What is the cheapest airline that flies from South Dakota to London?

Iberia, United Airlines, and Aer Lingus are the most popular carriers operating from South Dakota to London

How long does it take to fly to London?

Flight times from South Dakota to London vary, but if you’re flying out of Sioux Falls and flying into London Heathrow Airport (one of the most popular routes), then the duration is 11h 13m on average. Another popular route from South Dakota to London is flying from Rapid City to London Heathrow Airport, which will take roughly 11h 42m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

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.

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

The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£256 Cheap Flights from South Dakota to London in 2026

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Find the cheapest flights from South Dakota to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:19 - 11:15

RAP

LHR

15h 56m

1 stop

12:55 - 21:35

LHR

RAP

15h 40m

1 stop

£673Multiple Airlines

Wed, 12 Aug - Wed, 26 Aug

12:19 - 11:15

RAP

LHR

15h 56m

1 stop

12:55 - 21:35

LHR

RAP

15h 40m

1 stop

£674Multiple Airlines

Wed, 12 Aug - Wed, 26 Aug

17:23 - 12:15

FSD

LHR

12h 52m

1 stop

14:45 - 23:51

LHR

FSD

15h 06m

1 stop

£674Iberia

Mon, 7 Sep - Tue, 15 Sep

17:02 - 14:25

RAP

LHR

14h 23m

1 stop

10:05 - 21:35

LHR

RAP

18h 30m

2 stops

£676American Airlines

Wed, 12 Aug - Wed, 26 Aug

12:41 - 09:00

RAP

LHR

13h 19m

1 stop

10:05 - 21:35

LHR

RAP

18h 30m

2 stops

£677American Airlines

Wed, 12 Aug - Wed, 26 Aug

12:30 - 10:50

FSD

LHR

16h 20m

1 stop

07:50 - 23:51

LHR

FSD

22h 01m

2 stops

£685Iberia

Sat, 12 Sep - Tue, 22 Sep

09:36 - 10:00

FSD

LHR

42h 24m

2 stops

06:50 - 21:52

LHR

FSD

21h 02m

2 stops

£702United Airlines

Sat, 12 Sep - Tue, 22 Sep

09:36 - 10:00

FSD

LHR

42h 24m

2 stops

06:50 - 21:52

LHR

FSD

21h 02m

2 stops

£703United Airlines

Sat, 12 Sep - Tue, 22 Sep

13:00 - 08:10

FSD

LCY

13h 10m

2 stops

09:20 - 19:44

LCY

FSD

16h 24m

2 stops

£756KLM

Mon, 9 Nov - Mon, 16 Nov

13:26 - 08:50

FSD

LCY

13h 24m

2 stops

09:20 - 19:45

LCY

FSD

16h 25m

2 stops

£806KLM

Sun, 9 Aug - Sat, 29 Aug

Delta flights from South Dakota to London

Our best Delta deals on South Dakota to London flight tickets

Delta

21 Aug

RAP10:46Rapid City

19h 29m

2 stops

LHR13:15London Heathrow

31 Aug

LHR06:30London Heathrow

14h 18m

2 stops

RAP13:48Rapid City

£774

Delta

21 Aug

RAP06:48Rapid City

17h 22m

2 stops

LHR07:10London Heathrow

31 Aug

LHR08:40London Heathrow

20h 18m

2 stops

RAP21:58Rapid City

£774

Delta

12 Aug

RAP06:48Rapid City

19h 02m

2 stops

LCY08:50London City

26 Aug

LCY07:45London City

21h 52m

2 stops

RAP22:37Rapid City

£777

Iberia flights from South Dakota to London

Our best Iberia deals on South Dakota to London flight tickets

Iberia

7 Sept

FSD17:23Sioux Falls Joe Foss Field

12h 52m

1 stop

LHR12:15London Heathrow

15 Sept

LHR14:45London Heathrow

15h 06m

1 stop

FSD23:51Sioux Falls Joe Foss Field

£674

Iberia

12 Sept

FSD12:30Sioux Falls Joe Foss Field

16h 20m

1 stop

LHR10:50London Heathrow

22 Sept

LHR07:50London Heathrow

22h 01m

2 stops

FSD23:51Sioux Falls Joe Foss Field

£685

Iberia

12 Sept

FSD18:00Sioux Falls Joe Foss Field

12h 15m

1 stop

LHR12:15London Heathrow

22 Sept

LHR07:50London Heathrow

22h 01m

2 stops

FSD23:51Sioux Falls Joe Foss Field

£686

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

12:19-11:15

1 stop15h 56m

London Heathrow

Wed 26/8

12:55-21:35

1 stop15h 40m

£673

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

12:19-11:15

1 stop15h 56m

London Heathrow

Wed 26/8

12:55-21:35

1 stop15h 40m

£674

Fastest return journey

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 7/9

17:23-12:15

1 stop12h 52m

London Heathrow

Tue 15/9

14:45-23:51

1 stop15h 06m

£674

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

17:02-14:25

1 stop14h 23m

London Heathrow

Wed 26/8

10:05-21:35

2 stops18h 30m

£676

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

12:41-09:00

1 stop13h 19m

London Heathrow

Wed 26/8

10:05-21:35

2 stops18h 30m

£677

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

12:30-10:50

1 stop16h 20m

London Heathrow

Tue 22/9

07:50-23:51

2 stops22h 01m

£685

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

09:36-10:00

2 stops42h 24m

London Heathrow

Tue 22/9

06:50-21:52

2 stops21h 02m

£702

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

09:36-10:00

2 stops42h 24m

London Heathrow

Tue 22/9

06:50-21:52

2 stops21h 02m

£703

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Mon 9/11

13:00-08:10

2 stops13h 10m

London City

Mon 16/11

09:20-19:44

2 stops16h 24m

£756

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sun 9/8

13:26-08:50

2 stops13h 24m

London City

Sat 29/8

09:20-19:45

2 stops16h 25m

£806

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from South Dakota to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from South Dakota is in July. Flight prices, which tend to average around £379, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from South Dakota averaging around £438.

Cheap South Dakota to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to London

Fastest flight time	11h 13m
Direct flights	None

The fastest flight from South Dakota to London takes 11h 13m

There are no direct flights from South Dakota to London. There are no popular flight routes from South Dakota to London.

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Frequently asked questions about flying from South Dakota to London

When did momondo last update prices for flights from South Dakota to London?
Prices for flights from South Dakota to London are refreshed on a daily basis.
How old do you have to be to fly from South Dakota to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Milton Keynes

Luton

Gatwick

Wembley

Slough

Maidstone

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Folkestone

Chelmsford

Dover

Bedford

Chichester

Harlow

Colchester

Why use momondo?

Why should I use momondo to find a flight deal from South Dakota to London?

It is quick and easy to find South Dakota to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from South Dakota to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from South Dakota with this policy.

How can momondo help me find flights from South Dakota to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from South Dakota.

I’m not ready to book a flight from South Dakota to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of South Dakota to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from South Dakota to London from £256

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to London departing on 15/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from South Dakota to London

Our best Delta deals on South Dakota to London flight tickets

Iberia flights from South Dakota to London

Our best Iberia deals on South Dakota to London flight tickets

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How to get the cheapest flight ticket from South Dakota to London

What is the cheapest month to fly to London?

What is the cheapest airline that flies from South Dakota to London?

How long does it take to fly to London?

Cheap South Dakota to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to London

Fastest flight time

Direct flights

Frequently asked questions about flying from South Dakota to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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