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$362+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$601
(Delta)

One-way from

$362
(Kiwi.com)

Popular in

January

Cheapest in

May

Average price

$1,015
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
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One-way flight from South Dakota to London Heathrow
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Highest demand for flights based on searches. 18% potential increase in price ($255 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($90 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octubre 30, 2025.

This Delta deal was found by Cheapflights users on 10/30. 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. 12/15:05 amFSD - LHR
1 stop19h 20mDelta
dom. 12/78:55 amLHR - FSD
2 stops20h 19mDelta
Deal found 10/30$601
This KLM deal was found by Cheapflights users on 10/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/11:30 pmFSD - LHR
1 stop11h 35mKLM
dom. 12/712:30 pmLHR - FSD
1 stop16h 44mKLM
Deal found 10/30$624
This United Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/16:23 pmFSD - LHR
2 stops30h 47mUnited Airlines
dom. 12/78:30 amLHR - FSD
2 stops19h 21mUnited Airlines
Deal found 10/30$630
This United Airlines deal was found by Cheapflights users on 10/29. 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. 11/286:23 pmFSD - LHR
1 stop10h 52mUnited Airlines
vie. 12/56:50 amLHR - FSD
2 stops16h 43mUnited Airlines
Deal found 10/29$636
This KLM deal was found by Cheapflights users on 10/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/61:35 pmFSD - LHR
1 stop11h 30mMultiple Airlines
jue. 11/206:20 amLHR - FSD
2 stops15h 19mMultiple Airlines
Deal found 10/27$642
This Delta deal was found by Cheapflights users on 10/27. 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.
jue. 11/610:56 amFSD - LHR
2 stops18h 44mDelta
jue. 11/206:20 amLHR - FSD
2 stops15h 19mDelta
Deal found 10/27$646
This United Airlines deal was found by Cheapflights users on 10/29. 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.
jue. 12/119:00 amFSD - LHR
1 stop18h 40mUnited Airlines
vie. 3/66:30 amLHR - FSD
2 stops21h 19mUnited Airlines
Deal found 10/29$647
This KLM deal was found by Cheapflights users on 10/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/61:35 pmFSD - LHR
1 stop11h 30mKLM
jue. 11/2011:05 amLHR - FSD
1 stop14h 30mKLM
Deal found 10/27$649
This Netflights deal was found by Cheapflights users on 10/29. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/285:20 amFSD - LHR
1 stop20h 30mVirgin Atlantic
vie. 12/512:30 pmLHR - FSD
1 stop16h 44mVirgin Atlantic
Deal found 10/29$660
This United Airlines deal was found by Cheapflights users on 10/29. 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.
jue. 12/119:00 amFSD - LHR
1 stop18h 40mUnited Airlines
mié. 3/116:50 amLHR - FSD
2 stops19h 59mUnited Airlines
Deal found 10/29$683
This United Airlines deal was found by Cheapflights users on 10/29. 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.
jue. 12/113:15 pmFSD - LHR
1 stop10h 40mUnited Airlines
dom. 3/87:30 amLHR - FSD
2 stops19h 19mUnited Airlines
Deal found 10/29$696
This United Airlines deal was found by Cheapflights users on 10/29. 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.
sáb. 11/11:30 pmRAP - LHR
2 stops14h 35mUnited Airlines
dom. 11/96:50 amLHR - RAP
2 stops34h 44mUnited Airlines
Deal found 10/29$996

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 octubre 30, 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. 1/13

10:50 am-7:05 am

1 stop14h 15m

London Heathrow

mar. 3/10

6:20 am-10:58 pm

2 stops21h 38m

$599

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 1/6

10:50 am-10:50 am

2 stops18h 00m

London Heathrow

mar. 3/10

6:20 am-10:58 pm

2 stops21h 38m

$604

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lun. 1/5

5:00 am-6:20 am

2 stops19h 20m

London Heathrow

mar. 3/10

6:20 am-10:58 pm

2 stops21h 38m

$604

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

sáb. 1/17

4:17 pm-7:05 am

1 stop32h 48m

London Heathrow

mar. 3/10

11:05 am-10:58 pm

1 stop16h 53m

$607

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lun. 12/1

1:30 pm-7:05 am

1 stop11h 35m

London Heathrow

dom. 12/7

12:30 pm-11:14 pm

1 stop16h 44m

$624

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lun. 12/1

6:23 pm-7:10 am

2 stops30h 47m

London Heathrow

dom. 12/7

8:30 am-9:51 pm

2 stops19h 21m

$630

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

vie. 11/28

6:23 pm-11:15 am

1 stop10h 52m

London Heathrow

vie. 12/5

6:50 am-5:33 pm

2 stops16h 43m

$636

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

vie. 11/28

6:23 pm-11:15 am

1 stop10h 52m

London Heathrow

vie. 12/5

6:50 am-5:33 pm

2 stops16h 43m

$636

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

vie. 11/28

5:18 am-6:20 am

2 stops19h 02m

London Heathrow

vie. 12/5

8:55 am-11:14 pm

2 stops20h 19m

$646

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

jue. 12/11

11:20 am-6:40 am

2 stops13h 20m

London Heathrow

vie. 3/6

6:30 am-9:49 pm

2 stops21h 19m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 24 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 month to book a flight from South Dakota to London Heathrow Airport?

Currently, September is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of $652). Flying from South Dakota to London Heathrow Airport in May is currently the most expensive (average of $1,128). 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 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 octubre 30, 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 $599, Delta can have you in London Heathrow Airport from South Dakota in 14h 15m. The distance from South Dakota to London Heathrow Airport is about 4189 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.

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

    Currently, September is the cheapest month in which you can book a flight from South Dakota to London Heathrow Airport (average of $652). Flying from South Dakota to London Heathrow Airport in May is currently the most expensive (average of $1,128). 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

Traveling to a place near London Heathrow Airport?

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

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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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$750Average$1,024FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$950FlexibilityNo cancel feeOn-time69%

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