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Cheap flights from South Dakota to London Heathrow Airport from £252

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
19 Jul — 26 Jul1
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 19 June 2026.

Sun 8/1118:20
FSD
-
LHR
1 stop31h 35m
United Airlines
Wed 11/1106:50
LHR
-
FSD
2 stops22h 46m
United Airlines
Deal found 14/6£567
Tue 1/1217:48
RAP
-
LHR
1 stop32h 52m
United Airlines
Fri 4/1209:30
LHR
-
RAP
2 stops19h 38m
United Airlines
Deal found 18/6£639
Sun 13/912:11
FSD
-
LHR
1 stop16h 39m
Iberia
Sun 20/906:15
LHR
-
FSD
2 stops24h 05m
Iberia
Deal found 15/6£695
Thu 29/1015:21
RAP
-
LHR
1 stop12h 19m
United Airlines
Tue 3/1111:10
LHR
-
RAP
2 stops17h 58m
United Airlines
Deal found 15/6£699
Thu 29/1016:00
RAP
-
LHR
2 stops15h 50m
KLM
Tue 3/1115:45
LHR
-
RAP
2 stops31h 01m
KLM
Deal found 18/6£705
Wed 12/805:00
RAP
-
LHR
1 stop21h 40m
United Airlines
Wed 26/810:50
LHR
-
RAP
2 stops18h 38m
United Airlines
Deal found 15/6£706
Mon 24/818:39
FSD
-
LHR
2 stops17h 46m
Lufthansa
Mon 31/820:25
LHR
-
FSD
2 stops29h 42m
Lufthansa
Deal found 15/6£707
Sat 12/918:41
FSD
-
LHR
2 stops29h 49m
United Airlines
Tue 22/906:50
LHR
-
FSD
2 stops17h 16m
United Airlines
Deal found 19/6£708
Tue 1/916:30
RAP
-
LHR
2 stops14h 15m
Multiple Airlines
Fri 11/906:30
LHR
-
RAP
2 stops14h 19m
Multiple Airlines
Deal found 17/6£711
Mon 24/811:12
FSD
-
LHR
1 stop13h 33m
United Airlines
Mon 31/816:25
LHR
-
FSD
2 stops37h 19m
United Airlines
Deal found 15/6£714
Wed 12/806:48
RAP
-
LHR
2 stops16h 57m
Delta
Wed 26/806:15
LHR
-
RAP
2 stops16h 34m
Delta
Deal found 17/6£715
Thu 29/1016:58
RAP
-
LHR
1 stop13h 02m
American Airlines
Tue 3/1113:50
LHR
-
RAP
1 stop14h 27m
American Airlines
Deal found 18/6£721

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 19 June 2026.

Round-trip from

£567

One-way from

£252

Popular in

April

Cheapest in

November

Average price

£868
United Airlines
  • United Airlines
  • 8/11-11/11
  • 3 total stops
  • 54h 21m total
  • South Dakota to London
Search Deals
United Airlines
  • United Airlines
  • 30/11
  • 1 total stop
  • 13h 55m total
  • South Dakota to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 19 June 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

£639

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

05:00-09:40

1 stop21h 40m

London Heathrow

Wed 26/8

10:50-22:28

2 stops18h 38m

£706

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

10:46-13:05

1 stop19h 19m

London Heathrow

Wed 26/8

06:30-15:49

2 stops16h 19m

£707

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

£708
Fastest return journey

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/9

10:26-09:40

1 stop16h 14m

London Heathrow

Fri 11/9

11:25-17:06

1 stop12h 41m

£728

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 8/11

09:14-05:55

2 stops14h 41m

London Heathrow

Wed 11/11

06:50-17:34

2 stops16h 44m

£731

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 21/8

08:55-09:40

1 stop17h 45m

London Heathrow

Mon 31/8

16:25-17:53

2 stops32h 28m

£751

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 18/9

10:11-06:55

2 stops13h 44m

London Heathrow

Sat 26/9

07:45-19:18

2 stops18h 33m

£761

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 21/8

16:30-13:05

1 stop13h 35m

London Heathrow

Mon 31/8

08:40-22:37

2 stops20h 57m

£782

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 25/7

18:28-06:30

2 stops30h 02m

London Heathrow

Wed 5/8

08:00-23:31

1 stop21h 31m

£805

Flights are sorted by cheapest return flights first.

Deals found on 15/6

Showing 1-10 of 23 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 and KLM fly from South Dakota to London Heathrow Airport in about 19h 19m. The time it takes to get you to your destination can typically vary by up to 13h 33m. The distance from South Dakota to London Heathrow Airport is about 4385 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
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Swindon
Eastbourne
Watford
Poole
Guildford
Romford
Ipswich

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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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Los Angeles to Stansted flights
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Los Angeles to London City flights
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San Francisco to Gatwick flights
O'Hare Intl to Gatwick flights
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O'Hare Intl to Stansted flights
San Francisco to London City flights
O'Hare Intl to London City flights
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How does Cheapflights help users find flights from South Dakota to Heathrow?

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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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