The cheapest times to fly from LJU to IAD are

  • October 29th to May 13th (except the weeks of December 10th and April 16th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LJU to IAD is early to mid February. Prices can be as high as $1337 for Friday flights during early August, or as low as $659 for Tuesday flights around early to mid February.


When to Fly to Washington

Flying from Ljubljana (LJU) to Washington, DC (IAD) will usually cost between $665 to $1194 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid February with an average ticket price of $682. Due to high demand the most expensive time to fly is early August, with an average price of $1228. Planning your trip to low-cost times can easily save you $545 on economy flights and even more on first-class flights. Generally, any price below $724 can be considered a good price for a round-trip LJU to IAD flight.

See below for a graph of average weekly prices for the LJU to IAD route. All prices are for round-trip tickets in USD.

LJU to IAD Flight Prices

Compared to other flights, the LJU to IAD flight is cheaper than the average and costs about as much as the average flight leaving from Ljubljana. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $58 (5%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $755. Return trip prices are from the IAD to LJU flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LJU to IAD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 58 minutes may not be realistic.


Flight Hacking LJU to IAD

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LJU to IAD — but Champion Traveler does!

Hack #1: Copenhagen (LJU > CPH > IAD)

  • Price for both tickets: $551
  • Average savings: $173 (23.91%)

See LJU to AMS flights

Hack #2: Amsterdam (LJU > AMS > IAD)

  • Price for both tickets: $569
  • Average savings: $155 (21.35%)

See LJU to CPH flights

Hack #3: Belgrade (LJU > BEG > IAD)

  • Price for both tickets: $666
  • Average savings: $57 (7.91%)

See LJU to BEG flights


Flight Questions Answered

Still have questions about flying from LJU to IAD? We’ve got answers.

Which airlines fly this route?

You can find 18 major airlines flying this route most often: Adria, Aeroflot, Air Canada, Air France, Air India, Alitalia, Austrian, British Airways, Brussels Airlines, Delta, Finnair, KLM, Lufthansa, SAS, Singapore Airlines, SWISS, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Washington Dulles International Airport to Ljubljana Airport?

The distance between the two airports is roughly 4432 miles or 7133 kilometers.

How long does it take to fly from LJU to IAD?

The real-world flight time for a nonstop LJU to IAD flight is about 8 hour 58 minutes.

How many flights go between Ljubljana and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from LJU to IAD.


Airport Location Info


Departing Airport

Origination code LJU
Origination airport name Ljubljana Airport
City Ljubljana
Country Slovenia
Latitude 46.2
Longitude 14.5

Return Airport

Destination code IAD
Destination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.