What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Louisville round-trip?

According to our current data, United Airlines ($189), and Delta ($203) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Louisville. You may be able to fly from Washington, D.C. Dulles Intl Airport to Louisville for 45% less than the average price by searching for these airlines.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Louisville?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Louisville flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Louisville?

Looking at all options, your cheapest flight can be booked for $154. While the most popular route (Washington, D.C. Dulles Intl - Louisville Intl) can be booked for $189 on average our data indicates $315 when flying from Washington, D.C. Dulles Intl Airport to Louisville.

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Louisville?

The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Louisville are Republic Airways (82%), Air Canada (81%) and United Airlines (78%).

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Louisville?

Users have found that flying from Washington, D.C. Dulles Intl Airport to Louisville on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

August is one of the best times of the year to fly to Louisville from Washington, D.C. Dulles Intl Airport. Prices for August average $310 per person but you can even find prices for as low as $143. The most expensive prices can be found in the month of April. Opting for a August flight can save you 13% on your journey compared to booking in April

What airport do you fly into for flights to Louisville from Washington, D.C. Dulles Intl?

Louisville Intl (SDF) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Louisville. You should not have trouble finding flights to Louisville Intl from Washington, D.C. Dulles Intl; the airport handles an average of 4 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Louisville airport from Washington, D.C. Dulles Intl. It is only a 5.3 mi journey from Louisville Intl (SDF) to Louisville’s city center.

Can I find deals for flights from Dulles Intl to Louisville that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Louisville?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Louisville.

Can I find deals for business class flights from Dulles Intl to Louisville?

Yes. Cheapflights offers flight deals from Dulles Intl to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$77+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Louisville

Q: How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Louisville?

Find a great deal and save up to 97% by booking at least 54 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to Louisville within the next two weeks, with the cheapest ticket starting at $268.

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Louisville Intl are usually found in February or July, booked 84 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Dulles Intl to Louisville

Round-trip from	$189 (United Airlines)
One-way from	$77 (Mytrip)
Popular in	September
Cheapest in	February
Average price	$355
Good round-trip deal	$229 or less
Good one-way deal	$258 or less

From Washington, D.C. Dulles Intl to Louisville Intl

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One-way flight from Washington, D.C. Dulles Intl to Louisville Intl

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($66 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Louisville Intl.

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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Louisville Intl.

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Find flight deals from Dulles Intl to Louisville

Cheapest flights from Dulles Intl to Louisville
Explore the most affordable flight options available from Dulles Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Sat 10/111:05 pmIAD - SDF

Nonstop1h 46mUnited Airlines

Tue 10/149:55 amSDF - IAD

Nonstop1h 39mUnited Airlines

Deal found 8/17

$189

Thu 9/117:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Mon 9/1510:14 amSDF - IAD

1 stop8h 10mMultiple Airlines

Deal found 8/16

$191

Fri 9/57:15 pmIAD - SDF

Nonstop1h 47mUnited Airlines

Mon 9/81:00 pmSDF - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/16

$194

Tue 9/166:00 amIAD - SDF

1 stop5h 43mDelta

Wed 9/1712:48 pmSDF - IAD

1 stop5h 51mDelta

Deal found 8/16

$197

Fri 9/57:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Mon 9/810:14 amSDF - IAD

1 stop8h 10mMultiple Airlines

Deal found 8/16

$199

Tue 9/93:26 pmIAD - SDF

1 stop5h 48mDelta

Sat 9/137:50 amSDF - IAD

1 stop3h 38mDelta

Deal found 8/17

$203

Fri 9/127:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Sun 9/1410:14 amSDF - IAD

1 stop8h 00mMultiple Airlines

Deal found 8/16

$208

Sun 11/236:10 amIAD - SDF

1 stop3h 44mDelta

Thu 11/2712:40 pmSDF - IAD

1 stop4h 01mDelta

Deal found 8/16

$209

Sat 9/137:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Mon 9/1510:14 amSDF - IAD

1 stop8h 10mMultiple Airlines

Deal found 8/16

$213

Sun 8/316:15 pmIAD - SDF

1 stop4h 27mDelta

Mon 9/87:14 pmSDF - IAD

1 stop4h 11mDelta

Deal found 8/17

$214

Sun 9/147:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Sun 9/216:36 pmSDF - IAD

1 stop23h 48mMultiple Airlines

Deal found 8/16

$224

Thu 10/27:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Mon 10/67:49 amSDF - IAD

1 stop10h 35mMultiple Airlines

Deal found 8/16

$231

Best flights from Dulles Intl to Louisville
Discover carefully curated flight deals from Dulles Intl to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Sat 10/111:05 pmIAD - SDF

Nonstop1h 46mUnited Airlines

Tue 10/149:55 amSDF - IAD

Nonstop1h 39mUnited Airlines

Deal found 8/17

$189

Thu 9/117:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Mon 9/1510:14 amSDF - IAD

1 stop8h 10mMultiple Airlines

Deal found 8/16

$191

Tue 9/166:00 amIAD - SDF

1 stop5h 43mDelta

Wed 9/1712:48 pmSDF - IAD

1 stop5h 51mDelta

Deal found 8/16

$197

Fri 9/57:15 pmIAD - SDF

Nonstop1h 47mUnited Airlines

Mon 9/81:00 pmSDF - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/16

$194

Fri 9/127:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Mon 9/1510:14 amSDF - IAD

1 stop8h 10mMultiple Airlines

Deal found 8/16

$199

Tue 10/76:00 amIAD - SDF

1 stop3h 56mDelta

Sat 10/115:58 pmSDF - IAD

1 stop5h 20mDelta

Deal found 8/15

$203

Thu 9/117:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Sun 9/1410:14 amSDF - IAD

1 stop8h 00mMultiple Airlines

Deal found 8/16

$199

Sat 9/136:00 amIAD - SDF

1 stop3h 46mDelta

Wed 9/1712:48 pmSDF - IAD

1 stop5h 51mDelta

Deal found 8/17

$203

Mon 9/227:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Thu 9/2510:14 amSDF - IAD

1 stop8h 10mMultiple Airlines

Deal found 8/17

$199

Fri 9/57:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Mon 9/810:14 amSDF - IAD

1 stop8h 10mMultiple Airlines

Deal found 8/16

$199

Last-minute flights from Dulles Intl to Louisville
Discover last-minute flight deals from Dulles Intl to Louisville. Data last updated August 18, 2025 and is based on user searches.

Tue 8/197:15 pmIAD - SDF

Nonstop1h 47mUnited Airlines

Sat 9/201:00 pmSDF - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/16

$234

Fri 8/223:26 pmIAD - SDF

1 stop5h 48mDelta

Mon 8/256:00 pmSDF - IAD

1 stop5h 21mDelta

Deal found 8/16

$269

Fri 8/225:25 pmIAD - SDF

1 stop6h 31mDelta

Sat 8/237:50 amSDF - IAD

1 stop3h 42mDelta

Deal found 8/17

$319

Fri 8/221:15 pmIAD - SDF

1 stop5h 43mUnited Airlines

Mon 8/251:00 pmSDF - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/17

$373

Fri 8/224:13 pmIAD - SDF

2 stops26h 40mMultiple Airlines

Sun 8/2410:48 amSDF - IAD

1 stop7h 32mMultiple Airlines

Deal found 8/16

$399

Tue 8/266:15 pmIAD - SDF

1 stop4h 27mDelta

Wed 8/277:50 amSDF - IAD

1 stop3h 42mDelta

Deal found 8/15

$597

Wed 8/2712:20 pmIAD - SDF

1 stop6h 20mDelta

Sun 8/317:10 amSDF - IAD

1 stop4h 34mDelta

Deal found 8/16

$244

Wed 8/271:05 pmIAD - SDF

Nonstop1h 45mUnited Airlines

Sun 8/311:00 pmSDF - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/17

$284

Wed 8/276:00 amIAD - SDF

1 stop5h 45mDelta

Sun 8/316:00 amSDF - IAD

1 stop5h 44mDelta

Deal found 8/17

$244

Sat 8/306:15 pmIAD - SDF

1 stop4h 27mDelta

Tue 9/27:14 pmSDF - IAD

1 stop4h 12mDelta

Deal found 8/17

$242

Sun 8/316:15 pmIAD - SDF

1 stop4h 27mDelta

Mon 9/87:14 pmSDF - IAD

1 stop4h 11mDelta

Deal found 8/17

$214

Fri 9/57:15 pmIAD - SDF

Nonstop1h 47mUnited Airlines

Mon 9/81:00 pmSDF - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/16

$194

One-way flights from Dulles Intl to Louisville
Search for one-way flight options from Dulles Intl to Louisville. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Fri 10/318:57 pmIAD - SDF

1 stop12h 17mAllegiant Air

Deal found 8/17

$77

Tue 12/3012:30 pmIAD - SDF

1 stop4h 49mDelta

Deal found 8/16

$99

Mon 9/87:14 pmIAD - SDF

1 stop14h 05mMultiple Airlines

Deal found 8/16

$104

Sat 9/2012:35 pmIAD - SDF

1 stop6h 01mDelta

Deal found 8/15

$105

Sat 9/131:05 pmIAD - SDF

Nonstop1h 45mUnited Airlines

Deal found 8/17

$129

Sat 10/46:00 amIAD - SDF

1 stop3h 46mDelta

Deal found 8/16

$130

Mon 11/247:00 amIAD - SDF

1 stop6h 49mDelta

Deal found 8/16

$133

Thu 10/28:13 pmIAD - SDF

2 stops25h 51mMultiple Airlines

Deal found 8/16

$135

Sun 11/28:13 pmIAD - SDF

2 stops21h 50mMultiple Airlines

Deal found 8/17

$136

Sun 10/198:13 pmIAD - SDF

2 stops21h 50mMultiple Airlines

Deal found 8/16

$137

Sun 10/58:13 pmIAD - SDF

2 stops21h 50mMultiple Airlines

Deal found 8/17

$138

Mon 9/2910:49 amIAD - SDF

2 stops11h 15mMultiple Airlines

Deal found 8/16

$142

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 10/11

1:05 pm-2:51 pm

Nonstop1h 46m

Louisville Intl

Tue 10/14

9:55 am-11:34 am

Nonstop1h 39m

$189

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Thu 9/11

7:14 pm-9:19 am

1 stop14h 05m

Louisville Intl

Mon 9/15

10:14 am-6:24 pm

1 stop8h 10m

$191

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 9/5

7:15 pm-9:02 pm

Nonstop1h 47m

Louisville Intl

Mon 9/8

1:00 pm-2:41 pm

Nonstop1h 41m

$194

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Tue 9/16

6:00 am-11:43 am

1 stop5h 43m

Louisville Intl

Wed 9/17

12:48 pm-6:39 pm

1 stop5h 51m

$197

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 9/12

7:14 pm-9:19 am

1 stop14h 05m

Louisville Intl

Mon 9/15

10:14 am-6:24 pm

1 stop8h 10m

$199

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Thu 9/11

7:14 pm-9:19 am

1 stop14h 05m

Louisville Intl

Sun 9/14

10:14 am-6:14 pm

1 stop8h 00m

$199

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Mon 9/22

7:14 pm-9:19 am

1 stop14h 05m

Louisville Intl

Thu 9/25

10:14 am-6:24 pm

1 stop8h 10m

$199

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 9/5

7:14 pm-9:19 am

1 stop14h 05m

Louisville Intl

Mon 9/8

10:14 am-6:24 pm

1 stop8h 10m

$199

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Tue 10/7

6:00 am-9:56 am

1 stop3h 56m

Louisville Intl

Sat 10/11

5:58 pm-11:18 pm

1 stop5h 20m

$203

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 9/13

6:00 am-9:46 am

1 stop3h 46m

Louisville Intl

Wed 9/17

12:48 pm-6:39 pm

1 stop5h 51m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 17 results

Best time to book a flight from Dulles Intl to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Louisville

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Louisville?

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Louisville?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisville (average of $299). Flying from Washington, D.C. Dulles Intl Airport to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to SDF?

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Louisville is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 12% on airfare.

Reviews of airlines servicing Louisville

Read reviews from past customers who have flown Delta and United Airlines from Washington, D.C. Dulles Intl Airport to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,925 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Louisville from Washington, D.C. Dulles Intl?
Louisville Intl (SDF) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Louisville. You should not have trouble finding flights to Louisville Intl from Washington, D.C. Dulles Intl; the airport handles an average of 4 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Louisville airport from Washington, D.C. Dulles Intl. It is only a 5.3 mi journey from Louisville Intl (SDF) to Louisville’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Louisville round-trip?
According to our current data, United Airlines ($189), and Delta ($203) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Louisville. You may be able to fly from Washington, D.C. Dulles Intl Airport to Louisville for 45% less than the average price by searching for these airlines.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Louisville?
The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Louisville are Republic Airways (82%), Air Canada (81%) and United Airlines (78%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Louisville?
Looking at all options, your cheapest flight can be booked for $154. While the most popular route (Washington, D.C. Dulles Intl - Louisville Intl) can be booked for $189 on average our data indicates $315 when flying from Washington, D.C. Dulles Intl Airport to Louisville.
Can I find deals for flights from Dulles Intl to Louisville that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Louisville?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Louisville.
Can I find deals for business class flights from Dulles Intl to Louisville?
Yes. Cheapflights offers flight deals from Dulles Intl to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Louisville?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisville (average of $299). Flying from Washington, D.C. Dulles Intl Airport to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Shepherdsville

Jeffersonville

Elizabethtown

Corydon

Bardstown

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Alternative routes for Dulles Intl to Louisville

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Other flights to Louisville

Top 2 airlines flying from Dulles Intl to Louisville

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$189	Average$347	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$203	Average$268	FlexibilityNo cancel fee	On-timeN/A

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$77+ Cheap flights from Dulles Intl (IAD) to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Louisville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Louisville Intl are usually found in February or July, booked 84 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Dulles Intl to Louisville

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dulles Intl to Louisville

Cheapest flights from Dulles Intl to LouisvilleExplore the most affordable flight options available from Dulles Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from Dulles Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Louisville that are best for you.

Best time to book a flight from Dulles Intl to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Louisville

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Louisville. Price data was last updated on August 8, 2025.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Louisville?

What is the cheapest time of day to fly from IAD to SDF?

Find hourly flight availability from Dulles Intl to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Reviews of airlines servicing Louisville

Read reviews from past customers who have flown Delta and United Airlines from Washington, D.C. Dulles Intl Airport to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Louisville from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Louisville round-trip?

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Louisville?

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Louisville?

Can I find deals for flights from Dulles Intl to Louisville that include hotel bookings?

How can I find direct flights from Dulles Intl to Louisville?

Can I find deals for business class flights from Dulles Intl to Louisville?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Louisville?

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Alternative routes for Dulles Intl to Louisville

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Top 2 airlines flying from Dulles Intl to Louisville

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Cheapest flights from Dulles Intl to Louisville
Explore the most affordable flight options available from Dulles Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.