How long does it take to fly to London?

If you’re flying from a popular airport in South Dakota, such as Sioux Falls or Rapid City, and flying into London, then you can expect flight times to average 10h 52m and 13h 35m, respectively.

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 updated daily.

How many operators does momondo search for flights from South Dakota to London?

There are 2 operators available for flights from South Dakota to London as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.

$843 Cheap Flights from South Dakota to London in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from South Dakota to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:48 pm - 9:40 am

RAP

LHR

32h 52m

1 stop

9:30 am - 10:08 pm

LHR

RAP

19h 38m

2 stops

$843United Airlines

Tue, Dec 1 - Fri, Dec 4

5:48 pm - 9:40 am

RAP

LHR

32h 52m

1 stop

9:30 am - 7:08 pm

LHR

RAP

16h 38m

2 stops

$844United Airlines

Tue, Dec 1 - Fri, Dec 4

5:25 am - 11:40 am

FSD

LHR

24h 15m

1 stop

6:30 am - 3:50 pm

LHR

FSD

15h 20m

2 stops

$866KLM

Mon, Nov 2 - Wed, Nov 11

11:30 am - 7:05 am

RAP

LHR

13h 35m

1 stop

8:25 pm - 3:46 pm

LHR

RAP

26h 21m

2 stops

$924Multiple Airlines

Thu, Oct 29 - Tue, Nov 3

4:28 pm - 1:05 pm

FSD

LHR

14h 37m

1 stop

8:40 am - 7:43 pm

LHR

FSD

17h 03m

2 stops

$933Delta

Sun, Aug 23 - Thu, Sep 10

6:39 pm - 6:40 pm

FSD

LHR

18h 01m

2 stops

9:00 am - 11:12 pm

LHR

FSD

20h 12m

2 stops

$934Lufthansa

Wed, Aug 26 - Wed, Sep 9

4:00 pm - 4:35 pm

RAP

LCY

18h 35m

2 stops

7:45 am - 10:39 pm

LCY

RAP

21h 54m

2 stops

$952Delta

Thu, Oct 29 - Tue, Nov 3

8:48 pm - 10:55 am

FSD

LGW

32h 07m

2 stops

10:10 am - 4:29 pm

LGW

FSD

36h 19m

1 stop

$965Multiple Airlines

Mon, Nov 2 - Wed, Nov 11

6:20 pm - 5:40 pm

FSD

LCY

17h 20m

2 stops

9:50 am - 8:15 pm

LCY

FSD

16h 25m

2 stops

$1,008Lufthansa

Mon, Nov 2 - Thu, Nov 12

5:25 am - 8:50 am

FSD

LCY

21h 25m

2 stops

8:40 am - 7:44 pm

LCY

FSD

17h 04m

2 stops

$1,167KLM

Sun, Nov 1 - Thu, Nov 12

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KLM flights from South Dakota to London

Our best KLM deals on South Dakota to London flight tickets

KLM

Nov 2

FSD5:25 amSioux Falls Joe Foss Field

24h 15m

1 stop

LHR11:40 amLondon Heathrow

Nov 11

LHR6:30 amLondon Heathrow

15h 20m

2 stops

FSD3:50 pmSioux Falls Joe Foss Field

$866

KLM

Aug 31

FSD5:30 amSioux Falls Joe Foss Field

18h 55m

1 stop

LHR6:25 amLondon Heathrow

Sep 9

LHR6:30 amLondon Heathrow

15h 16m

2 stops

FSD3:46 pmSioux Falls Joe Foss Field

$941

KLM

Aug 31

FSD5:30 amSioux Falls Joe Foss Field

18h 55m

1 stop

LHR6:25 amLondon Heathrow

Sep 9

LHR6:30 amLondon Heathrow

15h 16m

2 stops

FSD3:46 pmSioux Falls Joe Foss Field

$959

American Airlines flights from South Dakota to London

Our best American Airlines deals on South Dakota to London flight tickets

American Airlines

Oct 29

RAP4:58 pmRapid City

13h 02m

1 stop

LHR12:00 pmLondon Heathrow

Nov 3

LHR1:50 pmLondon Heathrow

14h 27m

1 stop

RAP9:17 pmRapid City

$952

American Airlines

Aug 5

RAP3:21 pmRapid City

13h 54m

1 stop

LHR12:15 pmLondon Heathrow

Aug 12

LHR10:05 amLondon Heathrow

18h 30m

1 stop

RAP9:35 pmRapid City

$988

American Airlines

Oct 3

FSD12:11 pmSioux Falls Joe Foss Field

17h 04m

1 stop

LHR11:15 amLondon Heathrow

Oct 10

LHR8:55 amLondon Heathrow

14h 27m

1 stop

FSD5:22 pmSioux Falls Joe Foss Field

$1,003

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 12/1

5:48 pm-9:40 am

1 stop32h 52m

London Heathrow

Fri 12/4

9:30 am-10:08 pm

2 stops19h 38m

$843

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 12/1

5:48 pm-9:40 am

1 stop32h 52m

London Heathrow

Fri 12/4

9:30 am-7:08 pm

2 stops16h 38m

$844

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 11/2

5:25 am-11:40 am

1 stop24h 15m

London Heathrow

Wed 11/11

6:30 am-3:50 pm

2 stops15h 20m

$866

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 10/29

11:30 am-7:05 am

1 stop13h 35m

London Heathrow

Tue 11/3

8:25 pm-3:46 pm

2 stops26h 21m

$924

Quickest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 8/23

4:28 pm-1:05 pm

1 stop14h 37m

London Heathrow

Thu 9/10

8:40 am-7:43 pm

2 stops17h 03m

$933

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 8/26

6:39 pm-6:40 pm

2 stops18h 01m

London Heathrow

Wed 9/9

9:00 am-11:12 pm

2 stops20h 12m

$934

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 10/29

4:00 pm-4:35 pm

2 stops18h 35m

London City

Tue 11/3

7:45 am-10:39 pm

2 stops21h 54m

$952

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Mon 11/2

8:48 pm-10:55 am

2 stops32h 07m

London Gatwick

Wed 11/11

10:10 am-4:29 pm

1 stop36h 19m

$965

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Mon 11/2

6:20 pm-5:40 pm

2 stops17h 20m

London City

Thu 11/12

9:50 am-8:15 pm

2 stops16h 25m

$1,008

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sun 11/1

5:25 am-8:50 am

2 stops21h 25m

London City

Thu 11/12

8:40 am-7:44 pm

2 stops17h 04m

$1,167

Flights are sorted by cheapest round-trip 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

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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 $511, 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 $591.

Can stopping save me money on South Dakota to London flights?

You could potentially save up to 7% on your flight if you consider stops on a South Dakota to London flight.

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 updated daily.
How many operators does momondo search for flights from South Dakota to London?
There are 2 operators available for flights from South Dakota to London as of June 2026.
How old do you have to be to fly from South Dakota to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.

Best airlines flying from South Dakota to London

Compare and see reviews for airlines that fly from South Dakota to London with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $654	Free Cancellation	Rating 7.4 9,896 reviews		Search United Airlines flights
American Airlines	PriceFrom $658	Free Cancellation	Rating 7.1 11,779 reviews		Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Harrow

Slough

Watford

Cobham

Brentwood

Guildford

Ilford

Folkestone

Uxbridge

Romford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from South Dakota.

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

Yes. momondo allows you to filter the results for South Dakota to London flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between South Dakota 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 South Dakota to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for South Dakota to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from South Dakota to London from $843

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to London departing on 12/1. 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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KLM flights from South Dakota to London

Our best KLM deals on South Dakota to London flight tickets

American Airlines flights from South Dakota to London

Our best American Airlines deals on South Dakota to London flight tickets

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

What is the cheapest month to fly to London?

Can stopping save me money on South Dakota to London flights?

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

Best airlines flying from South Dakota to London

Compare and see reviews for airlines that fly from South Dakota to London with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize 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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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

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