SDF - WAS

$96 Find Cheap Flights from Louisville to Washington, D.C. - Compare and Save

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Everything you should know

Cheapest round-trip
$191
Typical prices: $239-$384
Southwest
Mon 10/15Fri 10/19
SDF - BWI • Non-stop
Cheapest one-way
$96
Typical prices: $196-$378
Southwest
Sun 10/14
SDF - BWI • Non-stop
Nonstop flights
You can fly direct with American Airlines and United Airlines. Average duration is 1h 43m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 2% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 10% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $195 (round-trip)
Shortest trip • 4h 14m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Louisville to Washington, D.C. (SDF-WAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Washington, D.C.

Thu, Oct 15 - Mon, Oct 19
Southwest Logo
5:35 am - 7:05 amSDF  Louisville Intl-BWI Baltimore/Washington
1h 30mnonstop
Southwest Logo
10:30 pm - 12:15 amBWI  Baltimore/Washington-SDF Louisville Intl
1h 45mnonstop
$191Southwest
Thu, Oct 15 - Mon, Oct 19
Southwest Logo
7:50 pm - 11:50 pmSDF  Louisville Intl-BWI Baltimore/Washington
4h 00m1 stop Chicago Midway
Southwest Logo
10:30 pm - 12:15 amBWI  Baltimore/Washington-SDF Louisville Intl
1h 45mnonstop
$201Southwest
Sat, Oct 10 - Mon, Oct 12
Southwest Logo
3:35 pm - 5:10 pmSDF  Louisville Intl-BWI Baltimore/Washington
1h 35mnonstop
Southwest Logo
10:30 pm - 12:15 amBWI  Baltimore/Washington-SDF Louisville Intl
1h 45mnonstop
$207Southwest
Thu, Oct 1 - Mon, Oct 5
American Airlines Logo
6:18 am - 9:44 amSDF  Louisville Intl-BWI Baltimore/Washington
3h 26m1 stop Charlotte Douglas
American Airlines Logo
8:16 pm - 12:08 amBWI  Baltimore/Washington-SDF Louisville Intl
3h 52m1 stop Charlotte Douglas
$227American Airlines
Thu, Oct 29 - Mon, Nov 2
Delta Logo
7:55 am - 11:52 amSDF  Louisville Intl-BWI Baltimore/Washington
3h 57m1 stop Detroit Metropolitan Wayne County
Delta Logo
7:00 am - 12:54 pmBWI  Baltimore/Washington-SDF Louisville Intl
5h 54m1 stop Atlanta Hartsfield-Jackson
$227Delta
Wed, Nov 4 - Sat, Nov 7
Delta Logo
8:05 am - 1:06 pmSDF  Louisville Intl-BWI Baltimore/Washington
5h 01m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 12:54 pmBWI  Baltimore/Washington-SDF Louisville Intl
6h 54m1 stop Atlanta Hartsfield-Jackson
$227Delta
Thu, Oct 15 - Mon, Oct 19
American Airlines Logo
5:04 am - 8:45 amSDF  Louisville Intl-BWI Baltimore/Washington
3h 41m1 stop Charlotte Douglas
American Airlines Logo
8:16 pm - 12:08 amBWI  Baltimore/Washington-SDF Louisville Intl
3h 52m1 stop Charlotte Douglas
$229American Airlines
Wed, Jan 6 - Sun, Jan 10
United Airlines Logo
10:00 am - 11:39 amSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 39mnonstop
United Airlines Logo
1:00 pm - 2:47 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 47mnonstop
$243United Airlines
Sat, Oct 17 - Sun, Oct 18
United Airlines Logo
2:12 pm - 3:50 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 38mnonstop
United Airlines Logo
8:35 am - 10:18 amIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 43mnonstop
$243United Airlines
Thu, Oct 15 - Mon, Oct 19
Multiple Airlines Logo
9:22 pm - 8:20 amSDF  Louisville Intl-BWI Baltimore/Washington
10h 58m1 stop Orlando Sanford Intl
Multiple Airlines Logo
9:52 pm - 10:11 amBWI  Baltimore/Washington-SDF Louisville Intl
36h 19m2 stops Orlando Raleigh-Durham
$263Multiple Airlines
Booking Insights

Price, demand and travel trends for Louisville to Washington, D.C. flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Louisville to Washington, D.C. with more confidence.

How much is a round-trip flight from Louisville to Washington, D.C.?

Round-trip flights from Louisville to Washington, D.C. start at $191. Prices are below average for this route right now, with typical round-trip fares ranging from $239 to $384. The lowest price found in the past 5 days was $191 on Southwest.

What is the cheapest Louisville to Washington, D.C. flight route?

There's little price difference between Louisville to Washington, D.C. routes. They average around $286 round-trip, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Louisville to Washington, D.C.?

Wednesday is the cheapest day of the week to fly from Louisville to Washington, D.C., it is 8% cheaper than the average day. Sunday is the most expensive day with flight prices 59% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Louisville to Washington, D.C.?

  • November is the cheapest month to fly from Louisville to Washington, D.C. at $259 round-trip.
  • June ($364) and March ($326) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 40% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Louisville to Washington, D.C. the cheapest?

Flights from Louisville to Washington, D.C. are cheapest 22 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Louisville to Washington, D.C.

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Louisville to Washington, D.C. flights

Low season

February

Cheapest flight

$96
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Louisville to Baltimore

When to book flights from Louisville to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Louisville to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Louisville to Washington, D.C. flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Louisville to Washington, D.C. flights?

    Among airlines operating Louisville to Washington, D.C. flights:

    • American Airlines: offers extra legroom; offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Louisville to Washington, D.C.?

    2 airlines operate flights between Louisville and Washington, D.C.. The airlines offering nonstop flights on this route include:

    • American Airlines
    • United Airlines

  • Which airports can I use when flying from Louisville to Washington, D.C.?

    Flights from Louisville to Washington, D.C. usually depart from Louisville Intl (SDF) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

  • Which airlines include bags at no extra cost on Louisville to Washington, D.C. flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Louisville to Washington, D.C.?

    Two cabin classes are available on flights from Louisville to Washington, D.C.:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from Louisville to Washington, D.C.?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $195 round-trip via Fort Lauderdale (FLL), compared to $285 for nonstop.

  • What is the standard checked-bag allowance on flights from Louisville to Washington, D.C.?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which airports do connecting flights from Louisville to Washington, D.C. pass through?

    One-stop flights from Louisville to Washington, D.C. most commonly connect through:

    • Charlotte Douglas (CLT) - 33% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 20% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 20% of one-stop connections
    • Chicago Midway (MDW) - 17% of one-stop connections

    Charlotte Douglas (CLT) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Louisville to Washington, D.C.?

    Yes. Being flexible with your travel dates can save you up to 43% on the Louisville to Washington, D.C. route. Wednesday is the cheapest departure day at $264 round-trip on average, while Sunday is the most expensive at $457, a difference of $193. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Louisville to Washington, D.C. spread across the day?

    Morning is the busiest departure period on Louisville to Washington, D.C. flights, with 67% of flights leaving in that window. Afternoon departures account for 17%, evening flights for 16%, and night flights for 0%.

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.

  • What are the earliest and latest flights from Louisville to Washington, D.C.?

    These are the earliest and latest flight times available from Louisville to Washington, D.C.:

    • Earliest: departs at 6:00 am and lands at 7:43 am
    • Latest: departs at 6:16 pm and lands at 7:59 pm.

    The flight takes about 1h 43m.

  • How expensive are last-minute Louisville to Washington, D.C. flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 23% above the route average of $286. Book 22 weeks before departure for the lowest fares.

  • How long is a flight from Louisville to Washington, D.C.?

    A nonstop flight from Louisville to Washington, D.C. takes 1h 43m, covering 472 miles.

  • Do I need a passport to fly from Louisville to Washington, D.C.?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Louisville to Washington, D.C. changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $191 to $923. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Louisville to Washington, D.C. looking right now?

    One-way fares from Louisville to Washington, D.C. are currently lower than usual. Average one-way flight prices are about $109, which is 62% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Louisville to Washington, D.C.?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 14m, compared with 4h 15m via Charlotte Douglas (CLT) and 4h 40m via Nashville Intl (BNA).

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) — daily rates from around $23:

    • Sixt
    • Dollar
    • Thrifty
    • Alamo
    • Budget

    Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates from around $24:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • How much should I expect to pay for a Louisville to Washington, D.C. flight?

    Round-trip flights from Louisville to Washington, D.C. range from $239 to $384, with an average of $286 over the past 12 months. Anything below $239 counts as a good deal.

  • Which airlines offer Wi-Fi on Louisville to Washington, D.C. flights?

    American Airlines is the only airline on the Louisville to Washington, D.C. route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking Louisville to Washington, D.C. flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $264 - about $193 less than Sunday (42% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Louisville to Washington, D.C. trip for November. Fares historically average $259 round-trip in that month - typically $105 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Fort Lauderdale Airport (FLL) can be cheaper than flying direct. The cheapest layover option averages $195 round-trip on this route - about $90 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.
    - Hyatt House Washington DC The Wharf
    - Intercontinental Hotels Washington D.C. - The Wharf By IHG
    - Pendry Washington DC - The Wharf

Prefer to fly direct from Louisville to Washington, D.C.?

 
Find which airlines fly direct from Louisville Intl Airport to Washington, D.C., which days they fly and book direct flights.

Direct departures

Louisville Intl to Washington, D.C.

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Direct returns

Washington, D.C. to Louisville Intl

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

More options for your flight from Louisville to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental