We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Sioux Falls. You can choose from four airlines. At the moment, 29 / Apr / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
There are 44 flights from London Heathrow to or via Sioux Falls every week. Out of the four available airlines, the most popular ones are Virgin Atlantic, Lufthansa & British Airways. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Your flight from London Heathrow to Sioux Falls will take at least 12 hrs 40 mins. On average, it takes 14 hrs 50 mins to fly the 6750 km distance. Take a look at flight times to see which one works best for you.
You can also search by month, which will reveal the cheapest time of the week to fly.
