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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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
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 diciembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
mar. 2/175:00 pmFSD - LHR
1 stop34h 40mUnited Airlines
mar. 2/246:50 amLHR - FSD
2 stops16h 31mUnited Airlines
Deal found 12/15$621
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/123:11 pmFSD - LHR
1 stop10h 44mLufthansa
lun. 1/195:50 pmLHR - FSD
2 stops29h 28mLufthansa
Deal found 12/15$639
This Delta deal was found by Cheapflights users on 12/15. 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.
lun. 1/1210:54 amRAP - LHR
2 stops14h 51mDelta
dom. 1/253:00 pmLHR - RAP
2 stops31h 25mDelta
Deal found 12/15$640
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/122:08 pmRAP - LHR
1 stop12h 52mAmerican Airlines
dom. 1/254:30 pmLHR - RAP
1 stop28h 04mAmerican Airlines
Deal found 12/15$649
This United Airlines deal was found by Cheapflights users on 12/15. 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.
vie. 1/3011:22 amFSD - LHR
1 stop17h 53mUnited Airlines
mar. 2/36:50 amLHR - FSD
2 stops16h 28mUnited Airlines
Deal found 12/15$628
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/126:00 amRAP - LHR
1 stop21h 00mAmerican Airlines
lun. 1/1910:05 amLHR - RAP
1 stop18h 10mAmerican Airlines
Deal found 12/15$657
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.
vie. 2/202:52 pmRAP - LHR
1 stop11h 48mUnited Airlines
mar. 2/242:30 pmLHR - RAP
2 stops35h 24mUnited Airlines
Deal found 12/13$634

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 diciembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$597
(Cheapflightsfares)

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 diciembre 16, 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

mar. 2/17

5:00 pm-9:40 am

1 stop34h 40m

London Heathrow

mar. 2/24

6:50 am-5:21 pm

2 stops16h 31m

$621

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

vie. 1/30

11:22 am-11:15 am

1 stop17h 53m

London Heathrow

mar. 2/3

6:50 am-5:18 pm

2 stops16h 28m

$628

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

vie. 2/20

2:52 pm-9:40 am

1 stop11h 48m

London Heathrow

mar. 2/24

2:30 pm-6:54 pm

2 stops35h 24m

$634

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lun. 1/12

3:11 pm-7:55 am

1 stop10h 44m

London Heathrow

lun. 1/19

5:50 pm-5:18 pm

2 stops29h 28m

$639

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

lun. 1/12

10:54 am-8:45 am

2 stops14h 51m

London Heathrow

dom. 1/25

3:00 pm-3:25 pm

2 stops31h 25m

$640

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

lun. 1/12

2:08 pm-10:00 am

1 stop12h 52m

London Heathrow

dom. 1/25

4:30 pm-1:34 pm

1 stop28h 04m

$649

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

lun. 1/12

6:00 am-10:00 am

1 stop21h 00m

London Heathrow

lun. 1/19

10:05 am-9:15 pm

1 stop18h 10m

$657

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

mié. 4/15

11:46 am-6:50 am

1 stop12h 04m

$223

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lun. 4/20

12:30 pm-7:20 am

1 stop12h 50m

$224

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lun. 4/20

4:20 pm-5:15 pm

2 stops18h 55m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 21 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 diciembre 16, 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 $640, United Airlines can have you in London Heathrow Airport from South Dakota in 14h 51m. The distance from South Dakota to London Heathrow Airport is about 4385 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$750Average$1,115FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$1,054FlexibilityNo cancel feeOn-time69%

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