Cheap flights from Louisville to Washington, D.C. from $97
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 12/7. 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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Fly from
Fly to
Route
Depart
Return
LouisvilleBaltimore
SDF Louisville Intl - BWI Baltimore/Washington
SDFBWI
Louisville Intl
Wed 11/4
6:21 am-11:10 am
1 stop4h 49m
Baltimore/Washington
Sat 11/7
7:18 am-1:02 pm
1 stop5h 44m
LouisvilleBaltimore
SDF Louisville Intl - BWI Baltimore/Washington
SDFBWI
Louisville Intl
Wed 11/4
6:21 am-11:10 am
1 stop4h 49m
Baltimore/Washington
Sat 11/7
11:48 am-5:31 pm
1 stop5h 43m
LouisvilleBaltimore
SDF Louisville Intl - BWI Baltimore/Washington
SDFBWI
Louisville Intl
Mon 11/9
6:53 pm-1:01 pm
1 stop18h 08m
Baltimore/Washington
Tue 11/17
7:05 pm-3:26 pm
2 stops20h 21m
LouisvilleBaltimore
SDF Louisville Intl - BWI Baltimore/Washington
SDFBWI
Louisville Intl
Wed 12/9
5:40 am-7:10 am
Nonstop1h 30m
Baltimore/Washington
Fri 12/11
10:30 pm-12:20 am
Nonstop1h 50m
LouisvilleBaltimore
SDF Louisville Intl - BWI Baltimore/Washington
SDFBWI
Louisville Intl
Fri 12/11
5:40 am-7:10 am
Nonstop1h 30m
Baltimore/Washington
Mon 12/14
8:20 pm-10:10 pm
Nonstop1h 50m
LouisvilleWashington, D.C.
SDF Louisville Intl - IAD Washington, D.C. Dulles Intl
SDFIAD
Louisville Intl
Sat 2/20
10:00 am-11:39 am
Nonstop1h 39m
Washington, D.C. Dulles Intl
Tue 2/23
5:55 pm-7:34 pm
Nonstop1h 39m
LouisvilleBaltimore
SDF Louisville Intl - BWI Baltimore/Washington
SDFBWI
Louisville Intl
Tue 11/17
1:01 pm-5:24 pm
1 stop4h 23m
Baltimore/Washington
Mon 11/23
6:00 am-11:56 am
1 stop5h 56m
LouisvilleBaltimore
SDF Louisville Intl - BWI Baltimore/Washington
SDFBWI
Louisville Intl
Thu 11/19
8:05 am-12:54 pm
1 stop4h 49m
Baltimore/Washington
Sat 11/21
4:58 pm-9:42 pm
1 stop4h 44m
LouisvilleWashington, D.C.
SDF Louisville Intl - IAD Washington, D.C. Dulles Intl
SDFIAD
Louisville Intl
Thu 12/3
9:55 am-11:33 am
Nonstop1h 38m
Washington, D.C. Dulles Intl
Sun 12/6
5:43 pm-7:35 pm
Nonstop1h 52m
LouisvilleBaltimore
SDF Louisville Intl - BWI Baltimore/Washington
SDFBWI
Louisville Intl
Mon 11/9
6:53 pm-1:01 pm
1 stop18h 08m
Baltimore/Washington
Sat 11/14
3:17 pm-8:02 am
2 stops40h 45m
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Louisville to Washington, D.C.
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.?
Prices are currently low for flights on this route.
Typical prices usually range from $264 to $336.The lowest price recently found on this route was $193.
What is the cheapest month to fly to Washington, D.C.?
The month of November is, on average, the cheapest month to fly to Washington, D.C. from Louisville, with most prices found around $260. If you’re not able to fly to Washington, D.C. in November, then January is your next best option. Flight prices from Louisville to Washington, D.C. during January average around $271.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Louisville is on a Friday. momondo users have found tickets for Friday departures for as low as $369. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $674.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
In the afternoon is the cheapest time of day to fly from Louisville to Washington, D.C. when you can find flight prices for as low as $328. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $952. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Louisville Intl to Washington, D.C. flight route?
Fly from Louisville Intl to Washington, D.C. Reagan-National for the best Louisville Intl - Washington, D.C. flight prices
How far in advance should I book a flight from Louisville to Washington, D.C.?
You are more likely to see cheaper flights to Washington, D.C. from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $333 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Louisville for as low as $200 on momondo.
What cabin class options are available on Louisville to Washington, D.C. flights?
There are 4 cabin classes available to choose from on Louisville to Washington, D.C. 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. flights?
No. A direct flight is the cheapest option for a flight between Louisville to Washington, D.C..
How have Louisville to Washington, D.C. flight prices changed over time?
As of October 2026, prices for Louisville to Washington, D.C. flights are approximately 59% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Louisville Intl to Washington, D.C.?
Southwest, Delta, and United Airlines are the most popular carriers operating from Louisville Intl to Washington, D.C.
What airlines fly to Washington, D.C.?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. from Louisville according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
How many flights depart from Louisville to Washington, D.C. on average per day?
The number of flights available between Louisville and Washington, D.C. is 12 per day as of October 2026. The most frequent departure time is 10:00AM, with 68% of daily flights leaving at noon.
How many flights depart from Louisville to Washington, D.C. on average per week?
As of October 2026, there are 89 flights per week flying from Louisville to Washington, D.C.. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.
When to book flights from Louisville to Washington, D.C.
Cheap Louisville to Washington, D.C. (SDF to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Louisville to Washington, D.C.
Frequently asked questions about flying from Louisville to Washington, D.C.
How far is Louisville Intl to Washington, D.C. by plane?
Louisville Intl and Washington, D.C. are 472.6 mi apart from one another. By plane, this route typically takes 1h 30m.
When did momondo last update prices for flights from Louisville Intl Airport to Washington, D.C.?
Prices for flights from Louisville Intl Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Washington, D.C.?
There are 4 operators available for flights from Louisville Intl Airport to Washington, D.C. as of October 2026.
How old do you have to be to fly from Louisville Intl Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek 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.?
Based on momondo bookings for flights between Louisville and Washington, D.C., the leading plane model is Embraer 175, making up 28.56% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 25.02%, Canadair (Bombardier) Regional Jet 700 with 14.41%, and Boeing 737 MAX 8 with 9.40%.
What is the most popular airline from Louisville to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Washington, D.C. is American Airlines (52% of total bookings). The next most popular airlines are United Airlines (41%) and Southwest (7%).
Best airlines flying from Louisville to Washington, D.C.
Compare and see reviews for airlines that fly from Louisville to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $189 | Free Cancellation | Rating 7.4 10,331 reviews | |||
| PriceFrom $189 | Free Cancellation | Rating 7.0 12,152 reviews | |||
| PriceFrom $208 | Free Cancellation | Rating 7.8 8,654 reviews | |||
| PriceFrom $209 | Free Cancellation | Rating 7.9 4,227 reviews |
Southwest Flights From Louisville to Washington, D.C.
Across 3 Southwest flights from Louisville to Washington, D.C. this week, the average price was $397, with the best Southwest deals starting from $209 round-trip. 4,227 users have rated Southwest on momondo, with an average score of 7.9/10.
United Airlines Flights From Louisville to Washington, D.C.
The best United Airlines deal for Louisville to Washington, D.C. flight tickets found on momondo in the last 72 hours was $189, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $302 round-trip. United Airlines operates 20 flights out of Louisville into Washington, D.C. in an average week, so prices vary by time and availability. 10,331 United Airlines reviews by users on momondo have scored the airline at 7.4/10.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Louisville to Washington, D.C.?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Washington, D.C. for you.
Can I find flights from Louisville to Washington, D.C. with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington, D.C. from Louisville which offer a flexible booking policy as well as other useful filters and features.
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?
Yes momondo offers price alerts on flights to Washington, D.C. from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.