Cheap flights from Sioux Falls to London from £284

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to London departing on 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Sioux Falls to London

Cheap return flights

Enter your travel dates to find the best prices.
Iberia Logo
18:00 - 10:50
FSD
-
LHR
10h 50m
1 stop
Iberia Logo
07:50 - 23:51
LHR
-
FSD
22h 01m
2 stops
£682Iberia
Sat, 12 Sep - Tue, 22 Sep
Iberia Logo
07:18 - 07:40
FSD
-
LHR
18h 22m
1 stop
Iberia Logo
07:50 - 22:17
LHR
-
FSD
20h 27m
2 stops
£685Iberia
Thu, 8 Oct - Thu, 15 Oct
Multiple Airlines Logo
20:53 - 10:55
FSD
-
LGW
56h 02m
2 stops
Multiple Airlines Logo
14:00 - 12:24
LGW
-
FSD
28h 24m
1 stop
£688Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
United Airlines Logo
18:20 - 11:55
FSD
-
LHR
11h 35m
1 stop
United Airlines Logo
06:50 - 21:43
LHR
-
FSD
20h 53m
2 stops
£692United Airlines
Wed, 21 Oct - Tue, 3 Nov
United Airlines Logo
07:40 - 08:35
FSD
-
LHR
18h 55m
2 stops
United Airlines Logo
09:00 - 21:43
LHR
-
FSD
17h 43m
2 stops
£693United Airlines
Wed, 21 Oct - Thu, 29 Oct
American Airlines Logo
12:25 - 09:05
FSD
-
LHR
14h 40m
1 stop
American Airlines Logo
11:00 - 21:55
LHR
-
FSD
16h 55m
1 stop
£707American Airlines
Sat, 12 Sep - Tue, 22 Sep
KLM Logo
13:00 - 07:55
FSD
-
LCY
12h 55m
2 stops
KLM Logo
13:45 - 22:51
LCY
-
FSD
15h 06m
2 stops
£806KLM
Wed, 21 Oct - Sun, 1 Nov
American Airlines Logo
06:00 - 08:35
FSD
-
LGW
20h 35m
2 stops
American Airlines Logo
14:30 - 11:34
LGW
-
FSD
27h 04m
2 stops
£890American Airlines
Wed, 20 May - Wed, 3 Jun
KLM Logo
13:00 - 07:55
FSD
-
LCY
12h 55m
2 stops
KLM Logo
09:20 - 21:13
LCY
-
FSD
17h 53m
2 stops
£958KLM
Wed, 21 Oct - Mon, 2 Nov
Multiple Airlines Logo
16:16 - 16:00
FSD
-
LGW
17h 44m
2 stops
Multiple Airlines Logo
10:25 - 23:11
LGW
-
FSD
18h 46m
2 stops
£1,058Multiple Airlines
Wed, 20 May - Wed, 3 Jun

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United Airlines flights from Sioux Falls to London

Our best United Airlines deals on Sioux Falls to London flight tickets
United Airlines
21 Oct
FSD15:16Sioux Falls Joe Foss Field
14h 39m
1 stop
LHR11:55London Heathrow
4 Nov
LHR06:50London Heathrow
16h 44m
2 stops
FSD17:34Sioux Falls Joe Foss Field
£692
United Airlines
12 Sept
FSD18:50Sioux Falls Joe Foss Field
30h 55m
2 stops
LHR07:45London Heathrow
22 Sept
LHR06:50London Heathrow
21h 02m
2 stops
FSD21:52Sioux Falls Joe Foss Field
£696
United Airlines
12 Sept
FSD09:36Sioux Falls Joe Foss Field
38h 54m
2 stops
LHR06:30London Heathrow
22 Sept
LHR06:50London Heathrow
21h 02m
2 stops
FSD21:52Sioux Falls Joe Foss Field
£700

Iberia flights from Sioux Falls to London

Our best Iberia deals on Sioux Falls to London flight tickets
Iberia
12 Sept
FSD18:00Sioux Falls Joe Foss Field
10h 50m
1 stop
LHR10:50London Heathrow
22 Sept
LHR07:50London Heathrow
22h 01m
2 stops
FSD23:51Sioux Falls Joe Foss Field
£682
Iberia
8 Oct
FSD07:18Sioux Falls Joe Foss Field
18h 22m
1 stop
LHR07:40London Heathrow
15 Oct
LHR07:50London Heathrow
20h 27m
2 stops
FSD22:17Sioux Falls Joe Foss Field
£685
Iberia
1 May
FSD19:39Sioux Falls Joe Foss Field
10h 36m
1 stop
LHR12:15London Heathrow
8 May
LHR12:15London Heathrow
16h 51m
1 stop
FSD23:06Sioux Falls Joe Foss Field
£829

momondo Fare Finder

 
Customise your flight search to find flights from Sioux Falls to London 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, momondo users made 279,928 searches. Data last updated 26 April 2026.
Use the filters below to find and compare flights from Sioux Falls to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

18:00-10:50

1 stop10h 50m

London Heathrow

Tue 22/9

07:50-23:51

2 stops22h 01m

£682

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 8/10

07:18-07:40

1 stop18h 22m

London Heathrow

Thu 15/10

07:50-22:17

2 stops20h 27m

£685

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Mon 1/6

20:53-10:55

2 stops56h 02m

London Gatwick

Mon 8/6

14:00-12:24

1 stop28h 24m

£688

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 21/10

18:20-11:55

1 stop11h 35m

London Heathrow

Tue 3/11

06:50-21:43

2 stops20h 53m

£692

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 21/10

07:40-08:35

2 stops18h 55m

London Heathrow

Thu 29/10

09:00-21:43

2 stops17h 43m

£693

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 12/9

12:25-09:05

1 stop14h 40m

London Heathrow

Tue 22/9

11:00-21:55

1 stop16h 55m

£707
Fastest return journey

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Wed 21/10

13:00-07:55

2 stops12h 55m

London City

Sun 1/11

13:45-22:51

2 stops15h 06m

£806

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Wed 20/5

06:00-08:35

2 stops20h 35m

London Gatwick

Wed 3/6

14:30-11:34

2 stops27h 04m

£890

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Wed 21/10

13:00-07:55

2 stops12h 55m

London City

Mon 2/11

09:20-21:13

2 stops17h 53m

£958

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Wed 20/5

16:16-16:00

2 stops17h 44m

London Gatwick

Wed 3/6

10:25-23:11

2 stops18h 46m

£1,058

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Sioux Falls to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Sioux Falls Joe Foss Field to London?

Iberia, United Airlines, and Delta are the most popular carriers operating from Sioux Falls Joe Foss Field to London

When to book flights from Sioux Falls to London

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sioux Falls to London (FSD to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to London

Fastest flight time

12h 11m

Direct flights

None
The fastest flight from Sioux Falls to London takes 12h 11m
There are no direct flights from Sioux Falls to London. There are no popular flight routes from Sioux Falls to London.

Frequently asked questions about flying from Sioux Falls to London

  • How far is Sioux Falls Joe Foss Field to London by plane?

    London is 4200.7 mi away from Sioux Falls Joe Foss Field. 12h 11m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to London?

    Prices for flights from Sioux Falls Joe Foss Field Airport to London are refreshed on a daily basis.

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sioux Falls Joe Foss Field Airport to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Wembley
Southend-on-Sea
Ipswich
Canterbury
Ilford
Guildford
Hayes
Dover
Chelmsford
Folkestone
Chichester
Bedford
Ramsgate
Harlow

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to London?

Finding the right flight to London from Sioux Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Sioux Falls to London with flexible booking policies on momondo?

Flights from Sioux Falls to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sioux Falls to London?

momondo helps you find the best flight between Sioux Falls and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sioux Falls to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sioux Falls to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Tue 26/5
Tue 2/6

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

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