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Louisville International Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Louisville International Airport to Dulles International Airport over the next 90 days, with one-way fares from $154 and round-trip from $179. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SDF 6:00 AM
        1h 35m
        Nonstop
        IAD 7:35 AM
        Louisville - Washington D.C. | Tue, Oct 20 | United Airlines
        IAD 12:50 PM
        1h 57m
        Nonstop
        SDF 2:47 PM
        Washington D.C. - Louisville | Tue, Oct 27 | United Airlines
        $257 $355
        28% off
        28% off
        $355 $257
      • SDF 6:00 AM
        1h 35m
        Nonstop
        IAD 7:35 AM
        Louisville - Washington D.C. | Thu, Oct 29 | United Airlines
        IAD 8:37 AM
        1h 57m
        Nonstop
        SDF 10:34 AM
        Washington D.C. - Louisville | Mon, Nov 2 | United Airlines
        $262 $355
        26% off
        26% off
        $355 $262
      • SDF 6:00 AM
        4h 10m
        1 stop
        IAD 10:10 AM
        Louisville - Washington D.C. | Sun, Nov 1 | Delta Air Lines
        DCA 10:10 AM
        4h 31m
        1 stop
        SDF 2:41 PM
        Washington D.C. - Louisville | Thu, Nov 5 | Delta Air Lines
        $179 $355
        50% off
        50% off
        $355 $179
      • SDF 5:38 PM
        5h 38m
        1 stop
        IAD 11:16 PM
        Louisville - Washington D.C. | Wed, Oct 21 | Delta Air Lines
        IAD 6:00 AM
        4h 21m
        1 stop
        SDF 10:21 AM
        Washington D.C. - Louisville | Wed, Oct 28 | Delta Air Lines
        $195
        45% off
        $355 $195
      • SDF 5:33 PM
        5h 43m
        1 stop
        IAD 11:16 PM
        Louisville - Washington D.C. | Sat, Nov 7 | Delta Air Lines
        DCA 6:10 AM
        3h 59m
        1 stop
        SDF 10:09 AM
        Washington D.C. - Louisville | Wed, Nov 11 | Delta Air Lines
        $197
        45% off
        $355 $197
      • SDF 7:05 AM
        4h 27m
        1 stop
        IAD 11:32 AM
        Louisville - Washington D.C. | Fri, Oct 30 | Delta Air Lines
        DCA 6:10 AM
        3h 49m
        1 stop
        SDF 9:59 AM
        Washington D.C. - Louisville | Fri, Nov 6 | Delta Air Lines
        $197
        45% off
        $355 $197
      • SDF 6:00 AM
        5h 37m
        1 stop
        IAD 11:37 AM
        Louisville - Washington D.C. | Thu, Nov 12 | Delta Air Lines
        DCA 12:31 PM
        4h 23m
        1 stop
        SDF 4:54 PM
        Washington D.C. - Louisville | Sun, Nov 15 | Delta Air Lines
        $197
        45% off
        $355 $197
      • SDF 7:55 PM
        4h 47m
        1 stop
        IAD 12:42 AM
        Louisville - Washington D.C. | Tue, Oct 27 | Delta Air Lines
        IAD 6:12 PM
        5h 47m
        1 stop
        SDF 11:59 PM
        Washington D.C. - Louisville | Tue, Nov 3 | Delta Air Lines
        $212
        40% off
        $355 $212
      • SDF 5:33 PM
        5h 43m
        1 stop
        IAD 11:16 PM
        Louisville - Washington D.C. | Tue, Nov 3 | Delta Air Lines
        DCA 6:30 PM
        4h 23m
        1 stop
        SDF 10:53 PM
        Washington D.C. - Louisville | Tue, Nov 10 | Delta Air Lines
        $212
        40% off
        $355 $212
      • SDF 9:06 AM
        4h 55m
        1 stop
        IAD 2:01 PM
        Louisville - Washington D.C. | Sun, Dec 6 | Delta Air Lines
        DCA 10:15 AM
        4h 2m
        1 stop
        SDF 2:17 PM
        Washington D.C. - Louisville | Thu, Dec 10 | Delta Air Lines
        $213
        40% off
        $355 $213
      • SDF 5:38 PM
        5h 38m
        1 stop
        IAD 11:16 PM
        Louisville - Washington D.C. | Sat, Oct 31 | Delta Air Lines
        IAD 5:08 PM
        4h 5m
        1 stop
        SDF 9:13 PM
        Washington D.C. - Louisville | Sun, Nov 1 | Delta Air Lines
        $214
        40% off
        $355 $214
      • SDF 5:33 PM
        5h 43m
        1 stop
        IAD 11:16 PM
        Louisville - Washington D.C. | Sun, Oct 18 | Delta Air Lines
        IAD 8:00 AM
        4h 54m
        1 stop
        SDF 12:54 PM
        Washington D.C. - Louisville | Sun, Oct 25 | Delta Air Lines
        $231
        35% off
        $355 $231
      • SDF 10:39 AM
        5h 49m
        1 stop
        IAD 4:28 PM
        Louisville - Washington D.C. | Fri, Oct 23 | Delta Air Lines
        DCA 6:10 AM
        5h
        1 stop
        SDF 11:10 AM
        Washington D.C. - Louisville | Sat, Oct 31 | Delta Air Lines
        $251
        28% off
        $355 $251
      • SDF 7:55 PM
        4h 47m
        1 stop
        IAD 12:42 AM
        Louisville - Washington D.C. | Fri, Oct 16 | Delta Air Lines
        IAD 7:45 PM
        4h 14m
        1 stop
        SDF 11:59 PM
        Washington D.C. - Louisville | Sat, Oct 24 | Delta Air Lines
        $253
        28% off
        $355 $253
      • SDF 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Louisville - Washington D.C. | Fri, Oct 16 | Normal Airline
        WAS 3:00 PM
        6h
        Nonstop
        SDF 4:00 PM
        Washington D.C. - Louisville | Sun, Oct 18 | Normal Airline
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      • Cheapest nonstop
        SDF 9:55 AM
        1h 38m
        Nonstop
        IAD 11:33 AM
        Louisville - Washington D.C. | Wed, Nov 25 | United Airlines
        $238 $328
        27% off
        27% off
        $328 $238
      • SDF 9:55 AM
        1h 38m
        Nonstop
        IAD 11:33 AM
        Louisville - Washington D.C. | Thu, Nov 26 | United Airlines
        $238 $328
        27% off
        27% off
        $328 $238
      • SDF 9:55 AM
        1h 38m
        Nonstop
        IAD 11:33 AM
        Louisville - Washington D.C. | Wed, Dec 2 | United Airlines
        $238 $328
        27% off
        27% off
        $328 $238
      • SDF 8:31 PM
        13h 28m
        1 stop
        IAD 9:59 AM
        Louisville - Washington D.C. | Fri, Nov 13 | Allegiant Air
        $154
        53% off
        $328 $154
      • SDF 7:32 PM
        23h 13m
        1 stop
        IAD 6:45 PM
        Louisville - Washington D.C. | Sun, Oct 18 | Allegiant Air
        $189
        42% off
        $328 $189
      • SDF 7:05 AM
        6h 49m
        1 stop
        IAD 1:54 PM
        Louisville - Washington D.C. | Wed, Nov 25 | Delta Air Lines
        $205
        38% off
        $328 $205
      • SDF 5:40 PM
        5h 41m
        1 stop
        IAD 11:21 PM
        Louisville - Washington D.C. | Thu, Nov 26 | Delta Air Lines
        $205
        38% off
        $328 $205
      • SDF 6:11 PM
        3h 50m
        1 stop
        IAD 10:01 PM
        Louisville - Washington D.C. | Tue, Nov 24 | American Airlines
        $223
        32% off
        $328 $223
      • SDF 6:00 AM
        5h 37m
        1 stop
        IAD 11:37 AM
        Louisville - Washington D.C. | Tue, Nov 24 | Delta Air Lines
        $231
        30% off
        $328 $231
      • SDF 8:05 AM
        6h 3m
        1 stop
        IAD 2:08 PM
        Louisville - Washington D.C. | Sun, Oct 18 | Delta Air Lines
        $231
        30% off
        $328 $231
      • SDF 6:00 AM
        5h 37m
        1 stop
        IAD 11:37 AM
        Louisville - Washington D.C. | Mon, Nov 16 | Delta Air Lines
        $241
        27% off
        $328 $241
      • SDF 7:05 AM
        4h 27m
        1 stop
        IAD 11:32 AM
        Louisville - Washington D.C. | Wed, Oct 21 | Delta Air Lines
        $242
        26% off
        $328 $242
      • SDF 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Louisville - Washington D.C. | Fri, Oct 16 | Normal Airline
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Displayed flight fares from Louisville International Airport to Dulles 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 Louisville International Airport to Dulles International Airport?

The cheapest airline flying from Louisville International Airport to Dulles International Airport is Allegiant Air (from $154) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From $154
Delta Air Lines
From $179
American Airlines
From $223
United Airlines
From $238

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA6305

    Louisville International Airport

    6:00 AM

    SDF

    1h 35m

    7:35 AM

    IAD

    S M T W T - S
    Search

  2. UA4059

    Louisville International Airport

    9:50 AM

    SDF

    1h 38m

    11:28 AM

    IAD

    - - - - - F -
    Search

  3. DL5824

    Louisville International Airport

    7:20 AM

    SDF

    1h 30m

    Nonstop

    8:50 AM

    DTW

    S M T W T F S
    Search

  4. DL3082

    Detroit Metropolitan Wayne County Airport

    10:05 AM

    DTW

    1h 29m

    Nonstop

    11:34 AM

    IAD

    - - - - - F -

  5. AA1511

    Louisville International Airport

    5:04 AM

    SDF

    1h 36m

    Nonstop

    6:40 AM

    CLT

    S M T W T F S
    Search

  6. AA5490

    Charlotte Douglas International Airport

    7:11 AM

    CLT

    1h 33m

    Nonstop

    8:44 AM

    IAD

    S M T W T F S

  7. AA2296

    Louisville International Airport

    3:36 PM

    SDF

    1h 35m

    Nonstop

    5:11 PM

    CLT

    S M T W T F S
    Search

  8. AA3238

    Charlotte Douglas International Airport

    7:30 PM

    CLT

    1h 26m

    Nonstop

    8:56 PM

    IAD

    S M T W T F S

  9. AA2413

    Louisville International Airport

    8:34 AM

    SDF

    1h 34m

    Nonstop

    10:08 AM

    CLT

    S M T W T F S
    Search

  10. AA5154

    Charlotte Douglas International Airport

    11:20 AM

    CLT

    1h 34m

    Nonstop

    12:54 PM

    IAD

    S M T W T F S

  11. DL2407

    Louisville International Airport

    6:00 AM

    SDF

    1h 34m

    Nonstop

    7:34 AM

    ATL

    S M T W T F S
    Search

  12. DL1324

    Hartsfield–Jackson Atlanta International Airport

    7:35 AM

    ATL

    1h 44m

    Nonstop

    9:19 AM

    IAD

    S M T W T F S

  13. DL1610

    Louisville International Airport

    7:00 AM

    SDF

    1h 36m

    Nonstop

    8:36 AM

    ATL

    S M T W T F S
    Search

  14. DL1444

    Hartsfield–Jackson Atlanta International Airport

    9:45 AM

    ATL

    1h 47m

    Nonstop

    11:32 AM

    IAD

    S M T W T - S

  15. DL2831

    Louisville International Airport

    7:59 PM

    SDF

    1h 43m

    Nonstop

    9:42 PM

    ATL

    S - - W T - S
    Search

  16. DL2549

    Hartsfield–Jackson Atlanta International Airport

    10:40 PM

    ATL

    1h 40m

    Nonstop

    12:20 AM

    IAD

    S M T W T F S

  17. DL2407

    Louisville International Airport

    6:00 AM

    SDF

    1h 34m

    Nonstop

    7:34 AM

    ATL

    S M T W T F S
    Search

  18. DL1444

    Hartsfield–Jackson Atlanta International Airport

    9:45 AM

    ATL

    1h 47m

    Nonstop

    11:32 AM

    IAD

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

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

Flight distance 726.64 km
Cheapest one-way ticket price $154
Cheapest return ticket price $179

FAQs for Louisville International Airport to Dulles International Airport Flights

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

    Louisville International Airport to Dulles International Airport takes about 1 hour 13 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from Louisville International Airport (SDF) to Dulles International Airport (IAD).
  • The earliest flight from Louisville International Airport to Dulles International Airport departs at 06:00, and the last departs at 14:12, with about 4 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Louisville International Airport (SDF) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around $393 in October, the most expensive month to book this route.
  • The earliest flight departs from Louisville International Airport (SDF) at 06:00 and arrives in Dulles International Airport (IAD) at 07:35.
  • United Airlines is a very popular airline operating an average of 105 flights per month.
  • One-way flights from Louisville International Airport to Dulles International Airport currently start from $154, and round-trip fares start from $179. The current lowest fare is a Allegiant Air flight departing on Fri, Nov 13; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Louisville International Airport to Dulles International Airport, with an average flight time of 1 hour 10 minutes, and around 20 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 Louisville International Airport to Dulles International Airport is $303. Prices may vary depending on the departure date, airline, and availability.
  • Louisville International Airport to Dulles International Airport operates around 20 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Louisville International Airport and Dulles 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.