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

Airlines like United Airlines and Delta fly from South Dakota to London Heathrow Airport in about 10h 49m. The time it takes to get you to your destination can typically vary by up to 8h 46m. 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.

£245+ 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 22 August 2026.

Sun 6/1205:30 -

2 stops18h 40m

Tue 8/1206:35 -

2 stops20h 58m

Deal found 19/8£552

Mon 23/1118:40 -

1 stop11h 20m

Tue 24/1116:40 -

2 stops34h 57m

Deal found 17/8£627

Fri 4/1217:48 -

2 stops30h 52m

Mon 7/1207:30 -

2 stops18h 38m

Deal found 19/8£633

Wed 2/1211:29 -

1 stop12h 36m

Mon 7/1217:50 -

2 stops29h 05m

Deal found 19/8£643

Sun 6/1211:29 -

2 stops14h 31m

Tue 8/1220:25 -

2 stops26h 30m

Deal found 20/8£646

Wed 11/1112:14 -

1 stop16h 11m

Wed 18/1106:15 -

2 stops18h 46m

Deal found 20/8£646

Wed 30/916:31 -

1 stop10h 49m

Wed 7/1008:40 -

2 stops20h 50m

Deal found 18/8£649

Wed 23/911:22 -

2 stops17h 33m

Wed 7/1017:40 -

2 stops34h 12m

Deal found 18/8£663

Fri 18/907:00 -

1 stop21h 50m

Fri 25/907:50 -

2 stops22h 39m

Deal found 21/8£684

Sun 4/1016:28 -

1 stop14h 37m

Sun 11/1006:30 -

2 stops22h 52m

Deal found 19/8£684

Thu 1/1016:28 -

1 stop14h 37m

Thu 8/1008:40 -

2 stops20h 42m

Deal found 17/8£686

Mon 21/911:12 -

1 stop18h 43m

Mon 28/906:50 -

2 stops22h 21m

Deal found 19/8£687

Find flight deals from South Dakota to Heathrow

Round-trip from	£552
One-way from	£245
Popular in	August
Cheapest in	November
Average price	£965

United Airlines
6/12-8/12
4 total stops
39h 38m total
South Dakota to London

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American Airlines
30/11
1 total stop
16h 52m total
South Dakota to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£83 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 6/12

05:30-16:50

2 stops28h 20m

London Heathrow

Tue 8/12

14:30-20:33

2 stops37h 03m

£553

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 11/1

15:16-07:55

1 stop10h 39m

London Heathrow

Wed 13/1

06:50-23:36

2 stops22h 46m

£558

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 23/11

18:40-12:00

1 stop11h 20m

London Heathrow

Tue 24/11

16:40-21:37

2 stops34h 57m

£627

Fastest return journey

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 23/9

16:31-13:05

1 stop13h 34m

London Heathrow

Wed 7/10

06:30-15:58

2 stops16h 28m

£650

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 30/9

14:30-13:15

2 stops15h 45m

London Heathrow

Wed 7/10

06:30-15:58

2 stops16h 28m

£653

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 23/9

11:22-11:55

2 stops17h 33m

London Heathrow

Wed 7/10

17:40-20:52

2 stops34h 12m

£663

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Wed 16/9

05:30-07:15

1 stop19h 45m

London Heathrow

Wed 23/9

06:30-22:51

2 stops22h 21m

£687

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 4/10

07:50-06:30

2 stops16h 40m

London Heathrow

Sun 11/10

06:50-17:56

2 stops17h 06m

£689

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 21/9

08:23-06:25

2 stops16h 02m

London Heathrow

Mon 28/9

06:30-15:46

2 stops15h 16m

£690

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Thu 1/10

13:05-13:05

1 stop18h 00m

London Heathrow

Thu 8/10

12:25-19:32

1 stop13h 07m

£707

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 20 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.

RAP-LHR

FSD-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

RAP-LHR

FSD-LHR

How much does it cost for a return flight from South Dakota to London Heathrow Airport?

Airfare is below average for this route at the moment.

South Dakota to London Heathrow Airport flights typically cost between £633 and £707 in January.
The cheapest return price found within the last 5 days was £558 on United Airlines (11 Jan–13 Jan).

Related info for your journey

How long is the flight from South Dakota to London Heathrow Airport?
Airlines like United Airlines and Delta fly from South Dakota to London Heathrow Airport in about 10h 49m. The time it takes to get you to your destination can typically vary by up to 8h 46m. 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 £245

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 30/11. 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 22 August 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 22 August 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 22 August 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 22 August 2026.

Last-minute flights from South Dakota to HeathrowDiscover last-minute flight deals from South Dakota to Heathrow. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from South Dakota to Heathrow. Data last updated 22 August 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 22 August 2026.

Search for one-way flight options from South Dakota to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

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

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.

Cheapflights Insights

How much does it cost for a return flight from South Dakota to London Heathrow Airport?

Airfare is below average for this route at the moment.

South Dakota to London Heathrow Airport flights typically cost between £633 and £707 in January.The cheapest return price found within the last 5 days was £558 on United Airlines (11 Jan–13 Jan).

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

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

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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 22 August 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 22 August 2026.

Last-minute flights from South Dakota to Heathrow
Discover last-minute flight deals from South Dakota to Heathrow. Data last updated 22 August 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 22 August 2026.

South Dakota to London Heathrow Airport flights typically cost between £633 and £707 in January.
The cheapest return price found within the last 5 days was £558 on United Airlines (11 Jan–13 Jan).