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Cheap flights from London to South Dakota from £546

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — RAP
6 Jun — 13 Jun1
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 7 May 2026.

Mon 8/611:25
LHR
-
RAP
1 stop12h 47m
United Airlines
Thu 18/611:20
RAP
-
LHR
1 stop15h 20m
United Airlines
Deal found 6/5£776
Mon 8/614:10
LHR
-
RAP
1 stop16h 06m
United Airlines
Wed 17/613:35
RAP
-
LHR
1 stop15h 20m
United Airlines
Deal found 6/5£794
Sat 3/1014:50
LHR
-
RAP
1 stop28h 05m
Lufthansa
Sat 10/1013:00
RAP
-
LHR
1 stop16h 25m
Lufthansa
Deal found 5/5£936
Mon 8/611:25
LHR
-
RAP
1 stop12h 47m
Lufthansa
Wed 17/605:00
RAP
-
LHR
2 stops19h 45m
Lufthansa
Deal found 6/5£991
Mon 15/609:30
LHR
-
RAP
2 stops16h 43m
Lufthansa
Thu 25/607:00
RAP
-
LHR
1 stop19h 40m
Lufthansa
Deal found 5/5£991
Wed 17/609:00
LHR
-
RAP
2 stops20h 25m
United Airlines
Wed 24/605:00
RAP
-
LHR
2 stops17h 55m
United Airlines
Deal found 3/5£1,019
Wed 3/609:30
LHR
-
RAP
2 stops16h 43m
United Airlines
Wed 10/612:31
RAP
-
LHR
1 stop17h 04m
United Airlines
Deal found 4/5£1,020
Tue 16/607:30
LHR
-
RAP
2 stops18h 43m
United Airlines
Tue 23/611:20
RAP
-
LHR
2 stops16h 05m
United Airlines
Deal found 2/5£1,022
Sat 17/1012:25
LHR
-
RAP
1 stop17h 14m
Virgin Atlantic
Sat 24/1011:30
RAP
-
LHR
2 stops36h 55m
Virgin Atlantic
Deal found 4/5£1,033
Fri 19/608:40
LHR
-
ABR
2 stops18h 49m
Delta
Fri 26/614:46
ABR
-
LHR
2 stops16h 59m
Delta
Deal found 5/5£1,106
Wed 3/617:10
LCY
-
RAP
2 stops36h 14m
KLM
Wed 10/611:07
RAP
-
LCY
2 stops13h 48m
KLM
Deal found 4/5£1,108
Sat 20/606:15
LHR
-
ABR
2 stops19h 19m
Delta
Sat 27/614:46
ABR
-
LHR
2 stops16h 59m
Delta
Deal found 6/5£1,111

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 7 May 2026.

Round-trip from

£776

One-way from

£546

Popular in

April

Cheapest in

January

Average price

£773
United Airlines
  • United Airlines
  • 8/6-18/6
  • 2 total stops
  • 28h 07m total
  • London to South Dakota
Search Deals
28/8
  • 28/8
  • 3 total stops
  • 59h 45m total
  • London to South Dakota
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. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 7 May 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

Wed 3/6

09:30-19:13

2 stops16h 43m

Rapid City

Wed 10/6

11:20-11:35

2 stops17h 15m

£1,020

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 15/6

07:30-20:33

2 stops20h 03m

Rapid City

Thu 25/6

17:53-19:40

2 stops18h 47m

£1,022

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Tue 16/6

07:30-19:13

2 stops18h 43m

Rapid City

Tue 23/6

10:21-12:25

1 stop19h 04m

£1,022

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Tue 2/6

08:40-22:24

2 stops20h 44m

Rapid City

Tue 9/6

06:47-08:50

2 stops19h 03m

£1,046
Fastest return journey

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 17/10

12:25-22:39

1 stop17h 14m

Rapid City

Sat 24/10

11:30-08:05

1 stop13h 35m

£1,058

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 30/5

07:25-21:37

2 stops21h 12m

Rapid City

Sat 6/6

05:00-07:55

2 stops19h 55m

£1,081

LondonRapid City

LCY - RAP

LCYRAP

London City

Wed 3/6

17:10-22:24

2 stops36h 14m

Rapid City

Wed 10/6

11:07-07:55

2 stops13h 48m

£1,108

LondonAberdeen

LHR - ABR

LHRABR

London Heathrow

Sat 20/6

06:15-19:34

2 stops19h 19m

Aberdeen

Sat 27/6

14:46-13:45

2 stops16h 59m

£1,111

LondonAberdeen

LCY - ABR

LCYABR

London City

Fri 19/6

09:20-21:29

2 stops18h 09m

Aberdeen

Fri 26/6

06:35-07:55

2 stops19h 20m

£1,124

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 3/8

12:25-22:37

1 stop17h 12m

Rapid City

Mon 24/8

10:46-13:05

1 stop19h 19m

£1,166

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 27 resultsSorted by cheapest first
1
2
3

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 £270). Flying from London to South Dakota in November is currently the most expensive (average of £955). 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 London to South Dakota?

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 7 May 2026.
Get a feel of what it's like to fly with United Airlines and Lufthansa 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.
United Airlines
7.4
Good
9,690 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,690 reviews
United Airlines
7.4
Good
9,690 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Lufthansa
6.8
Okay
7,975 reviews
United Airlines
7.4
Good
9,690 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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, KLM, and Delta fly from London to South Dakota in about 16h 43m. The time it takes to get you to your destination can typically vary by up to 19h 31m. 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?

    Most travelers choose London Heathrow - Rapid City, London City - Rapid City or London City - Aberdeen when deciding on the best route 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 £270). Flying from London to South Dakota in November is currently the most expensive (average of £955). 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.
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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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£640Average£876FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to South Dakota for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Not ready to book yet? You can track prices for flights from London to South Dakota on Cheapflights with our Price Alert feature and get notified when better prices are available.

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