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Cheap flights from Sioux Falls to London Heathrow Airport from £171

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
13 12月 — 20 12月1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Sioux Falls to Heathrow

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Cheapest flights from Sioux Falls to Heathrow
Explore the most affordable flight options available from Sioux Falls to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 11月 2025.

週五 28/1110:58FSD - LHR
1 stop14h 07mMultiple Airlines
週三 3/1206:20LHR - FSD
2 stops15h 25mMultiple Airlines
Deal found 10/11£487
週五 28/1110:58FSD - LHR
1 stop14h 07mKLM
週三 3/1208:55LHR - FSD
1 stop20h 19mKLM
Deal found 10/11£492
週五 28/1108:00FSD - LHR
2 stops17h 10mUnited Airlines
週三 3/1211:10LHR - FSD
2 stops16h 41mUnited Airlines
Deal found 10/11£507
週五 14/1111:17FSD - LHR
2 stops16h 03mUnited Airlines
週四 20/1106:35LHR - FSD
2 stops21h 11mUnited Airlines
Deal found 12/11£508
週日 14/1205:14FSD - LHR
1 stop19h 51mDelta
週四 25/1208:40LHR - FSD
2 stops20h 28mDelta
Deal found 12/11£518
週五 14/1105:05FSD - LHR
1 stop21h 55mKLM
週日 16/1110:45LHR - FSD
1 stop18h 24mKLM
Deal found 10/11£530
週五 14/1105:05FSD - LHR
1 stop21h 55mDelta
週五 21/1111:05LHR - FSD
1 stop14h 30mDelta
Deal found 12/11£531
週五 14/1110:58FSD - LHR
2 stops14h 52mVirgin Atlantic
週日 16/1108:55LHR - FSD
1 stop20h 14mVirgin Atlantic
Deal found 10/11£533
週六 13/1217:21FSD - LHR
1 stop34h 19mUnited Airlines
週四 25/1213:25LHR - FSD
2 stops16h 30mUnited Airlines
Deal found 12/11£543
週五 14/1108:00FSD - LHR
1 stop15h 55mUnited Airlines
週一 17/1106:50LHR - FSD
2 stops20h 56mUnited Airlines
Deal found 12/11£547

Cheap flight deals from Sioux Falls to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 11月 2025.

Round-trip from

£487

One-way from

£171

Popular in

June

Cheapest in

August

Average price

£602
Air France
  • Air France
  • 28/11-3/12
  • 3 total stops
  • 29h 32m total
  • Sioux Falls to London
Search Deals
6/5
  • 6/5
  • 1 total stop
  • 10h 45m total
  • Sioux Falls to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£214 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sioux Falls 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 13 11月 2025.
Use the filters below to find and compare flights from Sioux Falls to London Heathrow Airport that are best for you.

Fly from

Sioux Falls

Fly to

Heathrow

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週五 28/11

10:58-07:05

1 stop14h 07m

London Heathrow

週三 3/12

06:20-15:45

2 stops15h 25m

£487

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週五 28/11

10:58-07:05

1 stop14h 07m

London Heathrow

週三 3/12

08:55-23:14

1 stop20h 19m

£492

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週三 6/5

12:30-09:05

1 stop14h 35m

London Heathrow

週二 19/5

08:20-16:50

1 stop14h 30m

£519

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週一 27/4

16:20-09:05

1 stop10h 45m

London Heathrow

週三 6/5

13:00-20:59

1 stop13h 59m

£519

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週三 6/5

05:25-06:30

1 stop19h 05m

London Heathrow

週二 19/5

06:30-19:06

2 stops18h 36m

£541

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週一 27/4

13:20-13:10

1 stop17h 50m

London Heathrow

週三 6/5

08:40-19:06

2 stops16h 26m

£541

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週三 6/5

06:00-06:30

2 stops18h 30m

London Heathrow

週二 19/5

10:50-22:56

2 stops18h 06m

£542

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週一 27/4

18:30-10:00

2 stops33h 30m

London Heathrow

週三 6/5

10:50-22:56

2 stops18h 06m

£542

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週日 5/4

10:58-13:10

1 stop20h 12m

London Heathrow

週四 23/4

11:45-22:46

2 stops17h 01m

£542

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

週三 1/4

13:20-13:10

1 stop17h 50m

London Heathrow

週四 23/4

08:40-19:06

2 stops16h 26m

£542

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 17 results
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Best time to book a flight from Sioux Falls to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sioux Falls 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 Sioux Falls to London Heathrow Airport

What is the cheapest month to book a flight from Sioux Falls to London Heathrow Airport?

Currently, September is the cheapest month in which you can book a flight from Sioux Falls to London Heathrow Airport (average of £497). Flying from Sioux Falls to London Heathrow Airport in May is currently the most expensive (average of £859). 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.

How much does it cost for a return flight from Sioux Falls to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sioux Falls to London Heathrow?

    Most people fly from Sioux Falls Joe Foss Field (FSD) if they book a flight from Sioux Falls to London Heathrow. On average, Joe Foss Field has 0 outbound flights to London Heathrow per day from 0 airlines. Sioux Falls Joe Foss Field is conveniently located just 2.6 mi from Sioux Falls’s city center.

  • How long is the flight from Sioux Falls to London Heathrow Airport?

    A quick flight from Sioux Falls to London Heathrow Airport can take about 14h 07m. KLM provides one of the quickest options available for as low as £492. The distance between Sioux Falls and London Heathrow Airport is about 4189 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Sioux Falls to Heathrow that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Heathrow.

  • Can I find deals for business class flights from Sioux Falls to Heathrow?

    Yes. Cheapflights offers flight deals from Sioux Falls 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 Sioux Falls to London Heathrow Airport?

    Currently, September is the cheapest month in which you can book a flight from Sioux Falls to London Heathrow Airport (average of £497). Flying from Sioux Falls to London Heathrow Airport in May is currently the most expensive (average of £859). 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 Sioux Falls to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Sioux Falls to Gatwick flights

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Can Cheapflights notify me if prices for flights from Sioux Falls to Heathrow become cheaper?

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