Skyscanner home

Cheap Flights from Sioux Falls to London Heathrow

Compare Sioux Falls to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Sioux Falls Airport to London Heathrow Airport

Looking for a cheap last-minute deal or the best return flight from Sioux Falls Airport to London Heathrow Airport? If you want to travel next month, return fares start from R 15,776. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sioux Falls to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sioux Falls to London Heathrow flights are currently cheapest in July.
Apr
from R 9,493
May
from R 8,257
Jun
from R 17,449
Jul
from R 6,382
Aug
Find prices
Sep
Find prices
Oct
Find prices
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices

Sioux Falls to London Heathrow: Alternative routes

Compare routes from Sioux Falls to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

London City

12km from central London
Closest
from R 11,183
Search flights

London Heathrow

23km from central London
Cheapest
from R 6,382
Search flights

London Gatwick

40km from central London
from R 7,877
Search flights

London Luton

45km from central London
from R 9,425
Search flights

London Stansted

49km from central London
from R 9,717
Search flights

London Southend

57km from central London
from R 11,378
Search flights

Sioux Falls to London: Flight information

The things to know before you go.
Cheapest flight foundR 6,382
Cheapest month to flyJuly

Finding cheap flights from Sioux Falls to London Heathrow: Frequently asked questions

The best price we found for a return flight from Sioux Falls to London Heathrow is R 15,696. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sioux Falls to London Heathrow. But we found flights with one or more stops from R 15,696.
As of April 2026, there are no flights flying from Sioux Falls to London Heathrow.
The cheapest month to fly from Sioux Falls to London Heathrow is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sioux Falls Airport to London Heathrow Airport on Tuesday, 4 August 2026.
No airlines currently offer direct flights between Sioux Falls Airport and London Heathrow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to London Heathrow.

Travelling from Joe Foss Field Airport (FSD) to London Heathrow Airport (LHR): what you need to know

  • London's timezone is UTC+0, making London five hours ahead of Sioux Falls.

  • To ensure you get on your FSD to LHR flight, allow plenty of time to check in and drop off your luggage. Arriving two hours ahead of international departures and one hour before domestic flights is the general rule.

  • Flying during a peak time such as January? Public holidays and other popular seasons can lead to longer lines at security. Play things extra safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • If you want to split up your journey, just deselect 'Direct flights only' when searching for your ticket from Joe Foss Field Airport to London Heathrow Airport. These are the top stopovers between FSD and LHR:

    • O'Hare International Airport

    • Minneapolis-St. Paul International Airport

    • Denver International Airport

How to find the cheapest flights from Joe Foss Field Airport (FSD) to London Heathrow Airport (LHR)

  • R 6,382 is currently the lowest price for a one-way Joe Foss Field Airport to London Heathrow Airport flight. Return flights start from R 15,696. These prices can change depending on availability.

  • It's often best to book early if you want to find cheap tickets from FSD to LHR. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • Getting cheap flights from Joe Foss Field Airport to London Heathrow Airport is easier if you can be flexible with your trip dates. Use the 'Whole month' search function to see the lowest fares across the month and score a great deal.

  • Finding cheap flights from FSD to LHR is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

  • Lock in the right flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Joe Foss Field Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Joe Foss Field Airport (FSD)

  • The address for FSD is 2801 Jaycee Lane.

  • When it comes to the on-time performance of Joe Foss Field Airport, 75.18% of flights arrive within the scheduled timeframe.

  • Joe Foss Field Airport is around 5 kilometres from central Sioux Falls. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.

  • The journey when using public transport usually takes 1 hour 35 minutes.

  • Searching for a convenient hotel close to FSD? If you've booked an early flight from Joe Foss Field Airport to London Heathrow Airport, these accommodation options will put you moments from your departure lounge:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is approximately 31 kilometres from the centre of London. Driving there takes about 55 minutes.

  • If you're using public transport, expect a journey time of around 1 hour.

When to fly to London Heathrow Airport (LHR)

  • It's time to choose your dates for your flight from Joe Foss Field Airport to London Heathrow Airport. July is the most popular month to visit London. If you want a more laid-back vibe, go in February.

  • The warmest month in London is July, with the temperature ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your flights from Joe Foss Field Airport to London Heathrow Airport in this month if this is the type of weather you enjoy.

  • If you like travelling in cooler conditions, look for a cheap ticket from FSD to LHR in January. Average temperatures are between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United Kingdom

  • Birmingham is just one of the many cities in United Kingdom waiting to be discovered once you've taken in the sights of London. Around 161 kilometres away to the north-west, well-known attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another favourite destination in United Kingdom and is around 177 kilometres west of London. No trip is complete without dropping by Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Sioux Falls to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.