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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 €155 and round-trip from €171. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        IAD 08:35
        1h 43m
        Nonstop
        SDF 10:18
        Washington D.C. - Louisville | Fri, Oct 9 | United Airlines
        SDF 06:00
        1h 35m
        Nonstop
        IAD 07:35
        Louisville - Washington D.C. | Tue, Oct 13 | United Airlines
        €212 €315
        33% off
        33% off
        €315 €212
      • IAD 17:34
        1h 50m
        Nonstop
        SDF 19:24
        Washington D.C. - Louisville | Wed, Oct 14 | United Airlines
        SDF 06:00
        1h 35m
        Nonstop
        IAD 07:35
        Louisville - Washington D.C. | Wed, Oct 21 | United Airlines
        €223 €315
        28% off
        28% off
        €315 €223
      • IAD 06:00
        4h 19m
        1 stop
        SDF 10:19
        Washington D.C. - Louisville | Sun, Oct 4 | Delta Air Lines
        SDF 18:00
        5h 44m
        1 stop
        DCA 23:44
        Louisville - Washington D.C. | Sun, Oct 11 | Delta Air Lines
        €171 €315
        46% off
        46% off
        €315 €171
      • IAD 06:00
        4h 21m
        1 stop
        SDF 10:21
        Washington D.C. - Louisville | Fri, Nov 6 | Delta Air Lines
        SDF 17:57
        4h 52m
        1 stop
        DCA 22:49
        Louisville - Washington D.C. | Tue, Nov 10 | Delta Air Lines
        €171
        46% off
        €315 €171
      • IAD 06:00
        4h 19m
        1 stop
        SDF 10:19
        Washington D.C. - Louisville | Thu, Oct 8 | Delta Air Lines
        SDF 18:00
        6h 41m
        1 stop
        IAD 00:41
        Louisville - Washington D.C. | Sun, Oct 11 | Delta Air Lines
        €171
        46% off
        €315 €171
      • IAD 06:00
        6h 25m
        1 stop
        SDF 12:25
        Washington D.C. - Louisville | Sun, Sep 27 | Delta Air Lines
        SDF 06:00
        5h 30m
        1 stop
        IAD 11:30
        Louisville - Washington D.C. | Thu, Oct 1 | Delta Air Lines
        €172
        45% off
        €315 €172
      • IAD 06:00
        4h 21m
        1 stop
        SDF 10:21
        Washington D.C. - Louisville | Fri, Oct 23 | Delta Air Lines
        SDF 06:00
        5h 32m
        1 stop
        IAD 11:32
        Louisville - Washington D.C. | Wed, Oct 28 | Delta Air Lines
        €172
        45% off
        €315 €172
      • IAD 18:12
        5h 47m
        1 stop
        SDF 23:59
        Washington D.C. - Louisville | Sun, Oct 25 | Delta Air Lines
        SDF 06:00
        4h 10m
        1 stop
        IAD 10:10
        Louisville - Washington D.C. | Sun, Nov 1 | Delta Air Lines
        €172
        45% off
        €315 €172
      • IAD 06:05
        3h 54m
        1 stop
        SDF 09:59
        Washington D.C. - Louisville | Fri, Oct 30 | Delta Air Lines
        SDF 19:55
        4h 47m
        1 stop
        IAD 00:42
        Louisville - Washington D.C. | Tue, Nov 3 | Delta Air Lines
        €187
        41% off
        €315 €187
      • IAD 10:14
        6h 35m
        1 stop
        SDF 16:49
        Washington D.C. - Louisville | Wed, Oct 14 | Delta Air Lines
        SDF 08:05
        6h 3m
        1 stop
        IAD 14:08
        Louisville - Washington D.C. | Wed, Oct 21 | Delta Air Lines
        €189
        40% off
        €315 €189
      • IAD 17:13
        4h
        1 stop
        SDF 21:13
        Washington D.C. - Louisville | Tue, Nov 3 | Delta Air Lines
        SDF 06:00
        4h 10m
        1 stop
        IAD 10:10
        Louisville - Washington D.C. | Tue, Nov 10 | Delta Air Lines
        €189
        40% off
        €315 €189
      • IAD 06:00
        4h 19m
        1 stop
        SDF 10:19
        Washington D.C. - Louisville | Sat, Oct 10 | Delta Air Lines
        SDF 19:55
        4h 46m
        1 stop
        IAD 00:41
        Louisville - Washington D.C. | Tue, Oct 13 | Delta Air Lines
        €191
        39% off
        €315 €191
      • IAD 06:00
        4h 21m
        1 stop
        SDF 10:21
        Washington D.C. - Louisville | Sun, Nov 1 | Delta Air Lines
        SDF 17:57
        4h 52m
        1 stop
        DCA 22:49
        Louisville - Washington D.C. | Tue, Nov 3 | Delta Air Lines
        €204
        35% off
        €315 €204
      • IAD 19:37
        4h 33m
        1 stop
        SDF 00:10
        Washington D.C. - Louisville | Fri, Nov 20 | Delta Air Lines
        SDF 08:05
        5h 49m
        1 stop
        IAD 13:54
        Louisville - Washington D.C. | Mon, Nov 23 | Delta Air Lines
        €207
        34% off
        €315 €207
      • WAS 13:00
        17h 25m
        1 stop
        SDF 14:00
        Washington D.C. - Louisville | Sat, Sep 26 | Normal Airline
        SDF 15:00
        6h
        Nonstop
        WAS 16:00
        Louisville - Washington D.C. | Mon, Sep 28 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        IAD 08:37
        1h 57m
        Nonstop
        SDF 10:34
        Washington D.C. - Louisville | Fri, Nov 6 | United Airlines
        €202 €286
        28% off
        28% off
        €286 €202
      • IAD 12:55
        1h 44m
        Nonstop
        SDF 14:39
        Washington D.C. - Louisville | Sun, Oct 25 | United Airlines
        €203 €286
        28% off
        28% off
        €286 €203
      • IAD 11:12
        23h 51m
        1 stop
        SDF 11:03
        Washington D.C. - Louisville | Sat, Oct 3 | Frontier Airlines
        €155 €286
        46% off
        46% off
        €286 €155
      • IAD 06:00
        4h 21m
        1 stop
        SDF 10:21
        Washington D.C. - Louisville | Thu, Oct 22 | Delta Air Lines
        €183
        36% off
        €286 €183
      • IAD 18:12
        5h 47m
        1 stop
        SDF 23:59
        Washington D.C. - Louisville | Sat, Nov 14 | Delta Air Lines
        €184
        36% off
        €286 €184
      • IAD 06:00
        4h 21m
        1 stop
        SDF 10:21
        Washington D.C. - Louisville | Wed, Nov 11 | Delta Air Lines
        €185
        35% off
        €286 €185
      • IAD 06:10
        3h 42m
        1 stop
        SDF 09:52
        Washington D.C. - Louisville | Mon, Oct 5 | Delta Air Lines
        €185
        35% off
        €286 €185
      • IAD 06:00
        5h 20m
        1 stop
        SDF 11:20
        Washington D.C. - Louisville | Sat, Nov 14 | American Airlines
        €187
        35% off
        €286 €187
      • IAD 19:17
        4h 42m
        1 stop
        SDF 23:59
        Washington D.C. - Louisville | Sat, Oct 3 | Delta Air Lines
        €191
        33% off
        €286 €191
      • IAD 08:13
        4h 41m
        1 stop
        SDF 12:54
        Washington D.C. - Louisville | Thu, Oct 15 | Delta Air Lines
        €192
        33% off
        €286 €192
      • IAD 18:12
        5h 47m
        1 stop
        SDF 23:59
        Washington D.C. - Louisville | Sat, Nov 7 | Delta Air Lines
        €194
        32% off
        €286 €194
      • IAD 06:10
        3h 42m
        1 stop
        SDF 09:52
        Washington D.C. - Louisville | Mon, Oct 12 | Delta Air Lines
        €194
        32% off
        €286 €194
      • IAD 08:13
        6h 28m
        1 stop
        SDF 14:41
        Washington D.C. - Louisville | Thu, Oct 29 | Delta Air Lines
        €196
        31% off
        €286 €196
      • IAD 07:57
        4h 4m
        1 stop
        SDF 12:01
        Washington D.C. - Louisville | Thu, Oct 8 | American Airlines
        €196
        31% off
        €286 €196
      • WAS 13:00
        17h 25m
        1 stop
        SDF 14:00
        Washington D.C. - Louisville | Sat, Sep 26 | Normal Airline
        More cheap flights
        More cheap flights

Displayed flight fares from Dulles International Airport to Louisville International Airport 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 Frontier Airlines (from €155) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From €155
Delta Air Lines
From €171
American Airlines
From €187
United Airlines
From €202

Find more flights and airlines

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

Check on the flight schedule from Washington D.C. to Louisville to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA3525

    Dulles International Airport

    08:35

    IAD

    1h 43m

    10:18

    SDF

    S M T W T - S
    Search

  2. UA3980

    Dulles International Airport

    13:00

    IAD

    1h 47m

    14:47

    SDF

    S M T W T F S
    Search

  3. DL3826

    Dulles International Airport

    06:10

    IAD

    1h 37m

    Nonstop

    07:47

    DTW

    S M T W T F S
    Search

  4. DL5078

    Detroit Metropolitan Wayne County Airport

    08:25

    DTW

    1h 27m

    Nonstop

    09:52

    SDF

    S M T W T F S

  5. DL1787

    Dulles International Airport

    17:15

    IAD

    1h 37m

    Nonstop

    18:52

    DTW

    S M T W T F S
    Search

  6. DL5832

    Detroit Metropolitan Wayne County Airport

    20:15

    DTW

    1h 26m

    Nonstop

    21:41

    SDF

    S M T W T F S

  7. DL1324

    Dulles International Airport

    10:15

    IAD

    1h 48m

    Nonstop

    12:03

    ATL

    S M T W T F S
    Search

  8. DL3195

    Hartsfield–Jackson Atlanta International Airport

    12:30

    ATL

    1h 19m

    Nonstop

    13:49

    SDF

    S M T W T F S

  9. DL2127

    Dulles International Airport

    06:00

    IAD

    1h 54m

    Nonstop

    07:54

    ATL

    S M T W T F S
    Search

  10. DL1374

    Hartsfield–Jackson Atlanta International Airport

    09:00

    ATL

    1h 19m

    Nonstop

    10:19

    SDF

    S M T W T F S

  11. DL2902

    Dulles International Airport

    19:50

    IAD

    2h

    Nonstop

    21:50

    ATL

    S - - W T - S
    Search

  12. DL2624

    Hartsfield–Jackson Atlanta International Airport

    22:40

    ATL

    1h 22m

    Nonstop

    00:02

    SDF

    S M T W T F S
Find more flights and airlines

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 €155
Cheapest return ticket price €171

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 18 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 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 22:10, 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 €520 in November, the most expensive month to book this route.
  • The earliest flight departs from Dulles International Airport at 08:40 and arrives in Louisville International Airport at 10:27.
  • The latest flight departs from Dulles International Airport at 17:10 and arrives in Louisville International Airport 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 €155, and round-trip fares start from €171. The current lowest fare is a Frontier Airlines flight departing on Sat, Oct 3; 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 14 minutes, and around 19 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 €262. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to Louisville International Airport operates around 20 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 the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.