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Dulles International Airport to Louisville International Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Louisville International Airport over the next 90 days, with one-way fares from $209 and round-trip from $205. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      IAD 12:50 PM
      1h 47m
      Nonstop
      SDF 2:37 PM
      Washington D.C. - Louisville | Wed, Dec 2 | United Airlines
      SDF 9:55 AM
      1h 39m
      Nonstop
      IAD 11:34 AM
      Louisville - Washington D.C. | Wed, Dec 9 | United Airlines
      $279 $315
      11% off
      11% off
      $315 $279
    • IAD 12:50 PM
      1h 57m
      Nonstop
      SDF 2:47 PM
      Washington D.C. - Louisville | Sun, Nov 8 | United Airlines
      SDF 9:55 AM
      1h 38m
      Nonstop
      IAD 11:33 AM
      Louisville - Washington D.C. | Sun, Nov 15 | United Airlines
      $280 $315
      11% off
      11% off
      $315 $280
    • IAD 7:39 PM
      4h 30m
      1 stop
      SDF 12:09 AM
      Washington D.C. - Louisville | Fri, Dec 11 | Delta Air Lines
      SDF 3:02 PM
      4h 26m
      1 stop
      DCA 7:28 PM
      Louisville - Washington D.C. | Sat, Dec 12 | Delta Air Lines
      $205 $315
      35% off
      35% off
      $315 $205
    • IAD 11:30 AM
      5h 46m
      1 stop
      SDF 5:16 PM
      Washington D.C. - Louisville | Wed, Dec 9 | Delta Air Lines
      SDF 7:41 AM
      3h 53m
      1 stop
      DCA 11:34 AM
      Louisville - Washington D.C. | Sat, Dec 12 | Delta Air Lines
      $207
      34% off
      $315 $207
    • IAD 5:00 PM
      4h 51m
      1 stop
      SDF 9:51 PM
      Washington D.C. - Louisville | Tue, Dec 1 | Delta Air Lines
      SDF 7:41 AM
      3h 54m
      1 stop
      DCA 11:35 AM
      Louisville - Washington D.C. | Tue, Dec 8 | Delta Air Lines
      $216
      31% off
      $315 $216
    • IAD 5:00 PM
      4h 42m
      1 stop
      SDF 9:42 PM
      Washington D.C. - Louisville | Mon, Nov 23 | Delta Air Lines
      SDF 5:56 PM
      5h 27m
      1 stop
      IAD 11:23 PM
      Louisville - Washington D.C. | Tue, Dec 1 | Delta Air Lines
      $232
      26% off
      $315 $232
    • IAD 10:06 AM
      4h 7m
      1 stop
      SDF 2:13 PM
      Washington D.C. - Louisville | Tue, Nov 17 | Delta Air Lines
      SDF 5:59 PM
      5h 45m
      1 stop
      DCA 11:44 PM
      Louisville - Washington D.C. | Sat, Nov 21 | Delta Air Lines
      $234
      26% off
      $315 $234
    • IAD 10:06 AM
      4h 7m
      1 stop
      SDF 2:13 PM
      Washington D.C. - Louisville | Wed, Nov 18 | Delta Air Lines
      SDF 5:59 PM
      5h 45m
      1 stop
      DCA 11:44 PM
      Louisville - Washington D.C. | Sat, Nov 21 | Delta Air Lines
      $234
      26% off
      $315 $234
    • IAD 7:37 PM
      4h 33m
      1 stop
      SDF 12:10 AM
      Washington D.C. - Louisville | Thu, Nov 12 | Delta Air Lines
      SDF 8:05 AM
      5h 49m
      1 stop
      IAD 1:54 PM
      Louisville - Washington D.C. | Sun, Nov 15 | Delta Air Lines
      $237
      25% off
      $315 $237
    • WAS 1:00 PM
      17h 25m
      1 stop
      SDF 2:00 PM
      Washington D.C. - Louisville | Tue, Nov 3 | Normal Airline
      SDF 3:00 PM
      6h
      Nonstop
      WAS 4:00 PM
      Louisville - Washington D.C. | Thu, Nov 5 | Normal Airline
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    • Cheapest
      IAD 11:48 AM
      4h 20m
      1 stop
      SDF 4:08 PM
      Washington D.C. - Louisville | Sun, Dec 13 | American Airlines
      $209 $274
      24% off
      24% off
      $274 $209
    • IAD 6:12 PM
      5h 47m
      1 stop
      SDF 11:59 PM
      Washington D.C. - Louisville | Sat, Nov 14 | Delta Air Lines
      $211 $274
      23% off
      23% off
      $274 $211
    • IAD 6:00 AM
      4h 21m
      1 stop
      SDF 10:21 AM
      Washington D.C. - Louisville | Wed, Nov 11 | Delta Air Lines
      $212 $274
      23% off
      23% off
      $274 $212
    • IAD 6:00 AM
      5h 20m
      1 stop
      SDF 11:20 AM
      Washington D.C. - Louisville | Sat, Nov 14 | American Airlines
      $215
      22% off
      $274 $215
    • IAD 6:00 AM
      5h 57m
      1 stop
      SDF 11:57 AM
      Washington D.C. - Louisville | Thu, Dec 24 | Delta Air Lines
      $216
      21% off
      $274 $216
    • IAD 6:00 AM
      4h 40m
      1 stop
      SDF 10:40 AM
      Washington D.C. - Louisville | Sun, Dec 13 | Delta Air Lines
      $216
      21% off
      $274 $216
    • IAD 12:55 PM
      1h 56m
      Nonstop
      SDF 2:51 PM
      Washington D.C. - Louisville | Thu, Dec 24 | United Airlines
      $230
      16% off
      $274 $230
    • IAD 8:37 AM
      1h 57m
      Nonstop
      SDF 10:34 AM
      Washington D.C. - Louisville | Fri, Nov 6 | United Airlines
      $232
      15% off
      $274 $232
    • IAD 8:17 AM
      1h 57m
      Nonstop
      SDF 10:14 AM
      Washington D.C. - Louisville | Sun, Dec 6 | United Airlines
      $237
      14% off
      $274 $237
    • WAS 1:00 PM
      17h 25m
      1 stop
      SDF 2:00 PM
      Washington D.C. - Louisville | Tue, Nov 3 | Normal Airline
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    • Cheapest nonstop
      IAD 12:55 PM
      1h 56m
      Nonstop
      SDF 2:51 PM
      Washington D.C. - Louisville | Thu, Dec 24 | United Airlines
      $230 $274
      16% off
      16% off
      $274 $230
    • IAD 8:37 AM
      1h 57m
      Nonstop
      SDF 10:34 AM
      Washington D.C. - Louisville | Fri, Nov 6 | United Airlines
      $232 $274
      15% off
      15% off
      $274 $232
    • IAD 8:17 AM
      1h 57m
      Nonstop
      SDF 10:14 AM
      Washington D.C. - Louisville | Sun, Dec 6 | United Airlines
      $237 $274
      14% off
      14% off
      $274 $237
    • IAD 5:35 PM
      1h 55m
      Nonstop
      SDF 7:30 PM
      Washington D.C. - Louisville | Sat, Nov 14 | United Airlines
      $243
      11% off
      $274 $243
    • WAS 1:00 PM
      17h 25m
      1 stop
      SDF 2:00 PM
      Washington D.C. - Louisville | Tue, Nov 3 | Normal Airline
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    • IAD 3:22 PM
      4h 15m
      1 stop
      SDF 7:37 PM
      Washington D.C. - Louisville | Mon, Dec 28 | American Airlines
      $270 $304
      11% off
      11% off
      $304 $270
    • IAD 6:00 AM
      4h 47m
      1 stop
      SDF 10:47 AM
      Washington D.C. - Louisville | Mon, Dec 28 | Delta Air Lines
      $270 $304
      11% off
      11% off
      $304 $270
    • WAS 1:00 PM
      17h 25m
      1 stop
      SDF 2:00 PM
      Washington D.C. - Louisville | Tue, Nov 3 | Normal Airline
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    • IAD 5:35 PM
      1h 55m
      Nonstop
      SDF 7:30 PM
      Washington D.C. - Louisville | Sat, Nov 14 | United Airlines
      $243 $274
      11% off
      11% off
      $274 $243
    • IAD 12:55 PM
      1h 56m
      Nonstop
      SDF 2:51 PM
      Washington D.C. - Louisville | Thu, Dec 24 | United Airlines
      $230 $274
      16% off
      16% off
      $274 $230
    • IAD 8:37 AM
      1h 57m
      Nonstop
      SDF 10:34 AM
      Washington D.C. - Louisville | Fri, Nov 6 | United Airlines
      $232 $274
      15% off
      15% off
      $274 $232
    • IAD 8:17 AM
      1h 57m
      Nonstop
      SDF 10:14 AM
      Washington D.C. - Louisville | Sun, Dec 6 | United Airlines
      $237
      14% off
      $274 $237
    • IAD 1:24 PM
      4h 2m
      1 stop
      SDF 5:26 PM
      Washington D.C. - Louisville | Tue, Dec 1 | American Airlines
      $240
      12% off
      $274 $240
    • IAD 11:48 AM
      4h 20m
      1 stop
      SDF 4:08 PM
      Washington D.C. - Louisville | Sun, Dec 13 | American Airlines
      $209
      24% off
      $274 $209
    • IAD 6:00 AM
      4h 21m
      1 stop
      SDF 10:21 AM
      Washington D.C. - Louisville | Wed, Nov 11 | Delta Air Lines
      $212
      23% off
      $274 $212
    • IAD 6:00 AM
      4h 40m
      1 stop
      SDF 10:40 AM
      Washington D.C. - Louisville | Sun, Dec 13 | Delta Air Lines
      $216
      21% off
      $274 $216
    • IAD 6:00 AM
      5h 20m
      1 stop
      SDF 11:20 AM
      Washington D.C. - Louisville | Sat, Nov 14 | American Airlines
      $215
      22% off
      $274 $215
    • WAS 1:00 PM
      17h 25m
      1 stop
      SDF 2:00 PM
      Washington D.C. - Louisville | Tue, Nov 3 | Normal Airline
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Displayed flight fares from Washington D.C. to Louisville are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Dulles International Airport to Louisville International Airport?

The cheapest airline flying from Dulles International Airport to Louisville International Airport is Delta Air Lines (from $205) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From $205
American Airlines
From $206
Frontier Airlines
From $226
United Airlines
From $230

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What is the flight schedule from Dulles International Airport to Louisville International Airport?

Check the schedule for flights from Washington D.C. to Louisville and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA3980

    Dulles International Airport

    1:00 PM

    IAD

    1h 47m

    2:47 PM

    SDF

    S M T W T F S
    Search

  2. UA4055

    Dulles International Airport

    5:35 PM

    IAD

    1h 39m

    7:14 PM

    SDF

    S M T W T F S
    Search

  3. AA5220

    Dulles International Airport

    1:09 PM

    IAD

    1h 35m

    Nonstop

    2:44 PM

    CLT

    - - - W T F S
    Search

  4. AA2854

    Charlotte Douglas International Airport

    4:02 PM

    CLT

    1h 30m

    Nonstop

    5:32 PM

    SDF

    S M T W T F S

  5. DL1324

    Dulles International Airport

    10:05 AM

    IAD

    1h 57m

    Nonstop

    12:02 PM

    ATL

    S M T W T F S
    Search

  6. DL3195

    Hartsfield–Jackson Atlanta International Airport

    12:30 PM

    ATL

    1h 19m

    Nonstop

    1:49 PM

    SDF

    S M T W T F S

  7. AA5222

    Dulles International Airport

    12:46 PM

    IAD

    1h 33m

    Nonstop

    2:19 PM

    CLT

    S M T W T F S
    Search

  8. AA5126

    Charlotte Douglas International Airport

    10:41 PM

    CLT

    1h 38m

    Nonstop

    12:19 AM

    SDF

    S M T W T F S

  9. DL2327

    Dulles International Airport

    6:00 AM

    IAD

    1h 58m

    Nonstop

    7:58 AM

    ATL

    S M T W T F S
    Search

  10. DL1374

    Hartsfield–Jackson Atlanta International Airport

    8:33 AM

    ATL

    1h 21m

    Nonstop

    9:54 AM

    SDF

    S M T W T F S

  11. DL1324

    Dulles International Airport

    10:05 AM

    IAD

    1h 57m

    Nonstop

    12:02 PM

    ATL

    S M T W T F S
    Search

  12. DL1126

    Hartsfield–Jackson Atlanta International Airport

    3:30 PM

    ATL

    1h 21m

    Nonstop

    4:51 PM

    SDF

    S M T W T F S

  13. DL2327

    Dulles International Airport

    6:00 AM

    IAD

    1h 58m

    Nonstop

    7:58 AM

    ATL

    S M T W T F S
    Search

  14. DL1481

    Hartsfield–Jackson Atlanta International Airport

    10:11 AM

    ATL

    1h 25m

    Nonstop

    11:36 AM

    SDF

    S M T W T F S

  15. DL1354

    Dulles International Airport

    7:00 AM

    IAD

    2h

    Nonstop

    9:00 AM

    ATL

    S M T W T F S
    Search

  16. DL3195

    Hartsfield–Jackson Atlanta International Airport

    12:30 PM

    ATL

    1h 19m

    Nonstop

    1:49 PM

    SDF

    S M T W T F S
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About Dulles International Airport and Louisville International Airport

Learn about Dulles International Airport (IAD) and Louisville International Airport (SDF) — including location, terminals, transportation, and travel tips.

Flight distance 726.64 km
Cheapest one-way ticket price $209
Cheapest return ticket price $205

FAQs for Dulles International Airport to Louisville International Airport Flights

  • How long is the flight from Dulles International Airport to Louisville International Airport?

    Dulles International Airport to Louisville International Airport takes about 1 hour 15 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from Dulles International Airport (IAD) to Louisville International Airport (SDF).
  • The earliest flight from Dulles International Airport to Louisville International Airport departs at 08:35, and the last departs at 17:35, with about 5 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Dulles International Airport (IAD) to Louisville International Airport (SDF) is quite popular. Without considering departure times or holidays, tickets cost around $441 in October, the most expensive month to book this route.
  • The earliest flight departs from Dulles International Airport (IAD) at 08:29 and arrives in Louisville International Airport (SDF) at 10:16.
  • The latest flight departs from Dulles International Airport (IAD) at 17:10 and arrives in Louisville International Airport (SDF) at 18:49.
  • United Airlines is a very popular airline operating an average of 96 flights per month.
  • One-way flights from Dulles International Airport to Louisville International Airport currently start from $209, and round-trip fares start from $205. The current lowest fare is a American Airlines flight departing on Sun, Dec 13; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Dulles International Airport to Louisville International Airport, with an average flight time of 1 hour 15 minutes, and around 18 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to Louisville International Airport is $323. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to Louisville International Airport operates around 18 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Dulles International Airport and Louisville International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

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

Book with no extra fees

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.