How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in South Dakota, such as Sioux Falls or Rapid City, and flying into London Heathrow Airport, then you can expect flight times to average 12h 35m and 14h 04m, respectively.

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

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

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 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.

£255 Cheap Flights from South Dakota to London Heathrow Airport 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

£670Multiple 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

£670Iberia

Mon, 7 Sep - Tue, 15 Sep

12:41 - 09:00

RAP

LHR

13h 19m

1 stop

10:05 - 21:35

LHR

RAP

18h 30m

2 stops

£674American 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

£682Iberia

Sat, 12 Sep - Tue, 22 Sep

18:00 - 12:15

FSD

LHR

12h 15m

1 stop

07:50 - 23:51

LHR

FSD

22h 01m

2 stops

£683Iberia

Sat, 12 Sep - Tue, 22 Sep

18:50 - 06:30

FSD

LHR

29h 40m

2 stops

06:50 - 21:52

LHR

FSD

21h 02m

2 stops

£700United Airlines

Sat, 12 Sep - Tue, 22 Sep

18:00 - 10:50

FSD

LHR

10h 50m

1 stop

09:45 - 23:51

LHR

FSD

20h 06m

1 stop

£707American Airlines

Sat, 12 Sep - Tue, 22 Sep

10:26 - 09:20

RAP

LHR

15h 54m

2 stops

08:00 - 17:53

LHR

RAP

16h 53m

2 stops

£718United Airlines

Wed, 12 Aug - Wed, 26 Aug

06:48 - 06:25

RAP

LHR

16h 37m

2 stops

08:40 - 21:58

LHR

RAP

20h 18m

2 stops

£770Delta

Fri, 21 Aug - Mon, 31 Aug

06:48 - 07:10

RAP

LHR

17h 22m

2 stops

08:40 - 21:58

LHR

RAP

20h 18m

2 stops

£771Delta

Fri, 21 Aug - Mon, 31 Aug

United Airlines flights from South Dakota to London Heathrow Airport

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

United Airlines

12 Sept

FSD09:36Sioux Falls Joe Foss Field

42h 24m

2 stops

LHR10:00London Heathrow

22 Sept

LHR06:50London Heathrow

21h 02m

2 stops

FSD21:52Sioux Falls Joe Foss Field

£700

United Airlines

12 Aug

RAP10:26Rapid City

15h 54m

2 stops

LHR09:20London Heathrow

26 Aug

LHR08:00London Heathrow

16h 53m

2 stops

RAP17:53Rapid City

£718

United Airlines

19 Oct

FSD17:05Sioux Falls Joe Foss Field

13h 20m

1 stop

LHR12:25London Heathrow

25 Oct

LHR06:50London Heathrow

15h 44m

2 stops

FSD17:34Sioux Falls Joe Foss Field

£730

Iberia flights from South Dakota to London Heathrow Airport

Our best Iberia deals on South Dakota to London Heathrow Airport 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

£670

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

£682

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

£683

momondo Fare Finder

Use the filters below to find and compare flights from South Dakota to London Heathrow Airport that are best for you.

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

£670

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

£670

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

£674

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

£682

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

18:00-12:15

1 stop12h 15m

London Heathrow

Tue 22/9

07:50-23:51

2 stops22h 01m

£683

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

18:50-06:30

2 stops29h 40m

London Heathrow

Tue 22/9

06:50-21:52

2 stops21h 02m

£700

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

18:00-10:50

1 stop10h 50m

London Heathrow

Tue 22/9

09:45-23:51

1 stop20h 06m

£707

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

10:26-09:20

2 stops15h 54m

London Heathrow

Wed 26/8

08:00-17:53

2 stops16h 53m

£718

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 21/8

06:48-06:25

2 stops16h 37m

London Heathrow

Mon 31/8

08:40-21:58

2 stops20h 18m

£770

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 21/8

06:48-07:10

2 stops17h 22m

London Heathrow

Mon 31/8

08:40-21:58

2 stops20h 18m

£771

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 Heathrow Airport

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 Heathrow Airport?

In general, March is the cheapest month to fly from South Dakota to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £444. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from South Dakota averaging around £479.

Cheap South Dakota to London Heathrow Airport flight deals and tips

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

Fastest flight time	12h 35m
Direct flights	None

The fastest flight from South Dakota to London Heathrow Airport takes 12h 35m

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

Search flight deals

Frequently asked questions about flying from South Dakota to London Heathrow Airport

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 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.

Eastbourne

Milton Keynes

Luton

Gatwick

Stratford-upon-Avon

Wembley

Slough

Maidstone

Northampton

Swindon

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Poole

Folkestone

Chelmsford

Dover

Why use momondo?

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

Finding the right flight to London from South Dakota is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. All flights to London from South Dakota on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from South Dakota and alert you when they change.