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Cheap flights from South Dakota to London from £255

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LON
13 Jun — 20 Jun1
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 14 May 2026.

Wed 12/812:19
RAP
-
LHR
1 stop15h 56m
Multiple Airlines
Wed 26/812:55
LHR
-
RAP
1 stop15h 40m
Multiple Airlines
Deal found 13/5£671
Mon 7/917:23
FSD
-
LHR
1 stop12h 52m
Iberia
Tue 15/914:45
LHR
-
FSD
1 stop15h 06m
Iberia
Deal found 12/5£671
Wed 12/812:41
RAP
-
LHR
1 stop13h 19m
American Airlines
Wed 26/810:05
LHR
-
RAP
2 stops18h 30m
American Airlines
Deal found 13/5£675
Sat 12/912:30
FSD
-
LHR
1 stop16h 20m
Iberia
Tue 22/907:50
LHR
-
FSD
2 stops22h 01m
Iberia
Deal found 11/5£683
Sat 12/909:36
FSD
-
LHR
2 stops42h 24m
United Airlines
Tue 22/906:50
LHR
-
FSD
2 stops21h 02m
United Airlines
Deal found 13/5£701
Sat 12/918:00
FSD
-
LHR
1 stop10h 50m
American Airlines
Tue 22/909:45
LHR
-
FSD
1 stop20h 06m
American Airlines
Deal found 13/5£708
Sun 18/1016:41
RAP
-
LHR
1 stop12h 54m
United Airlines
Wed 21/1011:25
LHR
-
RAP
1 stop14h 55m
United Airlines
Deal found 13/5£716
Wed 12/810:26
RAP
-
LHR
2 stops15h 54m
United Airlines
Wed 26/808:00
LHR
-
RAP
2 stops16h 53m
United Airlines
Deal found 13/5£719
Mon 19/1017:05
FSD
-
LHR
1 stop13h 20m
United Airlines
Sun 25/1006:50
LHR
-
FSD
2 stops15h 44m
United Airlines
Deal found 9/5£731
Mon 9/1109:14
FSD
-
LHR
2 stops15h 56m
United Airlines
Mon 16/1111:10
LHR
-
FSD
2 stops16h 33m
United Airlines
Deal found 12/5£734
Sat 15/815:08
FSD
-
LHR
1 stop33h 37m
United Airlines
Sat 22/806:55
LHR
-
FSD
2 stops19h 12m
United Airlines
Deal found 10/5£736
Fri 21/812:41
RAP
-
LHR
1 stop15h 14m
Multiple Airlines
Mon 31/812:55
LHR
-
RAP
1 stop15h 40m
Multiple Airlines
Deal found 10/5£745

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 14 May 2026.

Round-trip from

£671

One-way from

£255
12/8-26/8
  • 12/8-26/8
  • 2 total stops
  • 30h 54m total
  • South Dakota to London
Search Deals
Iberia
  • Iberia
  • 15/8
  • 1 total stop
  • 32h 42m total
  • South Dakota to London
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 14 May 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

Wed 12/8

12:41-10:55

1 stop15h 14m

London Heathrow

Wed 26/8

12:55-21:35

1 stop15h 40m

£671

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/9

15:23-11:15

1 stop12h 52m

London Heathrow

Fri 11/9

08:55-16:27

1 stop14h 32m

£671

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

09:36-10:00

2 stops42h 24m

London Heathrow

Tue 22/9

06:50-21:52

2 stops21h 02m

£701

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/9

08:55-07:15

2 stops15h 20m

London Heathrow

Fri 11/9

09:30-19:25

2 stops16h 55m

£719

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

£719

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 19/10

06:00-10:00

2 stops22h 00m

London Heathrow

Sun 25/10

06:50-17:34

2 stops15h 44m

£734
Fastest return journey

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 21/8

15:23-10:30

1 stop12h 07m

London Heathrow

Mon 31/8

14:25-21:35

1 stop14h 10m

£745

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 21/8

12:41-10:55

1 stop15h 14m

London Heathrow

Mon 31/8

12:55-21:35

1 stop15h 40m

£745

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

09:20-19:44

2 stops16h 24m

£753

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 21/8

10:46-13:15

2 stops19h 29m

London Heathrow

Mon 31/8

08:40-21:58

2 stops20h 18m

£772

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 57 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 £378). Flying from South Dakota to London in June is currently the most expensive (average of £702). 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 12h 52m. American Airlines provides one of the quickest options available for as low as £671. 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 £378). Flying from South Dakota to London in June is currently the most expensive (average of £702). 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?

Book flights to London if you plan to visit one of these locations
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Croydon
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Luton
Gatwick
Slough
Ilford
Hayes
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Colchester
Romford
Watford
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Southend-on-Sea
Guildford
Southall
Chelmsford

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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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