Find flights
When to book
FAQs

Cheap flights from South Dakota to London from £227

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from South Dakota to London

Enter your travel dates to find the best prices.

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 13 February 2026.

Wed 22/416:57
FSD
-
LHR
1 stop13h 23m
United Airlines
Wed 29/406:55
LHR
-
FSD
2 stops20h 54m
United Airlines
Deal found 10/2£476
Mon 7/913:20
FSD
-
LHR
1 stop17h 45m
Delta
Wed 16/908:40
LHR
-
FSD
2 stops16h 26m
Delta
Deal found 13/2£484
Wed 9/906:00
FSD
-
LHR
2 stops22h 00m
United Airlines
Thu 17/908:45
LHR
-
FSD
2 stops18h 53m
United Airlines
Deal found 12/2£487
Mon 16/312:00
RAP
-
LHR
2 stops17h 15m
United Airlines
Mon 23/316:20
LHR
-
RAP
2 stops26h 53m
United Airlines
Deal found 9/2£488
Mon 7/910:58
FSD
-
LHR
2 stops16h 17m
Delta
Thu 17/908:40
LHR
-
FSD
2 stops20h 06m
Delta
Deal found 12/2£488
Tue 8/913:20
FSD
-
LHR
2 stops15h 20m
Delta
Thu 17/908:55
LHR
-
FSD
2 stops19h 51m
Delta
Deal found 13/2£493
Tue 6/1006:00
FSD
-
LHR
1 stop18h 45m
United Airlines
Fri 16/1017:40
LHR
-
FSD
2 stops33h 06m
United Airlines
Deal found 10/2£494
Wed 8/418:35
FSD
-
LHR
2 stops19h 05m
Lufthansa
Sat 18/406:30
LHR
-
FSD
2 stops17h 14m
Lufthansa
Deal found 10/2£500
Tue 6/1010:58
FSD
-
LHR
1 stop20h 07m
KLM
Fri 16/1011:15
LHR
-
FSD
1 stop16h 57m
KLM
Deal found 10/2£505
Wed 12/817:48
RAP
-
LHR
1 stop11h 32m
United Airlines
Wed 26/811:25
LHR
-
RAP
1 stop14h 43m
United Airlines
Deal found 13/2£505
Mon 16/314:45
RAP
-
LHR
1 stop12h 55m
United Airlines
Sun 22/314:30
LHR
-
RAP
2 stops36h 04m
United Airlines
Deal found 9/2£530
Tue 19/512:10
RAP
-
LHR
2 stops15h 30m
United Airlines
Mon 1/606:50
LHR
-
RAP
2 stops22h 00m
United Airlines
Deal found 12/2£567

Find 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 13 February 2026.

Round-trip from

£476

One-way from

£227
United Airlines
  • United Airlines
  • 22/4-29/4
  • 3 total stops
  • 34h 17m total
  • South Dakota to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 3/7
  • 2 total stops
  • 16h 26m total
  • South Dakota to London
Search Deals

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 13 February 2026.
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

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 17/3

10:55-11:15

2 stops18h 20m

London Heathrow

Mon 23/3

16:20-13:13

2 stops26h 53m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 19/3

06:00-06:50

2 stops18h 50m

London Heathrow

Tue 24/3

16:50-10:20

2 stops23h 30m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 17/3

05:00-09:40

1 stop22h 40m

London Heathrow

Wed 25/3

09:10-20:34

2 stops17h 24m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 19/3

06:00-06:50

2 stops18h 50m

London Heathrow

Wed 25/3

16:10-10:20

2 stops24h 10m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 15/3

17:41-09:40

1 stop33h 59m

London Heathrow

Wed 25/3

07:40-18:55

2 stops17h 15m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 19/3

06:00-06:50

2 stops18h 50m

London Heathrow

Mon 23/3

16:35-10:20

2 stops23h 45m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 18/3

12:00-11:15

2 stops17h 15m

London Heathrow

Wed 25/3

07:40-21:57

2 stops20h 17m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 15/3

11:03-07:05

1 stop14h 02m

London Heathrow

Tue 24/3

16:50-15:18

2 stops28h 28m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 16/3

12:00-11:15

2 stops17h 15m

London Heathrow

Mon 23/3

16:20-13:13

2 stops26h 53m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 15/3

17:41-09:40

1 stop33h 59m

London Heathrow

Mon 23/3

16:20-13:13

2 stops26h 53m

£488

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 60 results
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from South Dakota to London (average of £442). Flying from South Dakota to London in April is currently the most expensive (average of £740). 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.

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.

  • How long is the flight from South Dakota to London?

    A quick flight from South Dakota to London can take about 13h 23m. United Airlines provides one of the quickest options available for as low as £476. There are 4189 mi between South Dakota and London. Both multi-stop and direct flights can be found to your destination and back.

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

    While some choose either Sioux Falls Joe Foss Field - London City or Rapid City - London Heathrow, Sioux Falls Joe Foss Field - London Heathrow is the most popular route 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, March is the cheapest month in which you can book a flight from South Dakota to London (average of £442). Flying from South Dakota to London in April is currently the most expensive (average of £740). 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 London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Bedford
Romford

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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Boston to Heathrow flights
John F Kennedy Intl to Gatwick flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to London City flights
San Francisco to Heathrow flights
John F Kennedy Intl to Stansted flights
Dallas/Fort Worth to Heathrow flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
LaGuardia to Gatwick flights
Boston to Gatwick flights
Miami to Heathrow flights
Atlanta to Heathrow flights
Hobby to Heathrow flights
Orlando to Heathrow flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Boston to London City flights
Los Angeles to Gatwick flights
Dulles Intl to London City flights
Denver to Heathrow flights
Newark to London City flights
Newark to Stansted flights
Boston to Stansted flights
Newark to Luton flights
George Bush Intcntl to Heathrow flights
Philadelphia to Heathrow flights
Newark to Edinburgh flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
John F Kennedy Intl to Edinburgh flights
Los Angeles to Stansted flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
Reagan-National to Gatwick flights
O'Hare Intl to London City flights
Dallas/Fort Worth to Gatwick flights
Los Angeles to London City flights
O'Hare Intl to Stansted flights
Tampa to Heathrow flights
Charlotte to Heathrow flights
San Francisco to London City flights

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 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£556Average£702FlexibilityNo 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.