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Cheap flights from London to South Dakota from £489

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — FSD
26 Feb — 5 Mar1
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 27 January 2026.

Wed 11/306:30
LHR
-
RAP
2 stops20h 04m
United Airlines
Wed 18/314:45
RAP
-
LHR
1 stop12h 55m
United Airlines
Deal found 25/1£704
Fri 10/417:50
LHR
-
RAP
2 stops31h 29m
United Airlines
Sun 26/408:30
RAP
-
LHR
2 stops15h 15m
United Airlines
Deal found 26/1£726
Thu 19/211:35
LHR
-
RAP
1 stop12h 32m
United Airlines
Sun 22/210:55
RAP
-
LHR
1 stop15h 45m
United Airlines
Deal found 25/1£727
Fri 10/407:05
LHR
-
RAP
3 stops22h 20m
Multiple Airlines
Sun 26/415:55
RAP
-
LHR
3 stops34h 40m
Multiple Airlines
Deal found 26/1£1,853
Wed 11/310:20
LHR
-
RAP
3 stops30h 00m
Multiple Airlines
Wed 18/306:00
RAP
-
LHR
3 stops21h 20m
Multiple Airlines
Deal found 25/1£5,187

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 27 January 2026.

Round-trip from

£704

One-way from

£489

Popular in

March

Cheapest in

September

Average price

£768
United Airlines
  • United Airlines
  • 11/3-18/3
  • 3 total stops
  • 32h 59m total
  • London to South Dakota
Search Deals
6/2
  • 6/2
  • 3 total stops
  • 56h 25m total
  • London to South Dakota
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 27 January 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

Wed 11/3

06:30-20:34

2 stops20h 04m

Rapid City

Wed 18/3

14:45-09:40

1 stop12h 55m

£704

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Fri 10/4

17:50-18:19

2 stops31h 29m

Rapid City

Sun 26/4

14:42-12:20

1 stop14h 38m

£726

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 19/2

11:35-22:16

1 stop17h 41m

Rapid City

Sun 22/2

07:00-05:55

2 stops15h 55m

£727

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 25/4

07:45-21:04

2 stops20h 19m

£593

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Fri 20/3

07:30-20:34

2 stops19h 04m

£676

LondonRapid City

LCY - RAP

LCYRAP

London City

Fri 20/3

19:20-17:05

3 stops51h 45m

£712

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Fri 20/3

19:55-17:05

3 stops51h 10m

£731

LondonAberdeen

LHR - ABR

LHRABR

London Heathrow

Sun 15/3

20:00-14:09

2 stops23h 09m

£772

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Fri 6/2

06:35-22:29

2 stops22h 54m

£844

LondonRapid City

LCY - RAP

LCYRAP

London City

Fri 6/2

17:05-15:25

2 stops29h 20m

£859

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 12 results
1
2

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 £565). Flying from London to South Dakota in July is currently the most expensive (average of £924). 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 27 January 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.
Virgin Atlantic
7.5
Good
678 reviews
Check prices

Comfort

7.3

Food

6.9

Boarding

7.7

Crew

8.2

Overall

7.5

Entertainment

7.6

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
Virgin Atlantic
7.5
Good
678 reviews
Virgin Atlantic
7.5
Good
678 reviews
Check prices

Comfort

7.3

Food

6.9

Boarding

7.7

Crew

8.2

Overall

7.5

Entertainment

7.6

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
United Airlines
7.4
Good
9,205 reviews
Virgin Atlantic
7.5
Good
678 reviews
Check prices

Comfort

7.3

Food

6.9

Boarding

7.7

Crew

8.2

Overall

7.5

Entertainment

7.6

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
Lufthansa
6.8
Okay
7,749 reviews
Virgin Atlantic
7.5
Good
678 reviews
Check prices

Comfort

7.3

Food

6.9

Boarding

7.7

Crew

8.2

Overall

7.5

Entertainment

7.6

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 fly from London to South Dakota in about 20h 04m. The time it takes to get you to your destination can typically vary by up to . The distance from London to South Dakota is about 4385 mi.

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

    Most travelers choose London Heathrow - Aberdeen, London Heathrow - 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, September is the cheapest month in which you can book a flight from London to South Dakota (average of £565). Flying from London to South Dakota in July is currently the most expensive (average of £924). 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 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 27 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£599Average£846FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£669Average£925FlexibilityNo 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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