What are the cheapest airlines to fly from South Dakota to London Heathrow Airport one-way?

To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at £622. Delta flights start at £625 while deals on KLM start at £678 one-way.

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

Currently, January is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of £112). Flying from South Dakota to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

What is the cheapest month to fly from South Dakota to London Heathrow Airport?

Our data shows that March tends to be the cheapest month to fly to London Heathrow Airport from South Dakota. Users have commonly found prices around £815 for the month, but tickets can be as low as £520. Due to multiple factors, prepare for potentially higher prices in January.

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.

£536+ Flights from South Dakota to London Heathrow Airport

Cheap flight deals from South Dakota to Heathrow

Round-trip from	£536
Popular in	January
Cheapest in	March
Average price	£751

KLM
7/10-17/10
2 total stops
36h 36m total
South Dakota to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£153 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£48 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from South Dakota to Heathrow

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 17 April 2025.

Tue 7/1010:58FSD - LHR

1 stop20h 12mKLM

Fri 17/1012:25LHR - FSD

1 stop16h 24mKLM

Deal found 16/4£536

Tue 7/1013:20FSD - LHR

2 stops18h 10mDelta

Fri 17/1020:10LHR - FSD

2 stops25h 18mDelta

Deal found 16/4£539

Tue 7/1011:19FSD - LHR

1 stop15h 01mUnited Airlines

Fri 17/1014:05LHR - FSD

2 stops26h 33mUnited Airlines

Deal found 17/4£576

Sat 11/1006:20RAP - LHR

2 stops19h 35mDelta

Tue 21/1011:45LHR - RAP

2 stops17h 25mDelta

Deal found 16/4£576

Sun 18/506:23RAP - LHR

2 stops17h 12mUnited Airlines

Wed 28/509:00LHR - RAP

2 stops20h 00mUnited Airlines

Deal found 15/4£579

Tue 7/1014:26FSD - LHR

1 stop12h 39mAmerican Airlines

Fri 17/1013:10LHR - FSD

1 stop15h 03mAmerican Airlines

Deal found 17/4£592

Wed 14/511:49RAP - LHR

1 stop12h 31mAmerican Airlines

Wed 21/508:25LHR - RAP

2 stops19h 28mAmerican Airlines

Deal found 16/4£604

Wed 14/516:25RAP - LHR

1 stop13h 45mKLM

Wed 21/512:45LHR - RAP

1 stop16h 49mKLM

Deal found 16/4£627

Fri 18/418:30FSD - LHR

2 stops16h 35mLufthansa

Mon 21/419:10LHR - FSD

2 stops33h 02mLufthansa

Deal found 16/4£851

Thu 22/510:46RAP - LHR

1 stop19h 24mMultiple Airlines

Wed 28/506:30LHR - RAP

2 stops16h 15mMultiple Airlines

Deal found 15/4£897

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 17 April 2025.

Tue 7/1010:58FSD - LHR

1 stop20h 12mKLM

Fri 17/1012:25LHR - FSD

1 stop16h 24mKLM

Deal found 16/4£536

Tue 7/1013:20FSD - LHR

2 stops18h 10mDelta

Fri 17/1020:10LHR - FSD

2 stops25h 18mDelta

Deal found 16/4£539

Tue 7/1011:19FSD - LHR

2 stops16h 41mUnited Airlines

Fri 17/1014:05LHR - FSD

2 stops26h 33mUnited Airlines

Deal found 17/4£576

Tue 7/1014:26FSD - LHR

1 stop12h 39mAmerican Airlines

Fri 17/1013:10LHR - FSD

1 stop15h 03mAmerican Airlines

Deal found 17/4£592

Thu 22/510:46RAP - LHR

1 stop19h 24mMultiple Airlines

Wed 28/506:30LHR - RAP

2 stops16h 15mMultiple Airlines

Deal found 15/4£897

Sat 7/611:20FSD - LHR

1 stop13h 00mLufthansa

Fri 13/619:10LHR - FSD

2 stops31h 58mLufthansa

Deal found 16/4£1,003

Sat 11/1006:20RAP - LHR

2 stops19h 35mDelta

Tue 21/1011:45LHR - RAP

2 stops17h 25mDelta

Deal found 16/4£576

Sun 18/506:23RAP - LHR

2 stops17h 12mUnited Airlines

Wed 28/509:00LHR - RAP

2 stops20h 00mUnited Airlines

Deal found 15/4£579

Wed 14/511:49RAP - LHR

1 stop12h 31mAmerican Airlines

Wed 21/508:25LHR - RAP

2 stops19h 28mAmerican Airlines

Deal found 16/4£604

Wed 14/516:25RAP - LHR

1 stop13h 45mKLM

Wed 21/512:45LHR - RAP

1 stop16h 49mKLM

Deal found 16/4£627

Last-minute flights from South Dakota to Heathrow
Discover last-minute flight deals from South Dakota to Heathrow. Data last updated 17 April 2025 and is based on user searches.

Fri 18/408:00FSD - LHR

1 stop18h 20mUnited Airlines

Mon 21/407:25LHR - FSD

2 stops20h 47mUnited Airlines

Deal found 16/4£789

Fri 18/405:05FSD - LHR

1 stop19h 40mKLM

Mon 21/409:20LHR - FSD

1 stop19h 56mKLM

Deal found 16/4£800

Fri 18/418:30FSD - LHR

2 stops16h 35mLufthansa

Mon 21/419:10LHR - FSD

2 stops33h 02mLufthansa

Deal found 16/4£851

Wed 14/511:49RAP - LHR

1 stop12h 31mAmerican Airlines

Wed 21/508:25LHR - RAP

2 stops19h 28mAmerican Airlines

Deal found 16/4£604

Wed 14/516:25RAP - LHR

1 stop13h 45mKLM

Wed 21/512:45LHR - RAP

1 stop16h 49mKLM

Deal found 16/4£627

Sun 18/506:23RAP - LHR

2 stops17h 12mUnited Airlines

Thu 29/507:25LHR - RAP

2 stops21h 35mUnited Airlines

Deal found 15/4£579

Tue 20/506:33RAP - LHR

2 stops19h 42mDelta

Tue 27/506:30LHR - RAP

2 stops16h 15mDelta

Deal found 15/4£803

Thu 22/510:46RAP - LHR

1 stop19h 24mMultiple Airlines

Wed 28/506:30LHR - RAP

2 stops16h 15mMultiple Airlines

Deal found 15/4£897

Mon 26/519:59FSD - LHR

1 stop11h 11mDelta

Thu 12/611:30LHR - FSD

2 stops18h 14mDelta

Deal found 16/4£749

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 17 April 2025.

Mon 9/607:23FSD - LHR

2 stops18h 27mIberia

Deal found 16/4£622

Mon 9/612:56FSD - LHR

2 stops18h 34mDelta

Deal found 17/4£625

Sat 31/512:30RAP - LHR

1 stop18h 00mKLM

Deal found 16/4£678

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

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/10

10:58-13:10

1 stop20h 12m

London Heathrow

Fri 17/10

12:25-22:49

1 stop16h 24m

£536

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/10

13:20-13:30

2 stops18h 10m

London Heathrow

Fri 17/10

20:10-15:28

2 stops25h 18m

£539

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/10

11:19-10:00

2 stops16h 41m

London Heathrow

Fri 17/10

14:05-10:38

2 stops26h 33m

£576

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 11/10

06:20-08:55

2 stops19h 35m

London Heathrow

Tue 21/10

11:45-22:10

2 stops17h 25m

£576

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 18/5

06:23-06:35

2 stops17h 12m

London Heathrow

Wed 28/5

09:00-22:00

2 stops20h 00m

£579

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/10

14:26-09:05

1 stop12h 39m

London Heathrow

Fri 17/10

13:10-22:13

1 stop15h 03m

£592

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 14/5

11:49-07:20

1 stop12h 31m

London Heathrow

Wed 21/5

08:25-20:53

2 stops19h 28m

£604

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 14/5

16:25-13:10

1 stop13h 45m

London Heathrow

Wed 21/5

12:45-22:34

1 stop16h 49m

£627

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 22/5

10:46-13:10

1 stop19h 24m

London Heathrow

Wed 28/5

06:30-15:45

2 stops16h 15m

£897

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 7/6

11:20-06:20

1 stop13h 00m

London Heathrow

Fri 13/6

19:10-21:08

2 stops31h 58m

£1,003

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 13 results

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

Rainfall in Heathrow by month

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.

Temperature in Heathrow by month

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).

Reviews of airlines servicing Heathrow

See what other customers who have flown with Delta, KLM and United Airlines from South Dakota to London 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.

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,916 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,329 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,665 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Iberia

7.0

Good

2,676 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from South Dakota to London Heathrow Airport one-way?
To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at £622. Delta flights start at £625 while deals on KLM start at £678 one-way.
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, January is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of £112). Flying from South Dakota to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Wembley

Northampton

Hayes

Crawley

Southend-on-Sea

Maidstone

Swindon

Ipswich

Southall

Ilford

Winchester

Folkestone

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from South Dakota to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£476	Average£722	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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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Cheap flights from South Dakota to London Heathrow Airport from £536

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. 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

Keep the following information in mind while searching for South Dakota to Heathrow flight deals. Data was last updated 17 April 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find 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 17 April 2025.

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 17 April 2025.

Cheapflights Fare Finder

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

Everything you need to know about your flight from South Dakota to London Heathrow Airport

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

See what other customers who have flown with Delta, KLM and United Airlines from South Dakota to London 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

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.

What are the cheapest airlines to fly from South Dakota to London Heathrow Airport one-way?

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?

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

Travelling to a place near 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 South Dakota to Heathrow

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

Top airline flying from South Dakota to Heathrow

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?

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

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 17 April 2025.