The cheapest times to fly from IAD to LGI are

  • October 22nd to May 6th (except the weeks of December 17th and April 2nd)

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 LGI is late January. Prices can be as high as $2386 for Sunday flights during late July, or as low as $721 for Saturday flights around late January.


When to Fly to Deadman’s Cay Settlement

Flying from Washington, DC (IAD) to Deadman’s Cay (LGI) will usually cost between $1331 to $2006 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $1350. Due to high demand the most expensive time to fly is late July, with an average price of $2019. Planning your trip to low-cost times can easily save you $669 on economy flights and even more on first-class flights. Generally, any price below $1994 can be considered a good price for a round-trip IAD to LGI flight.

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

IAD to LGI Flight Prices

Compared to other flights, the IAD to LGI 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

Saturday is usually the cheapest day to depart and return on this flight. Sundays 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 $659 (33%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Saturday and returning a week later will cost an average of $1710. Return trip prices are from the LGI 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 LGI 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 57 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 LGI while comparing.

Destination alternative #1: Exuma International Airport (GGT) in Moss Town

  • 56 miles (90 km) away from LGI
  • Usually 70.70% less expensive than LGI
  • 1-layover flights available

See IAD to GGT flights

Destination alternative #2: Rock Sound Airport (RSD) in Rock Sound

  • 137 miles (220 km) away from LGI
  • Usually 67.39% less expensive than LGI
  • 2-layover flights available

See IAD to RSD flights


Flight Hacking IAD to LGI

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 LGI — but Champion Traveler does!

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

  • Price for both tickets: $558
  • Average savings: $1436 (72.01%)

See IAD to NAS flights

Hack #2: Fort Lauderdale, FL (IAD > FLL > LGI)

  • Price for both tickets: $764
  • Average savings: $1230 (61.7%)

See IAD to FLL flights

Hack #3: Orlando, FL (IAD > MCO > LGI)

  • Price for both tickets: $764
  • Average savings: $1230 (61.68%)

See IAD to MCO flights


Flight Questions Answered

Still have questions about flying from IAD to LGI? 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 Deadman’s Cay Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 1098 miles or 1767 kilometers.

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

The real-world flight time for a nonstop IAD to LGI flight is about 2 hour 57 minutes.

How many flights go between Washington, DC and Deadman’s Cay?

It depends on the day of the week and the date, but a typical day might have around 10 available flights from IAD to LGI.


Airport Location Info


Departing Airport

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

Return Airport

Destination codeLGI
Destination airport nameDeadman’s Cay Airport
CityDeadman’s Cay
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.