The cheapest times to fly from DCA to LJU are

  • January 8th to March 4th
  • March 19th to April 1st
  • August 13th to December 9th (except the week of August 27th)

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 DCA to LJU is late September. Prices can be as high as $1629 for Sunday flights during mid December, or as low as $962 for Tuesday flights around late September.


When to Fly to Ljubljana

Flying from Washington, DC (DCA) to Ljubljana (LJU) will usually cost between $1009 to $1181 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $1006. Due to high demand the most expensive time to fly is mid December, with an average price of $1330. Planning your trip to low-cost times can easily save you $324 on economy flights and even more on first-class flights. Generally, any price below $1034 can be considered a good price for a round-trip DCA to LJU flight.

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

DCA to LJU Flight Prices

Compared to other flights, the DCA to LJU flight is priced close to the average and costs about as much as the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.15, 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. Sundays are the most expensive days to fly to Ljubljana, and Saturdays are the most expensive days to return to Washington. Selecting flights on the least expensive days could save you up to $69 (6%) 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 $1031. Return trip prices are from the LJU to DCA 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 DCA to LJU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 56 minutes may not be realistic.


Flight Hacking DCA to LJU

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 DCA to LJU — but Champion Traveler does!

Hack #1: Sofia (DCA > SOF > LJU)

  • Price for both tickets: $836
  • Average savings: $198 (19.15%)

See DCA to SOF flights

Hack #2: London (DCA > LHR > LJU)

  • Price for both tickets: $859
  • Average savings: $176 (16.97%)

See DCA to LHR flights

Hack #3: Amsterdam (DCA > AMS > LJU)

  • Price for both tickets: $878
  • Average savings: $157 (15.14%)

See DCA to AMS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 20 major airlines flying this route most often: Adria, Aeroflot, Air Canada, Air France, Alaska, Alitalia, American, Austrian, British Airways, Brussels Airlines, Delta, Finnair, Icelandair, JetBlue, KLM, LOT, Lufthansa, SAS, SWISS, United, and potentially more during busy seasons.

How far away is it from Ljubljana Airport to Ronald Reagan Washington National Airport?

The distance between the two airports is roughly 4419 miles or 7112 kilometers.

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

The real-world flight time for a nonstop DCA to LJU flight is about 8 hour 56 minutes.

How many flights go between Washington, DC and Ljubljana?

It depends on the day of the week and the date, but a typical day might have around 72 available flights from DCA to LJU.


Airport Location Info


Departing Airport

Origination code DCA
Origination airport name Ronald Reagan Washington National Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77

Return Airport

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


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.