Find flights
When to book
Airlines
FAQs

Cheap flights from South Dakota to London from £462

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
17 Jul — 24 Jul1
1 adult

Cheap 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 12 July 2025.

Round-trip from

£462

Popular in

January

Cheapest in

March

Average price

£732
KLM
  • KLM
  • 9/9-24/9
  • 3 total stops
  • 31h 35m total
  • South Dakota to London
Highest demand for flights based on searches. 19% potential increase in price (£145 potential increase over avg. return price).
Cheapest flight prices on average. 8% potential price decrease (£47 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from South Dakota to London

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 12 July 2025.

Tue 9/912:56FSD - LHR
1 stop18h 14mKLM
Wed 24/906:30LHR - FSD
2 stops13h 21mKLM
Deal found 11/7£462
Sat 11/1010:40RAP - LHR
1 stop19h 30mKLM
Tue 21/1009:55LHR - RAP
2 stops19h 15mKLM
Deal found 10/7£499
Mon 6/1015:12FSD - LHR
1 stop11h 08mUnited Airlines
Tue 14/1014:05LHR - FSD
2 stops30h 32mUnited Airlines
Deal found 10/7£539
Sat 11/1017:50RAP - LHR
1 stop32h 50mUnited Airlines
Tue 21/1014:05LHR - RAP
2 stops27h 08mUnited Airlines
Deal found 12/7£543
Tue 30/905:30FSD - LHR
2 stops18h 50mDelta
Wed 8/1006:15LHR - FSD
2 stops18h 57mDelta
Deal found 12/7£553
Tue 9/918:11FSD - LCY
2 stops16h 14mLufthansa
Wed 24/908:45LCY - FSD
2 stops17h 45mLufthansa
Deal found 11/7£595
Mon 15/918:00FSD - LHR
1 stop11h 05mMultiple Airlines
Mon 29/911:05LHR - FSD
1 stop12h 24mMultiple Airlines
Deal found 11/7£623
Sun 27/718:38FSD - LGW
1 stop33h 22mMultiple Airlines
Mon 4/814:00LGW - FSD
1 stop25h 08mMultiple Airlines
Deal found 11/7£639
Tue 9/912:19FSD - LGW
2 stops16h 31mIberia
Wed 24/920:40LGW - FSD
2 stops33h 21mIberia
Deal found 11/7£640
Sat 6/918:11FSD - LHR
2 stops15h 29mLufthansa
Fri 12/920:25LHR - FSD
2 stops30h 04mLufthansa
Deal found 12/7£643
Sat 11/1016:35RAP - LCY
2 stops13h 40mKLM
Tue 21/1010:00LCY - RAP
2 stops19h 10mKLM
Deal found 10/7£660
Tue 26/812:50RAP - LCY
2 stops21h 40mMultiple Airlines
Tue 2/909:05LCY - RAP
2 stops18h 53mMultiple Airlines
Deal found 12/7£712

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 12 July 2025.
Use the filters below to find and compare flights from South Dakota to London that are best for you.

Fly from

South Dakota

Fly to

London

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 9/9

12:56-13:10

1 stop18h 14m

London Heathrow

Wed 24/9

06:30-13:51

2 stops13h 21m

£462

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 11/10

10:40-13:10

1 stop19h 30m

London Heathrow

Tue 21/10

09:55-22:10

2 stops19h 15m

£499

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 6/10

15:12-08:20

1 stop11h 08m

London Heathrow

Tue 14/10

14:05-14:37

2 stops30h 32m

£539

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 11/10

17:50-09:40

1 stop32h 50m

London Heathrow

Tue 21/10

14:05-10:13

2 stops27h 08m

£543

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 30/9

05:30-06:20

2 stops18h 50m

London Heathrow

Wed 8/10

06:15-19:12

2 stops18h 57m

£553

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Tue 9/9

18:11-16:25

2 stops16h 14m

London City

Wed 24/9

08:45-20:30

2 stops17h 45m

£595

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 15/9

18:00-11:05

1 stop11h 05m

London Heathrow

Mon 29/9

11:05-17:29

1 stop12h 24m

£623

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Sun 27/7

18:38-10:00

1 stop33h 22m

London Gatwick

Mon 4/8

14:00-09:08

1 stop25h 08m

£639

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Tue 9/9

12:19-10:50

2 stops16h 31m

London Gatwick

Wed 24/9

20:40-00:01

2 stops33h 21m

£640

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 6/9

18:11-15:40

2 stops15h 29m

London Heathrow

Fri 12/9

20:25-20:29

2 stops30h 04m

£643

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 17 results
1
2

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, January is the cheapest month in which you can book a flight from South Dakota to London (average of £112). Flying from South Dakota to London in August is currently the most expensive (average of £164). 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 12 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andUnited Airlines from South Dakota to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
  • What are the most popular routes 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, January is the cheapest month in which you can book a flight from South Dakota to London (average of £112). Flying from South Dakota to London in August is currently the most expensive (average of £164). 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 South Dakota?

Book flights to South Dakota if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Maidstone
Guildford
Chichester

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Dakota to London

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

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 12 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£467Average£708FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.