$430 Find Cheap Flights from St. Louis to Japan - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Japan departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from St. Louis to Japan

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Tokyo
Tokyo2 stops$827
Okinawa
Okinawa2 stops$1,158
Fukuoka
Fukuoka2 stops$1,097
Hiroshima
Hiroshima2 stops$1,178
Tokyo
Tokyo2 stops$827
Okinawa
Okinawa2 stops$1,158
Fukuoka
Fukuoka2 stops$1,097
Hiroshima
Hiroshima2 stops$1,178

Book Cheap St. Louis to Japan Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Japan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Japan

Mon, Feb 1 - Wed, Feb 17
Air Canada Logo
7:04 pm - 4:30 pmSTL  Lambert-St Louis-NRT Tokyo Narita
30h 26m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:15 pm - 9:13 pmNRT  Tokyo Narita-STL Lambert-St Louis
41h 58m2 stops Vancouver Intl Chicago O'Hare Intl
$827Air Canada
Mon, Feb 1 - Tue, Feb 16
Air Canada Logo
4:05 pm - 4:30 pmSTL  Lambert-St Louis-NRT Tokyo Narita
33h 25m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
6:15 pm - 4:56 pmNRT  Tokyo Narita-STL Lambert-St Louis
37h 41m2 stops Vancouver Intl Chicago O'Hare Intl
$827Air Canada
Mon, Feb 1 - Wed, Feb 17
ANA Logo
6:30 am - 4:30 pmSTL  Lambert-St Louis-NRT Tokyo Narita
43h 00m1 stop Montreal Pierre Elliott Trudeau Intl
ANA Logo
6:45 pm - 3:26 pmNRT  Tokyo Narita-STL Lambert-St Louis
35h 41m1 stop Toronto Pearson Intl
$894ANA
Mon, Sep 7 - Mon, Sep 14
ANA Logo
8:55 am - 3:50 pmSTL  Lambert-St Louis-NRT Tokyo Narita
16h 55m1 stop Toronto Pearson Intl
ANA Logo
5:50 pm - 8:20 pmNRT  Tokyo Narita-STL Lambert-St Louis
16h 30m1 stop Toronto Pearson Intl
$930ANA
Tue, Sep 8 - Tue, Sep 15
Asiana Airlines Logo
8:55 am - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
17h 30m1 stop Toronto Pearson Intl
Asiana Airlines Logo
6:00 pm - 2:00 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
34h 00m2 stops Vancouver Intl Toronto Pearson Intl
$933Asiana Airlines
Mon, Sep 7 - Mon, Sep 28
Multiple Airlines Logo
2:40 pm - 10:30 pmSTL  Lambert-St Louis-HND Tokyo Haneda
41h 50m2 stops Toronto Pearson Intl Osaka Kansai Intl
Multiple Airlines Logo
6:05 pm - 2:17 pmHND  Tokyo Haneda-STL Lambert-St Louis
34h 12m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$1,043Multiple Airlines
Mon, Feb 1 - Wed, Feb 17
United Airlines Logo
7:33 am - 3:15 pmSTL  Lambert-St Louis-NRT Tokyo Narita
16h 42m1 stop Chicago O'Hare Intl
United Airlines Logo
5:40 pm - 8:59 pmNRT  Tokyo Narita-STL Lambert-St Louis
18h 19m1 stop Denver Intl
$1,109United Airlines
Mon, Feb 1 - Thu, Feb 18
United Airlines Logo
5:00 am - 3:00 pmSTL  Lambert-St Louis-NRT Tokyo Narita
19h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 pm - 9:13 pmNRT  Tokyo Narita-STL Lambert-St Louis
18h 13m1 stop Chicago O'Hare Intl
$1,109United Airlines
Wed, Sep 2 - Wed, Sep 9
American Airlines Logo
5:42 am - 3:55 pmSTL  Lambert-St Louis-NRT Tokyo Narita
20h 13m2 stops Dallas/Fort Worth Vancouver Intl
American Airlines Logo
6:55 pm - 11:30 pmNRT  Tokyo Narita-STL Lambert-St Louis
18h 35m2 stops Vancouver Intl Los Angeles Los Angeles
$1,109American Airlines
Mon, Feb 1 - Fri, Feb 12
American Airlines Logo
7:15 am - 3:40 pmSTL  Lambert-St Louis-NRT Tokyo Narita
17h 25m1 stop Dallas/Fort Worth
American Airlines Logo
5:30 pm - 10:57 pmNRT  Tokyo Narita-STL Lambert-St Louis
20h 27m1 stop Dallas/Fort Worth
$1,109American Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Japan flights

Get data-powered insights and trends into flights from St. Louis to Japan to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from St. Louis to Japan?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Japan, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Japan is February, when tickets cost $819 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,392 and $1,391 respectively.

How far in advance should I book a flight from St. Louis to Japan?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Japan, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Japan, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Find deals

Good to know

Low season

August

Cheapest flight

$430
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 3% increase in price.
Flight from St. Louis to Osaka

FAQs - booking Japan flights

  • Do I need to have a visa to fly from St. Louis to Japan?

    U.S. citizens who only plan to be in Japan for a few days or even weeks won't need to have visas to enter. You will, however, need to have a visa if you're planning to be in Japan for over 90 days. You'll also need both a valid American passport and a return ticket to remain in Japan.

  • Where are the most common stops on flights from St. Louis to Japan?

    Flights from St. Louis to Japan will stop at any number of airports en route to their final destinations. Some of the airports between St. Louis and Japan that are utilized for layovers include Los Angeles International Airport (LAX) Chicago O'Hare International Airport (ORD), Dulles International Airport (IAD) and George Bush Intercontinental Airport (IAH).

  • What is the most kid-friendly airline for flights from St. Louis to Japan?

    Many airlines that provide flights from St. Louis to Japan can cater to kids if you'll be bringing them with you on a flight. Delta goes above and beyond by providing children with everything from activity kits designed to keep them busy to healthy snacks to stop them from getting hungry.

  • How can I help my airline make a flight from St. Louis to Japan more sustainable?

    Almost all airlines that offer flights from St. Louis to Japan are working to become more sustainable these days. You can help the airline that you choose with this mission by packing light for your trip to Japan and by steering clear of generating too much waste while on your flight.

  • How does KAYAK find such low prices on flights from St. Louis 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 St. Louis to Japan.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis 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 St. Louis 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 St. Louis 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 St. Louis 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 St. Louis to Japan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Japan

  • Even though St. Louis Lambert International Airport (STL) is about 6,500 miles away from Japan, quite a few airlines can help you take flights from St. Louis to Japan. American Airlines, ANA, Delta, Japan Airlines, and United Airlines can all provide flights that will get you to Japan. Take advantage of this by shopping around for the best deals on flights.
  • One thing to keep in mind when searching for flights from St. Louis to Japan is that there are many airports throughout Japan. Narita International Airport (NRT) and Haneda Airport (HND) are good choices for those wishing to visit the Tokyo area. Kansai International Airport (KIX) and Osaka International Airport (ITM), meanwhile, are the best options for those booking flights to the Osaka area.
  • Nonstop flights from St. Louis to Japan are few and far between, but you can find one-stop flights. ANA, for example, has one-stop flights from St. Louis Lambert International Airport to Haneda Airport that will stop at Chicago, while Delta flights will stop at Atlanta before arriving at Haneda Airport.
  • Flying first class on flights from St. Louis to Japan will make sense for those who can afford it. An airline like Japan Airlines can set you up with a comfortable lie-flat seat in first class, in addition to other amenities like in-flight entertainment options and a long list of dining options you can enjoy.
  • You'll need to get to St. Louis Lambert International Airport at least 2 hours early to catch a flight to Japan. When you get there, you can kill time by hanging out at one of the airport's lounges. The Admirals Club will be available for American Airlines passengers, while the Wingtips Lounge will be open to passengers from all airlines for a fee.

Everything you need to know for your flight from St. Louis to Japan

Information on your arrival and departure airports

St. Louis (STL)