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

For as low as £942, United Airlines can have you in South Dakota from London Heathrow Airport in 21h 07m. London Heathrow Airport and South Dakota are separated by a distance of 4157 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.

£565+ 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 17 September 2026.

Tue 27/1006:50 -

2 stops33h 41m

Tue 3/1111:12 -

1 stop15h 28m

Deal found 12/9£808

Thu 5/1107:30 -

2 stops16h 39m

Mon 9/1110:30 -

2 stops16h 45m

Deal found 16/9£819

Thu 29/1006:35 -

2 stops18h 44m

Thu 5/1110:30 -

2 stops15h 40m

Deal found 14/9£822

Fri 16/1006:50 -

2 stops34h 25m

Thu 22/1013:37 -

1 stop11h 53m

Deal found 13/9£838

Sun 1/1106:20 -

2 stops21h 07m

Sun 8/1106:34 -

2 stops20h 26m

Deal found 17/9£942

Wed 30/906:30 -

2 stops13h 36m

Sat 3/1014:56 -

2 stops23h 14m

Deal found 16/9£963

Fri 23/1006:15 -

2 stops21h 12m

Mon 26/1015:36 -

1 stop10h 29m

Deal found 15/9£1,085

Thu 29/1006:30 -

2 stops19h 57m

Thu 5/1115:36 -

2 stops16h 14m

Deal found 14/9£1,199

Mon 28/909:55 -

2 stops17h 38m

Thu 1/1014:56 -

1 stop16h 09m

Deal found 14/9£2,101

Find flight deals from Heathrow to South Dakota

Round-trip from	£808
One-way from	£565
Popular in	August
Cheapest in	January
Average price	£781

United Airlines
27/10-3/11
3 total stops
49h 09m total
London to South Dakota

Search Deals

21/10-31/12
3 total stops
37h 03m total
London to South Dakota

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£213 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease (£66 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Wed 21/10

17:00-14:43

2 stops28h 43m

Rapid City

Wed 31/12

00:00-08:00

Nonstop0h 00m

£579

LondonAberdeen

LHR London Heathrow - ABR Aberdeen

LHRABR

London Heathrow

Sun 15/11

06:30-21:06

2 stops20h 36m

Aberdeen

Wed 31/12

00:00-07:00

Nonstop0h 00m

£627

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Tue 27/10

06:50-10:31

2 stops33h 41m

Rapid City

Tue 3/11

11:12-09:40

1 stop15h 28m

£808

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

£819

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Thu 29/10

06:35-19:19

2 stops18h 44m

Rapid City

Thu 5/11

10:30-09:40

1 stop16h 10m

£822

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Tue 20/10

06:50-10:15

2 stops34h 25m

Rapid City

Tue 27/10

13:30-07:55

1 stop12h 25m

£823

LondonAberdeen

LHR London Heathrow - ABR Aberdeen

LHRABR

London Heathrow

Thu 29/10

11:45-21:27

2 stops38h 42m

Aberdeen

Wed 31/12

00:00-07:00

Nonstop0h 00m

£834

Fastest return journey

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Thu 22/10

12:55-21:56

1 stop16h 01m

Rapid City

Wed 31/12

00:00-08:00

Nonstop0h 00m

£868

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Fri 23/10

11:05-10:15

1 stop30h 10m

Rapid City

Wed 31/12

00:00-08:00

Nonstop0h 00m

£877

LondonRapid City

LHR London Heathrow - RAP Rapid City

LHRRAP

London Heathrow

Thu 22/10

14:10-10:15

3 stops27h 05m

Rapid City

Wed 31/12

00:00-08:00

Nonstop0h 00m

£878

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 17 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-RAP

LHR-ABR

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-RAP

LHR-ABR

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

10,213 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

10,213 reviews

United Airlines

7.4

Good

10,213 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

8,229 reviews

United Airlines

7.4

Good

10,213 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 £942, United Airlines can have you in South Dakota from London Heathrow Airport in 21h 07m. London Heathrow Airport and South Dakota are separated by a distance of 4157 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.

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Top 2 airlines flying from Heathrow to South Dakota

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£726	Average£1,073	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£765	Average£894	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 £565

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. 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 17 September 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 17 September 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 17 September 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 17 September 2026.

Last-minute flights from Heathrow to South DakotaDiscover last-minute flight deals from Heathrow to South Dakota. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to South Dakota. Data last updated 17 September 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 17 September 2026.

Search for one-way flight options from Heathrow to South Dakota. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from Heathrow to South Dakota

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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

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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

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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 17 September 2026.

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Heathrow to South Dakota flights

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Top 2 airlines flying 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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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 17 September 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 17 September 2026.

Last-minute flights from Heathrow to South Dakota
Discover last-minute flight deals from Heathrow to South Dakota. Data last updated 17 September 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 17 September 2026.