines

Fri 12/126:30 pmNRT - BOS

1 stop19h 29mAlaska Airlines

Deal found 10/12

$1,074

Mon 12/17:55 pmBOS - FUK

2 stops34h 10mAir Canada

Wed 12/102:20 pmFUK - BOS

2 stops22h 17mAir Canada

Deal found 10/13

$1,198

Thu 10/307:10 amBOS - FUK

2 stops37h 50mChina Airlines

Tue 11/188:35 pmFUK - BOS

2 stops23h 09mChina Airlines

Deal found 10/13

$1,248

Tue 1/68:42 pmBOS - NRT

1 stop30h 38mMultiple Airlines

Tue 1/276:15 pmNRT - BOS

1 stop24h 46mMultiple Airlines

Deal found 10/12

$987

Mon 12/17:30 amBOS - NRT

1 stop17h 45mUnited Airlines

Wed 12/175:35 pmNRT - BOS

1 stop16h 25mUnited Airlines

Deal found 10/11

$1,060

Tue 1/2011:00 amBOS - HND

1 stop21h 50mKorean Air

Tue 2/32:00 amHND - BOS

1 stop20h 40mKorean Air

Deal found 10/13

$1,064

Mon 11/1712:30 amBOS - NRT

2 stops26h 20mCathay Pacific

Thu 11/272:20 pmNRT - BOS

1 stop21h 40mCathay Pacific

Deal found 10/13

$1,069

Sun 2/86:10 amBOS - KMJ

2 stops23h 35mAmerican Airlines

Thu 2/1212:50 pmKMJ - BOS

2 stops23h 59mAmerican Airlines

Deal found 10/12

$2,164

Sun 1/1112:45 pmBOS - UKB

2 stops29h 15mANA

Sun 2/87:05 amUKB - BOS

2 stops19h 41mANA

Deal found 10/12

$1,087

Sun 1/115:30 amBOS - ITM

2 stops24h 25mMultiple Airlines

Sun 2/84:00 pmITM - BOS

2 stops20h 37mMultiple Airlines

Deal found 10/12

$1,013

Wed 12/36:00 amBOS - NRT

1 stop19h 00mUnited Airlines

Fri 12/195:15 pmNRT - BOS

1 stop15h 46mUnited Airlines

Deal found 10/11

$1,060

Wed 1/77:05 amBOS - NGO

2 stops23h 35mDelta

Wed 1/141:40 pmNGO - BOS

2 stops30h 52mDelta

Deal found 10/12

$1,185

Wed 12/36:05 amBOS - HND

2 stops26h 45mKorean Air

Tue 12/162:00 amHND - BOS

2 stops30h 59mKorean Air

Deal found 10/11

$1,080

Wed 11/1212:30 amBOS - NRT

2 stops26h 20mCathay Pacific

Wed 12/103:30 pmNRT - BOS

2 stops44h 30mCathay Pacific

Deal found 10/14

$1,085

Fri 10/2410:52 amBOS - OKA

2 stops34h 53mChina Airlines

Thu 10/3011:55 amOKA - BOS

2 stops25h 11mChina Airlines

Deal found 10/13

$1,264

Sun 12/76:00 amBOS - KIX

1 stop20h 40mUnited Airlines

Tue 12/166:35 pmKIX - BOS

1 stop17h 08mUnited Airlines

Deal found 10/12

$1,064

Sat 1/106:15 amBOS - ITM

2 stops24h 05mAir Canada

Sat 1/173:00 pmITM - BOS

2 stops21h 37mAir Canada

Deal found 10/12

$1,311

Mon 11/108:30 pmBOS - KIX

2 stops55h 10mMultiple Airlines

Thu 11/207:25 pmKIX - BOS

2 stops28h 07mMultiple Airlines

Deal found 10/12

$1,093

Sat 11/2912:30 amBOS - HND

1 stop23h 15mCathay Pacific

Wed 12/1710:10 amHND - BOS

1 stop25h 50mCathay Pacific

Deal found 10/12

$1,101

Wed 12/36:05 amBOS - HND

2 stops26h 45mKorean Air

Sat 12/132:00 amHND - BOS

1 stop20h 40mKorean Air

Deal found 10/12

$1,119

Tue 1/69:30 amBOS - HND

1 stop17h 20mUnited Airlines

Tue 1/2710:25 amHND - BOS

2 stops17h 52mUnited Airlines

Deal found 10/12

$1,064

Tue 11/412:30 amBOS - NRT

1 stop29h 50mCathay Pacific

Fri 11/212:20 pmNRT - BOS

1 stop21h 40mCathay Pacific

Deal found 10/13

$1,102

Sun 11/95:30 amBOS - NGO

2 stops24h 15mMultiple Airlines

Wed 11/192:30 pmNGO - BOS

2 stops22h 07mMultiple Airlines

Deal found 10/14

$1,104

Mon 11/106:15 amBOS - ITM

2 stops24h 05mAir Canada

Thu 11/203:00 pmITM - BOS

2 stops21h 37mAir Canada

Deal found 10/12

$1,357

Last-minute flights from Boston to Japan
Discover last-minute flight deals from Boston to Japan. Data last updated October 14, 2025 and is based on user searches.

Wed 11/56:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Fri 11/212:45 pmNRT - BOS

2 stops44h 04mMultiple Airlines

Deal found 10/13

$807

Wed 11/56:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Sat 11/222:45 pmNRT - BOS

2 stops44h 04mMultiple Airlines

Deal found 10/13

$829

Wed 11/56:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Sun 11/1610:40 amNRT - BOS

2 stops42h 20mMultiple Airlines

Deal found 10/12

$833

Thu 11/66:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Mon 11/172:45 pmNRT - BOS

2 stops23h 14mMultiple Airlines

Deal found 10/12

$813

Thu 11/66:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Thu 11/132:45 pmNRT - BOS

2 stops23h 35mMultiple Airlines

Deal found 10/12

$819

Thu 11/66:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Wed 11/192:45 pmNRT - BOS

2 stops23h 14mMultiple Airlines

Deal found 10/12

$825

Thu 11/66:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Thu 11/202:45 pmNRT - BOS

2 stops44h 04mMultiple Airlines

Deal found 10/13

$835

Thu 11/66:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Sun 11/1610:40 amNRT - BOS

2 stops42h 20mMultiple Airlines

Deal found 10/12

$856

Tue 11/115:30 amBOS - HND

2 stops21h 10mAir Canada

Tue 11/186:50 pmHND - BOS

2 stops28h 42mAir Canada

Deal found 10/13

$889

Wed 11/126:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Mon 12/89:25 pmNRT - BOS

1 stop32h 12mMultiple Airlines

Deal found 10/14

$810

Wed 11/126:59 pmBOS - NRT

1 stop34h 56mMultiple Airlines

Sat 12/64:00 pmNRT - BOS

2 stops40h 11mMultiple Airlines

Deal found 10/14

$823

Sun 11/306:15 amBOS - HND

1 stop20h 25mAir Canada

Thu 12/186:50 pmHND - BOS

1 stop17h 47mAir Canada

Deal found 10/13

$837

One-way flights from Boston to Japan
Search for one-way flight options from Boston to Japan. Find affordable one-way fares based on user searches. Data last updated October 14, 2025.

Fri 11/76:59 pmBOS - KIX

2 stops47h 46mMultiple Airlines

Deal found 10/11

$462

Thu 11/66:59 pmBOS - KIX

2 stops47h 46mMultiple Airlines

Deal found 10/12

$473

Mon 11/245:45 amBOS - ITM

3 stops59h 45mMultiple Airlines

Deal found 10/11

$476

Wed 11/56:59 pmBOS - KIX

2 stops47h 46mMultiple Airlines

Deal found 10/12

$479

Sun 10/2612:49 pmBOS - KIX

3 stops54h 56mMultiple Airlines

Deal found 10/12

$482

Thu 10/3012:49 pmBOS - KIX

3 stops43h 06mMultiple Airlines

Deal found 10/12

$483

Wed 11/266:40 pmBOS - KIX

2 stops27h 55mHainan Airlines

Deal found 10/11

$513

Tue 10/286:17 amBOS - KIX

3 stops49h 38mMultiple Airlines

Deal found 10/12

$515

Thu 11/279:54 pmBOS - ITM

3 stops56h 26mMultiple Airlines

Deal found 10/11

$519

Sun 11/96:40 pmBOS - KIX

2 stops27h 55mHainan Airlines

Deal found 10/12

$528

Wed 11/196:40 pmBOS - KIX

2 stops27h 55mHainan Airlines

Deal found 10/14

$535

Tue 2/2410:00 amBOS - NRT

3 stops40h 30mMultiple Airlines

Deal found 10/14

$536

Fly from

Fly to

Route

Depart

Return

Price

BostonOkinawa

BOS - OKA

BOSOKA

Boston Logan Intl

Wed 3/4

10:00 am-10:40 am

2 stops34h 40m

Okinawa Naha

Wed 3/11

12:00 pm-7:16 am

2 stops32h 16m

$939

BostonTokyo

BOS - NRT

BOSNRT

Boston Logan Intl

Tue 1/6

8:42 pm-5:20 pm

1 stop30h 38m

Tokyo Narita

Tue 1/27

6:15 pm-5:01 am

1 stop24h 46m

$987

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Sun 1/11

5:30 am-7:55 pm

2 stops24h 25m

Osaka Itami

Sun 2/8

4:00 pm-10:37 pm

2 stops20h 37m

$1,013

BostonSapporo

BOS - CTS

BOSCTS

Boston Logan Intl

Mon 12/8

6:00 am-8:20 pm

2 stops24h 20m

Sapporo Chitose

Fri 12/19

11:20 am-6:48 pm

2 stops21h 28m

$1,042

BostonTokyo

BOS - NRT

BOSNRT

Boston Logan Intl

Tue 11/4

12:30 am-8:20 pm

1 stop29h 50m

Tokyo Narita

Mon 11/17

9:30 pm-10:00 pm

1 stop38h 30m

$1,052

BostonTokyo

BOS - HND

BOSHND

Boston Logan Intl

Wed 1/28

9:30 am-9:05 pm

1 stop21h 35m

Tokyo Haneda

Wed 2/11

12:50 am-7:21 am

1 stop20h 31m

$1,059

BostonTokyo

BOS - NRT

BOSNRT

Boston Logan Intl

Mon 12/1

7:30 am-3:15 pm

1 stop17h 45m

Tokyo Narita

Wed 12/17

5:35 pm-8:00 pm

1 stop16h 25m

$1,060

BostonTokyo

BOS - NRT

BOSNRT

Boston Logan Intl

Wed 12/3

6:00 am-3:00 pm

1 stop19h 00m

Tokyo Narita

Fri 12/19

5:15 pm-7:01 pm

1 stop15h 46m

$1,060

BostonTokyo

BOS - NRT

BOSNRT

Boston Logan Intl

Mon 12/1

11:00 am-9:05 pm

1 stop20h 05m

Tokyo Narita

Wed 12/17

5:10 pm-8:40 am

1 stop29h 30m

$1,063

BostonTokyo

BOS - HND

BOSHND

Boston Logan Intl

Tue 1/20

11:00 am-10:50 pm

1 stop21h 50m

Tokyo Haneda

Tue 2/3

2:00 am-8:40 am

1 stop20h 40m

$1,064

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 60 results

...

Best time to book a flight from Boston to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Boston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Japan

What is the cheapest month to book a flight from Boston to Japan?

Currently, July is the cheapest month in which you can book a flight from Boston to Japan (average of $308). Flying from Boston to Japan in May is currently the most expensive (average of $1,014). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to JP?

It’s optimal to fly from Boston to Japan in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Boston to Japan?

Travelers seeking maximum savings on their Boston to Japan flight should consider departing on Thursday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Japan

Peruse reviews from past customers who have flown with ANA, Japan Airlines, and Delta from Boston to Japan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

984 reviews

Reviews

1 / 20

10.0

Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

ANA

8.4

Very good

984 reviews

ANA

8.4

Very good

984 reviews

Reviews

1 / 20

10.0

Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Japan Airlines

8.3

Very good

1,578 reviews

ANA

8.4

Very good

984 reviews

Reviews

1 / 20

10.0

Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Delta

8.0

Very good

7,977 reviews

ANA

8.4

Very good

984 reviews

Reviews

1 / 20

10.0

Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

United Airlines

7.4

Good

8,977 reviews

ANA

8.4

Very good

984 reviews

Reviews

1 / 20

10.0

Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Air Canada

7.1

Good

10,298 reviews

ANA

8.4

Very good

984 reviews

Reviews

1 / 20

10.0

Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Related info for your journey

What airport do you fly from for flights from Boston to Japan?
Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Japan from Boston.
How long is the flight from Boston to Japan?
There are many flights that can get you from Boston to Japan in 21h 35m. Fly via ANA, Cathay Pacific, or United Airlines to get the fastest option. The distance from Boston to Japan is about 6708 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Boston to Japan one-way?
The cheapest airlines for a one-way flight from Boston to Japan are Cathay Pacific ($560), Japan Airlines ($633), and Alaska Airlines ($663).
What are the most popular routes from Boston to Japan?
When deciding which route to take from Boston to Japan consider Boston Logan Intl - Tokyo Narita, Boston Logan Intl - Tokyo Haneda or Boston Logan Intl - Osaka Kansai Intl as they are the most popular.
Can I find deals for flights from Boston to Japan that include hotel bookings?
Yes. In addition to deals on Boston to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Japan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Japan.
Can I find deals for business class flights from Boston to Japan?
Yes. Cheapflights offers flight deals from Boston to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Boston to Japan?
Currently, July is the cheapest month in which you can book a flight from Boston to Japan (average of $308). Flying from Boston to Japan in May is currently the most expensive (average of $1,014). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Boston to Japan

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$228	Average$308	FlexibilityNo cancel fee	On-time62%
Singapore Airlines	Cheapest$568	Average$792	FlexibilityNo cancel fee	On-time81%
ANA	Cheapest$751	Average$1,195	FlexibilityNo cancel fee	On-time80%
Air Canada	Cheapest$771	Average$1,114	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$860	Average$1,273	FlexibilityNo cancel fee	On-time69%
Cathay Pacific	Cheapest$869	Average$1,149	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$946	Average$1,284	FlexibilityNo cancel fee	On-timeN/A
Korean Air	Cheapest$998	Average$1,261	FlexibilityNo cancel fee	On-time81%
Japan Airlines	Cheapest$1,221	Average$2,092	FlexibilityNo cancel fee	On-time79%
American Airlines	Cheapest$1,301	Average$2,640	FlexibilityNo cancel fee	On-time71%

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$456+ Cheap flights from Boston (BOS) to Japan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Japan with Cheapflights

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Cheap flight deals from Boston to Japan

Keep the following information in mind while searching for Boston to Japan flight deals. Data was last updated October 14, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Boston to Japan

Cheapest flights from Boston to JapanExplore the most affordable flight options available from Boston to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

Explore the most affordable flight options available from Boston to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Japan that are best for you.

Best time to book a flight from Boston to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Boston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Boston to Japan

What is the cheapest month to book a flight from Boston to Japan?

What is the cheapest time of day to fly from BOS to JP?

Find hourly flight availability from Boston to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2025.

What is the cheapest day to fly from Boston to Japan?

Use this chart to determine the cheapest time to fly round-trip from Boston to Japan. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Japan

Peruse reviews from past customers who have flown with ANA, Japan Airlines, and Delta from Boston to Japan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boston to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Boston to Japan?

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What are the cheapest airlines to fly from Boston to Japan one-way?

What are the most popular routes from Boston to Japan?

Can I find deals for flights from Boston to Japan that include hotel bookings?

How can I find direct flights from Boston to Japan?

Can I find deals for business class flights from Boston to Japan?

What is the cheapest month to book a flight from Boston to Japan?

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Alternative routes for Boston to Japan

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Top 10 airlines flying from Boston to Japan

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Cheapest flights from Boston to Japan
Explore the most affordable flight options available from Boston to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.