Cheap flights from South Dakota to London from £290

When did momondo last update prices for flights from South Dakota to London Heathrow Airport?

Prices for flights from South Dakota to London Heathrow Airport are refreshed on a daily basis.

How many operators does momondo search for flights from South Dakota to London Heathrow Airport?

As of March 2026, there is 1 operator available to choose from for flights from South Dakota to London Heathrow Airport.

How old do you have to be to fly from South Dakota to London Heathrow Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Dakota to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.