The cheapest times to fly from IAD to RSD are

  • January 1st to March 4th (except the week of February 12th)
  • May 21st to June 3rd
  • August 6th to March 4th (except the weeks of October 15th, October 29th, November 5th, November 19th, December 17th, December 24th, and February 12th)

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 RSD is late September. Prices can be as high as $1400 for Saturday flights during late December, or as low as $519 for Tuesday flights around late September.


When to Fly to Rock Sound

Flying from Washington, DC (IAD) to Rock Sound (RSD) will usually cost between $522 to $1205 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 $536. Due to high demand the most expensive time to fly is late December, with an average price of $1095. Planning your trip to low-cost times can easily save you $559 on economy flights and even more on first-class flights. Generally, any price below $650 can be considered a good price for a round-trip IAD to RSD flight.

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

IAD to RSD Flight Prices

Compared to other flights, the IAD to RSD flight is cheaper than the average and costs less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.41, which is a bit above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to RSD, and Wednesday the cheapest day to fly back into IAD. Saturdays are the most expensive days to fly to Rock Sound, and Thursdays are the most expensive days to return to Washington. Selecting flights on the least expensive days could save you up to $295 (34%) 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 $576. Return trip prices are from the RSD to IAD 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 IAD to RSD can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 44 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 RSD while comparing.

Destination alternative #1: Lynden Pindling International Airport (NAS) in Nassau

  • 81 miles (130 km) away from RSD
  • Usually 50.62% less expensive than RSD
  • Nonstop flights available

See IAD to NAS flights

Destination alternative #2: Leonard M Thompson International Airport (MHH) in Marsh Harbour

  • 125 miles (201 km) away from RSD
  • Usually 12.00% less expensive than RSD
  • 1-layover flights available

See IAD to MHH flights

Destination alternative #3: Exuma International Airport (GGT) in Moss Town

  • 94 miles (151 km) away from RSD
  • Usually 10.15% less expensive than RSD
  • 1-layover flights available

See IAD to GGT flights

Destination alternative #4: North Eleuthera Airport (ELH) in North Eleuthera

  • 51 miles (82 km) away from RSD
  • Usually 7.31% less expensive than RSD
  • 1-layover flights available

See IAD to ELH flights


Flight Hacking IAD to RSD

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 RSD — but Champion Traveler does!

Hack #1: Nassau (IAD > NAS > RSD)

  • Price for both tickets: $494
  • Average savings: $157 (24.08%)

See IAD to NAS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 5 major airlines flying this route most often: American, Bahamasair, COPA, Delta, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 974 miles or 1567 kilometers.

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

The real-world flight time for a nonstop IAD to RSD flight is about 2 hour 44 minutes.

How many flights go between Washington, DC and Rock Sound?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from IAD to RSD.


Airport Location Info


Departing Airport

Origination codeIAD
Origination airport nameWashington Dulles International Airport
CityWashington, DC
Countrythe United States

Return Airport

Destination codeRSD
Destination airport nameRock Sound Airport
CityRock Sound
CountryThe Bahamas


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.