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$223+ Cheap flights from South Dakota to Heathrow (LHR)

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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap flight deals from South Dakota to Heathrow

Best flights from South Dakota to Heathrow
Discover carefully curated flight deals from South Dakota to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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.
Tue 2/171:40 pmFSD - LHR
1 stop14h 00mUnited Airlines
Tue 2/246:50 amLHR - FSD
2 stops16h 31mUnited Airlines
Deal found 12/13$621
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:54 amRAP - LHR
1 stop13h 11mDelta
Thu 2/2611:05 amLHR - RAP
1 stop18h 22mDelta
Deal found 12/12$651
This American Airlines deal was found by Cheapflights users on 12/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:36 amRAP - LHR
1 stop23h 39mAmerican Airlines
Thu 2/264:30 pmLHR - RAP
1 stop36h 49mAmerican Airlines
Deal found 12/12$651
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Fri 1/910:45 amRAP - LHR
1 stop15h 55mUnited Airlines
Thu 1/226:35 amLHR - RAP
2 stops17h 37mUnited Airlines
Deal found 12/12$623
This United Airlines deal was found by Cheapflights users on 12/12. 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 2/1912:25 pmRAP - LHR
2 stops15h 50mUnited Airlines
Thu 2/2611:10 amLHR - RAP
2 stops18h 06mUnited Airlines
Deal found 12/12$623
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Mon 1/263:11 pmFSD - LHR
1 stop32h 44mUnited Airlines
Mon 2/26:50 amLHR - FSD
2 stops21h 00mUnited Airlines
Deal found 12/12$627
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 1/2311:22 amFSD - LHR
1 stop17h 53mUnited Airlines
Tue 1/276:50 amLHR - FSD
2 stops33h 57mUnited Airlines
Deal found 12/11$627
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Fri 1/3011:22 amFSD - LHR
1 stop17h 53mUnited Airlines
Tue 2/36:50 amLHR - FSD
2 stops16h 28mUnited Airlines
Deal found 12/13$628
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 2/202:52 pmRAP - LHR
1 stop11h 48mUnited Airlines
Tue 2/243:00 pmLHR - RAP
2 stops34h 54mUnited Airlines
Deal found 12/11$633

Find 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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$621
(United Airlines)

One-way from

$223
(British Airways)

Popular in

December

Cheapest in

May

Average price

$2,825
Provider with most accurate pricing for Sioux Falls Joe Foss Field-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-London (LON) flights.
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From South Dakota to London Heathrow
Search Deals
One-way flight from South Dakota to London Heathrow
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($543 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($146 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota to Heathrow 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 December 14, 2025.
Use the filters below to find and compare flights from South Dakota to London Heathrow Airport that are best for you.

Fly from

South Dakota

Fly to

Heathrow

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 2/17

1:40 pm-9:40 am

1 stop14h 00m

London Heathrow

Tue 2/24

6:50 am-5:21 pm

2 stops16h 31m

$621

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 1/9

10:45 am-9:40 am

1 stop15h 55m

London Heathrow

Thu 1/22

6:35 am-5:12 pm

2 stops17h 37m

$623

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 2/19

12:25 pm-11:15 am

2 stops15h 50m

London Heathrow

Thu 2/26

11:10 am-10:16 pm

2 stops18h 06m

$623

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 1/26

3:11 pm-5:55 am

1 stop32h 44m

London Heathrow

Mon 2/2

6:50 am-9:50 pm

2 stops21h 00m

$627

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 1/23

11:22 am-11:15 am

1 stop17h 53m

London Heathrow

Tue 1/27

6:50 am-10:47 am

2 stops33h 57m

$627

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 1/30

11:22 am-11:15 am

1 stop17h 53m

London Heathrow

Tue 2/3

6:50 am-5:18 pm

2 stops16h 28m

$628

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 2/20

2:52 pm-9:40 am

1 stop11h 48m

London Heathrow

Tue 2/24

3:00 pm-6:54 pm

2 stops34h 54m

$633

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 2/19

10:54 am-7:05 am

1 stop13h 11m

London Heathrow

Thu 2/26

11:05 am-10:27 pm

1 stop18h 22m

$651

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 2/19

5:36 am-12:15 pm

1 stop23h 39m

London Heathrow

Thu 2/26

4:30 pm-10:19 pm

1 stop36h 49m

$651

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 4/14

12:36 pm-8:05 am

1 stop12h 29m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 17 results
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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 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 South Dakota to London Heathrow Airport

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

Find hourly flight availability from South Dakota to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 14, 2025.

One of the essential ways to save on airfare from South Dakota to London Heathrow Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 71% on airfare.

How much does it cost to fly round-trip from South Dakota to London Heathrow Airport?

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.

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

    For as low as $621, United Airlines can have you in London Heathrow Airport from South Dakota in 14h. The distance from South Dakota to London Heathrow Airport is about 4189 mi.

  • 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 vacation 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

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Alternative routes for South Dakota to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from South Dakota to Heathrow

Discover the top 2 airlines that operate flights from South Dakota to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$750Average$1,115FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$1,054FlexibilityNo cancel feeOn-time69%

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