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 12h 06m. United Airlines provides one of the quickest options available for as low as £746. 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.

£245+ 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.

Cheapest

Best

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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 24 August 2026.

Wed 11/1112:14 -

1 stop16h 11m

Wed 18/1106:15 -

2 stops18h 46m

Deal found 20/8£647

Wed 7/1012:07 -

1 stop16h 43m

Wed 14/1007:50 -

2 stops22h 51m

Deal found 24/8£648

Wed 23/907:47 -

2 stops18h 48m

Wed 30/906:50 -

2 stops17h 06m

Deal found 23/8£651

Wed 7/1007:50 -

2 stops17h 05m

Wed 14/1006:50 -

2 stops17h 06m

Deal found 24/8£654

Wed 7/1012:07 -

1 stop13h 48m

Wed 14/1013:10 -

1 stop17h 31m

Deal found 23/8£672

Fri 18/907:00 -

1 stop21h 50m

Fri 25/907:50 -

2 stops22h 39m

Deal found 21/8£684

Fri 16/1014:48 -

1 stop15h 27m

Wed 21/1006:15 -

2 stops24h 26m

Deal found 23/8£685

Sun 4/1017:04 -

1 stop13h 31m

Sun 11/1006:50 -

2 stops22h 21m

Deal found 20/8£687

Find flight deals from Sioux Falls to Heathrow

Round-trip from	£647
One-way from	£245
Popular in	June
Cheapest in	March
Average price	£706

Iberia
11/11-18/11
3 total stops
34h 57m total
Sioux Falls to London

Search Deals

American Airlines
30/11
1 total stop
16h 57m total
Sioux Falls to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£121 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Wed 23/9

07:47-08:35

2 stops18h 48m

London Heathrow

Wed 30/9

06:50-17:56

2 stops17h 06m

£651

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Tue 26/1

07:03-06:55

1 stop17h 52m

London Heathrow

Sun 31/1

12:50-00:31

2 stops17h 41m

£678

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 4/10

07:50-06:30

2 stops16h 40m

London Heathrow

Sun 11/10

06:50-17:56

2 stops17h 06m

£689

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 4/10

05:30-07:15

1 stop19h 45m

London Heathrow

Sun 11/10

12:25-19:32

1 stop13h 07m

£708

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 18/10

08:30-08:50

2 stops18h 20m

London Heathrow

Fri 23/10

06:30-19:32

2 stops19h 02m

£914

Fastest return journey

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Wed 16/12

07:40-05:55

1 stop16h 15m

London Heathrow

Mon 28/12

07:40-14:36

1 stop12h 56m

£917

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 18/10

07:50-06:45

1 stop16h 55m

London Heathrow

Fri 23/10

11:25-23:44

1 stop18h 19m

£931

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sun 18/10

13:00-13:05

1 stop18h 05m

London Heathrow

Fri 23/10

11:15-19:55

1 stop14h 40m

£932

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 16/11

06:00-07:55

1 stop19h 55m

London Heathrow

Wed 18/11

07:40-14:23

1 stop12h 43m

£1,065

Cheapest one-way

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Mon 30/11

13:13-12:10

1 stop16h 57m

£245

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 16 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.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to London Heathrow Airport

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

Airfare is typical for this route at the moment.

Sioux Falls to London Heathrow Airport flights typically cost between £634 and £707 in November.
The cheapest return price found within the last 5 days was £647 on Iberia (11 Nov–18 Nov).

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 12h 06m. United Airlines provides one of the quickest options available for as low as £746. 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 £245

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.

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 24 August 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 24 August 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 24 August 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 24 August 2026.

Last-minute flights from Sioux Falls to HeathrowDiscover last-minute flight deals from Sioux Falls to Heathrow. Data last updated 24 August 2026 and is based on user searches.

Discover last-minute flight deals from Sioux Falls to Heathrow. Data last updated 24 August 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 24 August 2026.

Search for one-way flight options from Sioux Falls to Heathrow. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

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

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.

Cheapflights Insights

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

Airfare is typical for this route at the moment.

Sioux Falls to London Heathrow Airport flights typically cost between £634 and £707 in November.The cheapest return price found within the last 5 days was £647 on Iberia (11 Nov–18 Nov).

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?

Browse thousands of different options on Cheapflights for your next trip

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Can Cheapflights find flights from Sioux Falls to Heathrow with no change fees?

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

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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 24 August 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 24 August 2026.

Last-minute flights from Sioux Falls to Heathrow
Discover last-minute flight deals from Sioux Falls to Heathrow. Data last updated 24 August 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 24 August 2026.

Sioux Falls to London Heathrow Airport flights typically cost between £634 and £707 in November.
The cheapest return price found within the last 5 days was £647 on Iberia (11 Nov–18 Nov).