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Cheap flights from South Dakota to London Heathrow Airport from £251

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
2 Aug — 9 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from South Dakota to Heathrow

Enter your travel dates to find the best prices.

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 3 July 2026.

Tue 1/1217:48
RAP
-
LHR
1 stop32h 52m
United Airlines
Fri 4/1209:30
LHR
-
RAP
2 stops19h 38m
United Airlines
Deal found 29/6£623
Wed 21/1015:03
FSD
-
LHR
1 stop11h 27m
United Airlines
Wed 28/1006:50
LHR
-
FSD
2 stops19h 55m
United Airlines
Deal found 2/7£656
Tue 22/911:25
FSD
-
LHR
1 stop16h 15m
United Airlines
Wed 7/1006:55
LHR
-
FSD
2 stops17h 01m
United Airlines
Deal found 28/6£662
Tue 22/913:05
FSD
-
LHR
2 stops16h 15m
Delta
Wed 7/1006:30
LHR
-
FSD
2 stops19h 13m
Delta
Deal found 28/6£665
Mon 9/1113:15
FSD
-
LHR
1 stop14h 25m
United Airlines
Mon 16/1117:30
LHR
-
FSD
2 stops32h 45m
United Airlines
Deal found 30/6£678
Mon 21/905:30
FSD
-
LHR
1 stop18h 55m
KLM
Mon 28/906:30
LHR
-
FSD
2 stops15h 16m
KLM
Deal found 30/6£693
Sat 3/1018:33
FSD
-
LHR
2 stops29h 57m
United Airlines
Sat 10/1007:25
LHR
-
FSD
2 stops16h 31m
United Airlines
Deal found 29/6£695
Tue 8/914:30
RAP
-
LHR
1 stop15h 35m
Delta
Tue 22/909:55
LHR
-
RAP
2 stops19h 23m
Delta
Deal found 1/7£701
Tue 8/912:20
RAP
-
LHR
1 stop11h 30m
American Airlines
Tue 22/912:55
LHR
-
RAP
1 stop15h 28m
American Airlines
Deal found 1/7£722
Fri 21/810:46
RAP
-
LHR
1 stop19h 19m
Delta
Tue 1/906:30
LHR
-
RAP
2 stops23h 07m
Delta
Deal found 2/7£738
Fri 21/815:21
RAP
-
LHR
1 stop12h 54m
American Airlines
Tue 1/908:55
LHR
-
RAP
1 stop19h 40m
American Airlines
Deal found 2/7£760
Fri 21/816:30
RAP
-
LHR
1 stop13h 35m
Delta
Mon 31/808:40
LHR
-
RAP
2 stops20h 57m
Delta
Deal found 29/6£775

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 3 July 2026.

Round-trip from

£623

One-way from

£251

Popular in

April

Cheapest in

November

Average price

£682
United Airlines
  • United Airlines
  • 1/12-4/12
  • 3 total stops
  • 52h 30m total
  • South Dakota to London
Search Deals
Delta
  • Delta
  • 30/11
  • 2 total stops
  • 18h 30m total
  • South Dakota to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 3 July 2026.
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

Cheapest return flight

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/12

17:48-09:40

1 stop32h 52m

London Heathrow

Fri 4/12

09:30-22:08

2 stops19h 38m

£623

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 23/9

13:33-09:40

1 stop14h 07m

London Heathrow

Wed 7/10

06:50-23:11

2 stops22h 21m

£662

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 21/9

05:30-06:25

1 stop18h 55m

London Heathrow

Mon 28/9

06:30-15:46

2 stops15h 16m

£693

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/11

09:35-07:10

2 stops15h 35m

London Heathrow

Mon 16/11

06:50-17:34

2 stops16h 44m

£695

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 23/8

16:28-13:05

1 stop14h 37m

London Heathrow

Thu 10/9

08:40-19:43

2 stops17h 03m

£700

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 25/8

05:30-07:15

1 stop19h 45m

London Heathrow

Tue 8/9

08:40-19:43

2 stops17h 03m

£700

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 8/9

14:30-13:05

1 stop15h 35m

London Heathrow

Tue 22/9

09:55-22:18

2 stops19h 23m

£701

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

18:41-06:30

2 stops29h 49m

London Heathrow

Tue 22/9

06:50-18:06

2 stops17h 16m

£703

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 23/8

16:28-13:05

1 stop14h 37m

London Heathrow

Tue 8/9

12:25-22:51

1 stop16h 26m

£722
Fastest return journey

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 23/8

18:39-11:55

1 stop11h 16m

London Heathrow

Wed 9/9

11:25-23:44

1 stop18h 19m

£722

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 24 resultsSorted by cheapest first
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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 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
No data available for this route at this time. Please check back soon.

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?

    Airlines like United Airlines, KLM, and Delta fly from South Dakota to London Heathrow Airport in about 14h 37m. The time it takes to get you to your destination can typically vary by up to 18h 15m. The distance from South Dakota to London Heathrow Airport is about 4189 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Swindon
Eastbourne
Poole
Southall
Aylesbury
Romford

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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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Boston to London City flights
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Boston to Stansted flights
Los Angeles to Stansted flights
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San Francisco to Gatwick flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Gatwick flights
Sky Harbor Intl to Heathrow flights
San Francisco to Stansted flights
Minneapolis to Heathrow flights
Los Angeles to London City flights
O'Hare Intl to Stansted flights
San Francisco to London City flights
Seattle to Gatwick flights
O'Hare Intl to London City flights

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?

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.

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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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