Cheap flights from London to South Dakota from £496

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — FSD
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to South Dakota

Enter your travel dates to find the best prices.

Cheapest flights from London to South Dakota
Explore the most affordable flight options available from London to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2026.

Fri 4/906:55
LHR
-
RAP
2 stops18h 29m
United Airlines
Mon 7/913:33
RAP
-
LHR
1 stop34h 12m
United Airlines
Deal found 17/4£932
Thu 30/408:45
LHR
-
RAP
2 stops20h 01m
United Airlines
Sun 3/516:13
RAP
-
LHR
1 stop34h 27m
United Airlines
Deal found 16/4£949
Tue 9/614:50
LHR
-
RAP
1 stop25h 30m
Lufthansa
Thu 18/610:21
RAP
-
LHR
1 stop16h 19m
Lufthansa
Deal found 15/4£997
Fri 1/506:30
LHR
-
ABR
2 stops13h 39m
Delta
Sun 3/514:45
ABR
-
LHR
2 stops17h 50m
Delta
Deal found 14/4£1,000
Tue 9/607:45
LHR
-
RAP
2 stops18h 28m
Lufthansa
Fri 19/609:00
RAP
-
LHR
1 stop20h 25m
Lufthansa
Deal found 14/4£1,017
Tue 9/608:45
LHR
-
RAP
2 stops19h 52m
United Airlines
Thu 18/607:00
RAP
-
LHR
2 stops23h 20m
United Airlines
Deal found 15/4£1,019
Thu 30/409:20
LCY
-
RAP
2 stops20h 00m
Delta
Sun 3/510:58
RAP
-
LCY
2 stops15h 52m
Delta
Deal found 16/4£1,035
Mon 1/606:30
LHR
-
ABR
2 stops13h 42m
Delta
Mon 8/614:41
ABR
-
LHR
2 stops16h 34m
Delta
Deal found 17/4£1,040
Thu 28/508:45
LHR
-
RAP
2 stops19h 52m
United Airlines
Thu 4/612:35
RAP
-
LHR
2 stops15h 05m
United Airlines
Deal found 13/4£1,042
Fri 29/509:30
LHR
-
RAP
2 stops16h 43m
Lufthansa
Fri 5/605:00
RAP
-
LHR
2 stops23h 35m
Lufthansa
Deal found 14/4£1,045
Mon 1/608:25
LCY
-
ABR
2 stops19h 02m
Delta
Mon 8/614:41
ABR
-
LCY
2 stops19h 59m
Delta
Deal found 17/4£1,098
Fri 29/509:55
LHR
-
ABR
2 stops17h 32m
Delta
Fri 5/614:50
ABR
-
LHR
2 stops16h 55m
Delta
Deal found 14/4£1,103

Find flight deals from London to South Dakota

Keep the following information in mind while searching for London to South Dakota flight deals. Data was last updated 18 April 2026.

Round-trip from

£932

One-way from

£496

Popular in

April

Cheapest in

January

Average price

£1,058
United Airlines
  • United Airlines
  • 4/9-7/9
  • 3 total stops
  • 52h 41m total
  • London to South Dakota
20/5
  • 20/5
  • 3 total stops
  • 38h 24m total
  • London to South Dakota
Highest demand for flights based on searches. 6% potential increase in price (£37 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to South Dakota 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 18 April 2026.
Use the filters below to find and compare flights from London to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Fri 4/9

06:55-18:24

2 stops18h 29m

Rapid City

Mon 7/9

13:33-06:45

1 stop34h 12m

£932

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 30/4

08:45-21:46

2 stops20h 01m

Rapid City

Sun 3/5

16:13-09:40

1 stop34h 27m

£949

LondonAberdeen

LHR - ABR

LHRABR

London Heathrow

Fri 1/5

06:30-14:09

2 stops13h 39m

Aberdeen

Sun 3/5

14:45-14:35

2 stops17h 50m

£1,000

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Tue 9/6

07:45-19:13

2 stops18h 28m

Rapid City

Fri 19/6

09:00-12:25

1 stop20h 25m

£1,017

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Tue 9/6

08:45-21:37

2 stops19h 52m

Rapid City

Thu 18/6

07:00-13:20

2 stops23h 20m

£1,019

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Tue 9/6

09:30-19:13

2 stops16h 43m

Rapid City

Thu 18/6

17:53-07:55

2 stops31h 02m

£1,025

LondonRapid City

LCY - RAP

LCYRAP

London City

Thu 30/4

09:20-22:20

2 stops20h 00m

Rapid City

Sun 3/5

10:58-09:50

2 stops15h 52m

£1,035

LondonAberdeen

LHR - ABR

LHRABR

London Heathrow

Mon 1/6

06:30-14:12

2 stops13h 42m

Aberdeen

Mon 8/6

14:41-13:15

2 stops16h 34m

£1,040

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 28/5

08:45-21:37

2 stops19h 52m

Rapid City

Thu 4/6

13:35-08:30

1 stop11h 55m

£1,042

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Fri 29/5

09:30-19:13

2 stops16h 43m

Rapid City

Fri 5/6

05:00-11:35

2 stops23h 35m

£1,045

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from London to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from London 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 London to South Dakota

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

Currently, July is the cheapest month in which you can book a flight from London to South Dakota (average of £271). Flying from London to South Dakota in November is currently the most expensive (average of £960). 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.

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Dakota. Reviews last updated 18 April 2026.
Get a feel of what it's like to fly with Virgin Atlantic,United Airlines, andLufthansa from London to South Dakota by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Comfort

7.3

Entertainment

7.5

Food

6.9

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Crew

8.1

Comfort

7.3

Entertainment

7.5

Food

6.9

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Crew

8.1

Comfort

7.3

Entertainment

7.5

Food

6.9

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Crew

8.1

Comfort

7.3

Entertainment

7.5

Food

6.9

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Related info for your journey

Find useful and relevant information for your journey from London to South Dakota. 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 London to South Dakota?

    Airlines like United Airlines, Delta, and KLM fly from London to South Dakota in about 13h 39m. The time it takes to get you to your destination can typically vary by up to 4h 50m. The distance from London to South Dakota is about 4157 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to South Dakota 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 London to South Dakota?

    Currently, July is the cheapest month in which you can book a flight from London to South Dakota (average of £271). Flying from London to South Dakota in November is currently the most expensive (average of £960). 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

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Alternative routes for London to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from London to South Dakota

Discover the top airline that operate flights from London to South Dakota. 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 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£696Average£1,006FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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