Cheap flights from London to South Dakota from £561

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — FSD
25 Mar — 1 Apr1
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 23 February 2026.

Wed 29/410:50
LHR
-
RAP
2 stops18h 38m
United Airlines
Sun 3/516:13
RAP
-
LHR
1 stop34h 27m
United Airlines
Deal found 20/2£818
Mon 9/307:40
LHR
-
RAP
2 stops17h 15m
United Airlines
Mon 16/312:00
RAP
-
LHR
1 stop15h 40m
United Airlines
Deal found 19/2£823
Mon 23/318:00
LHR
-
RAP
2 stops25h 13m
Lufthansa
Mon 30/307:00
RAP
-
LHR
2 stops16h 45m
Lufthansa
Deal found 21/2£841
Wed 8/412:00
LHR
-
RAP
2 stops16h 36m
Lufthansa
Wed 15/408:30
RAP
-
LHR
2 stops15h 15m
Lufthansa
Deal found 22/2£923
Wed 8/407:25
LHR
-
RAP
2 stops17h 35m
United Airlines
Wed 15/410:55
RAP
-
LHR
1 stop15h 45m
United Airlines
Deal found 22/2£931
Wed 29/409:20
LCY
-
RAP
2 stops20h 00m
Delta
Sun 3/506:00
RAP
-
LCY
2 stops19h 50m
Delta
Deal found 20/2£934
Mon 6/417:50
LHR
-
RAP
2 stops34h 46m
United Airlines
Mon 13/416:15
RAP
-
LHR
1 stop34h 25m
United Airlines
Deal found 20/2£951
Thu 4/612:15
LHR
-
RAP
2 stops17h 10m
Lufthansa
Fri 19/617:53
RAP
-
LHR
1 stop32h 47m
Lufthansa
Deal found 22/2£980
Mon 29/606:30
LHR
-
ABR
2 stops13h 29m
Delta
Wed 1/706:34
ABR
-
LHR
2 stops26h 01m
Delta
Deal found 22/2£1,002
Wed 8/409:20
LCY
-
RAP
2 stops20h 05m
KLM
Wed 15/410:58
RAP
-
LCY
2 stops13h 57m
KLM
Deal found 22/2£1,008
Mon 27/706:30
LHR
-
ABR
2 stops21h 10m
Delta
Wed 29/714:41
ABR
-
LHR
2 stops33h 39m
Delta
Deal found 21/2£1,178
Mon 6/406:30
LHR
-
ABR
2 stops21h 04m
Delta
Mon 13/414:45
ABR
-
LHR
1 stop16h 20m
Delta
Deal found 20/2£1,198

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 23 February 2026.

Round-trip from

£818

One-way from

£561

Popular in

March

Cheapest in

September

Average price

£733
United Airlines
  • United Airlines
  • 29/4-3/5
  • 3 total stops
  • 53h 05m total
  • London to South Dakota
United Airlines
  • United Airlines
  • 11/5
  • 2 total stops
  • 18h 45m total
  • London to South Dakota
Highest demand for flights based on searches. 2% potential increase in price (£16 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in February 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 23 February 2026.
Use the filters below to find and compare flights from London to South Dakota that are best for you.

Fly from

London

Fly to

South Dakota

Route

Depart

Return

Price

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 9/3

07:40-18:55

2 stops17h 15m

Rapid City

Mon 16/3

12:00-11:15

2 stops17h 15m

£823

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Wed 29/4

10:50-22:28

2 stops18h 38m

Rapid City

Sun 3/5

07:00-07:15

2 stops17h 15m

£840

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 23/3

18:00-13:13

2 stops25h 13m

Rapid City

Mon 30/3

07:00-06:45

2 stops16h 45m

£841

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Wed 8/4

07:25-18:00

2 stops17h 35m

Rapid City

Wed 15/4

10:55-11:35

2 stops17h 40m

£931

LondonRapid City

LCY - RAP

LCYRAP

London City

Wed 29/4

09:20-22:20

2 stops20h 00m

Rapid City

Sun 3/5

06:00-08:50

2 stops19h 50m

£934

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 6/4

17:50-21:36

2 stops34h 46m

Rapid City

Mon 13/4

16:15-09:40

1 stop34h 25m

£951

LondonAberdeen

LHR - ABR

LHRABR

London Heathrow

Mon 29/6

06:30-13:59

2 stops13h 29m

Aberdeen

Wed 1/7

06:34-14:35

2 stops26h 01m

£1,002

LondonRapid City

LCY - RAP

LCYRAP

London City

Wed 8/4

09:20-22:25

2 stops20h 05m

Rapid City

Wed 15/4

10:58-07:55

2 stops13h 57m

£1,008

LondonAberdeen

LHR - ABR

LHRABR

London Heathrow

Mon 27/7

06:30-21:40

2 stops21h 10m

Aberdeen

Wed 29/7

14:41-06:20

2 stops33h 39m

£1,178

LondonAberdeen

LHR - ABR

LHRABR

London Heathrow

Mon 6/4

08:40-21:34

2 stops18h 54m

Aberdeen

Mon 13/4

14:45-13:15

2 stops16h 30m

£1,198

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 27 results
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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, September is the cheapest month in which you can book a flight from London to South Dakota (average of £573). Flying from London to South Dakota in December is currently the most expensive (average of £906). 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 23 February 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.

Boarding

7.7

Food

6.9

Entertainment

7.6

Overall

7.5

Crew

8.2

Comfort

7.3

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

Boarding

7.7

Food

6.9

Entertainment

7.6

Overall

7.5

Crew

8.2

Comfort

7.3

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

Boarding

7.7

Food

6.9

Entertainment

7.6

Overall

7.5

Crew

8.2

Comfort

7.3

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

Boarding

7.7

Food

6.9

Entertainment

7.6

Overall

7.5

Crew

8.2

Comfort

7.3

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, Lufthansa, and Delta fly from London to South Dakota in about 17h 15m. The time it takes to get you to your destination can typically vary by up to 7h 58m. The distance from London to South Dakota is about 4385 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, September is the cheapest month in which you can book a flight from London to South Dakota (average of £573). Flying from London to South Dakota in December is currently the most expensive (average of £906). 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 2 airlines flying from London to South Dakota

Discover the top 2 airlines 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 23 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£566Average£858FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£699Average£1,010FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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