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 United Airlines, which is currently one of the cheapest options available, starting at £445. KLM flights start at £636 while deals on Delta start at £640 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 £861 for the month, but tickets can be as low as £533. 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.

£445+ Flights from South Dakota to London Heathrow Airport

Cheap flight deals from South Dakota to Heathrow

Round-trip from	£632
One-way from	£445
Popular in	January
Cheapest in	March
Average price	£533

Iberia
25/4-5/5
3 total stops
45h 43m total
South Dakota to London

Search Deals

United Airlines
7/4
3 total stops
20h 40m total
South Dakota to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£149 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£49 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 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 28 March 2025.

Sat 11/1017:48RAP - LHR

1 stop32h 52mUnited Airlines

Tue 21/1017:40LHR - RAP

2 stops33h 53mUnited Airlines

Deal found 28/3£596

Sat 11/1016:34RAP - LHR

1 stop14h 51mAmerican Airlines

Tue 21/1008:50LHR - RAP

2 stops18h 32mAmerican Airlines

Deal found 27/3£620

Fri 25/416:05FSD - LHR

1 stop12h 25mIberia

Mon 5/519:25LHR - FSD

2 stops33h 18mIberia

Deal found 27/3£632

Wed 1/1006:20RAP - LHR

2 stops17h 25mDelta

Thu 30/1016:35LHR - RAP

2 stops26h 57mDelta

Deal found 27/3£639

Tue 20/511:40FSD - LHR

2 stops36h 50mUnited Airlines

Tue 3/614:05LHR - FSD

2 stops30h 30mUnited Airlines

Deal found 27/3£658

Fri 25/410:52FSD - LHR

1 stop20h 18mKLM

Mon 5/513:05LHR - FSD

1 stop16h 11mKLM

Deal found 27/3£682

Wed 16/405:00FSD - LHR

2 stops19h 45mDelta

Sun 27/406:30LHR - FSD

2 stops23h 50mDelta

Deal found 27/3£772

Wed 16/412:16FSD - LHR

1 stop14h 54mMultiple Airlines

Sun 27/411:05LHR - FSD

1 stop17h 35mMultiple Airlines

Deal found 27/3£779

Tue 20/516:10FSD - LHR

1 stop12h 20mAmerican Airlines

Tue 3/611:05LHR - FSD

1 stop17h 38mAmerican Airlines

Deal found 27/3£780

Fri 4/411:45RAP - LHR

1 stop18h 25mKLM

Sat 12/412:25LHR - RAP

1 stop17h 04mKLM

Deal found 27/3£817

Fri 3/1014:20RAP - LHR

1 stop15h 50mMultiple Airlines

Thu 30/1011:00LHR - RAP

2 stops16h 56mMultiple Airlines

Deal found 27/3£833

Sat 7/614:05FSD - LHR

1 stop16h 15mLufthansa

Fri 13/619:30LHR - FSD

2 stops32h 22mLufthansa

Deal found 27/3£1,100

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 28 March 2025.

Fri 25/416:05FSD - LHR

1 stop12h 25mIberia

Mon 5/519:25LHR - FSD

2 stops33h 18mIberia

Deal found 27/3£632

Tue 20/511:40FSD - LHR

2 stops36h 50mUnited Airlines

Tue 3/614:05LHR - FSD

2 stops30h 30mUnited Airlines

Deal found 27/3£658

Fri 25/410:52FSD - LHR

1 stop20h 18mKLM

Mon 5/513:05LHR - FSD

1 stop16h 11mKLM

Deal found 27/3£682

Wed 16/405:00FSD - LHR

2 stops19h 45mDelta

Sun 27/406:30LHR - FSD

2 stops23h 50mDelta

Deal found 27/3£772

Wed 16/412:16FSD - LHR

1 stop14h 54mMultiple Airlines

Sun 27/411:05LHR - FSD

1 stop17h 35mMultiple Airlines

Deal found 27/3£779

Wed 21/511:49RAP - LHR

1 stop12h 01mAmerican Airlines

Wed 28/508:20LHR - RAP

1 stop19h 33mAmerican Airlines

Deal found 28/3£780

Sat 7/614:05FSD - LHR

1 stop16h 15mLufthansa

Fri 13/619:30LHR - FSD

2 stops32h 22mLufthansa

Deal found 27/3£1,100

Mon 19/511:33RAP - LHR

1 stop15h 07mUnited Airlines

Wed 28/507:25LHR - RAP

2 stops21h 35mUnited Airlines

Deal found 28/3£664

Sat 17/516:25RAP - LHR

1 stop13h 45mKLM

Wed 28/512:45LHR - RAP

1 stop16h 49mKLM

Deal found 27/3£722

Tue 20/516:10FSD - LHR

1 stop12h 20mAmerican Airlines

Tue 3/611:05LHR - FSD

1 stop17h 38mAmerican Airlines

Deal found 27/3£780

Fri 23/516:25RAP - LHR

2 stops55h 20mDelta

Tue 3/606:30LHR - RAP

2 stops23h 04mDelta

Deal found 28/3£834

Wed 21/510:46RAP - LHR

2 stops13h 54mMultiple Airlines

Tue 27/512:25LHR - RAP

1 stop17h 09mMultiple Airlines

Deal found 28/3£912

Last-minute flights from South Dakota to Heathrow
Discover last-minute flight deals from South Dakota to Heathrow. Data last updated 28 March 2025 and is based on user searches.

Fri 4/412:59RAP - LHR

1 stop12h 21mUnited Airlines

Sat 12/409:30LHR - RAP

2 stops32h 22mUnited Airlines

Deal found 27/3£799

Fri 4/411:45RAP - LHR

1 stop18h 25mKLM

Sat 12/412:25LHR - RAP

1 stop17h 04mKLM

Deal found 27/3£817

Fri 4/406:00RAP - LHR

2 stops24h 30mDelta

Sat 12/415:15LHR - RAP

2 stops31h 20mDelta

Deal found 27/3£821

Fri 4/412:26RAP - LHR

1 stop18h 59mAmerican Airlines

Sat 12/416:25LHR - RAP

1 stop26h 31mAmerican Airlines

Deal found 26/3£823

Wed 16/405:00FSD - LHR

2 stops19h 45mDelta

Sun 27/406:30LHR - FSD

2 stops23h 50mDelta

Deal found 27/3£772

Wed 16/412:16FSD - LHR

1 stop14h 54mMultiple Airlines

Sun 27/411:05LHR - FSD

1 stop17h 35mMultiple Airlines

Deal found 27/3£779

Fri 25/416:05FSD - LHR

1 stop12h 25mIberia

Mon 5/519:25LHR - FSD

2 stops33h 18mIberia

Deal found 27/3£632

Fri 25/408:00FSD - LHR

2 stops16h 45mUnited Airlines

Mon 5/509:30LHR - FSD

2 stops31h 09mUnited Airlines

Deal found 27/3£668

Fri 25/410:52FSD - LHR

1 stop20h 18mKLM

Mon 5/513:05LHR - FSD

1 stop16h 11mKLM

Deal found 27/3£682

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 28 March 2025.

Mon 7/408:00FSD - LHR

3 stops20h 40mUnited Airlines

Deal found 27/3£445

Mon 30/617:21RAP - LHR

3 stops35h 34mMultiple Airlines

Deal found 27/3£515

Mon 30/611:36RAP - LHR

1 stop18h 34mKLM

Deal found 27/3£636

Mon 9/606:00FSD - LHR

2 stops18h 45mDelta

Deal found 28/3£640

Sat 31/516:35RAP - LHR

2 stops21h 05mUnited Airlines

Deal found 28/3£645

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

Fri 25/4

16:05-10:30

1 stop12h 25m

London Heathrow

Mon 5/5

19:25-22:43

2 stops33h 18m

£632

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 20/5

11:40-06:30

2 stops36h 50m

London Heathrow

Tue 3/6

14:05-14:35

2 stops30h 30m

£658

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 19/5

11:33-09:40

1 stop15h 07m

London Heathrow

Wed 28/5

07:25-22:00

2 stops21h 35m

£664

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 25/4

10:52-13:10

1 stop20h 18m

London Heathrow

Mon 5/5

13:05-23:16

1 stop16h 11m

£682

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 17/5

16:25-13:10

1 stop13h 45m

London Heathrow

Wed 28/5

12:45-22:34

1 stop16h 49m

£722

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 16/4

05:00-06:45

2 stops19h 45m

London Heathrow

Sun 27/4

06:30-00:20

2 stops23h 50m

£772

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 16/4

12:16-09:10

1 stop14h 54m

London Heathrow

Sun 27/4

11:05-22:40

1 stop17h 35m

£779

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 21/5

11:49-06:50

1 stop12h 01m

London Heathrow

Wed 28/5

08:20-20:53

1 stop19h 33m

£780

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 20/5

16:10-10:30

1 stop12h 20m

London Heathrow

Tue 3/6

11:05-22:43

1 stop17h 38m

£780

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 23/5

16:25-06:45

2 stops55h 20m

London Heathrow

Wed 4/6

06:30-22:34

2 stops23h 04m

£834

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 17 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

7,896 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

7,896 reviews

Delta

8.0

Very Good

7,896 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

1,321 reviews

Delta

8.0

Very Good

7,896 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

8,603 reviews

Delta

8.0

Very Good

7,896 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

7,896 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

2,651 reviews

Delta

8.0

Very Good

7,896 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 United Airlines, which is currently one of the cheapest options available, starting at £445. KLM flights start at £636 while deals on Delta start at £640 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

Croydon

Luton

Slough

Eastbourne

Wembley

Northampton

Swindon

Hayes

Ilford

Crawley

Southend-on-Sea

Winchester

Maidstone

Ipswich

Watford

Southall

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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 £445

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 7/4. 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 28 March 2025.

Round-trip from

One-way 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 28 March 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 28 March 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.

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 28 March 2025.