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Cheap flights from South Dakota to London Heathrow Airport from £172

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

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 6 November 2025.

Round-trip from

£451

One-way from

£172

Popular in

January

Cheapest in

May

Average price

£842
Delta
  • Delta
  • 17/11-25/11
  • 3 total stops
  • 34h 25m total
  • South Dakota to London
Search Deals
American Airlines
  • American Airlines
  • 27/4
  • 1 total stop
  • 16h 00m total
  • South Dakota to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£150 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£53 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 6 November 2025.

Sun 9/1105:05FSD - LHR
1 stop19h 20mVirgin Atlantic
Tue 25/1110:45LHR - FSD
2 stops18h 15mVirgin Atlantic
Deal found 5/11£443
Sun 9/1105:18FSD - LHR
2 stops19h 07mDelta
Tue 25/1106:20LHR - FSD
2 stops15h 19mDelta
Deal found 5/11£456
Fri 5/1206:00FSD - LHR
2 stops19h 10mUnited Airlines
Mon 8/1206:50LHR - FSD
2 stops33h 55mUnited Airlines
Deal found 3/11£474
Thu 4/1205:05FSD - LHR
1 stop19h 20mDelta
Sun 7/1208:55LHR - FSD
2 stops20h 19mDelta
Deal found 3/11£479
Thu 4/1209:00FSD - LHR
2 stops16h 10mUnited Airlines
Sun 7/1208:30LHR - FSD
2 stops19h 21mUnited Airlines
Deal found 3/11£483
Fri 7/1105:30FSD - LHR
1 stop20h 20mKLM
Fri 14/1110:45LHR - FSD
1 stop18h 24mKLM
Deal found 4/11£496
Fri 7/1113:35FSD - LHR
2 stops15h 50mVirgin Atlantic
Fri 14/1112:30LHR - FSD
2 stops16h 30mVirgin Atlantic
Deal found 4/11£499
Mon 24/1106:00FSD - LHR
2 stops19h 10mUnited Airlines
Tue 25/1113:30LHR - FSD
2 stops36h 53mUnited Airlines
Deal found 4/11£583
Mon 24/1111:17FSD - LHR
1 stop12h 38mLufthansa
Tue 25/1119:30LHR - FSD
2 stops30h 53mLufthansa
Deal found 4/11£629
Sat 20/1214:20RAP - LHR
1 stop12h 40mAmerican Airlines
Sat 27/1208:20LHR - RAP
1 stop20h 00mAmerican Airlines
Deal found 5/11£1,348
Sat 20/1207:00RAP - LHR
2 stops20h 25mUnited Airlines
Sat 27/1207:40LHR - RAP
2 stops21h 19mUnited Airlines
Deal found 5/11£1,351

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 6 November 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 10/2

05:00-07:05

1 stop20h 05m

London Heathrow

Thu 19/2

09:00-23:12

2 stops20h 12m

£458

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/12

18:08-11:15

1 stop11h 07m

London Heathrow

Mon 8/12

06:50-10:45

2 stops33h 55m

£474

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 5/2

11:22-05:55

1 stop12h 33m

London Heathrow

Sun 8/2

06:50-21:50

2 stops21h 00m

£480

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 4/12

09:00-07:10

2 stops16h 10m

London Heathrow

Sun 7/12

08:30-21:51

2 stops19h 21m

£483

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 5/2

11:02-07:05

1 stop14h 03m

London Heathrow

Thu 12/2

08:55-23:12

1 stop20h 17m

£483

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 5/2

13:02-13:50

2 stops18h 48m

London Heathrow

Thu 12/2

06:20-15:37

2 stops15h 17m

£485

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/12

05:05-07:50

1 stop20h 45m

London Heathrow

Mon 8/12

12:30-23:14

1 stop16h 44m

£496

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 4/12

11:00-07:05

1 stop14h 05m

London Heathrow

Sun 7/12

08:55-23:14

1 stop20h 19m

£496

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 26/2

10:50-07:05

1 stop14h 15m

London Heathrow

Sun 1/3

06:20-22:56

2 stops22h 36m

£516

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 26/2

05:08-09:00

1 stop21h 52m

London Heathrow

Sun 1/3

08:55-23:12

1 stop20h 17m

£522

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 20 results
1
2

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

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 £500). Flying from South Dakota to London Heathrow Airport in May is currently the most expensive (average of £865). 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.

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 Delta and United Airlines fly from South Dakota to London Heathrow Airport in about 11h 07m. The time it takes to get you to your destination can typically vary by up to 8h 58m. 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.

  • 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 £500). Flying from South Dakota to London Heathrow Airport in May is currently the most expensive (average of £865). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
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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Top airline flying from South Dakota to Heathrow

Discover the top airline 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 858,174 searches. Data last updated 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£581Average£734FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.

Can Cheapflights notify me if prices for flights from South Dakota to Heathrow become cheaper?

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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