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 15h 30m. United Airlines provides one of the quickest options available for as low as £690. The distance between Sioux Falls and London Heathrow Airport is about 4189 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from FSD to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sioux Falls to London Heathrow Airport as you normally would.

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.

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.

£399+ Cheap Flights from Sioux Falls to London Heathrow Airport

Cheap flight deals from Sioux Falls to Heathrow

Enter your travel dates to find the best prices.

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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 5 October 2026.

Sun 1/1118:40 -

1 stop31h 15m

Wed 18/1109:00 -

2 stops18h 37m

Deal found 30/9£669

Wed 18/1115:27 -

1 stop12h 58m

Wed 25/1107:35 -

2 stops17h 31m

Deal found 4/10£686

Wed 18/1113:20 -

2 stops15h 30m

Wed 25/1109:00 -

2 stops18h 37m

Deal found 4/10£690

Sat 14/1117:00 -

1 stop32h 05m

Sat 21/1116:25 -

2 stops33h 31m

Deal found 30/9£697

Sun 15/1115:26 -

1 stop12h 59m

Sun 22/1107:30 -

2 stops17h 36m

Deal found 1/10£702

Wed 18/1105:25 -

1 stop19h 00m

Wed 25/1108:55 -

1 stop17h 01m

Deal found 4/10£710

Sat 14/1118:40 -

2 stops30h 30m

Sat 21/1116:40 -

2 stops31h 14m

Deal found 30/9£715

Sun 15/1115:26 -

1 stop14h 09m

Sun 22/1112:35 -

1 stop18h 09m

Deal found 1/10£726

Mon 16/1115:10 -

1 stop14h 50m

Mon 23/1116:40 -

2 stops34h 57m

Deal found 2/10£729

Find flight deals from Sioux Falls to Heathrow

Round-trip from	£669
One-way from	£399
Popular in	June
Cheapest in	February
Average price	£623

United Airlines
1/11-18/11
3 total stops
49h 52m total
Sioux Falls to London

Search Deals

KLM
30/11-31/12
1 total stop
12h 05m total
Sioux Falls to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£98 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to London Heathrow Airport that are best for you.

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Route

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Price

Cheapest return flight

Fastest return journey

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 30/11

13:00-07:05

1 stop12h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£399

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 18/10

07:50-05:55

2 stops16h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 19/10

12:07-09:05

1 stop14h 58m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 30/11

05:55-05:55

2 stops18h 00m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 19/10

11:15-09:20

2 stops16h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£414

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Wed 18/11

13:20-10:50

2 stops15h 30m

London Heathrow

Wed 25/11

09:00-21:37

2 stops18h 37m

£690

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 1/11

18:40-05:55

1 stop29h 15m

London Heathrow

Wed 18/11

07:40-21:37

1 stop19h 57m

£692

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Wed 18/11

05:25-06:25

1 stop19h 00m

London Heathrow

Wed 25/11

08:55-19:56

1 stop17h 01m

£710

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 16/11

15:10-12:00

1 stop14h 50m

London Heathrow

Mon 23/11

16:40-21:37

2 stops34h 57m

£729

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Wed 24/3

12:11-06:55

1 stop13h 44m

London Heathrow

Mon 29/3

12:55-20:59

1 stop14h 04m

£730

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Showing 1-10 of 15 resultsSorted by cheapest first

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.

FSD-LHR

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.

Related info for your journey

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 15h 30m. United Airlines provides one of the quickest options available for as low as £690. 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.

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Cheap flights from Sioux Falls to London Heathrow Airport from £399

This is the cheapest retur 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.

Cheap flight deals from Sioux Falls to Heathrow

Cheapest flights from Sioux Falls to HeathrowExplore 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 5 October 2026.

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 5 October 2026.

Best flights from Sioux Falls to HeathrowDiscover carefully curated flight deals from Sioux Falls to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Discover carefully curated flight deals from Sioux Falls to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Last-minute flights from Sioux Falls to HeathrowDiscover last-minute flight deals from Sioux Falls to Heathrow. Data last updated 5 October 2026 and is based on user searches.

Discover last-minute flight deals from Sioux Falls to Heathrow. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Sioux Falls to HeathrowSearch for one-way flight options from Sioux Falls to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Search for one-way flight options from Sioux Falls to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

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Related info for your journey

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

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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 5 October 2026.

Best flights from Sioux Falls to Heathrow
Discover carefully curated flight deals from Sioux Falls to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Last-minute flights from Sioux Falls to Heathrow
Discover last-minute flight deals from Sioux Falls to Heathrow. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Sioux Falls to Heathrow
Search for one-way flight options from Sioux Falls to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.