Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Santo Domingo, across the four airlines that offer this route. We've found that 03 / Nov / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
Iberia Airlines is the most popular airline that flies from London Heathrow to Santo Domingo. But it's still worth looking at other options, as there are 80 flights to Santo Domingo every week. If you want to broaden your search, look at flights departing from other airports.
Generally speaking, the flight from London Heathrow to Santo Domingo takes around 14 hrs 50 mins. The fastest flight takes 12 hrs 45 mins to cover the 6989 km distance. You can view all flight times yourself in the results list.
The cheapest month to fly to Santo Domingo is October, while December is when the prices of flights, hotels and car hire will be at their highest. If you need somewhere to stay for your trip to Dominican Republic, take a look at our accommodation options.
