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South Dakota

$873+ Cheap flights from Heathrow (LHR) to South Dakota

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FSD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Heathrow to South Dakota

Keep the following information in mind while searching for Heathrow to South Dakota flight deals. Data was last updated September 15, 2025.

Round-trip from

$875
(United Airlines)

Popular in

August

Cheapest in

September

Average price

$976
From London Heathrow to South Dakota
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Heathrow to South Dakota

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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:35 amLHR - RAP
2 stops18h 08mUnited Airlines
Thu 11/61:30 pmRAP - LHR
1 stop33h 25mUnited Airlines
Deal found 9/15$873
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:30 amLHR - RAP
2 stops17h 13mUnited Airlines
Wed 11/51:30 pmRAP - LHR
2 stops14h 20mUnited Airlines
Deal found 9/14$875
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/274:20 pmLHR - RAP
2 stops25h 14mUnited Airlines
Mon 12/17:10 amRAP - LHR
1 stop19h 30mUnited Airlines
Deal found 9/12$905
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:05 amLHR - RAP
1 stop17h 31mDelta
Thu 11/610:33 amRAP - LHR
1 stop13h 32mDelta
Deal found 9/15$991
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:40 amLHR - RAP
2 stops18h 14mMultiple Airlines
Thu 11/69:44 pmRAP - LHR
3 stops36h 46mMultiple Airlines
Deal found 9/15$1,311
This The Travel House deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:25 pmLHR - RAP
1 stop17h 05mKLM
Thu 10/3010:33 amRAP - LHR
2 stops16h 12mKLM
Deal found 9/14$1,593
This ChecknFly deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:05 amLHR - RAP
2 stops16h 34mLufthansa
Thu 10/307:10 amRAP - LHR
2 stops18h 45mLufthansa
Deal found 9/14$1,677
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:40 amLHR - ABR
2 stops18h 51mDelta
Mon 9/222:50 pmABR - LHR
2 stops16h 40mDelta
Deal found 9/14$1,750

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to South Dakota that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to South Dakota that are best for you.

Fly from

Heathrow

Fly to

South Dakota

Route

Depart

Return

Price

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 10/30

6:35 am-6:43 pm

2 stops18h 08m

Rapid City

Thu 11/6

11:15 am-11:05 am

2 stops16h 50m

$873

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Wed 10/29

7:30 am-6:43 pm

2 stops17h 13m

Rapid City

Wed 11/5

5:15 am-9:40 am

1 stop21h 25m

$875

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 11/27

4:20 pm-10:34 am

2 stops25h 14m

Rapid City

Mon 12/1

7:10 am-9:40 am

1 stop19h 30m

$905

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 10/30

11:05 am-10:36 pm

1 stop17h 31m

Rapid City

Thu 11/6

10:33 am-7:05 am

1 stop13h 32m

$991

LondonAberdeen

LHR - ABR

LHRABR

London Heathrow

Thu 3/5

6:30 am-1:59 pm

2 stops37h 29m

Aberdeen

Mon 3/9

2:41 pm-6:20 am

2 stops34h 39m

$1,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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.
Estimated round-trip 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

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to South Dakota (average of $334). Flying from London Heathrow Airport to South Dakota in December is currently the most expensive (average of $446). 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.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from London Heathrow Airport to South Dakota will take you 18h 08m. London Heathrow Airport and South Dakota are separated by a distance of 4385 mi. This flight may include one or multiple 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 vacation 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.

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

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to South Dakota (average of $334). Flying from London Heathrow Airport to South Dakota in December is currently the most expensive (average of $446). 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

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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.
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