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Flights from Louisville to Tokyo

Flight Info | Louisville to Tokyo

The distance between Louisville and Tokyo is approximately 10,560.45 km. Based on Trip.com's data, travel demand peaks in July.

Cheapest one-way
$528
United Airlines United Airlines SDF-TYO 36h 24m · 1 stop Sun, Aug 23
View details
Cheapest round-trip
$902
United Airlines United Airlines SDF-TYO 33h 25m · 2 stops Wed, Sep 2 - Thu, Sep 10
View details
Recommended airlines
United Airlines United AirlinesCheapest· From $528
When to travel
August
Cheapest
July
Peak season for travel
Route details
10,560.45 km
Flight distance

Find flight deals from Louisville to Tokyo for the next 3 months. Book one way flights from $528 or round trip flights from $902.

      • SDF 3:35 PM
        33h 25m
        1 stop
        NRT 2:00 PM
        Louisville - Tokyo | Wed, Sep 2 | United Airlines
        NRT 4:30 PM
        19h 6m
        1 stop
        SDF 10:36 PM
        Tokyo - Louisville | Thu, Sep 10 | United Airlines
        $902 $1,394
        35% off
        35% off
        $1,394 $902
      • SDF 6:00 AM
        20h 20m
        1 stop
        HND 3:20 PM
        Louisville - Tokyo | Thu, Sep 10 | United Airlines
        NRT 5:25 PM
        18h 34m
        1 stop
        SDF 10:59 PM
        Tokyo - Louisville | Thu, Sep 17 | United Airlines
        $914 $1,394
        34% off
        34% off
        $1,394 $914
      • SDF 6:00 AM
        19h 15m
        1 stop
        HND 2:15 PM
        Louisville - Tokyo | Thu, Sep 10 | Delta Air Lines
        HND 6:25 PM
        15h 51m
        1 stop
        SDF 9:16 PM
        Tokyo - Louisville | Thu, Sep 17 | Delta Air Lines
        $935 $1,394
        33% off
        33% off
        $1,394 $935
      • SDF 5:45 PM
        38h 30m
        1 stop
        HND 9:15 PM
        Louisville - Tokyo | Sun, Sep 6 | United Airlines
        NRT 4:30 PM
        18h 59m
        1 stop
        SDF 10:29 PM
        Tokyo - Louisville | Mon, Sep 14 | United Airlines
        $1,017
        27% off
        $1,394 $1,017
      • SDF 6:15 AM
        18h 20m
        1 stop
        HND 1:35 PM
        Louisville - Tokyo | Fri, Sep 18 | United Airlines
        NRT 4:30 PM
        35h 4m
        1 stop
        SDF 2:34 PM
        Tokyo - Louisville | Fri, Sep 25 | United Airlines
        $1,020
        27% off
        $1,394 $1,020
      • SDF 8:00 AM
        17h 30m
        1 stop
        NRT 2:30 PM
        Louisville - Tokyo | Thu, Aug 27 | United Airlines
        HND 3:45 PM
        31h 33m
        1 stop
        SDF 10:18 AM
        Tokyo - Louisville | Thu, Sep 3 | United Airlines
        $1,030
        26% off
        $1,394 $1,030
      • SDF 10:23 AM
        15h 47m
        1 stop
        NRT 3:10 PM
        Louisville - Tokyo | Wed, Sep 16 | United Airlines
        NRT 4:30 PM
        18h 59m
        1 stop
        SDF 10:29 PM
        Tokyo - Louisville | Wed, Sep 23 | United Airlines
        $1,130
        19% off
        $1,394 $1,130
      • SDF 6:15 AM
        19h 15m
        1 stop
        NRT 2:30 PM
        Louisville - Tokyo | Thu, Aug 13 | United Airlines
        NRT 4:30 PM
        19h 1m
        1 stop
        SDF 10:31 PM
        Tokyo - Louisville | Fri, Aug 21 | United Airlines
        $1,135
        19% off
        $1,394 $1,135
      • SDF 8:00 AM
        17h 45m
        1 stop
        NRT 2:45 PM
        Louisville - Tokyo | Wed, Sep 9 | United Airlines
        NRT 5:00 PM
        15h 55m
        1 stop
        SDF 7:55 PM
        Tokyo - Louisville | Thu, Sep 17 | United Airlines
        $1,135
        19% off
        $1,394 $1,135
      • SDF 10:23 AM
        16h 2m
        1 stop
        HND 3:25 PM
        Louisville - Tokyo | Tue, Aug 25 | United Airlines
        NRT 5:00 PM
        15h 59m
        1 stop
        SDF 7:59 PM
        Tokyo - Louisville | Sat, Aug 29 | United Airlines
        $1,143
        18% off
        $1,394 $1,143
      • SDF 1:00 PM
        17h 25m
        1 stop
        TYO 2:00 PM
        Louisville - Tokyo | Sat, Jul 25 | Normal Airline
        TYO 3:00 PM
        6h
        Nonstop
        SDF 4:00 PM
        Tokyo - Louisville | Mon, Jul 27 | Normal Airline
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      • SDF 1:56 PM
        36h 24m
        1 stop
        HND 3:20 PM
        Louisville - Tokyo | Sun, Aug 23 | United Airlines
        $528 $744
        28% off
        28% off
        $744 $528
      • SDF 11:17 AM
        37h 58m
        1 stop
        HND 2:15 PM
        Louisville - Tokyo | Sun, Aug 23 | Delta Air Lines
        $542 $744
        27% off
        27% off
        $744 $542
      • SDF 10:23 AM
        15h 47m
        1 stop
        NRT 3:10 PM
        Louisville - Tokyo | Mon, Aug 17 | United Airlines
        $548 $744
        26% off
        26% off
        $744 $548
      • SDF 12:20 PM
        36h 15m
        1 stop
        HND 1:35 PM
        Louisville - Tokyo | Sun, Jul 26 | United Airlines
        $557
        25% off
        $744 $557
      • SDF 9:31 AM
        21h 29m
        1 stop
        NRT 8:00 PM
        Louisville - Tokyo | Sat, Aug 15 | Breeze Airways
        $575
        23% off
        $744 $575
      • SDF 6:15 AM
        18h 45m
        1 stop
        NRT 2:00 PM
        Louisville - Tokyo | Thu, Jul 30 | United Airlines
        $578
        22% off
        $744 $578
      • SDF 10:05 AM
        16h 50m
        1 stop
        HND 3:55 PM
        Louisville - Tokyo | Tue, Jul 28 | United Airlines
        $578
        22% off
        $744 $578
      • SDF 7:15 AM
        19h 10m
        1 stop
        HND 3:25 PM
        Louisville - Tokyo | Wed, Jul 29 | United Airlines
        $578
        22% off
        $744 $578
      • SDF 7:03 AM
        18h 57m
        1 stop
        NRT 3:00 PM
        Louisville - Tokyo | Mon, Aug 17 | American Airlines
        $579
        22% off
        $744 $579
      • SDF 6:38 AM
        19h 22m
        1 stop
        NRT 3:00 PM
        Louisville - Tokyo | Thu, Jul 30 | American Airlines
        $610
        18% off
        $744 $610
      • SDF 1:00 PM
        17h 25m
        1 stop
        TYO 2:00 PM
        Louisville - Tokyo | Sat, Jul 25 | Normal Airline
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Frequently Asked Questions

  • What are the cheapest flights from Louisville to Tokyo (SDF-TYO)?

    Based on Trip.com data, United Airlines offers one-way fares as low as $528 on Cheapest nonstop routes (e.g. SDF to HND on Sun, Aug 23), while United Airlines offers Cheapest nonstop round-trips from $902 departing on Wed, Sep 2 and returning on Thu, Sep 10.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Louisville to Tokyo is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Louisville to Tokyo, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Aug 23, with one-way flights priced at just $528.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Tokyo travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Louisville to Tokyo is August, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Louisville to Tokyo on July 25, 2026 with Japan Airlines, with prices starting at $1,244.
  • The time difference between Tokyo and Louisville is 14h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.