$334 Cheap Flights to Karuizawa

Flights to Karuizawa at a glance

Traveling to Karuizawa is easy—simply choose between full-service and budget airlines. Compare journey times to find the best option that fits your budget and schedule, whether you're looking for cheap flights to Karuizawa or specific flights to Kita Karuizawa, all while planning to explore the city's renowned attractions.

• Major airport near Karuizawa: Haneda Airport (HND)
• Flights per week: 2,250+ flights arriving at Karuizawa airport
• Number of airlines that fly to Karuizawa: around 40+ carriers

Popular airport near Karuizawa

Karuizawa is a charming city ideal for skiing, adventure, and outdoor getaways. Visitors are drawn to its rich culture, stunning scenery, and family-friendly activities. The city is conveniently accessed via major airports, including Haneda Airport and Narita Airport, with efficient transport options connecting to Karuizawa Station.

• Haneda Airport (HND): Situated in Tokyo Prefecture, approximately 86 miles from Karuizawa, this airport facilitates both domestic and international flights, linking travelers to over 30 domestic cities and more than 220 international destinations. Passengers have the option to upgrade their experience with business class, premium economy class, or first class service for enhanced comfort, depending on the airline and route. Major airlines that operate at this airport include United, Japan Airlines, and Delta.

Top routes to Karuizawa

• Los Angeles (LAX) to Karuizawa (HND), with one-way tickets available from around $320
• New York (JFK/LGA) to Karuizawa (HND), with one-way fares starting at around $440
• Seattle (SEA) to Karuizawa (HND), with one-way fares starting at around $330
• San Francisco (SFO) to Karuizawa (HND), with one-way flight options from around $400
• Honolulu (HNL) to Karuizawa (HND), with one-way flights starting at around $250

Cheapest routes to Karuizawa

• Hakodate (HKD) to Karuizawa (HND), with low one-way fares from around $50
• Tokushima (TKS) to Karuizawa (HND), with low-cost one-way tickets from around $50
• Kagoshima (KOJ) to Karuizawa (HND), with affordable one-way prices from around $55
• Nagoya (NGO) to Karuizawa (HND), with low one-way fares from around $70
• Akita (AXT) to Karuizawa (HND), with cheap one-way fares from around $70

*Flight times and fares vary by season and availability and are based on one-way routes

Top airlines with flights to Karuizawa

• Japan Airlines: Operating flights to Haneda Airport (HND), Japan Airlines represents about 21% of the arrivals in Karuizawa. The typical one-way fare hovers around $530, with premium options including premium economy, business, and first class based on the specific route.
• United: United Airlines also services Haneda Airport (HND), accounting for roughly 20% of arrivals to Karuizawa. Passengers can expect an average one-way fare of about $610, with premium choices often featuring premium economy and business class depending on the route.
• All Nippon Airways: This airline flies into Haneda Airport (HND) and contributes approximately 17% of the arrivals in Karuizawa. The average one-way fare is around $610, with premium service options that may include premium economy, business, and first class based on the route.
• Delta: Delta Airlines operates flights to Haneda Airport (HND), making up about 14% of the arrivals in Karuizawa. The average one-way fare is approximately $630, with premium cabin options such as premium economy and business class available depending on the route.
• American Airlines: Serving Haneda Airport (HND), American Airlines accounts for roughly 8% of arrivals in Karuizawa. Travelers can expect an average one-way fare of around $670, with premium service options that may include premium economy and business class depending on the route.

Best time to fly to Karuizawa

The most popular months for travelers to fly to Karuizawa are February, March, and April, when peak temperatures in Karuizawa can reach up to 45.9°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 63.5°F. For better deals, February usually offers the lowest average one-way fare around $507, roughly 17% cheaper than the yearly average. Looking for additional cheaper months to fly? January and September offer average one-way fares roughly ranging from $508 to $541, making them good options for flexible travelers.

*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.

How to save money on a flight to Karuizawa

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

1. 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.
2. Set up price alerts—as an Expedia member you can use Price Tracking to receive notifications when flight prices change.
3. Bundle and save—book a flight and unlock a hotel deal on Expedia*, or explore our Karuizawa hotel and flight deals.
4. 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 baggage allowance before confirming your booking to avoid excess baggage fees at the airport.
5. Earn miles—you can earn airline miles when you book your Karuizawa flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Karuizawa

Karuizawa welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Karuizawa efficiently:

• Public transportation: From Haneda Airport, Haneda Airport Terminal 1 Station, a metro station, is located about 0.1 miles away on foot, while Anamoriinari Station, a train station, is situated approximately 2.7 miles from the airport by car.
• Hotel transfer: Transfers offer a convenient way to reach your hotel in Karuizawa, with private rides that can be arranged in advance.
• Car rental: Renting a car in Karuizawa is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Karuizawa on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Where to stay around Karuizawa

• Tsumagoi: Located 13 miles drive away from Karuizawa, Tsumagoi is a vibrant destination for outdoor enthusiasts. Renowned for its skiing opportunities, this city offers thrilling adventures on its ski fields and resorts. After a day on the slopes, unwind at the local onsens or explore the serene lakes nearby. Notable attractions include the family-friendly Karuizawa Toy Kingdom and the stunning Yubatake hot spring, perfect for relaxation. For the adventurous, Mount Kusatsu-Shirane provides breathtaking views and an exhilarating hiking experience.
• Nanmoku: Situated 29 miles drive away from Karuizawa, Nanmoku is a cultural gem that welcomes families and outdoor lovers alike. Visitors can immerse themselves in the arts at local galleries and museums, or enjoy a peaceful day at the planetarium observatory. The Hoshino Onsen Hot Spring offers a soothing retreat, while the charming Old Karuizawa Ginza Street is ideal for leisurely strolls. Don’t miss the Karuizawa Kogen Church, a beautiful spot for those interested in local culture.
• Miyota: Miyota is located 5 miles drive away from Karuizawa and is an inviting destination for adventure seekers. Known for its ski facilities and outdoor activities, this city caters to both thrill-seekers and those looking for relaxation. Visitors can enjoy the rejuvenating Hoshino Onsen Hot Spring or explore the picturesque lakes in the area. The Karuizawa Kogen Church adds a touch of cultural richness, while the historic Old Karuizawa Ginza Street offers quaint shops and delightful dining options.

Tips for short-haul flights to Karuizawa

For quick getaways, efficiency is key. Here is how to make your short-haul journey smoother:

• Pack light and skip checked bags—with budget airlines, traveling with just a carry-on is often the more economical choice. Maximize your space by using mini toiletries, wearing your bulkiest clothing, and planning your outfits carefully. This strategy also helps you bypass the wait at baggage claim upon arrival.
• Bring your own entertainment—many short-haul flights may lack in-flight entertainment options. Download your favorite TV shows, movies, music, or podcasts ahead of time, and consider bringing a book to keep yourself engaged. Remember to fully charge your devices before you board.
• Arrive at the airport in plenty of time—even for short or domestic flights, it’s advisable to arrive at least 1.5 to 2 hours before your departure, taking into account traffic and security lines.
• Bring your own snacks and water—pack some snacks and a refillable water bottle to stay hydrated and save money while at the airport.

Tips for long-haul flights to Karuizawa

Flying long-haul sometimes requires extra planning to ensure a comfortable journey:

• Select your seat in advance—for longer flights, choosing your seat is essential for comfort. Full-service airlines typically allow free seat selection once online check-in begins, which is generally 24–48 hours prior to your flight. Some airlines may permit seat selection even earlier.
• Arrive at the airport in plenty of time—make it a point to reach the airport at least 3 hours before departure for international flights to accommodate check-in, security, and immigration procedures.
• Relax at the airport—if you find yourself with extra time, take the opportunity to explore the shops, enjoy a coffee at a café, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is typically free and available.
• Adjust to the new time zone mid-flight—begin acclimating your body clock by setting your watch and adjusting your sleep schedule to align with your destination's time zone. Aim to sleep or stay awake during the flight according to the local time at your arrival point to help minimize jet lag.

Tips to find the cheapest flights to Karuizawa

The cheapest day to fly

Get started finding a cheap flight to Karuizawa on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

December is the cheapest month to fly to Karuizawa. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Karuizawa. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Karuizawa, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Karuizawa

The lowest price for round-trip flights to Karuizawa in 2026 starts from $664, while one-way tickets start from from $334. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Karuizawa. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Karuizawa

ZIPAIR, Air Canada, Delta, Alaska Airlines, American Airlines, All Nippon Airways, Singapore Airlines, United are just some of the airlines that can typically offer cheap tickets to Karuizawa. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Karuizawa and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Karuizawa, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Karuizawa. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Karuizawa plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Karuizawa

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Karuizawa.

Stopover savings

The cheapest tickets to Karuizawa are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Karuizawa. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Karuizawa for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Karuizawa. Simply download the free Expedia app to your smart device and activate Karuizawa flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Karuizawa. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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