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Cheap flights from South Dakota to London from £250

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
3 Aug — 10 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 4 July 2026.

Tue 1/1217:48
RAP
-
LHR
1 stop32h 52m
United Airlines
Fri 4/1209:30
LHR
-
RAP
2 stops19h 38m
United Airlines
Deal found 2/7£622
Wed 21/1015:03
FSD
-
LHR
1 stop11h 27m
United Airlines
Wed 28/1006:50
LHR
-
FSD
2 stops19h 55m
United Airlines
Deal found 2/7£654
Tue 1/1211:30
RAP
-
LHR
1 stop12h 35m
Multiple Airlines
Tue 8/1220:25
LHR
-
RAP
2 stops33h 14m
Multiple Airlines
Deal found 4/7£655
Tue 22/911:25
FSD
-
LHR
1 stop16h 15m
United Airlines
Wed 7/1006:55
LHR
-
FSD
2 stops17h 01m
United Airlines
Deal found 28/6£660
Tue 1/1214:25
RAP
-
LHR
2 stops16h 25m
KLM
Tue 8/1217:05
LHR
-
RAP
2 stops29h 41m
KLM
Deal found 4/7£661
Tue 22/913:05
FSD
-
LHR
2 stops16h 15m
Delta
Wed 7/1006:30
LHR
-
FSD
2 stops19h 13m
Delta
Deal found 28/6£663
Mon 9/1113:15
FSD
-
LHR
1 stop14h 25m
United Airlines
Mon 16/1117:30
LHR
-
FSD
2 stops32h 45m
United Airlines
Deal found 30/6£677
Mon 21/905:30
FSD
-
LHR
1 stop18h 55m
KLM
Mon 28/906:30
LHR
-
FSD
2 stops15h 16m
KLM
Deal found 30/6£692
Sat 3/1018:33
FSD
-
LHR
2 stops29h 57m
United Airlines
Sat 10/1007:25
LHR
-
FSD
2 stops16h 31m
United Airlines
Deal found 29/6£694
Tue 8/914:30
RAP
-
LHR
1 stop15h 35m
Delta
Tue 22/909:55
LHR
-
RAP
2 stops19h 23m
Delta
Deal found 1/7£699
Mon 9/1113:00
FSD
-
LCY
2 stops13h 10m
KLM
Mon 16/1108:40
LCY
-
FSD
2 stops17h 04m
KLM
Deal found 30/6£712
Tue 1/1215:21
RAP
-
LHR
1 stop11h 19m
Austrian Airlines
Tue 8/1211:35
LHR
-
RAP
1 stop17h 33m
Austrian Airlines
Deal found 4/7£713

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 4 July 2026.

Round-trip from

£622

One-way from

£250

Popular in

April

Cheapest in

November

Average price

£680
United Airlines
  • United Airlines
  • 1/12-4/12
  • 3 total stops
  • 52h 30m total
  • South Dakota to London
Search Deals
Delta
  • Delta
  • 30/11
  • 2 total stops
  • 18h 30m total
  • South Dakota to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 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 4 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

17:48-09:40

1 stop32h 52m

London Heathrow

Fri 4/12

09:30-22:08

2 stops19h 38m

£622

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 27/10

18:20-17:05

2 stops17h 45m

London Heathrow

Tue 3/11

07:40-20:15

2 stops18h 35m

£650

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/12

14:25-13:50

2 stops16h 25m

London Heathrow

Tue 8/12

17:05-15:46

2 stops29h 41m

£661

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/11

09:35-07:10

2 stops15h 35m

London Heathrow

Mon 16/11

06:50-17:34

2 stops16h 44m

£693

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 8/9

14:30-13:05

1 stop15h 35m

London Heathrow

Tue 22/9

09:55-22:18

2 stops19h 23m

£699

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

£699

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 26/8

18:39-18:40

2 stops18h 01m

London Heathrow

Wed 9/9

09:00-23:12

2 stops20h 12m

£701

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

£701

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

08:40-19:44

2 stops17h 04m

£712

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

16:28-13:05

1 stop14h 37m

London Heathrow

Tue 22/9

11:15-19:49

1 stop14h 34m

£758

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 48 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, July is the cheapest month in which you can book a flight from South Dakota to London (average of £383). Flying from South Dakota to London in June is currently the most expensive (average of £711). 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.

How much does it cost for a return flight from South Dakota to London?

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 16h 25m. United Airlines provides one of the quickest options available for as low as £661. There are 4385 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 City or Sioux Falls Joe Foss Field - London Gatwick, Sioux Falls Joe Foss Field - 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, July is the cheapest month in which you can book a flight from South Dakota to London (average of £383). Flying from South Dakota to London in June is currently the most expensive (average of £711). 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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Luton
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Gatwick
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Ilford
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Watford
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Southend-on-Sea

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Alternative routes for South Dakota to London

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Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from South Dakota to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from South Dakota to London?

Cheapflights helps you find that perfect flight to London from South Dakota by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from South Dakota to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from South Dakota to London flexibly with Cheapflights today.

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Of course! You can now track prices for flights from South Dakota to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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