$379 Cheap Flights to Isumi

Flights to Isumi at a glance

Traveling to Isumi is a breeze—simply select from full-service or budget airlines, compare travel times, and choose the flight that aligns with your budget and itinerary to explore the city's renowned attractions and neighborhoods.

• Major airports near Isumi: Haneda Airport (HND), Narita International Airport (NRT)
• Closest airport to Isumi: Narita International Airport, NRT (around 36 miles)
• Flights per week: 4,300+ flights arriving across Isumi airports
• Number of airlines that fly to Isumi: around 80+ carriers

Popular airports near Isumi

Isumi is a charming city ideal for family getaways, business trips, and urban exploration. Visitors are drawn to Isumi for its family-friendly activities, outdoor adventures, beautiful beaches, vibrant culture, and city life. The city is conveniently accessible via two major airports.

• Haneda Airport (HND): Situated in Tokyo Prefecture, approximately 40 miles from Isumi, this airport offers both domestic and international flights, linking to over 30 domestic locations and more than 220 worldwide destinations. Travelers can opt for upgraded seating options such as business class, premium economy class, or first class, depending on their chosen airline and route. Major carriers at this airport include United, Japan Airlines, and Delta.
• Narita International Airport (NRT): Found in Chiba Prefecture, about 36 miles from Isumi, Narita serves as a hub for both domestic and international travel, connecting to roughly 10 domestic cities and more than 220 international destinations. Passengers have the opportunity to enhance their flying experience by selecting from business class, premium economy class, or first class seating, depending on the airline and route. Notable airlines operating here include United, ZIPAIR, and Japan Airlines.

Top routes to Isumi

• Los Angeles (LAX) to Isumi (HND/NRT), with one-way airfare from around $260
• San Francisco (SFO) to Isumi (HND/NRT), with one-way flight options from around $280
• New York (JFK/LGA) to Isumi (HND/NRT), with one-way tickets available from around $440
• Seattle (SEA) to Isumi (HND/NRT), with one-way tickets available from around $330
• Seoul (GMP/ICN) to Isumi (HND/NRT), with one-way airfare from around $75

Cheapest routes to Isumi

• Takamatsu (TAK) to Isumi (HND/NRT), with cheap one-way fares from around $35
• Oita (OIT) to Isumi (HND/NRT), with low one-way fares from around $45
• Cheongju (CJJ) to Isumi (NRT), with low-cost one-way tickets from around $45
• Osaka (KIX/ITM) to Isumi (HND/NRT), with low one-way fares from around $45
• Sapporo (CTS) to Isumi (HND/NRT), with cheap one-way fares from around $45

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

Top airlines with flights to Isumi

• United: This airline operates flights to Haneda Airport (HND) and Narita International Airport (NRT), representing around 18% of arrivals in Isumi. The typical one-way fare is about $610, with premium cabin services potentially including premium economy and business class options based on the specific route.
• Japan Airlines: Offering flights to both Haneda Airport (HND) and Narita International Airport (NRT), Japan Airlines makes up approximately 18% of Isumi's arrivals. Passengers can expect an average one-way fare of around $550, with premium cabin services that may feature premium economy, business class, and first class depending on the route.
• All Nippon Airways: This carrier flies to Haneda Airport (HND) and Narita International Airport (NRT), contributing roughly 13% of arrivals to Isumi. Average one-way fares hover around $630, and premium cabin offerings might include premium economy, business class, and first class based on the route taken.
• Delta: Delta Airlines operates flights to Haneda Airport (HND) and Narita International Airport (NRT), accounting for about 8% of arrivals in Isumi. The average one-way fare is approximately $670, with premium cabin service options that can include premium economy and business class depending on the route.
• American Airlines: This airline services both Haneda Airport (HND) and Narita International Airport (NRT), making up around 6% of arrivals to Isumi. The average one-way fare is about $680, with premium cabin options that may encompass premium economy and business class depending on the specific route.

Best time to fly to Isumi

The most popular months for travelers to fly to Isumi are February, March, and April, when peak temperatures in Isumi can reach up to 59°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 76.1°F. For better deals, January usually offers the lowest average one-way fare around $471, roughly 18% cheaper than the yearly average. Looking for additional cheaper months to fly? February and September offer average one-way fares roughly ranging from $484 to $509, 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 Isumi

Getting some of the best deals on flights to Isumi 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.*
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 Isumi flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Isumi

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

• Public transportation: From Haneda Airport, travelers will find Haneda Airport Terminal 1 Station, a metro station, just 0.1 miles away on foot, while Anamoriinari Station, a train station, is located about 2.7 miles from the airport and is best accessed by car.
• Hotel transfer: Transfers offer a convenient way to reach your hotel in Isumi, with private rides that can be arranged in advance.
• Car rental: Renting a car in Isumi is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Isumi 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 Isumi

• Onjuku: Onjuku, located 5 miles away from Isumi, is a charming coastal city perfect for families seeking outdoor adventures and beach experiences. Visitors can enjoy the sandy shores at Onjuku Beach, ideal for a relaxing beach vacation. Cultural enthusiasts will appreciate the Birthplace Monument of Traffic and Friendship between Japan, Spain, and Mexico. For those looking to connect with nature, Desert of Moon Park offers a family-friendly, eco-friendly environment to explore and unwind.
• Ichinomiya: Ichinomiya is located 8 miles away from Isumi and is a vibrant city that caters to families and outdoor lovers alike. The stunning Tsurigasaki Surfing Beach is a highlight for beachgoers wanting to catch some waves. For a rejuvenating experience, the Shirako Hot Spring provides a serene setting for wellness and relaxation. Don’t miss the Tamasaki Shrine, a cultural gem that offers a glimpse into the area's rich heritage.
• Katsuura: Katsuura, located 8 miles drive away from Isumi, is a bustling city renowned for its beautiful beaches and outdoor activities. Moriya Beach beckons visitors looking for a classic beach vacation, while Cape Hachiman Park offers breathtaking views and scenic strolls. The historical Tomisaki Shrine adds a cultural touch to your visit, making Katsuura a well-rounded destination for those seeking family, city, and outdoor experiences.

Tips for short-haul flights to Isumi

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 more cost-effective. Maximize space by using mini toiletries, wearing your bulkiest clothing, and planning your outfits carefully. This strategy also allows you to 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 entertained. Remember to fully charge your devices before you board.
• Arrive at the airport in plenty of time—for short or domestic flights, it’s advisable to arrive at least 1.5 to 2 hours prior to departure, taking into account traffic conditions and security lines.
• Bring your own snacks and water—pack your favorite snacks and a refillable water bottle to stay hydrated and save money while at the airport.

Tips for long-haul flights to Isumi

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 may allow you to select your seat for free once online check-in opens, typically 24–48 hours before your flight. Some airlines may provide seat selection even earlier than this.
• Arrive at the airport in plenty of time—aim to be at the airport at least 3 hours before departure for international flights to accommodate check-in, security, and immigration processes.
• Relax at the airport—if you have some extra time, take a moment to explore the shops, find a coffee shop, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is generally free and available.
• Adjust to the new time zone mid-flight—begin to align your body clock by changing your watch and sleep schedule to correspond with your destination's time zone. Try to sleep or stay awake during the flight according to the local time at your arrival destination to help minimize jet lag.

Tips to find the cheapest flights to Isumi

The cheapest day to fly

Get started finding a cheap flight to Isumi 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

September is the cheapest month to fly to Isumi. 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 Isumi. 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 Isumi, 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 Isumi

The lowest price for round-trip flights to Isumi in 2026 starts from $768, while one-way tickets start from from $379. 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 Isumi. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Isumi

Air Canada, United, Delta, American Airlines, All Nippon Airways, China Eastern Airlines, Alaska Airlines are just some of the airlines that can typically offer cheap tickets to Isumi. 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 Isumi and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Isumi, 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 Isumi. 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 Isumi 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 Isumi

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 Isumi.

Stopover savings

The cheapest tickets to Isumi are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Isumi. 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 Isumi 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 Isumi. Simply download the free Expedia app to your smart device and activate Isumi 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 Isumi. 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.