Cheap flights from Boston to Osaka Kansai Intl Airport from $546
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Osaka Kansai Intl Airport departing on 9/1. 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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Air Canada flights from Boston to Osaka Kansai Intl Airport
Our best Air Canada deals on Boston to Osaka Kansai Intl Airport flight tickets
Cathay Pacific flights from Boston to Osaka Kansai Intl Airport
Our best Cathay Pacific deals on Boston to Osaka Kansai Intl Airport flight tickets
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How to get the cheapest flight ticket from Boston to Osaka Kansai Intl Airport
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 month to fly to Osaka Kansai Intl Airport?
In general, September is the cheapest month to fly from Boston to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $971. If you aren’t able to travel during the month of September, then book flights to Osaka Kansai Intl Airport from Boston during October instead. Flights to Osaka Kansai Intl Airport in October, while not as cheap as those in September, still average around $1,037.
What is the cheapest day to depart on your flight to Osaka Kansai Intl Airport?
The cheapest day to depart from Boston to Osaka Kansai Intl Airport is on a Wednesday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Wednesday will often find tickets for as low as $1,259. Flights from Boston to Osaka Kansai Intl Airport on a Friday will generally be more expensive and average around $1,606. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Osaka Kansai Intl Airport?
Our data shows that the cheapest Boston to Osaka Kansai Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Osaka Kansai Intl Airport in the evening for as low as $1,167. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $2,112 on average. Flights to Osaka Kansai Intl Airport from Boston in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Osaka Kansai Intl Airport?
You are more likely to see cheaper flights to Osaka Kansai Intl Airport from Boston when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Osaka Kansai Intl Airport for around $1,308 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Osaka Kansai Intl Airport from Boston for as low as $921 on momondo.
What is the cheapest airline that flies from Boston Logan Intl to Osaka Kansai Intl?
Air Canada, Etihad Airways, and Korean Air are the most popular carriers operating from Boston Logan Intl to Osaka Kansai Intl
What airlines fly to Osaka Kansai Intl Airport?
Cathay Pacific, ANA and United Airlines are the top three most popular airlines that fly to Osaka Kansai Intl Airport from Boston according to our data. Cathay Pacific is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Osaka Kansai Intl Airport. Keep in mind that there are 6 different airlines that fly to Osaka Kansai Intl Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Boston to Osaka Kansai Intl Airport
Cheap Boston to Osaka Kansai Intl Airport (BOS to KIX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Osaka Kansai Intl Airport
How far is Boston Logan Intl to Osaka Kansai Intl by plane?
There are 6871.6 mi between Boston Logan Intl and Osaka Kansai Intl. 19h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Boston Logan Intl Airport to Osaka Kansai Intl Airport?
Prices for flights from Boston Logan Intl Airport to Osaka Kansai Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Osaka Kansai Intl Airport?
As of March 2025, there are 6 operators available to choose from for flights from Boston Logan Intl Airport to Osaka Kansai Intl Airport.
How old do you have to be to fly from Boston Logan Intl Airport to Osaka Kansai Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Osaka Kansai Intl Airport.
What documentation or ID do you need to fly to Osaka Kansai Intl Airport?
The necessary travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Boston to Osaka Kansai Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Boston to Osaka Kansai Intl Airport is Cathay Pacific, representing 46% of all bookings. The subsequent popular airlines are ANA at 15%, United Airlines at 14%, and Air Canada at 9%.
Best airlines flying from Boston to Osaka Kansai Intl Airport
Compare and see reviews for airlines that fly from Boston to Osaka Kansai Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $867 | Free Cancellation | Rating 7.5 837 reviews | |||
| PriceFrom $867 | Free Cancellation | Rating 8.0 7,895 reviews | |||
| PriceFrom $979 | Free Cancellation | Rating 8.3 829 reviews | |||
| PriceFrom $1,051 | Free Cancellation | Rating 7.4 8,603 reviews | |||
| PriceFrom $1,192 | Free Cancellation | Rating 7.0 8,986 reviews | |||
| PriceFrom $1,239 | Free Cancellation | Rating 8.3 1,440 reviews |
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Why should I use momondo to find a flight deal from Boston to Osaka?
Finding the right flight to Osaka from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Osaka quick and easy, saving you time and money.
Can I find flights from Boston to Osaka with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Boston to Osaka flights to just show those with flexible booking policies.
How can momondo help me find flights from Boston to Osaka?
Once you have performed a search for Boston to Osaka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Boston to Osaka right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from Boston and alert you when they change.