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Flights from Washington D.C. to Louisville

Flight Info | Washington D.C. to Louisville

The distance between Washington D.C. and Louisville is approximately 760.44 km. It takes around 1 hour 47 minutes on average to fly from Washington D.C. to Louisville. Based on Trip.com's data, travel demand peaks in January.

Cheapest one-way
$166
American Airlines American Airlines WAS-SDF 2h 1m · Nonstop Sat, Sep 12
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Cheapest round-trip
$161
Delta Air Lines Delta Air Lines WAS-SDF 4h 43m · 2 stops Thu, Sep 24 - Sat, Sep 26
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Recommended airlines
American Airlines American Airlines Cheapest · From $166 American Airlines American Airlines Most booked
When to travel
September
Cheapest
January
Peak season for travel
Route details
760.44 km
Flight distance
1h 47m
Average flight time

Book direct flights from Washington D.C. to Louisville: One way flights from $166, round trip flights from $172. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        DCA 8:23 AM
        2h 2m
        Nonstop
        SDF 10:25 AM
        Washington D.C. - Louisville | Sat, Aug 29 | American Airlines
        SDF 3:21 PM
        1h 51m
        Nonstop
        DCA 5:12 PM
        Louisville - Washington D.C. | Tue, Sep 1 | American Airlines
        $172 $242
        28% off
        28% off
        $242 $172
      • DCA 7:45 PM
        1h 53m
        Nonstop
        SDF 9:38 PM
        Washington D.C. - Louisville | Wed, Aug 19 | American Airlines
        SDF 6:11 AM
        1h 49m
        Nonstop
        DCA 8:00 AM
        Louisville - Washington D.C. | Wed, Aug 26 | American Airlines
        $175 $242
        28% off
        28% off
        $242 $175
      • DCA 7:45 PM
        1h 53m
        Nonstop
        SDF 9:38 PM
        Washington D.C. - Louisville | Mon, Aug 17 | American Airlines
        SDF 6:11 AM
        1h 49m
        Nonstop
        DCA 8:00 AM
        Louisville - Washington D.C. | Mon, Aug 24 | American Airlines
        $175 $242
        28% off
        28% off
        $242 $175
      • DCA 8:41 AM
        1h 59m
        Nonstop
        SDF 10:40 AM
        Washington D.C. - Louisville | Thu, Aug 20 | American Airlines
        SDF 10:55 AM
        1h 48m
        Nonstop
        DCA 12:43 PM
        Louisville - Washington D.C. | Sat, Aug 22 | American Airlines
        $176
        27% off
        $242 $176
      • IAD 7:16 PM
        4h 43m
        1 stop
        SDF 11:59 PM
        Washington D.C. - Louisville | Thu, Sep 24 | Delta Air Lines
        SDF 1:37 PM
        5h 53m
        1 stop
        DCA 7:30 PM
        Louisville - Washington D.C. | Sat, Sep 26 | Delta Air Lines
        $161
        33% off
        $242 $161
      • IAD 7:38 PM
        4h 24m
        1 stop
        SDF 12:02 AM
        Washington D.C. - Louisville | Thu, Oct 8 | Delta Air Lines
        SDF 12:53 PM
        4h 24m
        1 stop
        DCA 5:17 PM
        Louisville - Washington D.C. | Sat, Oct 10 | Delta Air Lines
        $165
        32% off
        $242 $165
      • IAD 6:00 AM
        4h 32m
        1 stop
        SDF 10:32 AM
        Washington D.C. - Louisville | Sat, Aug 29 | Delta Air Lines
        SDF 7:05 AM
        4h 28m
        1 stop
        IAD 11:33 AM
        Louisville - Washington D.C. | Tue, Sep 1 | Delta Air Lines
        $176
        27% off
        $242 $176
      • IAD 8:28 AM
        3h 53m
        1 stop
        SDF 12:21 PM
        Washington D.C. - Louisville | Thu, Aug 20 | Delta Air Lines
        SDF 1:17 PM
        6h 17m
        1 stop
        DCA 7:34 PM
        Louisville - Washington D.C. | Mon, Aug 24 | Delta Air Lines
        $180
        26% off
        $242 $180
      • WAS 1:00 PM
        17h 25m
        1 stop
        SDF 2:00 PM
        Washington D.C. - Louisville | Tue, Aug 18 | Normal Airline
        SDF 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Louisville - Washington D.C. | Thu, Aug 20 | Normal Airline
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      • Cheapest nonstop
        DCA 8:39 AM
        2h 1m
        Nonstop
        SDF 10:40 AM
        Washington D.C. - Louisville | Sat, Sep 12 | American Airlines
        $166 $284
        42% off
        42% off
        $284 $166
      • DCA 8:36 AM
        2h 4m
        Nonstop
        SDF 10:40 AM
        Washington D.C. - Louisville | Fri, Sep 11 | American Airlines
        $171 $284
        40% off
        40% off
        $284 $171
      • WAS 1:00 PM
        17h 25m
        1 stop
        SDF 2:00 PM
        Washington D.C. - Louisville | Tue, Aug 18 | Normal Airline
        Find more flights
        Find more flights

Popular airlines from Washington D.C. to Louisville

Direct flights available! Find 2 airlines fly direct from Washington D.C. to Louisville, including American Airlines, United Airlines, American Airlines offers the cheapest non stop flights.
American Airlines logo American Airlines
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Washington D.C. to Louisville according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Washington D.C. to Louisville (WAS-SDF)?

    Based on Trip.com data, American Airlines offers one-way fares as low as $166 on Cheapest nonstop routes (e.g. DCA to SDF on Sat, Sep 12), while Delta Air Lines offers Cheapest nonstop round-trips from $161 departing on Thu, Sep 24 and returning on Sat, Sep 26.
  • At the moment, you can catch a nonstop flight from Washington D.C. to Louisville with the following airlines, including: United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 1 hour 47 minutes to fly from Washington D.C. (WAS) to Louisville (SDF).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Louisville 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.
  • Based on Trip.com data in the past 4 weeks, there is 17 flight per week flying from Washington D.C. to Louisville. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/- -- AA5602 (08:45) American Airlines: S/M/T/W/T/F/S -- AA4672 (21:48)
  • To find best deals on flights from Washington D.C. to Louisville, 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 Sat, Sep 12, with one-way flights priced at just $166.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American 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 Louisville travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Louisville is September, when demand for travel is lower.
  • After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Washington D.C. to Louisville on August 29, 2026 with American Airlines, with prices starting at $172.
  • You can land at any one of the following hubs in Louisville, with Dulles International Airport to Louisville International Airport (IAD-SDF) is by far the most common option on this route: Louisville International Airport (SDF).
  • The time difference between Louisville and Washington D.C. is 0m.
  • 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Washington D.C. to Louisville is $250. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Washington D.C. to Louisville is $388. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Washington D.C. and Louisville, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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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.