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?

As of May 2026, there are 2 operators available to choose from 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.

$105 Cheap Flights from Louisville to Washington, D.C. Dulles Intl Airport in 2026

Q: How many flights depart from Louisville to Washington, D.C. Dulles Intl Airport on average per week?

As of May 2026, 49 flights take off from Louisville and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

Prices are currently low for flights on this route. Typical prices usually range from $375 to $267. The lowest price recently found on this route was $227.

Q: How many flights depart from Louisville to Washington, D.C. Dulles Intl Airport on average per day?

As of May 2026, there are 7 flights per day flying from Louisville to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 9:00AM, with 38% of flights taking off at noon.

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:39 am

SDF

IAD

5h 39m

1 stop

6:05 am - 9:55 am

IAD

SDF

3h 50m

1 stop

$227Delta

Wed, Jun 17 - Wed, Jun 24

6:00 am - 7:35 am

SDF

IAD

1h 35mnonstop

8:31 am - 10:23 am

IAD

SDF

1h 52mnonstop

$235United Airlines

Thu, May 28 - Sat, May 30

6:00 am - 7:35 am

SDF

IAD

1h 35mnonstop

8:31 am - 10:14 am

IAD

SDF

1h 43mnonstop

$238United Airlines

Fri, Sep 4 - Tue, Sep 8

7:59 pm - 12:51 am

SDF

IAD

4h 52m

1 stop

6:08 am - 10:25 am

IAD

SDF

4h 17m

1 stop

$241Delta

Thu, May 28 - Wed, Jun 3

10:00 am - 11:40 am

SDF

IAD

1h 40mnonstop

8:31 am - 10:23 am

IAD

SDF

1h 52mnonstop

$243United Airlines

Sat, Jun 20 - Tue, Jun 23

9:10 pm - 8:02 pm

SDF

IAD

22h 52m

1 stop

6:20 pm - 8:22 am

IAD

SDF

14h 02m

1 stop

$244Multiple Airlines

Mon, Jun 8 - Thu, Jun 11

9:10 pm - 6:42 pm

SDF

IAD

21h 32m

1 stop

11:07 am - 8:36 am

IAD

SDF

21h 29m

2 stops

$246Multiple Airlines

Mon, Jun 1 - Fri, Jun 5

9:45 am - 2:10 pm

SDF

IAD

4h 25m

1 stop

6:00 am - 11:53 am

IAD

SDF

5h 53m

1 stop

$247Delta

Tue, Jun 2 - Tue, Jun 9

9:10 pm - 6:42 pm

SDF

IAD

21h 32m

1 stop

11:07 am - 8:36 am

IAD

SDF

21h 29m

2 stops

$248Multiple Airlines

Mon, Jun 1 - Fri, Jun 5

6:00 am - 7:35 am

SDF

IAD

1h 35mnonstop

8:31 am - 10:23 am

IAD

SDF

1h 52mnonstop

$249United Airlines

Fri, Jun 26 - Sun, Jun 28

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

Jun 10

SDF5:00 amLouisville Intl

3h 50m

1 stop

IAD8:50 amWashington, D.C. Dulles Intl

Jun 16

IAD8:22 pmWashington, D.C. Dulles Intl

4h 06m

1 stop

SDF12:28 amLouisville Intl

$262

American Airlines

Jun 26

SDF8:08 pmLouisville Intl

4h 05m

1 stop

IAD12:13 amWashington, D.C. Dulles Intl

Jun 28

IAD8:22 pmWashington, D.C. Dulles Intl

4h 06m

1 stop

SDF12:28 amLouisville Intl

$269

American Airlines

May 19

SDF6:00 amLouisville Intl

4h 02m

1 stop

IAD10:02 amWashington, D.C. Dulles Intl

May 28

IAD8:22 pmWashington, D.C. Dulles Intl

4h 06m

1 stop

SDF12:28 amLouisville Intl

$307

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

Jun 17

SDF6:00 amLouisville Intl

5h 39m

1 stop

IAD11:39 amWashington, D.C. Dulles Intl

Jun 24

IAD6:05 amWashington, D.C. Dulles Intl

3h 50m

1 stop

SDF9:55 amLouisville Intl

$227

Delta

May 28

SDF7:59 pmLouisville Intl

4h 52m

1 stop

IAD12:51 amWashington, D.C. Dulles Intl

Jun 3

IAD6:08 amWashington, D.C. Dulles Intl

4h 17m

1 stop

SDF10:25 amLouisville Intl

$241

Delta

Jun 2

SDF9:45 amLouisville Intl

4h 25m

1 stop

IAD2:10 pmWashington, D.C. Dulles Intl

Jun 9

IAD6:00 amWashington, D.C. Dulles Intl

5h 53m

1 stop

SDF11:53 amLouisville Intl

$247

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 - IAD

SDFIAD

Louisville Intl

Wed 6/17

6:00 am-11:39 am

1 stop5h 39m

Washington, D.C. Dulles Intl

Wed 6/24

6:05 am-9:55 am

1 stop3h 50m

$227

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 5/28

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sat 5/30

8:31 am-10:23 am

Nonstop1h 52m

$235

Quickest round-trip

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Fri 9/4

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Tue 9/8

8:31 am-10:14 am

Nonstop1h 43m

$238

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 5/28

7:59 pm-12:51 am

1 stop4h 52m

Washington, D.C. Dulles Intl

Wed 6/3

6:08 am-10:25 am

1 stop4h 17m

$241

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Sat 6/20

10:00 am-11:40 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Tue 6/23

8:31 am-10:23 am

Nonstop1h 52m

$243

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Mon 6/8

9:10 pm-8:02 pm

1 stop22h 52m

Washington, D.C. Dulles Intl

Thu 6/11

6:20 pm-8:22 am

1 stop14h 02m

$244

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Mon 6/1

9:10 pm-6:42 pm

1 stop21h 32m

Washington, D.C. Dulles Intl

Fri 6/5

11:07 am-8:36 am

2 stops21h 29m

$246

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Tue 6/2

9:45 am-2:10 pm

1 stop4h 25m

Washington, D.C. Dulles Intl

Tue 6/9

6:00 am-11:53 am

1 stop5h 53m

$247

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Mon 6/1

9:10 pm-6:42 pm

1 stop21h 32m

Washington, D.C. Dulles Intl

Fri 6/5

11:07 am-8:36 am

2 stops21h 29m

$248

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Fri 6/26

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sun 6/28

8:31 am-10:23 am

Nonstop1h 52m

$249

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Other information

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

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

In general, July 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 $254. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $276.

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 $423. When flying out on a Tuesday, 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 $832.

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 $480 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 $941 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 $320 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 $193 on momondo.

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

You could potentially save up to 6% on your flight if you consider stops on a Louisville to Washington, D.C. Dulles Intl Airport flight.

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

As of May 2026, prices for Louisville to Washington, D.C. Dulles Intl Airport flights are approximately 191% 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	$207
Fastest flight time	1h 34m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Louisville in the past 72 hours is $207. The best round-trip flight deal from Louisville to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $387.

The fastest flight from Louisville to Washington, D.C. Dulles Intl Airport takes 1h 34m

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 34m 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?
As of May 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Louisville and Washington, D.C. Dulles Intl Airport, the leading plane model is Embraer 175 (Enhanced Winglets), making up 30.07% of the total bookings. Other popular models include Embraer 175 with 16.34%, Boeing 737 MAX 8 with 11.11%, and Canadair (Bombardier) Regional Jet 900 with 10.46%.
What is the most popular airline from Louisville to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Louisville and Washington, D.C. Dulles Intl Airport, the leading airline is United Airlines, making up 94% of the total bookings. Other popular airlines include Delta with 6%.

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 Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 9,692 reviews		Search United Airlines flights
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 8,457 reviews		Search Delta 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 21 flights on this route every week with an average price of $287. United Airlines is rated 7.4/10 by our users.

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Sterling

Linthicum Heights

Tysons

Bethesda

Springfield

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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Flights to New York John F Kennedy Intl Airportfrom $88

Flights to Newark Airportfrom $76

Flights to New York LaGuardia Airportfrom $58

Flights to Dallas/Fort Worth Airportfrom $76

Flights to Chicago O'Hare Intl Airportfrom $66

Flights to Washington, D.C. Reagan-National Airportfrom $128

Flights to Orlando Airportfrom $50

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Cheap flights from Louisville to Washington, D.C. from $105

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Washington, D.C. departing on 6/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

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

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

See travel insights to Washington, D.C. from

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

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

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

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

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

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

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

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

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

How many flights depart from Louisville to Washington, D.C. Dulles Intl Airport on average per day?

How many flights depart from Louisville to Washington, D.C. Dulles Intl Airport on average per week?

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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

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

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