How long is the flight from Sioux Falls to London?

For as low as £707, United Airlines can have you in London from Sioux Falls in 12h 50m. The distance from Sioux Falls to London is about 4205 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 are the most popular routes from Sioux Falls to London?

The most popular route from Sioux Falls to London is Sioux Falls Joe Foss Field - London Heathrow. You may also consider Sioux Falls Joe Foss Field - London City or Sioux Falls Joe Foss Field - London Gatwick.

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

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 as you normally would.

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

For a flight from Sioux Falls to London, you will be flying from Joe Foss Field. Sioux Falls Joe Foss Field (FSD) is just 2.6 mi from the center of the city. Joe Foss Field is the only Sioux Falls airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Sioux Falls Joe Foss Field on a regular basis.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Sioux Falls to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£247+ Cheap Flights from Sioux Falls to London

Cheap flight deals from Sioux Falls to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Sioux Falls to London
Explore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2026.

Sun 15/1118:40 -

1 stop31h 15m

Wed 18/1106:50 -

2 stops20h 47m

Deal found 13/8£556

Tue 10/1113:20 -

2 stops17h 40m

Thu 3/1206:35 -

2 stops20h 11m

Deal found 12/8£635

Tue 10/1113:00 -

1 stop12h 05m

Thu 3/1206:30 -

2 stops15h 28m

Deal found 12/8£648

Tue 10/1115:26 -

1 stop11h 09m

Thu 3/1211:00 -

1 stop19h 29m

Deal found 12/8£649

Wed 30/907:50 -

1 stop18h 40m

Wed 7/1006:50 -

2 stops17h 06m

Deal found 15/8£655

Mon 21/907:00 -

1 stop18h 40m

Mon 28/920:00 -

2 stops34h 29m

Deal found 12/8£660

Tue 10/1113:20 -

2 stops22h 20m

Thu 3/1209:50 -

2 stops16h 56m

Deal found 12/8£665

Sun 27/911:00 -

1 stop20h 05m

Sun 4/1020:55 -

2 stops28h 48m

Deal found 13/8£686

Sun 27/913:05 -

2 stops12h 50m

Sun 4/1020:45 -

2 stops28h 58m

Deal found 13/8£707

Wed 16/918:41 -

2 stops17h 14m

Wed 30/918:30 -

2 stops34h 41m

Deal found 12/8£734

Tue 10/1112:14 -

2 stops24h 46m

Thu 3/1219:40 -

2 stops29h 25m

Deal found 12/8£737

Mon 21/908:23 -

2 stops17h 32m

Mon 28/908:25 -

2 stops20h 26m

Deal found 12/8£765

Best flights from Sioux Falls to London
Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 August 2026.

Sun 15/1118:40 -

1 stop31h 15m

Wed 18/1106:50 -

2 stops20h 47m

Deal found 13/8£556

Tue 15/1213:00 -

1 stop12h 05m

Tue 22/1210:50 -

1 stop17h 22m

Deal found 14/8£689

Tue 10/1112:14 -

2 stops24h 46m

Thu 3/1219:40 -

2 stops29h 25m

Deal found 12/8£737

Mon 21/908:23 -

2 stops17h 32m

Mon 28/908:25 -

2 stops20h 26m

Deal found 12/8£765

Tue 15/1213:00 -

2 stops14h 00m

Tue 22/1210:00 -

2 stops18h 12m

Deal found 14/8£988

Wed 30/907:50 -

1 stop18h 40m

Wed 7/1006:50 -

2 stops17h 06m

Deal found 15/8£655

Sun 27/913:05 -

2 stops12h 50m

Sun 4/1020:45 -

2 stops28h 58m

Deal found 13/8£707

Sat 12/918:41 -

2 stops20h 39m

Tue 22/906:50 -

2 stops22h 22m

Deal found 13/8£696

Wed 16/907:00 -

2 stops21h 50m

Wed 30/920:40 -

2 stops27h 31m

Deal found 12/8£773

Wed 27/114:48 -

2 stops22h 12m

Wed 3/219:40 -

2 stops34h 51m

Deal found 15/8£777

Fri 2/1013:05 -

2 stops12h 50m

Wed 7/1009:20 -

2 stops16h 12m

Deal found 15/8£890

Sun 15/1115:26 -

2 stops37h 24m

Wed 18/1111:45 -

2 stops37h 23m

Deal found 14/8£847

Sat 12/916:28 -

2 stops14h 47m

Tue 22/909:20 -

2 stops16h 23m

Deal found 11/8£909

Mon 21/918:41 -

2 stops34h 09m

Mon 28/920:40 -

2 stops27h 31m

Deal found 11/8£959

Thu 1/1011:00 -

2 stops14h 55m

Mon 5/1009:20 -

2 stops16h 23m

Deal found 15/8£970

Tue 29/1213:00 -

2 stops14h 00m

Mon 4/110:00 -

2 stops18h 12m

Deal found 11/8£1,353

Sat 3/1016:28 -

2 stops14h 47m

Wed 7/1009:20 -

2 stops16h 12m

Deal found 15/8£974

Sat 3/1016:28 -

2 stops14h 47m

Tue 6/1010:00 -

2 stops15h 32m

Deal found 15/8£974

Thu 10/911:12 -

2 stops16h 18m

Thu 17/910:20 -

2 stops18h 52m

Deal found 11/8£5,165

Sat 12/918:41 -

2 stops18h 04m

Tue 22/910:20 -

2 stops18h 52m

Deal found 13/8£5,167

Find flight deals from Sioux Falls to London

Round-trip from	£556
One-way from	£247
Popular in	August
Cheapest in	November
Average price	£973

United Airlines
15/11-18/11
3 total stops
52h 02m total
Sioux Falls to London

Search Deals

American Airlines
30/11
1 total stop
16h 52m total
Sioux Falls to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£85 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

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

Sun 15/11

18:40-07:55

1 stop31h 15m

London Heathrow

Wed 18/11

06:50-21:37

2 stops20h 47m

£556

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Wed 30/9

07:50-08:30

1 stop18h 40m

London Heathrow

Wed 7/10

06:50-17:56

2 stops17h 06m

£655

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Tue 15/12

13:00-07:05

1 stop12h 05m

London Heathrow

Tue 22/12

10:50-22:12

1 stop17h 22m

£689

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LHR London Heathrow

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

18:41-21:20

2 stops20h 39m

London Heathrow

Tue 22/9

06:50-23:12

2 stops22h 22m

£696

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LCY London City

FSDLCY

Sioux Falls Joe Foss Field

Sun 27/9

13:05-07:55

2 stops12h 50m

London City

Sun 4/10

20:45-19:43

2 stops28h 58m

£707

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LGW London Gatwick

FSDLGW

Sioux Falls Joe Foss Field

Tue 10/11

12:14-19:00

2 stops24h 46m

London Gatwick

Thu 3/12

19:40-19:05

2 stops29h 25m

£737

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LCY London City

FSDLCY

Sioux Falls Joe Foss Field

Mon 21/9

08:23-07:55

2 stops17h 32m

London City

Mon 28/9

08:25-22:51

2 stops20h 26m

£765

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LGW London Gatwick

FSDLGW

Sioux Falls Joe Foss Field

Wed 16/9

07:00-10:50

2 stops21h 50m

London Gatwick

Wed 30/9

20:40-18:11

2 stops27h 31m

£773

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LGW London Gatwick

FSDLGW

Sioux Falls Joe Foss Field

Wed 27/1

14:48-19:00

2 stops22h 12m

London Gatwick

Wed 3/2

19:40-00:31

2 stops34h 51m

£777

Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - LGW London Gatwick

FSDLGW

Sioux Falls Joe Foss Field

Sun 15/11

15:26-10:50

2 stops37h 24m

London Gatwick

Wed 18/11

11:45-19:08

2 stops37h 23m

£847

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 30 resultsSorted by cheapest first

Best time to book a flight from Sioux Falls to London

Have a flexible travel schedule? Discover the best time to fly to London from Sioux Falls with our price prediction graph.

FSD-LON

FSD-LHR

FSD-LCY

FSD-LGW

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

FSD-LON

FSD-LHR

FSD-LCY

FSD-LGW

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

Currently, March is the cheapest month in which you can book a flight from Sioux Falls to London (average of £539). Flying from Sioux Falls to London in June is currently the most expensive (average of £879). 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

What airport do you fly from for flights from Sioux Falls to London?
For a flight from Sioux Falls to London, you will be flying from Joe Foss Field. Sioux Falls Joe Foss Field (FSD) is just 2.6 mi from the center of the city. Joe Foss Field is the only Sioux Falls airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Sioux Falls Joe Foss Field on a regular basis.
How long is the flight from Sioux Falls to London?
For as low as £707, United Airlines can have you in London from Sioux Falls in 12h 50m. The distance from Sioux Falls to London is about 4205 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Sioux Falls to London?
The most popular route from Sioux Falls to London is Sioux Falls Joe Foss Field - London Heathrow. You may also consider Sioux Falls Joe Foss Field - London City or Sioux Falls Joe Foss Field - London Gatwick.
Can I find deals for flights from Sioux Falls to London that include hotel bookings?
Yes. In addition to deals on Sioux Falls to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to London.
Can I find deals for business class flights from Sioux Falls to London?
Yes. Cheapflights offers flight deals from Sioux Falls to London 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?
Currently, March is the cheapest month in which you can book a flight from Sioux Falls to London (average of £539). Flying from Sioux Falls to London in June is currently the most expensive (average of £879). 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.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sioux Falls to London, users can toggle the no change fees filter when performing a flight search.

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

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Cheap flights from Sioux Falls to London from £247

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 London

Cheapest flights from Sioux Falls to LondonExplore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2026.

Explore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2026.

Best flights from Sioux Falls to LondonDiscover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 August 2026.

Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 August 2026.

Last-minute flights from Sioux Falls to LondonDiscover last-minute flight deals from Sioux Falls to London. Data last updated 16 August 2026 and is based on user searches.

Discover last-minute flight deals from Sioux Falls to London. Data last updated 16 August 2026 and is based on user searches.

One-way flights from Sioux Falls to LondonSearch for one-way flight options from Sioux Falls to London. Find affordable one-way fares based on user searches. Data last updated 16 August 2026.

Search for one-way flight options from Sioux Falls to London. Find affordable one-way fares based on user searches. Data last updated 16 August 2026.

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Best time to book a flight from Sioux Falls to London

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

Related info for your journey

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

How long is the flight from Sioux Falls to London?

What are the most popular routes from Sioux Falls to London?

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

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

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

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

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Cheapest flights from Sioux Falls to London
Explore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2026.

Best flights from Sioux Falls to London
Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 August 2026.

Last-minute flights from Sioux Falls to London
Discover last-minute flight deals from Sioux Falls to London. Data last updated 16 August 2026 and is based on user searches.

One-way flights from Sioux Falls to London
Search for one-way flight options from Sioux Falls to London. Find affordable one-way fares based on user searches. Data last updated 16 August 2026.