How long is the flight from London Heathrow Airport to South Dakota?

For as low as £817, United Airlines can have you in South Dakota from London Heathrow Airport in 16h 39m. London Heathrow Airport and South Dakota are separated by a distance of 4385 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in South Dakota ranges from 15.0 - 99.0 inches per month. June is typically the wettest month, when rainfall can reach 99.0 mm. January is typically the driest time to visit South Dakota when rainfall is around 15.0 mm.

If weather is an important factor for your trip to South Dakota, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

What is the cheapest time of day to fly from LHR to SD?

When flying from London Heathrow Airport to South Dakota, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Heathrow 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.

£486+ Cheap Flights from London Heathrow Airport to South Dakota

Cheap flight deals from Heathrow to South Dakota

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Heathrow to South Dakota
Explore the most affordable flight options available from Heathrow to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Mon 2/1107:30 -

2 stops16h 39m

Mon 9/1111:12 -

2 stops13h 43m

Deal found 5/10£817

Thu 5/1107:30 -

2 stops16h 39m

Mon 9/1110:30 -

2 stops16h 45m

Deal found 7/10£840

Sat 7/1106:35 -

2 stops19h 29m

Wed 11/1118:40 -

1 stop11h 20m

Deal found 5/10£841

Thu 19/1106:50 -

2 stops17h 04m

Thu 3/1211:12 -

2 stops15h 58m

Deal found 4/10£842

Thu 19/1113:35 -

1 stop34h 19m

Thu 3/1213:00 -

1 stop14h 40m

Deal found 4/10£852

Sat 7/1113:35 -

1 stop15h 54m

Wed 11/1118:40 -

1 stop29h 15m

Deal found 5/10£853

Tue 3/1106:40 -

3 stops22h 50m

Wed 24/206:55 -

3 stops24h 40m

Deal found 5/10£855

Fri 20/1109:00 -

2 stops18h 37m

Fri 27/1113:20 -

2 stops15h 30m

Deal found 6/10£863

Fri 20/1110:25 -

1 stop17h 12m

Fri 27/1118:40 -

1 stop11h 20m

Deal found 6/10£869

Sun 22/1111:35 -

1 stop14h 44m

Sun 29/1111:12 -

1 stop15h 28m

Deal found 8/10£894

Thu 22/1006:50 -

2 stops17h 06m

Sat 31/1018:40 -

1 stop30h 15m

Deal found 5/10£916

Thu 22/1011:25 -

1 stop14h 55m

Sat 31/1018:40 -

1 stop30h 15m

Deal found 5/10£926

Best flights from Heathrow to South Dakota
Discover carefully curated flight deals from Heathrow to South Dakota that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Tue 3/1107:30 -

2 stops16h 39m

Wed 24/214:40 -

1 stop12h 00m

Deal found 5/10£817

Wed 18/1120:10 -

2 stops30h 56m

Wed 25/1106:34 -

2 stops25h 16m

Deal found 4/10£977

Thu 15/1006:40 -

3 stops22h 42m

Sun 1/1105:30 -

2 stops28h 30m

Deal found 6/10£1,262

Mon 2/1107:30 -

2 stops16h 39m

Mon 9/1111:12 -

2 stops13h 43m

Deal found 5/10£817

Sun 22/1107:30 -

2 stops16h 39m

Sun 29/1116:00 -

1 stop34h 40m

Deal found 8/10£840

Sun 22/1106:30 -

2 stops20h 36m

Sun 29/1110:56 -

1 stop14h 09m

Deal found 8/10£1,007

Thu 5/1107:30 -

2 stops16h 39m

Mon 9/1110:30 -

2 stops16h 45m

Deal found 5/10£840

Thu 19/1107:30 -

2 stops16h 39m

Thu 26/1107:00 -

2 stops18h 25m

Deal found 5/10£842

Sun 1/1106:30 -

2 stops20h 57m

Thu 12/1106:34 -

1 stop18h 31m

Deal found 4/10£1,038

Tue 19/118:00 -

2 stops35h 37m

Mon 25/106:05 -

2 stops17h 50m

Deal found 7/10£971

Tue 3/1120:10 -

2 stops24h 17m

Tue 10/1106:34 -

1 stop18h 31m

Deal found 6/10£1,236

Thu 5/1108:40 -

2 stops31h 32m

Thu 12/1106:34 -

1 stop18h 31m

Deal found 8/10£1,341

Tue 13/1006:50 -

2 stops17h 06m

Tue 27/1018:40 -

1 stop12h 20m

Deal found 6/10£1,115

Mon 12/1006:50 -

2 stops17h 06m

Mon 26/1018:40 -

1 stop12h 20m

Deal found 4/10£1,117

Sat 14/1106:20 -

2 stops20h 46m

Sat 21/1115:36 -

2 stops14h 29m

Deal found 4/10£1,450

Thu 15/1006:50 -

2 stops17h 06m

Sun 1/1118:40 -

1 stop31h 15m

Deal found 8/10£1,146

Find flight deals from Heathrow to South Dakota

Round-trip from	£701
One-way from	£486
Popular in	August
Cheapest in	January
Average price	£1,034

19/1-25/1
4 total stops
50h 07m total
London to South Dakota

Search Deals

21/12-31/12
3 total stops
42h 31m total
London to South Dakota

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (£228 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease (£69 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSioux Falls

LHR London Heathrow - FSD Sioux Falls Joe Foss Field

LHRFSD

London Heathrow

Mon 21/12

20:45-09:16

3 stops42h 31m

Sioux Falls Joe Foss Field

Wed 31/12

00:00-07:00

Nonstop0h 00m

£486

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Sat 9/1

14:45-21:12

2 stops37h 27m

Rapid City

Wed 31/12

00:00-08:00

Nonstop0h 00m

£504

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Sat 9/1

11:35-13:06

1 stop32h 31m

Rapid City

Wed 31/12

00:00-08:00

Nonstop0h 00m

£695

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Tue 3/11

07:30-17:09

2 stops16h 39m

Rapid City

Wed 24/2

14:40-09:40

1 stop12h 00m

£817

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Mon 2/11

07:30-17:09

2 stops16h 39m

Rapid City

Mon 9/11

11:12-07:55

2 stops13h 43m

£817

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Sun 22/11

07:30-17:09

2 stops16h 39m

Rapid City

Sun 29/11

16:00-09:40

1 stop34h 40m

£840

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Thu 5/11

07:30-17:09

2 stops16h 39m

Rapid City

Mon 9/11

10:30-10:15

2 stops16h 45m

£840

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Thu 19/11

07:30-17:09

2 stops16h 39m

Rapid City

Thu 26/11

07:00-08:25

2 stops18h 25m

£842

Fastest return journey

LondonSioux Falls

LHR London Heathrow - FSD Sioux Falls Joe Foss Field

LHRFSD

London Heathrow

Mon 21/12

12:35-00:46

1 stop18h 11m

Sioux Falls Joe Foss Field

Wed 31/12

00:00-07:00

Nonstop0h 00m

£881

LondonPierre

LHR London Heathrow - PIR Pierre

LHRPIR

London Heathrow

Tue 19/1

18:00-23:37

2 stops35h 37m

Pierre

Mon 25/1

06:05-05:55

2 stops17h 50m

£971

Flights are sorted by cheapest return flights first.

Deals found on 8/10

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Heathrow to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Heathrow with our price prediction graph.

LHR-FSD

LHR-RAP

LHR-ABR

LHR-PIR

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 Heathrow Airport to South Dakota

LHR-USSD

LHR-FSD

LHR-RAP

LHR-ABR

LHR-PIR

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing South Dakota

See what other customers who have flown with United Airlines and Lufthansa from London Heathrow Airport to South Dakota have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,319 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.4

Good

10,319 reviews

United Airlines

7.4

Good

10,319 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Lufthansa

6.8

Okay

8,271 reviews

United Airlines

7.4

Good

10,319 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

How long is the flight from London Heathrow Airport to South Dakota?
For as low as £817, United Airlines can have you in South Dakota from London Heathrow Airport in 16h 39m. London Heathrow Airport and South Dakota are separated by a distance of 4385 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Heathrow to South Dakota that include hotel bookings?
Yes. In addition to deals on Heathrow to South Dakota flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to South Dakota?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to South Dakota.
Can I find deals for business class flights from Heathrow to South Dakota?
Yes. Cheapflights offers flight deals from Heathrow 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to South Dakota

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Top 2 airlines flying from Heathrow to South Dakota

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£739	Average£1,097	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£779	Average£884	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

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Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow 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 Heathrow to South Dakota with no change fees?

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

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Cheap flights from London Heathrow Airport to South Dakota from £486

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to South Dakota

Cheapest flights from Heathrow to South DakotaExplore the most affordable flight options available from Heathrow to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Explore the most affordable flight options available from Heathrow to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Best flights from Heathrow to South DakotaDiscover carefully curated flight deals from Heathrow to South Dakota that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Discover carefully curated flight deals from Heathrow to South Dakota that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Last-minute flights from Heathrow to South DakotaDiscover last-minute flight deals from Heathrow to South Dakota. Data last updated 8 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to South Dakota. Data last updated 8 October 2026 and is based on user searches.

One-way flights from Heathrow to South DakotaSearch for one-way flight options from Heathrow to South Dakota. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Search for one-way flight options from Heathrow to South Dakota. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Find flight deals from Heathrow to South Dakota

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Popular in

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to South Dakota that are best for you.

Best time to book a flight from Heathrow to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Heathrow with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing South Dakota

See what other customers who have flown with United Airlines and Lufthansa from London Heathrow Airport to South Dakota have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London Heathrow Airport to South Dakota?

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

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

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

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 Heathrow to South Dakota

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

Complete your trip

Complete your trip to South Dakota by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Heathrow to South Dakota by cabin class

Find flights from Heathrow to South Dakota, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and South Dakota flights

Browse other Heathrow and South Dakota flight options. Last updated on 8 October 2026.

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Heathrow to South Dakota flights

Consider these flights travelling from Heathrow to South Dakota.

Top 2 airlines flying from Heathrow to South Dakota

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How does Cheapflights help users find flights from Heathrow to South Dakota?

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

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

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Travel Smart

Cheapest flights from Heathrow to South Dakota
Explore the most affordable flight options available from Heathrow to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Best flights from Heathrow to South Dakota
Discover carefully curated flight deals from Heathrow to South Dakota that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Last-minute flights from Heathrow to South Dakota
Discover last-minute flight deals from Heathrow to South Dakota. Data last updated 8 October 2026 and is based on user searches.

One-way flights from Heathrow to South Dakota
Search for one-way flight options from Heathrow to South Dakota. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.