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Cheap flights from South Dakota to London Heathrow Airport from £425

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Cheap flight deals from South Dakota to Heathrow

Keep the following information in mind while searching for South Dakota to Heathrow flight deals. Data was last updated 21 October 2025.

Round-trip from

£425

Popular in

January

Cheapest in

May

Average price

£756
Virgin Atlantic
  • Virgin Atlantic
  • 7/1-14/1
  • 2 total stops
  • 38h 26m total
  • South Dakota to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£141 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£50 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from South Dakota to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from South Dakota to Heathrow
Explore the most affordable flight options available from South Dakota to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Sun 7/1211:02RAP - LHR
1 stop13h 03mKLM
Sun 14/1206:30LHR - RAP
2 stops16h 15mKLM
Deal found 21/10£457
Sun 7/1206:05RAP - LHR
2 stops19h 55mDelta
Sun 14/1206:30LHR - RAP
2 stops16h 15mDelta
Deal found 21/10£467
Fri 5/1210:57FSD - LHR
1 stop14h 08mDelta
Fri 12/1208:40LHR - FSD
2 stops20h 32mDelta
Deal found 20/10£480
Fri 5/1209:00FSD - LHR
2 stops16h 10mUnited Airlines
Fri 12/1209:00LHR - FSD
2 stops18h 50mUnited Airlines
Deal found 20/10£482
Fri 5/1206:05RAP - LHR
1 stop18h 00mDelta
Fri 12/1211:05LHR - RAP
1 stop18h 41mDelta
Deal found 20/10£485
Fri 12/1213:30FSD - LHR
1 stop11h 35mKLM
Tue 23/1211:05LHR - FSD
1 stop15h 29mKLM
Deal found 19/10£485
Fri 5/1205:15RAP - LHR
2 stops18h 55mUnited Airlines
Fri 12/1214:30LHR - RAP
2 stops38h 45mUnited Airlines
Deal found 20/10£487
Sun 7/1211:00FSD - LHR
2 stops15h 45mVirgin Atlantic
Sun 14/1209:40LHR - FSD
2 stops19h 32mVirgin Atlantic
Deal found 20/10£488
Sun 7/1218:08FSD - LHR
1 stop11h 07mUnited Airlines
Sun 14/1207:40LHR - FSD
1 stop15h 53mUnited Airlines
Deal found 20/10£498
Sun 7/1205:15RAP - LHR
1 stop18h 35mAmerican Airlines
Sun 14/1208:20LHR - RAP
1 stop19h 56mAmerican Airlines
Deal found 21/10£503
Fri 12/1211:20FSD - LHR
2 stops13h 20mUnited Airlines
Tue 23/1211:35LHR - FSD
1 stop14h 25mUnited Airlines
Deal found 19/10£507
Fri 24/1013:35FSD - LHR
1 stop17h 35mKLM
Sun 26/1015:50LHR - FSD
1 stop36h 06mKLM
Deal found 20/10£527

Cheapflights Fare Finder

 
Customise your flight search to find flights from South Dakota to Heathrow 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 21 October 2025.
Use the filters below to find and compare flights from South Dakota to London Heathrow Airport that are best for you.

Fly from

South Dakota

Fly to

Heathrow

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 7/1

05:20-06:25

1 stop19h 05m

London Heathrow

Wed 14/1

08:55-22:16

1 stop19h 21m

£425

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 7/1

10:58-07:05

1 stop14h 07m

London Heathrow

Wed 14/1

08:40-19:18

2 stops16h 38m

£443

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 7/12

11:02-07:05

1 stop13h 03m

London Heathrow

Sun 14/12

06:30-15:45

2 stops16h 15m

£457

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 7/12

06:05-07:05

1 stop18h 00m

London Heathrow

Sun 14/12

06:30-15:45

2 stops16h 15m

£463

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/12

10:57-07:05

1 stop14h 08m

London Heathrow

Fri 12/12

08:40-23:12

2 stops20h 32m

£480

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/12

09:00-07:10

2 stops16h 10m

London Heathrow

Fri 12/12

09:00-21:50

2 stops18h 50m

£482

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 5/12

06:05-07:05

1 stop18h 00m

London Heathrow

Fri 12/12

11:05-22:46

1 stop18h 41m

£485

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 12/12

13:30-07:05

1 stop11h 35m

London Heathrow

Tue 23/12

11:05-20:34

1 stop15h 29m

£485

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/12

13:30-07:05

1 stop11h 35m

London Heathrow

Fri 12/12

11:05-19:40

1 stop14h 35m

£485

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 5/12

05:15-07:10

2 stops18h 55m

London Heathrow

Fri 12/12

14:30-22:15

2 stops38h 45m

£487

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 14 results
1
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Best time to book a flight from South Dakota to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

What is the cheapest month to book a flight from South Dakota to London Heathrow Airport?

Currently, September is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of £486). Flying from South Dakota to London Heathrow Airport in May is currently the most expensive (average of £840). 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 South Dakota to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Heathrow. 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 Heathrow Airport?

    Airlines like Virgin Atlantic, KLM, and Delta fly from South Dakota to London Heathrow Airport in about 14h 07m. The time it takes to get you to your destination can typically vary by up to 4h 58m. The distance from South Dakota to London Heathrow Airport is about 4189 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from South Dakota to Heathrow that include hotel bookings?

    Yes. In addition to deals on South Dakota to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Heathrow.

  • Can I find deals for business class flights from South Dakota to Heathrow?

    Yes. Cheapflights offers flight deals from South Dakota to Heathrow 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 Heathrow Airport?

    Currently, September is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of £486). Flying from South Dakota to London Heathrow Airport in May is currently the most expensive (average of £840). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Wembley
Ilford
Deal
Hayes
Colchester
Watford
Crawley
Winchester
Swindon
Chichester
Romford
Ipswich
Bedford

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Alternative routes for South Dakota to Heathrow

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Top airline flying from South Dakota to Heathrow

Discover the top airline that operate flights from South Dakota to Heathrow. 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 21 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£564Average£713FlexibilityNo 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 Heathrow?

Cheapflights helps you search for flights from South Dakota to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from South Dakota.

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

Yes, we can. To see specific flights from South Dakota to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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