The cheapest times to fly from IAD to BTS are

  • January 15th to March 11th
  • October 8th to December 16th (except the week of December 3rd)

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 IAD to BTS is early to mid December. Prices can be as high as $8270 for Wednesday flights during early May, or as low as $7958 for Wednesday flights around early to mid December.


When to Fly to Bratislava

Flying from Washington, DC (IAD) to Bratislava (BTS) will usually cost between $7958 to $8270 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid December with an average ticket price of $7958. Due to high demand the most expensive time to fly is early May, with an average price of $8270. Planning your trip to low-cost times can easily save you $312 on economy flights and even more on first-class flights. Generally, any price below $8114 can be considered a good price for a round-trip IAD to BTS flight.

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

IAD to BTS Flight Prices

Compared to other flights, the IAD to BTS flight is more expensive than the average and costs more than the average flight leaving from Washington. The average price per mile (for a direct flight) is $1.13, which is above average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to BTS. Wednesdays are the most expensive days to fly to Bratislava. Selecting flights on the least expensive days could save you up to $0 (0%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $8060. Return trip prices are from the BTS to IAD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IAD to BTS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 2 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from IAD to BTS while comparing.

Destination alternative #1: Budapest Liszt Ferenc International Airport (BUD) in Budapest

  • 107 miles (172 km) away from BTS
  • Usually 90.26% less expensive than BTS
  • 1-layover flights available

See IAD to BUD flights

Destination alternative #2: Vienna International Airport (VIE) in Vienna

  • 30 miles (48 km) away from BTS
  • Usually 89.97% less expensive than BTS
  • Nonstop flights available

See IAD to VIE flights

Destination alternative #3: Graz Airport (GRZ) in Graz

  • 116 miles (187 km) away from BTS
  • Usually 84.09% less expensive than BTS
  • 1-layover flights available

See IAD to GRZ flights

Destination alternative #4: Linz Airport (LNZ) in Linz

  • 139 miles (224 km) away from BTS
  • Usually 83.33% less expensive than BTS
  • 1-layover flights available

See IAD to LNZ flights


Flight Hacking IAD to BTS

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 IAD to BTS — but Champion Traveler does!

Hack #1: Dublin (IAD > DUB > BTS)

  • Price for both tickets: $748
  • Average savings: $7367 (90.79%)

See IAD to DUB flights

Hack #2: Sofia (IAD > SOF > BTS)

  • Price for both tickets: $812
  • Average savings: $7303 (90%)

See IAD to SOF flights

Hack #3: Manchester (IAD > MAN > BTS)

  • Price for both tickets: $846
  • Average savings: $7268 (89.57%)

See IAD to MAN flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 1 major airline flying this route most often: Emirates, and potentially more during busy seasons.

How far away is it from M R Stefanik Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 4475 miles or 7202 kilometers.

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

The real-world flight time for a nonstop IAD to BTS flight is about 9 hour 2 minutes.

How many flights go between Washington, DC and Bratislava?

It depends on the day of the week and the date, but a typical day might have around 18 available flights from IAD to BTS.


Airport Location Info


Departing Airport

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

Return Airport

Destination code BTS
Destination airport name M R Stefanik Airport
City Bratislava
Country Slovakia
Latitude 48.2
Longitude 17.2


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.