$390 Cheap Flights from Boston (BOS) to Tokyo (NRT)

Boston (BOS) to Tokyo (NRT) at a glance

Embark on an exciting journey from Boston (BOS) to Tokyo (NRT) with a selection of airlines that cater to both budget-conscious travelers and those seeking full-service options. You can easily compare various flight choices to find the itinerary that suits your needs, whether for business or leisure. Get ready to explore Tokyo's iconic attractions and vibrant neighborhoods as you gather essential details for flights from Logan International Airport (BOS) to Narita International Airport (NRT).

• Fastest flight duration: around 14 hours non-stop
• Route distance: roughly 6,700 miles (10,780 km)
• Flights per week: around 15+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $440–$1570, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BOS) to Narita International Airport (NRT)

According to recent traveler bookings, here are the top airlines flying from Boston to Tokyo, featuring both non-stop and one-stop options. Popular layover airports include Pierre Elliott Trudeau International Airport (YUL) with about a 1 hour 15 minute layover, Newark Liberty International Airport (EWR) at roughly 2 hours, and Pearson International Airport (YYZ) with a 4 hour 30 minute layover. This variety allows you to compare prices, total travel times, and cabin classes to create the perfect itinerary.

• Air Canada: This comprehensive carrier provides both one-stop and multi-stop options, with one-way ticket prices generally falling between $440 and $1150. It represents about 34% of flights on this route, featuring an in-flight duration of 15 hours and 30 minutes and a total travel time of around 18 hours.
• United: Another full-service airline, United offers one-stop travel with one-way fares typically between $450 and $1180. It accounts for roughly 20% of departures for this route, boasting an in-flight time of 15 hours and 30 minutes, leading to a total journey duration of about 18 hours, including layover.
• Japan Airlines: This full-service airline is known for its non-stop and one-stop services, with one-way fares ranging from $645 to $2980. Japan Airlines makes up about 17% of departures on this route, and non-stop flights have an average duration of 14 hours.
• American Airlines: Offering non-stop service, American Airlines has one-way fares that typically range from $760 to $5755. It represents around 11% of flights on this route, with a total travel time of approximately 14 hours.
• Cathay Pacific: This full-service carrier provides one-stop service with one-way fares usually ranging from $460 to $2240. Cathay Pacific accounts for about 7% of departures on this route, featuring an in-flight duration of 15 hours and 30 minutes and a total journey time of approximately 18 hours, including layover.

Travelers have the option to enhance their journey from Boston to Tokyo with upgraded flight choices. Japan Airlines and American Airlines both provide business class and premium economy class, while Air Canada features its business class, ensuring a more comfortable travel experience.

Best time to fly from Boston (BOS) to Tokyo (NRT)

The most popular months for travelers flying from Boston to Tokyo are March, April, and June, when peak temperatures in Tokyo reach up to 71.1°F in June. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 75°F. For better deals, August usually offers the lowest average one-way fare around $723. Flight availability peaks in March and October, with approximately 18 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 11 flights per week.

• Cheapest time to fly: August usually offers good deals with average one-way fare around $723, roughly 28% cheaper than the yearly average.
• Another budget-friendly time to fly: September typically offers an average one-way fare of around $830.
• Most flight options: March and October have the highest number of flights from Boston to Tokyo, with approximately 18 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Boston (BOS) to Tokyo (NRT)

• Boston to Tokyo (BOS-HND): Haneda Airport (HND) is located approximately 37 miles from Narita International Airport (NRT). One-way fares in economy class for this route generally vary between $435 and $1160, influenced by the time of year and how early you book. Travelers can choose from both one-stop and multi-stop itineraries, with common layover points at Washington Dulles International Airport (IAD) and Newark Liberty International Airport (EWR). Major airlines operating this route include United and Delta, with options for business and first class service as well.

How to find the best prices for flights from Boston (BOS) to Tokyo (NRT)

Getting some of the best deals on flights from Boston to Tokyo is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are often available when booking within two weeks, although most travelers tend to book at least two months in advance. Morning departures between 5 AM and 12 PM typically offer lower prices and are the most popular flight times. Additionally, flying on Mondays usually provides cheaper options, while Saturdays remain the most popular travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Narita International Airport from Logan International Airport

Tokyo welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Here's how to reach Tokyo efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Tokyo, with private rides that can be arranged in advance.
• Car rental: Renting a car from Narita International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Narita International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Narita International Airport, Narita Airport Terminal 2·3 Station, a train station, is located about 0.1 miles away on foot, providing convenient access for travelers.

Boston to Tokyo Flights

The cheapest times to fly from Boston to Tokyo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Tokyo are during the month of January. You can find some of the cheapest flights from Boston to Tokyo with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Boston to Tokyo

Sunday is one of the best days to book for cheap flights from Boston to Tokyo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Boston to Tokyo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Tokyo in 2026. You can also book with separate airlines for your outbound and return journeys, from $390 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Tokyo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Tokyo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.