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Cheap flights from South Dakota to London from £171

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 7 November 2025.

Sun 9/1105:05FSD - LHR
1 stop19h 20mVirgin Atlantic
Tue 25/1110:45LHR - FSD
2 stops18h 15mVirgin Atlantic
Deal found 5/11£441
Mon 17/1106:05RAP - LHR
1 stop18h 00mDelta
Tue 25/1106:20LHR - RAP
2 stops16h 25mDelta
Deal found 6/11£449
Tue 18/1111:07RAP - LHR
1 stop12h 58mMultiple Airlines
Tue 25/1106:20LHR - RAP
2 stops16h 25mMultiple Airlines
Deal found 5/11£450
Mon 17/1114:51RAP - LHR
1 stop33h 14mDelta
Wed 26/1108:40LHR - RAP
2 stops20h 59mDelta
Deal found 6/11£451
Tue 18/1106:05RAP - LHR
2 stops21h 45mDelta
Wed 26/1106:30LHR - RAP
2 stops23h 09mDelta
Deal found 6/11£454
Sun 9/1105:18FSD - LHR
2 stops19h 07mDelta
Tue 25/1106:20LHR - FSD
2 stops15h 19mDelta
Deal found 5/11£454
Mon 17/1106:05RAP - LHR
1 stop18h 00mDelta
Thu 27/1111:05LHR - RAP
1 stop34h 06mDelta
Deal found 6/11£455
Wed 19/1106:05RAP - LHR
2 stops17h 45mDelta
Tue 25/1111:05LHR - RAP
1 stop30h 22mDelta
Deal found 6/11£458
Mon 17/1111:07RAP - LHR
1 stop12h 58mDelta
Mon 24/1114:45LHR - RAP
2 stops32h 00mDelta
Deal found 6/11£459
Wed 19/1106:05RAP - LHR
2 stops17h 45mDelta
Mon 24/1111:05LHR - RAP
1 stop18h 34mDelta
Deal found 6/11£496
Tue 18/1113:30RAP - LCY
2 stops16h 25mMultiple Airlines
Tue 25/1118:15LCY - RAP
2 stops31h 28mMultiple Airlines
Deal found 5/11£519
Mon 17/1115:18RAP - LHR
1 stop11h 22mUnited Airlines
Mon 24/1111:35LHR - RAP
1 stop14h 08mUnited Airlines
Deal found 6/11£532

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 7 November 2025.

Round-trip from

£449

One-way from

£171

Popular in

January

Cheapest in

May

Average price

£839
Delta
  • Delta
  • 17/11-25/11
  • 3 total stops
  • 34h 25m total
  • South Dakota to London
Search Deals
American Airlines
  • American Airlines
  • 27/4
  • 1 total stop
  • 12h 20m total
  • South Dakota to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£149 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£53 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 7 November 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

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 18/11

11:07-07:05

1 stop12h 58m

London Heathrow

Tue 25/11

06:20-15:45

2 stops16h 25m

£449

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 17/11

06:05-11:40

2 stops22h 35m

London Heathrow

Tue 25/11

06:20-15:45

2 stops16h 25m

£453

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 17/11

06:05-11:40

2 stops22h 35m

London Heathrow

Wed 26/11

06:30-22:39

2 stops23h 09m

£454

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 17/11

06:05-07:05

1 stop18h 00m

London Heathrow

Thu 27/11

11:05-14:11

1 stop34h 06m

£455

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 19/11

06:05-06:50

2 stops17h 45m

London Heathrow

Thu 27/11

15:50-14:11

2 stops29h 21m

£458

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 17/11

11:07-07:05

1 stop12h 58m

London Heathrow

Mon 24/11

14:45-15:45

2 stops32h 00m

£459

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 18/11

14:51-11:40

2 stops13h 49m

London Heathrow

Mon 24/11

17:35-15:45

2 stops29h 10m

£463

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 27/4

16:20-11:15

1 stop12h 55m

London Heathrow

Thu 7/5

15:15-22:12

1 stop12h 57m

£519

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 27/4

13:33-08:05

1 stop12h 32m

London Heathrow

Wed 6/5

09:15-22:12

1 stop18h 57m

£519

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 27/4

12:30-06:50

1 stop12h 20m

London Heathrow

Wed 6/5

13:10-22:12

1 stop15h 02m

£519

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 44 results
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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, September is the cheapest month in which you can book a flight from South Dakota to London (average of £498). Flying from South Dakota to London in May is currently the most expensive (average of £862). 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 12h 32m. Delta provides one of the quickest options available for as low as £519. 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 City, 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, September is the cheapest month in which you can book a flight from South Dakota to London (average of £498). Flying from South Dakota to London in May is currently the most expensive (average of £862). 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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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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£579Average£731FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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.

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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.

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