How long is the flight from Louisville to Washington, D.C. Dulles Intl Airport?

Airlines like Delta and United Airlines fly from Louisville to Washington, D.C. Dulles Intl Airport in about 1h 41m. The time it takes to get you to your destination can typically vary by up to 2h 34m. The distance between Louisville and Washington, D.C. Dulles Intl Airport is about 450 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Our cheapest airline available from Louisville to Washington, D.C. Dulles Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $189 on this airline. An additional option worth looking into is Delta, starting at $208. United Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

Weekly flight availability from Louisville to Washington, D.C. Dulles Intl Airport

The most flights from SDF to IAD are scheduled on a Thursday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 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 Louisville to Washington, D.C. Dulles Intl Airport?

Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Louisville Intl - Washington, D.C. Dulles Intl) can be booked for $177 on average, our data indicates $513 when flying from Louisville to Washington, D.C. Dulles Intl Airport.

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

Before booking your flight to Washington, D.C. Dulles Intl Airport from Louisville, check out the most reliable airlines to get you to your destination on time: Republic Airways (97%), Copa Airlines (92%), United Airlines( 90%).

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

Monday flights are generally found to be more expensive for flights from Louisville to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

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

June can be a great time to fly to Washington, D.C. Dulles Intl Airport from Louisville with a flight ticket averaging about $264. Cheapflights users have found deals in the month of June for as cheap as $189. The most expensive prices can be found in the month of August.

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

Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Louisville Intl; the airport handles an average of 7 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Louisville airport to Washington, D.C. Dulles Intl. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.

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

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

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

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

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

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

$89+ Cheap Flights from Louisville to Washington, D.C. Dulles Intl Airport

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Cheapflights Tip: The best prices from Louisville Intl to Washington, D.C. Dulles Intl are usually found in July or November, booked 73 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Louisville to Dulles Intl

Round-trip from	$190 (Delta)
One-way from	$89 (Delta)
Popular in	April
Cheapest in	July
Average price	$314
Good round-trip deal	$334 or less
Good one-way deal	$258 or less

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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

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

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Find flight deals from Louisville to Dulles Intl

Cheapest flights from Louisville to Dulles Intl
Explore the most affordable flight options available from Louisville to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Sat 11/156:00 amSDF - IAD

1 stop4h 13mDelta

Mon 11/177:01 amIAD - SDF

1 stop7h 03mDelta

Deal found 9/11

$190

Mon 12/87:59 pmSDF - IAD

1 stop4h 17mDelta

Fri 1/26:00 amIAD - SDF

1 stop7h 12mDelta

Deal found 9/10

$193

Thu 10/307:15 amSDF - IAD

1 stop11h 12mMultiple Airlines

Sun 11/210:54 pmIAD - SDF

1 stop14h 54mMultiple Airlines

Deal found 9/10

$201

Thu 11/137:59 pmSDF - IAD

1 stop4h 19mDelta

Sat 11/225:57 pmIAD - SDF

1 stop6h 00mDelta

Deal found 9/10

$206

Sat 10/115:58 pmSDF - IAD

1 stop5h 20mDelta

Tue 10/146:05 amIAD - SDF

1 stop3h 45mDelta

Deal found 9/11

$212

Thu 10/239:55 amSDF - IAD

Nonstop1h 39mUnited Airlines

Sat 10/251:05 pmIAD - SDF

Nonstop1h 46mUnited Airlines

Deal found 9/9

$213

Wed 12/109:55 amSDF - IAD

Nonstop1h 38mUnited Airlines

Tue 12/1612:50 pmIAD - SDF

Nonstop1h 55mUnited Airlines

Deal found 9/10

$217

Tue 11/252:35 pmSDF - IAD

Nonstop1h 36mUnited Airlines

Sat 11/295:30 pmIAD - SDF

Nonstop1h 57mUnited Airlines

Deal found 9/11

$222

Fri 10/107:15 amSDF - IAD

1 stop13h 38mMultiple Airlines

Mon 10/139:28 pmIAD - SDF

1 stop11h 43mMultiple Airlines

Deal found 9/10

$223

Tue 9/231:00 pmSDF - IAD

Nonstop1h 41mUnited Airlines

Sat 9/271:05 pmIAD - SDF

Nonstop1h 46mUnited Airlines

Deal found 9/11

$224

Fri 11/79:55 amSDF - IAD

Nonstop1h 38mUnited Airlines

Tue 11/115:30 pmIAD - SDF

Nonstop1h 57mUnited Airlines

Deal found 9/11

$227

Fri 10/1710:30 amSDF - IAD

1 stop5h 59mDelta

Mon 10/206:00 amIAD - SDF

1 stop3h 56mDelta

Deal found 9/10

$228

Best flights from Louisville to Dulles Intl
Discover carefully curated flight deals from Louisville to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Sat 10/253:11 pmSDF - IAD

1 stop4h 15mDelta

Sun 10/266:00 amIAD - SDF

1 stop3h 56mDelta

Deal found 9/11

$212

Tue 9/231:00 pmSDF - IAD

Nonstop1h 41mUnited Airlines

Sat 9/271:05 pmIAD - SDF

Nonstop1h 46mUnited Airlines

Deal found 9/11

$224

Thu 11/68:17 amSDF - IAD

1 stop6h 19mDelta

Mon 11/107:21 pmIAD - SDF

1 stop4h 45mDelta

Deal found 9/9

$228

Fri 10/1710:30 amSDF - IAD

1 stop5h 59mDelta

Mon 10/206:00 amIAD - SDF

1 stop3h 56mDelta

Deal found 9/10

$228

Fri 10/107:20 pmSDF - IAD

1 stop5h 01mUnited Airlines

Wed 10/157:00 pmIAD - SDF

Nonstop1h 48mUnited Airlines

Deal found 9/10

$263

Wed 11/126:00 amSDF - IAD

1 stop5h 36mDelta

Sun 11/166:00 amIAD - SDF

1 stop3h 59mDelta

Deal found 9/11

$236

Sat 11/229:55 amSDF - IAD

Nonstop1h 38mUnited Airlines

Sat 11/295:30 pmIAD - SDF

Nonstop1h 57mUnited Airlines

Deal found 9/10

$276

Thu 11/137:59 pmSDF - IAD

1 stop4h 19mDelta

Sun 11/166:00 amIAD - SDF

1 stop3h 59mDelta

Deal found 9/11

$249

Thu 10/237:00 amSDF - IAD

1 stop4h 55mUnited Airlines

Sat 10/257:00 pmIAD - SDF

Nonstop1h 48mUnited Airlines

Deal found 9/9

$283

Thu 11/62:35 pmSDF - IAD

Nonstop1h 36mUnited Airlines

Mon 11/105:33 pmIAD - SDF

1 stop6h 07mUnited Airlines

Deal found 9/9

$283

Fri 9/266:33 pmSDF - IAD

1 stop4h 33mDelta

Mon 9/295:25 pmIAD - SDF

1 stop5h 21mDelta

Deal found 9/10

$259

Sat 9/275:56 pmSDF - IAD

1 stop5h 21mDelta

Sun 9/286:00 amIAD - SDF

1 stop4h 00mDelta

Deal found 9/11

$279

Last-minute flights from Louisville to Dulles Intl
Discover last-minute flight deals from Louisville to Dulles Intl. Data last updated September 11, 2025 and is based on user searches.

Tue 9/231:00 pmSDF - IAD

Nonstop1h 41mUnited Airlines

Sat 9/271:05 pmIAD - SDF

Nonstop1h 46mUnited Airlines

Deal found 9/11

$224

Sat 10/49:55 amSDF - IAD

Nonstop1h 39mUnited Airlines

Sun 10/57:00 pmIAD - SDF

Nonstop1h 48mUnited Airlines

Deal found 9/11

$233

Fri 10/107:15 amSDF - IAD

1 stop13h 38mMultiple Airlines

Mon 10/139:28 pmIAD - SDF

1 stop11h 43mMultiple Airlines

Deal found 9/10

$223

Sat 10/115:58 pmSDF - IAD

1 stop5h 20mDelta

Tue 10/146:05 amIAD - SDF

1 stop3h 45mDelta

Deal found 9/11

$212

Mon 10/138:15 pmSDF - IAD

1 stop3h 57mDelta

Tue 10/146:00 amIAD - SDF

1 stop3h 56mDelta

Deal found 9/10

$232

Thu 10/166:05 pmSDF - IAD

1 stop4h 55mDelta

Mon 10/207:35 pmIAD - SDF

1 stop4h 29mDelta

Deal found 9/11

$241

Fri 10/1710:30 amSDF - IAD

1 stop5h 59mDelta

Mon 10/206:00 amIAD - SDF

1 stop3h 56mDelta

Deal found 9/10

$228

Sat 10/189:55 amSDF - IAD

Nonstop1h 39mUnited Airlines

Fri 10/247:00 pmIAD - SDF

Nonstop1h 48mUnited Airlines

Deal found 9/9

$242

Mon 10/208:15 pmSDF - IAD

1 stop3h 57mDelta

Thu 10/236:00 amIAD - SDF

1 stop3h 56mDelta

Deal found 9/9

$231

Thu 10/239:55 amSDF - IAD

Nonstop1h 39mUnited Airlines

Sat 10/251:05 pmIAD - SDF

Nonstop1h 46mUnited Airlines

Deal found 9/9

$213

Sat 10/252:03 pmSDF - IAD

Nonstop1h 42mUnited Airlines

Mon 10/275:30 pmIAD - SDF

Nonstop1h 57mUnited Airlines

Deal found 9/10

$240

Thu 10/307:15 amSDF - IAD

1 stop11h 12mMultiple Airlines

Sun 11/210:54 pmIAD - SDF

1 stop14h 54mMultiple Airlines

Deal found 9/10

$201

One-way flights from Louisville to Dulles Intl
Search for one-way flight options from Louisville to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Tue 10/1412:54 pmSDF - IAD

1 stop6h 32mDelta

Deal found 9/9

$89

Sat 10/115:58 pmSDF - IAD

1 stop5h 20mDelta

Deal found 9/9

$96

Sat 10/117:15 amSDF - IAD

1 stop13h 38mMultiple Airlines

Deal found 9/11

$107

Thu 11/278:35 amSDF - IAD

1 stop6h 05mDelta

Deal found 9/10

$116

Fri 12/56:00 pmSDF - IAD

1 stop5h 08mDelta

Deal found 9/10

$120

Tue 11/259:00 pmSDF - IAD

1 stop11h 30mAllegiant Air

Deal found 9/11

$121

Sun 10/199:14 amSDF - IAD

1 stop24h 05mAllegiant Air

Deal found 9/11

$127

Sun 12/77:59 pmSDF - IAD

1 stop4h 17mDelta

Deal found 9/10

$132

Mon 11/246:03 pmSDF - IAD

1 stop5h 00mDelta

Deal found 9/11

$133

Wed 11/268:56 pmSDF - IAD

1 stop14h 25mAllegiant Air

Deal found 9/11

$143

Wed 10/2210:41 amSDF - IAD

1 stop6h 16mDelta

Deal found 9/10

$144

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Sat 10/25

3:11 pm-7:26 pm

1 stop4h 15m

Washington, D.C. Dulles Intl

Sun 10/26

6:00 am-9:56 am

1 stop3h 56m

$212

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Tue 9/23

1:00 pm-2:41 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sat 9/27

1:05 pm-2:51 pm

Nonstop1h 46m

$224

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 11/6

8:17 am-2:36 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

Mon 11/10

7:21 pm-12:06 am

1 stop4h 45m

$228

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Fri 10/17

10:30 am-4:29 pm

1 stop5h 59m

Washington, D.C. Dulles Intl

Mon 10/20

6:00 am-9:56 am

1 stop3h 56m

$228

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Wed 11/12

6:00 am-11:36 am

1 stop5h 36m

Washington, D.C. Dulles Intl

Sun 11/16

6:00 am-9:59 am

1 stop3h 59m

$236

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 11/13

7:59 pm-12:18 am

1 stop4h 19m

Washington, D.C. Dulles Intl

Sun 11/16

6:00 am-9:59 am

1 stop3h 59m

$249

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Fri 9/26

6:33 pm-11:06 pm

1 stop4h 33m

Washington, D.C. Dulles Intl

Mon 9/29

5:25 pm-10:46 pm

1 stop5h 21m

$259

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Fri 10/10

7:20 pm-12:21 am

1 stop5h 01m

Washington, D.C. Dulles Intl

Wed 10/15

7:00 pm-8:48 pm

Nonstop1h 48m

$263

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Sat 11/22

9:55 am-11:33 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sat 11/29

5:30 pm-7:27 pm

Nonstop1h 57m

$276

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Sat 9/27

5:56 pm-11:17 pm

1 stop5h 21m

Washington, D.C. Dulles Intl

Sun 9/28

6:00 am-10:00 am

1 stop4h 00m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 24 results

The best insider tips for Louisville to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Louisville to Washington, D.C. Dulles Intl Airport trip

Airlines

Lufthansa

Lufthansa Economy Flex includes preferred seating and allows same-day flight changes.

Lufthansa offers a Free Neighbor Seat option for extra space on long-haul flights.

Read more about Lufthansaby Blane Bachelor

United Airlines

Basic Economy on United allows no carry-on bags, only a personal item under the seat.

United Economy Plus offers extra legroom seats towards the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas

Our travel experts

Blane Bachelor

Expert on Lufthansa

Harriet Baskas

Expert on United Airlines

Best time to book a flight from Louisville to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Louisville 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 Louisville to Washington, D.C. Dulles Intl Airport

Prices

Airlines

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

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Louisville to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Louisville to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 SDF to IAD?

Unlike at noon, when flights are generally more expensive, you can save up to 80% on flights from Louisville to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the afternoon.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Delta and United Airlines from Louisville to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,960 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

7,960 reviews

Delta

8.0

Very good

7,960 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

8,937 reviews

Delta

8.0

Very good

7,960 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 from for flights from Louisville to Washington, D.C. Dulles Intl?
Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Louisville Intl; the airport handles an average of 7 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Louisville airport to Washington, D.C. Dulles Intl. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.
How long is the flight from Louisville to Washington, D.C. Dulles Intl Airport?
Airlines like Delta and United Airlines fly from Louisville to Washington, D.C. Dulles Intl Airport in about 1h 41m. The time it takes to get you to your destination can typically vary by up to 2h 34m. The distance between Louisville and Washington, D.C. Dulles Intl Airport is about 450 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Louisville to Washington, D.C. Dulles Intl Airport round-trip?
Our cheapest airline available from Louisville to Washington, D.C. Dulles Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $189 on this airline. An additional option worth looking into is Delta, starting at $208. United Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Louisville to Washington, D.C. Dulles Intl Airport?
Before booking your flight to Washington, D.C. Dulles Intl Airport from Louisville, check out the most reliable airlines to get you to your destination on time: Republic Airways (97%), Copa Airlines (92%), United Airlines( 90%).
What are the cheapest flights from Louisville to Washington, D.C. Dulles Intl Airport?
Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Louisville Intl - Washington, D.C. Dulles Intl) can be booked for $177 on average, our data indicates $513 when flying from Louisville to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Louisville to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Louisville to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisville to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Dulles Intl.
Can I find deals for business class flights from Louisville to Dulles Intl?
Yes. Cheapflights offers flight deals from Louisville to Dulles Intl 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 Louisville to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Louisville to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Louisville to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

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Top 2 airlines flying from Louisville to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$189	Average$289	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$208	Average$242	FlexibilityNo cancel fee	On-timeN/A

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$89+ Cheap flights from Louisville (SDF) to Dulles Intl (IAD)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Dulles Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Louisville Intl to Washington, D.C. Dulles Intl are usually found in July or November, booked 73 days in advance, depart on a Friday or Thursday and return on a Saturday

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Cheapest flights from Louisville to Dulles IntlExplore the most affordable flight options available from Louisville to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Louisville to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

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

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Weekly flight availability from Louisville to Washington, D.C. Dulles Intl Airport

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Get a feel of what it's like to fly with Delta and United Airlines from Louisville to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines 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 Louisville to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Cheapest flights from Louisville to Dulles Intl
Explore the most affordable flight options available from Louisville to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.