How long does it take to fly to London?

Flight times from South Dakota to London vary, but if you’re flying out of Sioux Falls and flying into London Heathrow Airport (one of the most popular routes), then the duration is 10h 52m on average. Another popular route from South Dakota to London is flying from Rapid City to London Heathrow Airport, which will take roughly 13h 35m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from South Dakota to London?

Finnair and British Airways are the most popular carriers operating from South Dakota to London

When did momondo last update prices for flights from South Dakota to London?

Prices for flights from South Dakota to London are refreshed on a daily basis.

How old do you have to be to fly from South Dakota 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 South Dakota to London.

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

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£638 Cheap Flights from South Dakota to London in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from South Dakota to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:48 - 09:40

RAP

LHR

32h 52m

1 stop

09:30 - 22:08

LHR

RAP

19h 38m

2 stops

£638United Airlines

Tue, 1 Dec - Fri, 4 Dec

17:48 - 09:40

RAP

LHR

32h 52m

1 stop

09:30 - 19:08

LHR

RAP

16h 38m

2 stops

£639United Airlines

Tue, 1 Dec - Fri, 4 Dec

05:25 - 11:40

FSD

LHR

24h 15m

1 stop

06:30 - 15:50

LHR

FSD

15h 20m

2 stops

£656KLM

Mon, 2 Nov - Wed, 11 Nov

11:30 - 07:05

RAP

LHR

13h 35m

1 stop

20:25 - 15:46

LHR

RAP

26h 21m

2 stops

£700Multiple Airlines

Thu, 29 Oct - Tue, 3 Nov

16:28 - 13:05

FSD

LHR

14h 37m

1 stop

08:40 - 19:43

LHR

FSD

17h 03m

2 stops

£707Delta

Sun, 23 Aug - Thu, 10 Sep

18:39 - 18:40

FSD

LHR

18h 01m

2 stops

09:00 - 23:12

LHR

FSD

20h 12m

2 stops

£707Lufthansa

Wed, 26 Aug - Wed, 9 Sep

16:00 - 16:35

RAP

LCY

18h 35m

2 stops

07:45 - 22:39

LCY

RAP

21h 54m

2 stops

£721Delta

Thu, 29 Oct - Tue, 3 Nov

20:48 - 10:55

FSD

LGW

32h 07m

2 stops

10:10 - 16:29

LGW

FSD

36h 19m

1 stop

£731Multiple Airlines

Mon, 2 Nov - Wed, 11 Nov

18:20 - 17:40

FSD

LCY

17h 20m

2 stops

09:50 - 20:15

LCY

FSD

16h 25m

2 stops

£763Lufthansa

Mon, 2 Nov - Thu, 12 Nov

05:25 - 08:50

FSD

LCY

21h 25m

2 stops

08:40 - 19:44

LCY

FSD

17h 04m

2 stops

£884KLM

Sun, 1 Nov - Thu, 12 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Iberia flights from South Dakota to London

Our best Iberia deals on South Dakota to London flight tickets

Iberia

31 Aug

FSD17:23Sioux Falls Joe Foss Field

32h 42m

1 stop

LHR08:05London Heathrow

23 Sept

LHR06:15London Heathrow

17h 56m

2 stops

FSD18:11Sioux Falls Joe Foss Field

£708

Iberia

6 Aug

FSD17:23Sioux Falls Joe Foss Field

11h 07m

1 stop

LHR10:30London Heathrow

13 Aug

LHR14:25London Heathrow

16h 05m

1 stop

FSD00:30Sioux Falls Joe Foss Field

£785

Iberia

2 Jul

FSD16:43Sioux Falls Joe Foss Field

36h 07m

2 stops

LGW10:50London Gatwick

8 Jul

LGW20:40London Gatwick

33h 38m

2 stops

FSD00:18Sioux Falls Joe Foss Field

£1,144

KLM flights from South Dakota to London

Our best KLM deals on South Dakota to London flight tickets

KLM

2 Nov

FSD05:25Sioux Falls Joe Foss Field

24h 15m

1 stop

LHR11:40London Heathrow

11 Nov

LHR06:30London Heathrow

15h 20m

2 stops

FSD15:50Sioux Falls Joe Foss Field

£656

KLM

31 Aug

FSD16:28Sioux Falls Joe Foss Field

14h 37m

1 stop

LHR13:05London Heathrow

9 Sept

LHR06:30London Heathrow

15h 16m

2 stops

FSD15:46Sioux Falls Joe Foss Field

£726

KLM

31 Aug

FSD05:30Sioux Falls Joe Foss Field

18h 55m

1 stop

LHR06:25London Heathrow

9 Sept

LHR11:15London Heathrow

14h 34m

1 stop

FSD19:49Sioux Falls Joe Foss Field

£748

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/12

17:48-09:40

1 stop32h 52m

London Heathrow

Fri 4/12

09:30-22:08

2 stops19h 38m

£638

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/12

17:48-09:40

1 stop32h 52m

London Heathrow

Fri 4/12

09:30-19:08

2 stops16h 38m

£639

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 2/11

05:25-11:40

1 stop24h 15m

London Heathrow

Wed 11/11

06:30-15:50

2 stops15h 20m

£656

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 29/10

11:30-07:05

1 stop13h 35m

London Heathrow

Tue 3/11

20:25-15:46

2 stops26h 21m

£700

Fastest return journey

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 23/8

16:28-13:05

1 stop14h 37m

London Heathrow

Thu 10/9

08:40-19:43

2 stops17h 03m

£707

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 26/8

18:39-18:40

2 stops18h 01m

London Heathrow

Wed 9/9

09:00-23:12

2 stops20h 12m

£707

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 29/10

16:00-16:35

2 stops18h 35m

London City

Tue 3/11

07:45-22:39

2 stops21h 54m

£721

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Mon 2/11

20:48-10:55

2 stops32h 07m

London Gatwick

Wed 11/11

10:10-16:29

1 stop36h 19m

£731

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Mon 2/11

18:20-17:40

2 stops17h 20m

London City

Thu 12/11

09:50-20:15

2 stops16h 25m

£763

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sun 1/11

05:25-08:50

2 stops21h 25m

London City

Thu 12/11

08:40-19:44

2 stops17h 04m

£884

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from South Dakota 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

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from South Dakota is in July. Flight prices, which tend to average around £387, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from South Dakota averaging around £448.

Cheap South Dakota to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to London

Fastest flight time	10h 52m
Direct flights	None

The fastest flight from South Dakota to London takes 10h 52m

There are no direct flights from South Dakota to London. There are no popular flight routes from South Dakota to London.

Search flight deals

Frequently asked questions about flying from South Dakota to London

When did momondo last update prices for flights from South Dakota to London?
Prices for flights from South Dakota to London are refreshed on a daily basis.
How old do you have to be to fly from South Dakota 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 South Dakota to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Wembley

Milton Keynes

Gatwick

Luton

Slough

Southend-on-Sea

Maidstone

Ipswich

Ilford

Canterbury

Folkestone

Guildford

Hayes

Chichester

Bedford

Hastings

Colchester

Harlow

Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from South Dakota to London?

It is quick and easy to find South Dakota to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from South Dakota to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from South Dakota with this policy.

How can momondo help me find flights from South Dakota to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from South Dakota.

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

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

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 28/7

Tue 4/8

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Nearby airports

Cabin classes

Other United Kingdom destinations

Complete your trip

Feeling lucky

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from South Dakota to London from £638

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to London departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from South Dakota to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Iberia flights from South Dakota to London

Our best Iberia deals on South Dakota to London flight tickets

KLM flights from South Dakota to London

Our best KLM deals on South Dakota to London flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from South Dakota to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from South Dakota to London

What is the cheapest month to fly to London?

What is the cheapest airline that flies from South Dakota to London?

How long does it take to fly to London?

Cheap South Dakota to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to London

Fastest flight time

Direct flights

Frequently asked questions about flying from South Dakota to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year