Cheap Flights from Louisville Muhammad Ali International to Washington Dulles

Compare Louisville Muhammad Ali International to Washington Dulles flight deals

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Flight deals from Louisville Muhammad Ali International to Washington Dulles

Looking for a cheap last-minute deal or the best round-trip flight from Louisville Muhammad Ali International Airport to Washington Dulles Airport? If you want to travel next month, round-trip fares start from AED 832. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Louisville Muhammad Ali International to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Louisville Muhammad Ali International to Washington Dulles flights are currently cheapest in July.

Direct flights from Louisville Muhammad Ali International to Washington Dulles

Louisville to Washington, D.C.: Flight information

The things to know before you go.
Cheapest flight foundAED 507
Cheapest month to flyJuly
Average flight time1 hr, 40 mins
Most popular airlineUnited
Average flights per week66

Finding cheap flights from Louisville Muhammad Ali International to Washington Dulles: Frequently asked questions

The best price we found for a round-trip flight from Louisville Muhammad Ali International to Washington Dulles is AED 832. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 40 minutes is the average flight time from Louisville Muhammad Ali International to Washington Dulles.
United, Copa and Republic Airways fly direct from Louisville Muhammad Ali International to Washington Dulles.
There are 66 flights per week flying from Louisville Muhammad Ali International to Washington Dulles, as of May 2026.
The cheapest month to fly from Louisville Muhammad Ali International to Washington Dulles is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Louisville Muhammad Ali International Airport to Washington Dulles Airport on Wednesday, June 10, 2026.
Yes – the average flight time is 1 hour and 40 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Washington Dulles.

Traveling from Louisville International Airport-Standiford Field (SDF) to Washington Dulles International Airport (IAD): what you need to know

  • The average duration of a direct flight from Louisville International Airport-Standiford Field to Washington Dulles International Airport is 1 hour 40 minutes.

  • Louisville and Washington DC follow the same timezone, UTC-4.

  • Flights from SDF to IAD start at 06:00 — the earliest with United Airlines. The latest departure is at 14:35 with United Airlines. In total, there are 30 weekly Louisville International Airport-Standiford Field to Washington Dulles International Airport flights.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your SDF to IAD flight.

  • During popular months like July, it's best to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of an international flight when you travel during a high season in general.

  • United Airlines has direct flights from Louisville International Airport-Standiford Field to Washington Dulles International Airport. Book with this popular carrier, then get ready to discover the sights in Washington DC — and maybe even more of United States if time allows.

  • The majority of travelers choose to travel with United Airlines on this route.

  • United Airlines is the most punctual carrier that operates SDF to IAD flights. An impressive 81.43% of its services on this route arrive on time.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from Louisville International Airport-Standiford Field to Washington Dulles International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Stopovers between SDF and IAD include:

    • Detroit Metropolitan Wayne County Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Louisville International Airport-Standiford Field (SDF) to Washington Dulles International Airport (IAD)

  • AED 507 is currently the best price for a one-way Louisville International Airport-Standiford Field to Washington Dulles International Airport flight. A return flight starts at AED 832. These prices may change depending on demand.

  • Book seven months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from SDF to IAD.

  • Schedule your trip for June. That's the cheapest month for flights from Louisville International Airport-Standiford Field to Washington Dulles International Airport. If you're flexible on when you fly, use the 'Whole month' tool to find the lowest airfare across each month.

  • Getting your hands on cheap flights from SDF to IAD is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as fares go down.

  • Lock in the ideal flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Louisville International Airport-Standiford Field to Washington Dulles International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Louisville International Airport-Standiford Field (SDF)

  • You'll find SDF at 600 Terminal Drive.

  • Of all flights leaving Louisville International Airport-Standiford Field, 77.69% arrive as scheduled at their destination.

  • To reach Louisville International Airport-Standiford Field from central Louisville, it takes about 25 minutes if you're planning to drive. This depends on traffic, however. It's approximately 23 kilometers from the airport to the city center.

  • The trip on public transport will take about 2 hours 40 minutes.

  • Get your trip off to a relaxed start by staying near SDF. Whether you're boarding an early flight from Louisville International Airport-Standiford Field to Washington Dulles International Airport or just don't want to be rushed, these hotels are perfect:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • The street address for IAD is 1 Saarinen Circle.

  • Washington Dulles International Airport to the center of Washington DC has a drive time of about 50 minutes. It's approximately 56 kilometers away.

  • Traveling on public transport will take you around 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • April is the most popular month for flights from Louisville International Airport-Standiford Field to Washington Dulles International Airport. For a quieter experience, go to Washington DC in January.

  • Lock in your flight from Louisville International Airport-Standiford Field to Washington Dulles International Airport for July if you want to go to Washington DC during its warmest month. Expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

  • Search for cheap tickets from SDF to IAD in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of United States

  • You've seen Washington DC, now it's time to discover more of United States. Journey about 322 kilometers north-east to New York to tick off its popular sights. From Statue of Liberty to Central Park and Empire State Building, there's plenty to keep you on the go.

  • If you're eager to discover another side of United States, head for Philadelphia, about 193 kilometers north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.