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

Airlines like United Airlines, American Airlines, and KLM fly from South Dakota to London Heathrow Airport in about 12h 36m. The time it takes to get you to your destination can typically vary by up to 18h 39m. The distance from South Dakota to London Heathrow Airport is about 4385 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

When flying from South Dakota to London Heathrow Airport, 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 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.

£390+ Cheap Flights from South Dakota to London Heathrow Airport

Cheap flight deals from South Dakota to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 2 October 2026.

Mon 2/1106:39 -

2 stops17h 41m

Tue 17/1106:30 -

2 stops23h 11m

Deal found 30/9£659

Wed 2/1212:14 -

1 stop16h 11m

Wed 9/1207:35 -

2 stops17h 29m

Deal found 28/9£665

Sun 1/1118:40 -

1 stop31h 15m

Wed 18/1109:00 -

2 stops18h 37m

Deal found 30/9£670

Mon 26/1007:48 -

1 stop19h 07m

Mon 2/1116:40 -

2 stops34h 57m

Deal found 28/9£675

Mon 2/1111:12 -

1 stop15h 28m

Tue 17/1111:35 -

1 stop14h 44m

Deal found 30/9£681

Wed 2/1215:19 -

1 stop11h 16m

Wed 9/1210:05 -

1 stop16h 52m

Deal found 28/9£689

Thu 12/1115:27 -

1 stop12h 58m

Thu 19/1106:15 -

2 stops18h 55m

Deal found 28/9£697

Sat 14/1117:00 -

1 stop32h 05m

Sat 21/1116:25 -

2 stops33h 31m

Deal found 30/9£698

Thu 12/1106:11 -

1 stop20h 49m

Thu 19/1108:25 -

2 stops20h 09m

Deal found 28/9£699

Fri 13/1115:26 -

1 stop11h 09m

Fri 20/1107:30 -

2 stops17h 36m

Deal found 29/9£702

Sun 15/1115:26 -

1 stop12h 59m

Sun 22/1107:30 -

2 stops17h 36m

Deal found 1/10£703

Wed 4/1111:29 -

1 stop12h 36m

Sun 8/1120:25 -

2 stops26h 29m

Deal found 27/9£705

Best flights from South Dakota to Heathrow
Discover carefully curated flight deals from South Dakota to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 October 2026.

Sun 1/1118:40 -

1 stop31h 15m

Wed 18/1109:00 -

2 stops18h 37m

Deal found 30/9£670

Thu 12/1106:11 -

1 stop20h 49m

Thu 19/1108:25 -

2 stops20h 09m

Deal found 28/9£699

Wed 4/1111:29 -

1 stop12h 36m

Sun 8/1120:25 -

2 stops26h 29m

Deal found 27/9£705

Wed 4/1111:29 -

2 stops17h 11m

Sun 8/1108:40 -

2 stops20h 50m

Deal found 27/9£709

Wed 24/312:11 -

1 stop13h 44m

Mon 29/312:55 -

1 stop14h 04m

Deal found 30/9£731

Tue 29/1209:00 -

1 stop18h 40m

Thu 7/118:00 -

2 stops32h 46m

Deal found 29/9£693

Fri 13/1106:45 -

1 stop17h 20m

Fri 20/1106:20 -

2 stops16h 34m

Deal found 28/9£711

Fri 13/1106:11 -

1 stop17h 39m

Fri 20/1108:20 -

1 stop20h 14m

Deal found 28/9£727

Sat 28/1105:25 -

1 stop20h 25m

Sat 5/1208:55 -

1 stop17h 13m

Deal found 28/9£764

Wed 24/307:40 -

2 stops18h 30m

Mon 29/307:25 -

2 stops22h 11m

Deal found 30/9£710

Sat 28/1108:31 -

2 stops15h 54m

Sat 5/1206:30 -

2 stops19h 38m

Deal found 27/9£746

Fri 13/1113:30 -

1 stop15h 30m

Fri 20/1107:30 -

2 stops16h 39m

Deal found 28/9£713

Sat 28/1118:40 -

2 stops30h 30m

Sat 5/1216:40 -

2 stops35h 32m

Deal found 28/9£715

Mon 26/1008:30 -

2 stops19h 30m

Mon 2/1106:30 -

2 stops19h 25m

Deal found 29/9£867

Sat 14/1117:50 -

2 stops20h 30m

Sat 21/1117:30 -

2 stops30h 39m

Deal found 30/9£732

Wed 14/1009:42 -

1 stop20h 53m

Mon 19/1017:55 -

2 stops30h 01m

Deal found 1/10£835

Mon 28/1215:11 -

1 stop14h 49m

Wed 6/110:25 -

1 stop17h 58m

Deal found 29/9£927

Find flight deals from South Dakota to Heathrow

Round-trip from	£659
One-way from	£390
Popular in	August
Cheapest in	November
Average price	£624

Delta
2/11-17/11
4 total stops
40h 52m total
South Dakota to London

Search Deals

11/12-31/12
3 total stops
31h 40m total
South Dakota to London

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£99 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£19 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 South Dakota to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 30/11

13:00-07:05

1 stop12h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£400

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 19/10

12:07-09:05

1 stop14h 58m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 30/11

09:32-07:55

2 stops16h 23m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 19/10

11:15-09:20

2 stops16h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 18/10

07:50-05:55

2 stops16h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/12

17:07-09:40

1 stop34h 33m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£431

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Fri 11/12

05:16-06:25

1 stop19h 09m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£438

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 1/11

18:40-07:55

1 stop31h 15m

London Heathrow

Wed 18/11

09:00-21:37

2 stops18h 37m

£670

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Tue 29/12

09:00-09:40

1 stop18h 40m

London Heathrow

Thu 7/1

18:00-20:46

2 stops32h 46m

£693

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Thu 12/11

06:11-10:00

1 stop20h 49m

London Heathrow

Thu 19/11

08:25-21:34

2 stops20h 09m

£699

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Showing 1-10 of 27 resultsSorted by cheapest first

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.

FSD-LHR

RAP-LHR

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

USSD-LHR

FSD-LHR

RAP-LHR

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

Related info for your journey

How long is the flight from South Dakota to London Heathrow Airport?
Airlines like United Airlines, American Airlines, and KLM fly from South Dakota to London Heathrow Airport in about 12h 36m. The time it takes to get you to your destination can typically vary by up to 18h 39m. The distance from South Dakota to London Heathrow Airport is about 4385 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.

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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.

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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.

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Cheap flights from South Dakota to London Heathrow Airport from £390

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from South Dakota to Heathrow

Cheapest flights from South Dakota to HeathrowExplore 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 2 October 2026.

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 2 October 2026.

Best flights from South Dakota to HeathrowDiscover carefully curated flight deals from South Dakota to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 October 2026.

Discover carefully curated flight deals from South Dakota to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 October 2026.

Last-minute flights from South Dakota to HeathrowDiscover last-minute flight deals from South Dakota to Heathrow. Data last updated 2 October 2026 and is based on user searches.

Discover last-minute flight deals from South Dakota to Heathrow. Data last updated 2 October 2026 and is based on user searches.

One-way flights from South Dakota to HeathrowSearch for one-way flight options from South Dakota to Heathrow. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.

Search for one-way flight options from South Dakota to Heathrow. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.

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Related info for your journey

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

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

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

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Dakota to Heathrow

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Complete your trip

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Search flights from South Dakota to Heathrow by cabin class

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Other flights to Heathrow

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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 2 October 2026.

Best flights from South Dakota to Heathrow
Discover carefully curated flight deals from South Dakota to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 October 2026.

Last-minute flights from South Dakota to Heathrow
Discover last-minute flight deals from South Dakota to Heathrow. Data last updated 2 October 2026 and is based on user searches.

One-way flights from South Dakota to Heathrow
Search for one-way flight options from South Dakota to Heathrow. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.