$350 Find Cheap Flights from Illinois to Japan

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Japan

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info

Good to know

Low seasonAugust
Cheapest flight$350
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from St. Louis to Tokyo Haneda

Flights from Illinois to Japan: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Illinois to Japan 
Verified travelerFlew with ANAORD-HNDJan 2025
Consider light carry-ons to give yourself stretch room for economy and quick onboarding and off boarding especially with connecting flights.
RogerFlew with ANAORD-HNDFeb 2024
The extra leg room and been able to recline better is worth the extra money. I bidding on the premium and offered the least they would accept and got it.

FAQs for booking flights from Illinois to Japan

  • How does KAYAK find such low prices on flights from Illinois to Japan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Japan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Japan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Japan is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Japan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Illinois to Japan with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Japan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Illinois to Japan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines fly most frequently to Japan?

    ANA connects Illinois to Japan with 21 flights per week. United Airlines also offers 21 flights per week, while American Airlines follows with 14 flights per week.

  • How many airports are there in Japan?

    There are 79 airports in Japan. The busiest airport is Tokyo Haneda Airport (HND), with 27% of all flights arriving there.

  • Which is the cheapest airport to fly into in Japan?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Japan is Tokyo Narita Airport (NRT), with an average flight price of $484.

  • What is the cheapest day to fly to Japan?

    Based on KAYAK data, the cheapest day to fly to Japan is Monday where round-trip tickets can be as cheap as $1,150. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,700 on average.

  • What is the cheapest time of day to fly to Japan?

    The cheapest time of day to fly to Japan is generally in the evening, when round-trip flights cost $1,198 on average. Morning departures are around 23% more expensive than evening flights, on average. The most expensive time of day to fly to Japan is generally at night, which is peak travel time and where the average cost of a ticket is $1,697.

  • What is the cheapest flight to Japan?

    The cheapest ticket to Japan from Illinois found in the last 72 hours was to Tokyo Haneda Airport, at $674 round-trip. The most popular route is Chicago O'Hare Intl Airport (ORD) to Tokyo Haneda Airport (HND) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $674.

  • What is the cheapest month to fly from Illinois to Japan?

    The cheapest month for flights from Illinois to Japan is September, when tickets cost $930 (return) on average. On the other hand, the most expensive months are June and August, when the average cost of round-trip tickets is $1,723 and $1,695 respectively.

  • How far in advance should I book a flight from Illinois to Japan?

    To get a below average price on the flight from Illinois to Japan, you should book around 3 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

  • How many cities have direct flights to Japan?

    From Illinois, there are direct flights to Japan from 1 city. This city is Chicago and there are 105 direct flights each week.

  • How many direct flights to Japan are there each day?

    There are around 15 direct flights from within Illinois to Japan every day. Most flights (53%) depart in the morning.

  • How many direct flights to Japan are there each week?

    Each week there are around 105 direct flights from within Illinois to Japan. The most common day for departures is Monday, with 14% of flights taking off on this day.

  • How long is the flight to Japan?

    An average nonstop flight from Illinois to Japan takes 26h 11m, covering a distance of 6537 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Tokyo Narita Airport (NRT) with an average flight time of 12h 45m.

  • How many long-haul flights are there to Japan each week?

    There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Japan. Instead, there are 105 long-haul flights (6-12 hour flight duration), with the most arriving from Chicago.

  • What are the most popular destinations in Japan?

    Based on KAYAK flight searches, the most popular destination is Tokyo (92% of total searches to Japan). The next most popular destinations are Osaka (5%) and Okinawa (1%). Searches for flights to Fukuoka (1%), to Sapporo Chitose Airport (0%) and to Hiroshima (0%) are also popular.

Everything you need to know for your flight to Japan

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.