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Cheap flights from Louisville to Washington, D.C. from $125

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:13 am - 1:54 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
3h 41m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:00 pm - 9:42 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
6h 42m1 stop Atlanta Hartsfield-Jackson
$223Delta
Thu, Nov 19 - Mon, Nov 23
United Airlines Logo
9:50 am - 11:31 amSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 41mnonstop
United Airlines Logo
5:35 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 55mnonstop
$227United Airlines
Thu, Jan 21 - Tue, Jan 26
United Airlines Logo
2:25 pm - 4:03 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 38mnonstop
United Airlines Logo
12:55 pm - 2:51 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 56mnonstop
$243United Airlines
Fri, Dec 11 - Mon, Dec 14
United Airlines Logo
2:11 pm - 3:49 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 38mnonstop
United Airlines Logo
8:37 am - 10:34 amIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 57mnonstop
$243United Airlines
Tue, Nov 17 - Fri, Nov 27
United Airlines Logo
6:00 am - 7:35 amSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 35mnonstop
United Airlines Logo
5:35 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 55mnonstop
$243United Airlines
Fri, Nov 13 - Tue, Nov 17
United Airlines Logo
6:00 am - 7:35 amSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 35mnonstop
United Airlines Logo
8:37 am - 10:34 amIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 57mnonstop
$245United Airlines
Thu, Nov 19 - Sun, Nov 22
Delta Logo
1:01 pm - 6:34 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
5h 33m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:37 pm - 12:10 amIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
4h 33m1 stop Atlanta Hartsfield-Jackson
$247Delta
Thu, Nov 12 - Mon, Nov 16
Delta Logo
7:05 am - 1:54 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
6h 49m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:00 pm - 8:54 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
5h 54m1 stop Atlanta Hartsfield-Jackson
$247Delta
Wed, Nov 11 - Mon, Nov 16
Delta Logo
10:13 am - 1:54 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
3h 41m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:00 pm - 9:42 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
6h 42m1 stop Atlanta Hartsfield-Jackson
$247Delta
Thu, Nov 19 - Mon, Nov 23
Delta Logo
7:00 am - 11:59 amSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
4h 59m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 11:36 amIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
4h 36m1 stop Atlanta Hartsfield-Jackson
$247Delta
Thu, Jan 21 - Tue, Jan 26

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Delta flights from Louisville to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Louisville to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Nov 19
SDF10:13 amLouisville Intl
3h 41m
1 stop
IAD1:54 pmWashington, D.C. Dulles Intl
Nov 23
IAD3:00 pmWashington, D.C. Dulles Intl
6h 42m
1 stop
SDF9:42 pmLouisville Intl
$223
Delta
Nov 19
SDF10:13 amLouisville Intl
3h 41m
1 stop
IAD1:54 pmWashington, D.C. Dulles Intl
Nov 23
IAD3:00 pmWashington, D.C. Dulles Intl
6h 42m
1 stop
SDF9:42 pmLouisville Intl
$247
Delta
Nov 17
SDF5:40 pmLouisville Intl
5h 41m
1 stop
IAD11:21 pmWashington, D.C. Dulles Intl
Nov 22
IAD8:05 amWashington, D.C. Dulles Intl
6h 10m
1 stop
SDF2:15 pmLouisville Intl
$265

American Airlines flights from Louisville to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Louisville to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Nov 19
SDF5:02 amLouisville Intl
3h 57m
1 stop
IAD8:59 amWashington, D.C. Dulles Intl
Nov 23
IAD8:07 pmWashington, D.C. Dulles Intl
4h 13m
1 stop
SDF12:20 amLouisville Intl
$263
American Airlines
Nov 24
SDF5:02 amLouisville Intl
3h 57m
1 stop
IAD8:59 amWashington, D.C. Dulles Intl
Nov 27
IAD8:07 pmWashington, D.C. Dulles Intl
4h 13m
1 stop
SDF12:20 amLouisville Intl
$279
American Airlines
Nov 23
SDF3:27 pmLouisville Intl
6h 34m
1 stop
IAD10:01 pmWashington, D.C. Dulles Intl
Nov 30
IAD6:00 amWashington, D.C. Dulles Intl
5h 04m
1 stop
SDF11:04 amLouisville Intl
$301

momondo 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

Cheapest round-trip

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Thu 11/19

10:13 am-1:54 pm

1 stop3h 41m

Washington, D.C. Dulles Intl

Mon 11/23

3:00 pm-9:42 pm

1 stop6h 42m

$223

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Thu 1/21

9:50 am-11:31 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Tue 1/26

5:35 pm-7:30 pm

Nonstop1h 55m

$227

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Fri 12/11

2:25 pm-4:03 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 12/14

12:55 pm-2:51 pm

Nonstop1h 56m

$243

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Tue 11/17

2:11 pm-3:49 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Fri 11/27

8:37 am-10:34 am

Nonstop1h 57m

$243
Quickest round-trip

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Fri 11/13

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Tue 11/17

5:35 pm-7:30 pm

Nonstop1h 55m

$243

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Thu 11/19

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sun 11/22

8:37 am-10:34 am

Nonstop1h 57m

$245

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Thu 11/12

1:01 pm-6:34 pm

1 stop5h 33m

Washington, D.C. Dulles Intl

Mon 11/16

7:37 pm-12:10 am

1 stop4h 33m

$247

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Wed 11/11

7:05 am-1:54 pm

1 stop6h 49m

Washington, D.C. Dulles Intl

Mon 11/16

3:00 pm-8:54 pm

1 stop5h 54m

$247

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Thu 11/19

10:13 am-1:54 pm

1 stop3h 41m

Washington, D.C. Dulles Intl

Mon 11/23

3:00 pm-9:42 pm

1 stop6h 42m

$247

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Thu 1/21

7:00 am-11:59 am

1 stop4h 59m

Washington, D.C. Dulles Intl

Tue 1/26

7:00 am-11:36 am

1 stop4h 36m

$247

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Louisville to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Louisville and Washington, D.C. Dulles Intl Airport?

Prices are currently typical for flights on this route.

Typical prices usually range from $194 to $339.
The lowest price recently found on this route was $223.

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

In general, March is the cheapest month to fly from Louisville to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $274. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $289.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $421. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to Washington, D.C. Dulles Intl Airport for around $836.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Louisville in the morning is the least expensive time of day to depart. momondo users have found prices as low as $459 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $996 on average. Flights to Washington, D.C. Dulles Intl Airport from Louisville at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Louisville Intl to Washington, D.C. Dulles Intl for the best Louisville Intl - Washington, D.C. Dulles Intl flight prices

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $331 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Louisville for as low as $200 on momondo.

What cabin class options are available on Louisville to Washington, D.C. Dulles Intl Airport flights?

There are 4 cabin classes available to choose from on Louisville to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisville to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Louisville to Washington, D.C. Dulles Intl Airport.

How have Louisville to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of October 2026, prices for Louisville to Washington, D.C. Dulles Intl Airport flights are approximately 134% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Washington, D.C. Dulles Intl Airport (SDF to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Washington, D.C. Dulles Intl Airport

Best Price Found

$125

Fastest flight time

1h 35m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Louisville in the past 72 hours is $125. The best round-trip flight deal from Louisville to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $223.
The fastest flight from Louisville to Washington, D.C. Dulles Intl Airport takes 1h 35m
Direct flights go from Louisville to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Louisville to Washington, D.C. Dulles Intl Airport

  • How far is Louisville Intl to Washington, D.C. Dulles Intl by plane?

    The distance between Louisville Intl and Washington, D.C. Dulles Intl is about 450.6 mi. 1h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Louisville Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Louisville Intl Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Louisville to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Louisville to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Louisville to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Louisville to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.3
10,441 reviews
Search United Airlines flights

  • United Airlines Flights From Louisville to Washington, D.C. Dulles Intl Airport

    The lowest priced United Airlines flight from Louisville to Washington, D.C. Dulles Intl Airport from the last 72 hours was $189. Generally, United Airlines has 10 flights on this route every week with an average price of $300. United Airlines is rated 7.3/10 by our users.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Fredericksburg
Laurel
Waldorf
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Fairfax
Springfield
Glen Burnie
Edgewood
Chantilly

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Washington, D.C.?

Finding the right flight to Washington, D.C. from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Louisville to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Washington, D.C.?

Once you have performed a search for Louisville to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisville to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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