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BOS - OSA

$533 Find Cheap Flights from Boston to Osaka - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$944
Typical prices: $1,158-$1,771
Multiple Airlines
Wed 1/17Mon 1/29
BOS - KIX • 2 stops
Cheapest one-way
$533
Typical prices: $581-$1,053
Multiple Airlines
Fri 11/9
BOS - KIX • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Boston and Osaka. You'll need to take a connecting flight to reach the destination.
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Top routes
BOS - KIX
Cheapest • 7% average savings
BOS - ITM
Most popular
Insights
Insights
When to book
21 weeks
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 63% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 28% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Honolulu (HNL)
Cheapest • Avg $1,213 (round-trip)
Tokyo Narita (NRT)
Shortest trip • 17h 10m (one-way)
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Insights
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We hope you love your trip to Osaka!
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Flight Deals

Cheap Flights from Boston to Osaka (BOS-OSA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Osaka

Sun, Jan 17 - Fri, Jan 29
Multiple Airlines Logo
5:30 am - 8:25 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
24h 55m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita
Multiple Airlines Logo
7:25 am - 2:18 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
44h 53m2 stops Tokyo Narita Toronto Pearson Intl
$944Multiple Airlines
Mon, Jan 18 - Fri, Jan 29
Multiple Airlines Logo
6:35 pm - 7:55 pmBOS  Boston Logan Intl-ITM Osaka Itami
35h 20m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita
Multiple Airlines Logo
2:00 pm - 10:37 pmITM  Osaka Itami-BOS Boston Logan Intl
22h 37m2 stops Tokyo Narita Toronto Pearson Intl
$950Multiple Airlines
Fri, Jan 15 - Tue, Jan 26
Japan Airlines Logo
7:10 am - 7:55 pmBOS  Boston Logan Intl-ITM Osaka Itami
22h 45m2 stops Chicago O'Hare Intl Tokyo Narita
Japan Airlines Logo
2:40 pm - 5:35 pmITM  Osaka Itami-BOS Boston Logan Intl
16h 55m1 stop Tokyo Narita
$983Japan Airlines
Fri, Jan 15 - Tue, Jan 26
Japan Airlines Logo
7:10 am - 7:55 pmBOS  Boston Logan Intl-ITM Osaka Itami
22h 45m2 stops Chicago O'Hare Intl Tokyo Narita
Japan Airlines Logo
12:30 pm - 9:57 pmITM  Osaka Itami-BOS Boston Logan Intl
23h 27m2 stops Tokyo Haneda Los Angeles
$992Japan Airlines
Thu, Feb 4 - Mon, Feb 8
United Airlines Logo
7:15 am - 6:10 pmBOS  Boston Logan Intl-ITM Osaka Itami
20h 55m2 stops Newark Tokyo Haneda
United Airlines Logo
2:30 pm - 5:49 pmITM  Osaka Itami-BOS Boston Logan Intl
41h 19m2 stops Tokyo Haneda Chicago O'Hare Intl
$994United Airlines
Mon, Jan 11 - Thu, Jan 14
ANA Logo
1:30 pm - 7:30 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
40h 00m2 stops Chicago O'Hare Intl Tokyo Narita
ANA Logo
9:45 am - 6:49 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
23h 04m2 stops Tokyo Haneda Washington, D.C. Dulles Intl
$1,026ANA
Mon, Jan 11 - Thu, Jan 14
United Airlines Logo
9:30 am - 4:45 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
41h 15m2 stops Washington, D.C. Dulles Intl San Francisco
United Airlines Logo
3:20 pm - 11:49 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
22h 29m3 stops Tokyo Haneda San Francisco Washington, D.C. Dulles Intl
$1,030United Airlines
Tue, Nov 17 - Wed, Dec 2
ANA Logo
6:00 am - 10:20 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
26h 20m2 stops Chicago O'Hare Intl Tokyo Haneda
ANA Logo
9:00 pm - 2:32 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
31h 32m2 stops Tokyo Haneda Washington, D.C. Dulles Intl
$1,133ANA
Mon, Nov 16 - Tue, Dec 1
Cathay Pacific Logo
12:30 am - 6:20 amBOS  Boston Logan Intl-KIX Osaka Kansai Intl
39h 50m1 stop Hong Kong Intl
Cathay Pacific Logo
2:00 pm - 10:00 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
22h 00m1 stop Hong Kong Intl
$1,380Cathay Pacific
Mon, Feb 22 - Tue, Mar 16
Cathay Pacific Logo
12:30 am - 9:05 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
30h 35m1 stop Hong Kong Intl
Cathay Pacific Logo
9:50 am - 11:00 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
26h 10m1 stop Hong Kong Intl
$1,389Cathay Pacific
Booking Insights

Price, demand and travel trends for Boston to Osaka flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Boston to Osaka flight route?

Boston (BOS) to Osaka Kansai Intl Airport (KIX) is the cheapest Boston to Osaka route, averaging $1,309 round-trip. Other Boston to Osaka routes average $1,511, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Boston to Osaka?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Boston to Osaka. It’s 17% cheaper than the average day, while Wednesday is the most expensive, with prices 19% higher.

What’s the cheapest month to fly from Boston to Osaka?

•January is the cheapest month to fly from Boston to Osaka at $1,013 round-trip.
•December ($2,028) and May ($1,634) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 100% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Boston to Osaka the cheapest?

Flights from Boston to Osaka are cheapest 21 weeks before departure. Booking in this window typically costs about 63% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Boston to Osaka flights

Low season

November

Cheapest flight

$533
Beat the crowds with an average 45% drop in travelers.
One-way flight from Boston to Osaka Kansai Intl Airport

When to book flights from Boston to Osaka

Are your dates flexible? Find out the best times to travel from Boston to Osaka based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Osaka flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boston to Osaka?

    Three cabin classes are available on flights from Boston to Osaka:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Boston to Osaka?

    A nonstop flight from Boston to Osaka takes 00m, covering 6,852 miles.

  • Do I need a passport to fly from Boston to Osaka?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Boston to Osaka flight?

    Round-trip flights from Boston to Osaka range from $1,158 to $1,771, with an average of $1,400 over the past 12 months. Anything below $1,158 counts as a good deal.

  • How expensive are last-minute Boston to Osaka flights?

    Last-minute fares on this route (booked within two weeks of departure) run 76% above the $1,400 route average. Book 21 weeks before departure for the lowest fares.

  • How are flight prices from Boston to Osaka looking right now?

    One-way fares from Boston to Osaka are currently higher than usual. Average one-way flight prices are about $901, which is 25% above the typical average for this route.

  • What car rental options are available in Osaka?

    Since Osaka is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Osaka Kansai Intl Airport (KIX) — daily rates from around $11:

    • Yesaway
    • CG Car Rental
    • KuMa Rental Car
    • IX Rental
    • HM Rent a Car

    Near Osaka Itami Airport (ITM) — daily rates from around $28:

    • Avis
    • Budget
    • Alamo
    • ORIX Rent a Car
    • Nissan Rent-A-Car

  • Which airports can I use when flying from Boston to Osaka?

    Flights from Boston to Osaka usually depart from Boston Logan Intl (BOS) and may arrive at several airports in Osaka area, including Osaka Itami (ITM) and Osaka Kansai Intl (KIX).

  • Which airports do connecting flights from Boston to Osaka pass through?

    One-stop flights from Boston to Osaka most commonly connect through:

    • Tokyo Narita (NRT) - 39% of one-stop connections
    • Hong Kong Intl (HKG) - 28% of one-stop connections
    • San Francisco (SFO) - 25% of one-stop connections
    • Incheon Intl (ICN) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Boston to Osaka?

    Yes. Flexible dates can save you up to 30% on flights from Boston to Osaka. Sunday is the cheapest departure day at $1,171 round-trip on average, while Wednesday is the most expensive at $1,669, a difference of $498.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Boston to Osaka?

    Flying via Tokyo Narita (NRT) gives the shortest average 1-stop total travel time at 17h 10m, compared with 19h 34m via San Francisco (SFO) and 19h 36m via Toronto Pearson Intl (YYZ).

  • What is the time difference between Boston and Osaka?

    Osaka is 13 hours ahead of Boston (Japan Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Osaka?

    Some of the most popular sights in Osaka are Universal Studios Japan and Dotonbori Glico Man Sign. These are among the most viewed places in Osaka on KAYAK.

  • What seat selection options are available on Cathay Pacific flights from Boston to Osaka?

    Cathay Pacific offers several seat selection options to passengers. Passengers can choose a standard seat for free during the booking process or at check-in or preferred seats, which offer more legroom or are located in a more convenient location on the aircraft. Preferred seats are subject to an additional fee and can be selected during the booking process or at check-in.

  • What is the luggage allowance on Japan Airlines flights from Boston to Osaka?

    For Economy class, passengers are typically allowed one checked bag with a maximum weight of 50 lbs on Japan Airlines flights from Boston to Osaka. Business class passengers are usually allowed two checked bags, each weighing a maximum of 70 lbs. First class passengers generally enjoy the same allowance as Business class.

  • What services does ANA offer economy passengers on flights from Boston to Osaka?

    ANA offers personal seat back entertainment systems for economy class with a vast selection of movies, TV shows, music, and games. The airline provides complimentary meals, with a choice of Western or Japanese-style cuisine. ANA also offers Wi-Fi and in-flight connectivity, allowing passengers to stay connected and access the internet during the flight.

  • How do I get from Kansai Airport (KIX) to the city center?

    The train is the most convenient and budget-friendly way to reach the city center from KIX. You can take the JR Limited Express Haruka train, which takes about 45–50 minutes to reach Osaka station. There are a number of bus services that operate between Kansai Airport and the city center. The most popular option is the airport limousine service, which takes about 50–60 minutes to reach Osaka's major hotels.

Your guide to booking Boston to Osaka flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Wednesday. On this route, Sunday flights average $1,171, about $498 less than Wednesday fares (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 63% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Osaka trip for January. Fares historically average $1,013 round-trip in that month - typically $1,015 less than the most expensive month, which is December (based on the last 12 months).
  • US citizens will need a visa to travel from Boston (BOS) to Osaka (OSA). The type of visa required depends on the purpose of the visit, the duration of stay, and other factors. To apply for a Japanese visa, US citizens must submit the required documents such as a valid passport, visa application form, photos, and other supporting documents depending on the type of visa applied for.
  • Air Canada allows cats and dogs to travel on flights from Boston to Osaka. There is a fee for traveling with pets, which varies depending on the type and size. You must also provide all necessary documentation for your pet, such as a health certificate, vaccinations, and any other required permits.
  • Flights from Boston to Osaka usually have layovers in various cities depending on the airline. Some common layovers for these flights include Tokyo (NRT), San Francisco (SFO), New York (JFK), Hong Kong (HKG), Vancouver (YVR), Washington (IAD), and Chicago (ORD).
  • United Airlines has a customer care program called “Special Needs” that is designed to meet the needs of passengers who require assistance or mobility aids. The airline provides wheelchairs and other mobility aids at the airport and onboard the aircraft to passengers who require them, including for flights from Boston to Osaka.
  • American Airlines offers flights from Boston to Osaka and has invested in fuel-efficient aircraft to reduce the environmental impact of their flights. The company has implemented operational measures, such as using more efficient flight paths, optimizing ground operations, and reducing weight on flights.

More options for your flight from Boston to Osaka

Complete your trip to Osaka with a hotel stay or car rental

Car rentals in Osaka
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