Cheap flights from Sioux Falls to London from £229

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 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

United Airlines Logo
07:45 - 11:15FSD-LHR
21h 30m1 stop
United Airlines Logo
09:00 - 21:47LHR-FSD
18h 47m2 stops
£540United Airlines
Find Deal
Wed, 7 Jan - Wed, 14 Jan
United Airlines Logo
15:12 - 11:45FSD-LHR
14h 33m1 stop
United Airlines Logo
17:40 - 22:22LHR-FSD
34h 42m2 stops
£542United Airlines
Find Deal
Tue, 7 Oct - Fri, 17 Oct
Lufthansa Logo
15:16 - 18:45FSD-LHR
21h 29m2 stops
Lufthansa Logo
19:15 - 20:46LHR-FSD
31h 31m2 stops
£568Lufthansa
Find Deal
Wed, 7 Jan - Mon, 12 Jan
Delta Logo
05:20 - 06:25FSD-LHR
19h 05m1 stop
Delta Logo
06:20 - 19:18LHR-FSD
18h 58m2 stops
£592Delta
Find Deal
Thu, 8 Jan - Thu, 15 Jan
Delta Logo
05:24 - 07:50FSD-LHR
20h 26m1 stop
Delta Logo
06:20 - 22:58LHR-FSD
22h 38m2 stops
£596Delta
Find Deal
Sun, 4 Jan - Tue, 13 Jan
KLM Logo
05:20 - 09:00FSD-LHR
21h 40m1 stop
KLM Logo
06:30 - 15:33LHR-FSD
15h 03m2 stops
£603KLM
Find Deal
Thu, 8 Jan - Tue, 13 Jan
Lufthansa Logo
15:16 - 17:40FSD-LCY
20h 24m2 stops
Lufthansa Logo
18:15 - 21:47LCY-FSD
33h 32m2 stops
£603Lufthansa
Find Deal
Wed, 7 Jan - Thu, 15 Jan
KLM Logo
13:20 - 08:10FSD-LCY
12h 50m2 stops
KLM Logo
08:40 - 19:18LCY-FSD
16h 38m2 stops
£654KLM
Find Deal
Thu, 8 Jan - Tue, 13 Jan
Iberia Logo
12:18 - 20:00FSD-LGW
25h 42m2 stops
Iberia Logo
11:35 - 23:57LGW-FSD
42h 22m2 stops
£747Iberia
Find Deal
Mon, 8 Sep - Sun, 14 Sep
Iberia Logo
18:00 - 20:00FSD-LGW
44h 00m2 stops
Iberia Logo
11:35 - 23:57LGW-FSD
42h 22m2 stops
£752Iberia
Find Deal
Mon, 8 Sep - Sun, 14 Sep

United Airlines flights from Sioux Falls to London

Our best United Airlines deals on Sioux Falls to London flight tickets
United Airlines
7 Jan
FSD07:45Sioux Falls Joe Foss Field
21h 30m
1 stop
LHR11:15London Heathrow
14 Jan
LHR09:00London Heathrow
18h 47m
2 stops
FSD21:47Sioux Falls Joe Foss Field
United Airlines
7 Oct
FSD15:12Sioux Falls Joe Foss Field
14h 33m
1 stop
LHR11:45London Heathrow
17 Oct
LHR17:40London Heathrow
34h 42m
2 stops
FSD22:22Sioux Falls Joe Foss Field
United Airlines
1 Oct
FSD08:00Sioux Falls Joe Foss Field
22h 20m
2 stops
LHR12:20London Heathrow
8 Oct
LHR07:25London Heathrow
16h 02m
2 stops
FSD17:27Sioux Falls Joe Foss Field

Lufthansa flights from Sioux Falls to London

Our best Lufthansa deals on Sioux Falls to London flight tickets
Lufthansa
7 Jan
FSD15:16Sioux Falls Joe Foss Field
21h 29m
2 stops
LHR18:45London Heathrow
12 Jan
LHR19:15London Heathrow
31h 31m
2 stops
FSD20:46Sioux Falls Joe Foss Field
Lufthansa
7 Jan
FSD15:16Sioux Falls Joe Foss Field
20h 24m
2 stops
LCY17:40London City
15 Jan
LCY18:15London City
33h 32m
2 stops
FSD21:47Sioux Falls Joe Foss Field
Lufthansa
6 Jan
FSD15:16Sioux Falls Joe Foss Field
35h 49m
2 stops
LCY09:05London City
15 Jan
LCY18:15London City
33h 32m
2 stops
FSD21:47Sioux Falls Joe Foss Field

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 18 August 2025.
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

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 7/1

07:45-11:15

1 stop21h 30m

London Heathrow

Wed 14/1

09:00-21:47

2 stops18h 47m

£540

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/10

15:12-11:45

1 stop14h 33m

London Heathrow

Fri 17/10

17:40-22:22

2 stops34h 42m

£542

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 7/1

15:16-18:45

2 stops21h 29m

London Heathrow

Mon 12/1

19:15-20:46

2 stops31h 31m

£568

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 8/1

05:20-06:25

1 stop19h 05m

London Heathrow

Thu 15/1

06:20-19:18

2 stops18h 58m

£592

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 4/1

05:24-07:50

1 stop20h 26m

London Heathrow

Tue 13/1

06:20-22:58

2 stops22h 38m

£596

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 8/1

05:20-09:00

1 stop21h 40m

London Heathrow

Tue 13/1

06:30-15:33

2 stops15h 03m

£603

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Wed 7/1

15:16-17:40

2 stops20h 24m

London City

Thu 15/1

18:15-21:47

2 stops33h 32m

£603

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Thu 8/1

13:20-08:10

2 stops12h 50m

London City

Tue 13/1

08:40-19:18

2 stops16h 38m

£654

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Mon 8/9

12:18-20:00

2 stops25h 42m

London Gatwick

Sun 14/9

11:35-23:57

2 stops42h 22m

£747

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Mon 8/9

18:00-20:00

2 stops44h 00m

London Gatwick

Sun 14/9

11:35-23:57

2 stops42h 22m

£752

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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 month to fly to London?

The cheapest month to fly to London from Sioux Falls is in March. Flight prices, which tend to average around £508, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Sioux Falls averaging around £535.

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

Best price found

£229

Fastest flight time

10h 39m

Direct flights

None

Airports in London

4 airports
The best one-way flight to London from Sioux Falls in the past 72 hours is £229. The best return flight deal from Sioux Falls to London found on momondo in the last 72 hours is £540.
The fastest flight from Sioux Falls to London takes 10h 39m
There are no direct flights from Sioux Falls to London. Popular non-direct routes for this connection are Sioux Falls Joe Foss Field Airport - London Gatwick Airport, Sioux Falls Joe Foss Field Airport - London Heathrow Airport and Sioux Falls Joe Foss Field Airport - London City Airport.
There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW), London Southend (SEN)
  • How far is Sioux Falls Joe Foss Field to London by plane?

    London is 4200.7 mi away from Sioux Falls Joe Foss Field. 10h 39m 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
Slough
Maidstone
Gatwick
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Colchester
Worthing
Hounslow
Dartford
Dover
Chelmsford
Hayes
Bedford
Winchester

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
Sat 23/8
Sat 30/8

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London