How long does it take to fly to London?

Flight times from South Dakota to London vary, but if you’re flying out of Rapid City and flying into London Heathrow Airport (one of the most popular routes), then the duration is 13h 25m on average. Another popular route from South Dakota to London is flying from Sioux Falls to London Heathrow Airport, which will take roughly 16h 40m. Keep in mind that layovers or delays could extend your travel time.

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

Delta, Iberia, and Lufthansa are the most popular carriers operating 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 many operators does momondo search for flights from South Dakota to London?

As of August 2025, there is 1 operator available to choose from for flights from South Dakota to London.

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.

£381 Cheap Flights from South Dakota to London in 2025

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Find the cheapest flights from South Dakota to London

Round-trip

One-way

Last minute

Cheap return flights

05:05 - 06:05RAP-LHR

18h 00m1 stop

06:20 - 22:10LHR-RAP

22h 50m2 stops

£465Delta

Find Deal

Sun, 2 Nov - Tue, 25 Nov

12:56 - 13:10FSD-LHR

18h 14m1 stop

11:30 - 23:02LHR-FSD

17h 32m2 stops

£465Delta

Find Deal

Mon, 1 Sep - Fri, 12 Sep

08:45 - 10:10RAP-LHR

18h 25m2 stops

15:00 - 14:43LHR-RAP

30h 43m2 stops

£469United Airlines

Find Deal

Mon, 3 Nov - Thu, 27 Nov

14:30 - 13:10FSD-LHR

16h 40m1 stop

13:05 - 23:02LHR-FSD

15h 57m1 stop

£470KLM

Find Deal

Mon, 1 Sep - Fri, 12 Sep

06:00 - 12:20FSD-LHR

24h 20m1 stop

08:40 - 22:22LHR-FSD

19h 42m2 stops

£473United Airlines

Find Deal

Wed, 1 Oct - Wed, 8 Oct

05:30 - 07:15FSD-LHR

19h 45m1 stop

12:25 - 22:44LHR-FSD

16h 19m1 stop

£508Virgin Atlantic

Find Deal

Thu, 25 Sep - Tue, 30 Sep

18:10 - 16:25FSD-LCY

16h 15m2 stops

19:10 - 20:21LCY-FSD

31h 11m2 stops

£534Lufthansa

Find Deal

Mon, 6 Oct - Tue, 14 Oct

18:04 - 13:10FSD-LHR

13h 06m1 stop

11:30 - 23:46LHR-FSD

18h 16m2 stops

£540Virgin Atlantic

Find Deal

Fri, 22 Aug - Sat, 30 Aug

11:20 - 16:40FSD-LHR

23h 20m2 stops

13:30 - 17:29LHR-FSD

33h 59m2 stops

£543Lufthansa

Find Deal

Mon, 1 Sep - Fri, 12 Sep

10:59 - 13:10FSD-LHR

20h 11m1 stop

09:20 - 23:06LHR-FSD

19h 46m1 stop

£546KLM

Find Deal

Fri, 22 Aug - Sat, 30 Aug

United Airlines flights from South Dakota to London

Our best United Airlines deals on South Dakota to London flight tickets

United Airlines

3 Nov

RAP08:45Rapid City

18h 25m

2 stops

LHR10:10London Heathrow

27 Nov

LHR15:00London Heathrow

30h 43m

2 stops

RAP14:43Rapid City

£469

Find similar

United Airlines

1 Oct

FSD06:00Sioux Falls Joe Foss Field

24h 20m

1 stop

LHR12:20London Heathrow

8 Oct

LHR08:40London Heathrow

19h 42m

2 stops

FSD22:22Sioux Falls Joe Foss Field

£473

Find similar

United Airlines

10 Sept

RAP10:15Rapid City

19h 05m

1 stop

LHR12:20London Heathrow

17 Sept

LHR15:50London Heathrow

31h 12m

2 stops

RAP16:02Rapid City

£474

Find similar

Delta flights from South Dakota to London

Our best Delta deals on South Dakota to London flight tickets

Delta

2 Nov

RAP05:05Rapid City

18h 00m

1 stop

LHR06:05London Heathrow

25 Nov

LHR06:20London Heathrow

22h 50m

2 stops

RAP22:10Rapid City

£465

Find similar

Delta

2 Nov

RAP05:05Rapid City

19h 40m

2 stops

LHR07:45London Heathrow

25 Nov

LHR06:20London Heathrow

22h 50m

2 stops

RAP22:10Rapid City

£468

Find similar

Delta

2 Nov

RAP05:05Rapid City

18h 00m

1 stop

LHR06:05London Heathrow

25 Nov

LHR11:05London Heathrow

18h 05m

1 stop

RAP22:10Rapid City

£470

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 2/11

05:05-06:05

1 stop18h 00m

London Heathrow

Tue 25/11

06:20-22:10

2 stops22h 50m

£465

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 1/9

12:56-13:10

1 stop18h 14m

London Heathrow

Fri 12/9

11:30-23:02

2 stops17h 32m

£465

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 3/11

08:45-10:10

2 stops18h 25m

London Heathrow

Thu 27/11

15:00-14:43

2 stops30h 43m

£469

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 1/9

14:30-13:10

1 stop16h 40m

London Heathrow

Fri 12/9

13:05-23:02

1 stop15h 57m

£470

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 1/10

06:00-12:20

1 stop24h 20m

London Heathrow

Wed 8/10

08:40-22:22

2 stops19h 42m

£473

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 25/9

05:30-07:15

1 stop19h 45m

London Heathrow

Tue 30/9

12:25-22:44

1 stop16h 19m

£508

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Mon 6/10

18:10-16:25

2 stops16h 15m

London City

Tue 14/10

19:10-20:21

2 stops31h 11m

£534

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 22/8

18:04-13:10

1 stop13h 06m

London Heathrow

Sat 30/8

11:30-23:46

2 stops18h 16m

£540

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 1/9

11:20-16:40

2 stops23h 20m

London Heathrow

Fri 12/9

13:30-17:29

2 stops33h 59m

£543

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 22/8

10:59-13:10

1 stop20h 11m

London Heathrow

Sat 30/8

09:20-23:06

1 stop19h 46m

£546

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 March. Flight prices, which tend to average around £517, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from South Dakota averaging around £639.

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

Best price found	£381
Fastest flight time	10h 40m
Direct flights	None
Airports in London	3 airports

The best one-way flight to London from South Dakota in the past 72 hours is £381. The best return flight deal from South Dakota to London found on momondo in the last 72 hours is £465.

The fastest flight from South Dakota to London takes 10h 40m

There are no direct flights from South Dakota to London. Popular non-direct routes for this connection are Sioux Falls Joe Foss Field Airport - London Gatwick Airport, Sioux Falls Joe Foss Field Airport - London Heathrow Airport and Sioux Falls Joe Foss Field Airport - London City Airport.

There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)

Search flight deals

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 many operators does momondo search for flights from South Dakota to London?
As of August 2025, there is 1 operator available to choose from for flights from South Dakota to London.
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.

Best airlines flying from South Dakota to London

Compare and see reviews for airlines that fly from South Dakota to London with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom £474	Free Cancellation	Rating 7.4 8,917 reviews		Search United Airlines flights

Eastbourne

Milton Keynes

Luton

Slough

Maidstone

Southend-on-Sea

Canterbury

Gatwick

Ipswich

Ilford

Guildford

Colchester

Dartford

Hounslow

Worthing

Dover

Chelmsford

Hayes

Winchester

Bedford

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.