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Cheap flights from South Dakota to London from £184

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
27 Mar — 3 Apr1
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 25 February 2026.

Tue 6/1007:40
FSD
-
LHR
1 stop17h 05m
United Airlines
Fri 16/1017:40
LHR
-
FSD
2 stops33h 06m
United Airlines
Deal found 24/2£497
Wed 12/812:19
RAP
-
LHR
1 stop13h 41m
American Airlines
Wed 26/808:55
LHR
-
RAP
1 stop19h 04m
American Airlines
Deal found 24/2£508
Tue 6/1010:58
FSD
-
LHR
1 stop20h 07m
KLM
Fri 16/1011:15
LHR
-
FSD
1 stop16h 57m
KLM
Deal found 24/2£508
Wed 12/807:05
RAP
-
LHR
2 stops16h 25m
United Airlines
Wed 26/811:25
LHR
-
RAP
1 stop12h 38m
United Airlines
Deal found 24/2£511
Tue 1/911:41
RAP
-
LHR
1 stop20h 24m
Multiple Airlines
Fri 11/916:10
LHR
-
RAP
1 stop26h 43m
Multiple Airlines
Deal found 24/2£514
Wed 8/419:45
FSD
-
LHR
1 stop10h 30m
Iberia
Tue 21/406:15
LHR
-
FSD
2 stops22h 56m
Iberia
Deal found 24/2£528
Wed 25/313:38
FSD
-
LHR
1 stop15h 02m
United Airlines
Tue 31/317:50
LHR
-
FSD
2 stops33h 59m
United Airlines
Deal found 21/2£529
Sun 10/511:25
FSD
-
LHR
1 stop16h 15m
United Airlines
Thu 21/506:50
LHR
-
FSD
2 stops20h 48m
United Airlines
Deal found 23/2£531
Tue 12/509:00
FSD
-
LHR
2 stops15h 30m
United Airlines
Thu 21/506:50
LHR
-
FSD
2 stops20h 48m
United Airlines
Deal found 23/2£534
Thu 10/916:00
RAP
-
LHR
1 stop14h 05m
Virgin Atlantic
Tue 15/916:50
LHR
-
RAP
2 stops36h 08m
Virgin Atlantic
Deal found 22/2£539
Thu 10/906:00
RAP
-
LHR
1 stop21h 55m
Multiple Airlines
Tue 15/916:10
LHR
-
RAP
1 stop26h 43m
Multiple Airlines
Deal found 22/2£542
Thu 9/410:00
RAP
-
LHR
1 stop19h 20m
United Airlines
Thu 16/406:50
LHR
-
RAP
2 stops21h 46m
United Airlines
Deal found 22/2£568

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 25 February 2026.

Round-trip from

£508

One-way from

£184
American Airlines
  • American Airlines
  • 12/8-26/8
  • 2 total stops
  • 32h 45m total
  • South Dakota to London
Search Deals
United Airlines
  • United Airlines
  • 19/5
  • 2 total stops
  • 20h 40m 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 25 February 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

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

07:05-06:30

2 stops16h 25m

London Heathrow

Wed 26/8

14:50-20:33

1 stop12h 43m

£511

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 1/8

18:37-09:00

1 stop32h 23m

London Heathrow

Wed 12/8

14:50-22:56

1 stop14h 06m

£531

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 7/4

16:01-13:05

1 stop14h 04m

London Heathrow

Tue 14/4

06:30-22:20

2 stops22h 50m

£532

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 7/4

11:53-11:15

1 stop16h 22m

London Heathrow

Tue 14/4

12:55-21:58

1 stop16h 03m

£553

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 6/5

12:05-06:45

1 stop11h 40m

London Heathrow

Sun 10/5

06:50-21:41

2 stops21h 51m

£568

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 10/4

07:39-10:00

2 stops20h 21m

London Heathrow

Fri 17/4

06:55-17:44

2 stops16h 49m

£571

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 8/4

06:10-08:35

2 stops20h 25m

London Heathrow

Sat 18/4

07:30-21:49

2 stops20h 19m

£585

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 8/4

11:01-13:05

1 stop20h 04m

London Heathrow

Sat 18/4

12:25-23:02

1 stop16h 37m

£590

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 9/4

11:53-11:15

1 stop16h 22m

London Heathrow

Thu 16/4

12:55-21:58

1 stop16h 03m

£590

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 10/4

11:40-09:00

1 stop14h 20m

London Heathrow

Fri 17/4

11:25-19:02

1 stop14h 37m

£590

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Showing 1-10 of 44 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, March is the cheapest month in which you can book a flight from South Dakota to London (average of £446). Flying from South Dakota to London in June is currently the most expensive (average of £756). 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 14h 04m. United Airlines provides one of the quickest options available for as low as £532. 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, March is the cheapest month in which you can book a flight from South Dakota to London (average of £446). Flying from South Dakota to London in June is currently the most expensive (average of £756). 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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Gatwick
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Alternative routes for South Dakota to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from South Dakota to London

Discover the top airline that operate flights from South Dakota to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£561Average£709FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Can Cheapflights notify me if prices for flights from South Dakota to London become cheaper?

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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