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

United Airlines, Delta, and Scandinavian Airlines are the most popular carriers operating from South Dakota to London Heathrow

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

If you’re flying from a popular airport in South Dakota, such as Rapid City or Sioux Falls, and flying into London Heathrow Airport, then you can expect flight times to average 10h 49m and 11h 24m, respectively.

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.

£247 Cheap Flights from South Dakota to London Heathrow Airport in 2026

Find the cheapest flights from South Dakota to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:40 - 07:55FSD Sioux Falls Joe Foss Field-LHR London Heathrow

31h 15m1 stop Chicago O'Hare Intl

06:50 - 21:37LHR London Heathrow-FSD Sioux Falls Joe Foss Field

20h 47m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£557United Airlines

Sun, 15 Nov - Wed, 18 Nov

11:25 - 16:50RAP Rapid City-LHR London Heathrow

22h 25m2 stops Denver Intl Frankfurt am Main

14:30 - 19:08LHR London Heathrow-RAP Rapid City

35h 38m2 stops Vancouver Intl Denver Intl

£559United Airlines

Sun, 6 Dec - Tue, 8 Dec

17:50 - 09:40RAP Rapid City-LHR London Heathrow

32h 50m1 stop Denver Intl

06:50 - 10:31LHR London Heathrow-RAP Rapid City

34h 41m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£560United Airlines

Sun, 15 Nov - Wed, 18 Nov

17:50 - 09:40RAP Rapid City-LHR London Heathrow

32h 50m1 stop Denver Intl

06:50 - 10:31LHR London Heathrow-RAP Rapid City

34h 41m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£561United Airlines

Sun, 15 Nov - Wed, 18 Nov

17:50 - 07:10RAP Rapid City-LHR London Heathrow

30h 20m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

06:50 - 10:31LHR London Heathrow-RAP Rapid City

34h 41m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£563United Airlines

Sun, 15 Nov - Wed, 18 Nov

18:40 - 10:05FSD Sioux Falls Joe Foss Field-LHR London Heathrow

33h 25m2 stops Chicago O'Hare Intl Brussels Bruxelles-National

09:00 - 23:29LHR London Heathrow-FSD Sioux Falls Joe Foss Field

20h 29m2 stops Zurich Chicago O'Hare Intl

£566United Airlines

Sun, 15 Nov - Wed, 18 Nov

11:25 - 09:40RAP Rapid City-LHR London Heathrow

15h 15m1 stop Denver Intl

07:30 - 17:03LHR London Heathrow-RAP Rapid City

16h 33m2 stops Frankfurt am Main Denver Intl

£613United Airlines

Sun, 6 Dec - Tue, 8 Dec

11:29 - 07:05RAP Rapid City-LHR London Heathrow

12h 36m1 stop Minneapolis St Paul

06:30 - 15:55LHR London Heathrow-RAP Rapid City

16h 25m2 stops Amsterdam Schiphol Minneapolis St Paul

£649Multiple Airlines

Wed, 9 Dec - Wed, 16 Dec

16:31 - 13:05RAP Rapid City-LHR London Heathrow

13h 34m1 stop Minneapolis St Paul

08:40 - 22:30LHR London Heathrow-RAP Rapid City

20h 50m2 stops Amsterdam Schiphol Minneapolis St Paul

£651KLM

Mon, 21 Sep - Tue, 6 Oct

09:32 - 07:10FSD Sioux Falls Joe Foss Field-LHR London Heathrow

15h 38m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

06:50 - 17:58LHR London Heathrow-FSD Sioux Falls Joe Foss Field

17h 08m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£651United Airlines

Sun, 15 Nov - Wed, 18 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:12 - 06:45FSD Sioux Falls Joe Foss Field-LHR London Heathrow

13h 33m1 stop Chicago O'Hare Intl

06:50 - 17:58LHR London Heathrow-FSD Sioux Falls Joe Foss Field

17h 08m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£888United Airlines

Fri, 14 Aug - Sun, 16 Aug

11:12 - 06:45FSD Sioux Falls Joe Foss Field-LHR London Heathrow

13h 33m1 stop Chicago O'Hare Intl

11:25 - 20:07LHR London Heathrow-FSD Sioux Falls Joe Foss Field

14h 42m1 stop Denver Intl

£910United Airlines

Fri, 14 Aug - Sun, 16 Aug

07:47 - 07:55FSD Sioux Falls Joe Foss Field-LHR London Heathrow

18h 08m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

10:00 - 23:44LHR London Heathrow-FSD Sioux Falls Joe Foss Field

19h 44m2 stops Houston George Bush Intcntl Denver Intl

£913United Airlines

Fri, 14 Aug - Sun, 16 Aug

06:24 - 06:50FSD Sioux Falls Joe Foss Field-LHR London Heathrow

18h 26m1 stop Chicago O'Hare Intl

08:55 - 17:36LHR London Heathrow-FSD Sioux Falls Joe Foss Field

14h 41m1 stop Dallas/Fort Worth

£9,392British Airways

Sun, 16 Aug - Tue, 18 Aug

06:24 - 05:40FSD Sioux Falls Joe Foss Field-LHR London Heathrow

41h 16m2 stops Chicago O'Hare Intl Hong Kong Intl

07:55 - 00:30LHR London Heathrow-FSD Sioux Falls Joe Foss Field

46h 35m3 stops Milan Malpensa Hong Kong Intl Chicago O'Hare Intl

£9,610Multiple Airlines

Fri, 14 Aug - Sun, 16 Aug

18:39 - 19:40FSD Sioux Falls Joe Foss Field-LHR London Heathrow

19h 01m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

19:10 - 18:15LHR London Heathrow-FSD Sioux Falls Joe Foss Field

29h 05m2 stops Munich Franz Josef Strauss Denver Intl

£15,124Lufthansa

Sun, 16 Aug - Tue, 18 Aug

17:23 - 11:15FSD Sioux Falls Joe Foss Field-LHR London Heathrow

11h 52m1 stop Chicago O'Hare Intl

16:35 - 12:17LHR London Heathrow-FSD Sioux Falls Joe Foss Field

25h 42m2 stops Newark Dallas/Fort Worth

£15,661Multiple Airlines

Sun, 16 Aug - Tue, 18 Aug

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KLM flights from South Dakota to London Heathrow Airport

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

KLM

21 Sept

RAP16:31Rapid City

13h 34m

1 stop

LHR13:05London Heathrow

6 Oct

LHR08:40London Heathrow

20h 50m

2 stops

RAP22:30Rapid City

£651

KLM

1 Nov

FSD11:00Sioux Falls Joe Foss Field

14h 05m

1 stop

LHR07:05London Heathrow

13 Nov

LHR08:40London Heathrow

16h 30m

2 stops

FSD19:10Sioux Falls Joe Foss Field

£652

KLM

1 Nov

FSD13:00Sioux Falls Joe Foss Field

12h 05m

1 stop

LHR07:05London Heathrow

13 Nov

LHR08:55London Heathrow

17h 03m

1 stop

FSD19:58Sioux Falls Joe Foss Field

£674

Delta flights from South Dakota to London Heathrow Airport

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

Delta

9 Dec

RAP06:40Rapid City

19h 20m

2 stops

LHR09:00London Heathrow

16 Dec

LHR06:30London Heathrow

16h 25m

2 stops

RAP15:55Rapid City

£652

Delta

30 Sept

RAP16:31Rapid City

10h 49m

1 stop

LHR10:20London Heathrow

7 Oct

LHR08:40London Heathrow

20h 50m

2 stops

RAP22:30Rapid City

£656

Delta

30 Sept

RAP14:30Rapid City

15h 45m

2 stops

LHR13:15London Heathrow

7 Oct

LHR06:30London Heathrow

14h 27m

2 stops

RAP13:57Rapid City

£659

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

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 15/11

18:40-07:55

1 stop31h 15m

London Heathrow

Wed 18/11

06:50-21:37

2 stops20h 47m

£557

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 6/12

11:25-16:50

2 stops22h 25m

London Heathrow

Tue 8/12

14:30-19:08

2 stops35h 38m

£559

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 15/11

17:50-09:40

1 stop32h 50m

London Heathrow

Wed 18/11

06:50-10:31

2 stops34h 41m

£560

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 15/11

17:50-09:40

1 stop32h 50m

London Heathrow

Wed 18/11

06:50-10:31

2 stops34h 41m

£561

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 15/11

17:50-07:10

2 stops30h 20m

London Heathrow

Wed 18/11

06:50-10:31

2 stops34h 41m

£563

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 15/11

18:40-10:05

2 stops33h 25m

London Heathrow

Wed 18/11

09:00-23:29

2 stops20h 29m

£566

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 6/12

11:25-09:40

1 stop15h 15m

London Heathrow

Tue 8/12

07:30-17:03

2 stops16h 33m

£613

Fastest return journey

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 9/12

11:29-07:05

1 stop12h 36m

London Heathrow

Wed 16/12

06:30-15:55

2 stops16h 25m

£649

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Mon 21/9

16:31-13:05

1 stop13h 34m

London Heathrow

Tue 6/10

08:40-22:30

2 stops20h 50m

£651

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 15/11

09:32-07:10

2 stops15h 38m

London Heathrow

Wed 18/11

06:50-17:58

2 stops17h 08m

£651

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, November 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 £0. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from South Dakota averaging around £0.

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	11h 24m
Direct flights	None

The fastest flight from South Dakota to London Heathrow Airport takes 11h 24m

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.

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Gatwick

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Stratford-upon-Avon

Luton

Southend-on-Sea

Slough

Northampton

Ipswich

Maidstone

Swindon

Folkestone

Ilford

Hastings

Poole

Canterbury

Chichester

Hayes

Guildford

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.