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Cheap flights from South Dakota to London from £248

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
15 Aug — 22 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from South Dakota to London

Enter your travel dates to find the best prices.

Cheapest flights from South Dakota to London
Explore the most affordable flight options available from South Dakota to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 July 2026.

Mon 14/919:31
FSD
-
LGW
2 stops37h 09m
Multiple Airlines
Wed 30/914:00
LGW
-
FSD
1 stop33h 02m
Multiple Airlines
Deal found 14/7£601
Fri 18/919:31
FSD
-
LGW
2 stops32h 29m
Multiple Airlines
Wed 30/914:00
LGW
-
FSD
1 stop33h 02m
Multiple Airlines
Deal found 14/7£642
Tue 10/1112:11
FSD
-
LHR
1 stop16h 14m
Iberia
Wed 18/1106:15
LHR
-
FSD
2 stops18h 50m
Iberia
Deal found 14/7£647
Tue 1/1211:30
RAP
-
LHR
1 stop12h 35m
Multiple Airlines
Tue 8/1220:25
LHR
-
RAP
2 stops33h 14m
Multiple Airlines
Deal found 13/7£651
Tue 10/1108:15
FSD
-
LHR
1 stop16h 50m
Delta
Tue 17/1106:30
LHR
-
FSD
2 stops19h 14m
Delta
Deal found 14/7£651
Tue 10/1109:35
FSD
-
LHR
2 stops15h 35m
United Airlines
Thu 19/1111:10
LHR
-
FSD
2 stops16h 35m
United Airlines
Deal found 14/7£653
Wed 23/916:28
FSD
-
LHR
1 stop14h 37m
KLM
Wed 7/1006:30
LHR
-
FSD
2 stops15h 29m
KLM
Deal found 15/7£657
Wed 23/910:42
RAP
-
LHR
1 stop19h 23m
KLM
Fri 9/1006:30
LHR
-
RAP
2 stops14h 21m
KLM
Deal found 13/7£658
Tue 1/1206:55
RAP
-
LHR
2 stops16h 55m
Virgin Atlantic
Tue 8/1206:20
LHR
-
RAP
2 stops23h 19m
Virgin Atlantic
Deal found 13/7£659
Wed 23/907:47
FSD
-
LHR
2 stops16h 43m
United Airlines
Wed 7/1006:55
LHR
-
FSD
2 stops17h 01m
United Airlines
Deal found 15/7£660
Wed 23/910:42
RAP
-
LHR
2 stops19h 33m
Delta
Fri 9/1006:30
LHR
-
RAP
2 stops14h 21m
Delta
Deal found 13/7£661
Tue 10/1114:48
FSD
-
LCY
2 stops17h 17m
Iberia
Wed 18/1107:50
LCY
-
FSD
2 stops17h 15m
Iberia
Deal found 14/7£668

Find flight deals from South Dakota to London

Keep the following information in mind while searching for South Dakota to London flight deals. Data was last updated 16 July 2026.

Round-trip from

£601

One-way from

£248

Popular in

April

Cheapest in

November

Average price

£795
14/9-30/9
  • 14/9-30/9
  • 3 total stops
  • 70h 11m total
  • South Dakota to London
Search Deals
Delta
  • Delta
  • 30/11
  • 1 total stop
  • 19h 50m total
  • South Dakota to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from South Dakota to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 July 2026.
Use the filters below to find and compare flights from South Dakota to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/12

06:55-06:50

2 stops16h 55m

London Heathrow

Tue 8/12

06:20-22:39

2 stops23h 19m

£659

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 10/11

18:20-12:00

1 stop11h 40m

London Heathrow

Tue 17/11

10:25-21:45

1 stop17h 20m

£673
Fastest return journey

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 11/11

11:20-07:55

1 stop14h 35m

London Heathrow

Tue 17/11

10:25-17:34

1 stop13h 09m

£673

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Wed 30/9

11:00-09:30

2 stops16h 30m

London City

Wed 14/10

08:25-23:12

2 stops20h 47m

£679

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 9/8

17:23-12:15

1 stop12h 52m

London Heathrow

Tue 25/8

06:15-00:30

2 stops24h 15m

£692

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 26/8

06:00-09:40

1 stop21h 40m

London Heathrow

Wed 9/9

06:50-17:56

2 stops17h 06m

£695

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 19/8

16:30-13:05

1 stop13h 35m

London Heathrow

Wed 26/8

06:30-15:49

2 stops16h 19m

£696

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 26/8

11:05-13:05

1 stop20h 00m

London Heathrow

Wed 9/9

06:30-22:51

2 stops22h 21m

£696

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 9/8

18:28-18:40

2 stops18h 12m

London Heathrow

Tue 25/8

06:55-20:07

2 stops19h 12m

£696

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

18:41-06:30

2 stops29h 49m

London Heathrow

Tue 22/9

06:50-18:06

2 stops17h 16m

£698

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from South Dakota to London

Have a flexible travel schedule? Discover the best time to fly to London from South Dakota with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to London

What is the cheapest month to book a flight from South Dakota to London?

Currently, September is the cheapest month in which you can book a flight from South Dakota to London (average of £439). Flying from South Dakota to London in June is currently the most expensive (average of £706). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from South Dakota to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from South Dakota to London?

    A quick flight from South Dakota to London can take about 11h 40m. Virgin Atlantic provides one of the quickest options available for as low as £673. There are 4189 mi between South Dakota and London. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from South Dakota to London?

    While some choose either Sioux Falls Joe Foss Field - London Heathrow or Sioux Falls Joe Foss Field - London Gatwick, Rapid City - London Heathrow is the most popular route from South Dakota to London.

  • Can I find deals for flights from South Dakota to London that include hotel bookings?

    Yes. In addition to deals on South Dakota to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to London.

  • Can I find deals for business class flights from South Dakota to London?

    Yes. Cheapflights offers flight deals from South Dakota to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Dakota to London?

    Currently, September is the cheapest month in which you can book a flight from South Dakota to London (average of £439). Flying from South Dakota to London in June is currently the most expensive (average of £706). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

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Southall
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Borehamwood

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Fly with Cheapflights

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How does Cheapflights help users find flights from South Dakota to London?

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