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 11h 35m and 15h 14m, respectively.

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

Iberia, United Airlines, and Aer Lingus 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 May 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.

$345 Cheap Flights from South Dakota to London in 2026

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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.

1:00 pm - 10:50 am

RAP

LHR

15h 50m

2 stops

9:30 am - 8:33 pm

LHR

RAP

17h 03m

2 stops

$825United Airlines

Mon, Oct 26 - Wed, Oct 28

10:18 am - 6:20 am

RAP

LHR

13h 02m

1 stop

8:25 am - 9:58 pm

LHR

RAP

19h 33m

2 stops

$870American Airlines

Wed, Oct 21 - Tue, Oct 27

12:41 pm - 10:55 am

RAP

LHR

15h 14m

1 stop

12:55 pm - 9:35 pm

LHR

RAP

15h 40m

1 stop

$907Multiple Airlines

Wed, Aug 12 - Wed, Aug 26

12:41 pm - 10:55 am

RAP

LHR

15h 14m

1 stop

12:55 pm - 9:35 pm

LHR

RAP

15h 40m

1 stop

$908Multiple Airlines

Wed, Aug 12 - Wed, Aug 26

12:30 pm - 10:50 am

FSD

LHR

16h 20m

1 stop

7:50 am - 11:51 pm

LHR

FSD

22h 01m

2 stops

$924Iberia

Sat, Sep 12 - Tue, Sep 22

11:30 am - 1:05 pm

RAP

LHR

18h 35m

1 stop

6:30 am - 10:39 pm

LHR

RAP

22h 09m

2 stops

$939Delta

Sun, Oct 18 - Fri, Oct 30

6:00 pm - 10:50 am

FSD

LHR

10h 50m

1 stop

2:45 pm - 11:51 pm

LHR

FSD

15h 06m

1 stop

$958Iberia

Sat, Sep 12 - Tue, Sep 22

11:30 am - 9:30 am

RAP

LCY

15h 00m

2 stops

10:00 am - 10:39 pm

LCY

RAP

18h 39m

2 stops

$969Delta

Wed, Oct 21 - Fri, Oct 30

11:30 am - 8:50 am

RAP

LCY

14h 20m

2 stops

8:05 pm - 10:39 pm

LCY

RAP

32h 34m

2 stops

$1,003KLM

Tue, Oct 20 - Mon, Oct 26

11:30 am - 8:50 am

RAP

LCY

14h 20m

2 stops

8:05 pm - 10:39 pm

LCY

RAP

32h 34m

2 stops

$1,053KLM

Thu, Oct 22 - Mon, Oct 26

United Airlines flights from South Dakota to London

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

United Airlines

Oct 26

RAP1:00 pmRapid City

15h 50m

2 stops

LHR10:50 amLondon Heathrow

Oct 28

LHR9:30 amLondon Heathrow

17h 03m

2 stops

RAP8:33 pmRapid City

$825

United Airlines

Oct 25

RAP7:05 amRapid City

20h 35m

1 stop

LHR9:40 amLondon Heathrow

Oct 27

LHR7:30 amLondon Heathrow

19h 03m

2 stops

RAP8:33 pmRapid City

$904

United Airlines

Oct 24

RAP5:47 pmRapid City

33h 53m

1 stop

LHR10:40 amLondon Heathrow

Oct 27

LHR9:30 amLondon Heathrow

17h 03m

2 stops

RAP8:33 pmRapid City

$909

American Airlines flights from South Dakota to London

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

American Airlines

Oct 21

RAP10:18 amRapid City

13h 02m

1 stop

LHR6:20 amLondon Heathrow

Oct 27

LHR8:25 amLondon Heathrow

19h 33m

2 stops

RAP9:58 pmRapid City

$870

American Airlines

Aug 12

RAP12:19 pmRapid City

11h 31m

1 stop

LHR6:50 amLondon Heathrow

Aug 26

LHR9:45 amLondon Heathrow

18h 50m

2 stops

RAP9:35 pmRapid City

$912

American Airlines

Aug 12

RAP12:41 pmRapid City

13h 19m

1 stop

LHR9:00 amLondon Heathrow

Aug 26

LHR10:30 amLondon Heathrow

18h 05m

2 stops

RAP9:35 pmRapid City

$913

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 10/26

1:00 pm-10:50 am

2 stops15h 50m

London Heathrow

Wed 10/28

9:30 am-8:33 pm

2 stops17h 03m

$825

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/21

10:18 am-6:20 am

1 stop13h 02m

London Heathrow

Tue 10/27

8:25 am-9:58 pm

2 stops19h 33m

$870

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

12:41 pm-10:55 am

1 stop15h 14m

London Heathrow

Wed 8/26

12:55 pm-9:35 pm

1 stop15h 40m

$907

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

12:41 pm-10:55 am

1 stop15h 14m

London Heathrow

Wed 8/26

12:55 pm-9:35 pm

1 stop15h 40m

$908

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 9/12

12:30 pm-10:50 am

1 stop16h 20m

London Heathrow

Tue 9/22

7:50 am-11:51 pm

2 stops22h 01m

$924

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 10/18

11:30 am-1:05 pm

1 stop18h 35m

London Heathrow

Fri 10/30

6:30 am-10:39 pm

2 stops22h 09m

$939

Quickest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 9/12

6:00 pm-10:50 am

1 stop10h 50m

London Heathrow

Tue 9/22

2:45 pm-11:51 pm

1 stop15h 06m

$958

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 10/21

11:30 am-9:30 am

2 stops15h 00m

London City

Fri 10/30

10:00 am-10:39 pm

2 stops18h 39m

$969

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Tue 10/20

11:30 am-8:50 am

2 stops14h 20m

London City

Mon 10/26

8:05 pm-10:39 pm

2 stops32h 34m

$1,003

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 10/22

11:30 am-8:50 am

2 stops14h 20m

London City

Mon 10/26

8:05 pm-10:39 pm

2 stops32h 34m

$1,053

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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

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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 26% 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	11h 35m
Direct flights	None

The fastest flight from South Dakota to London takes 11h 35m

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 May 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 9,701 reviews		Search United Airlines flights
American Airlines	PriceFrom $658	Free Cancellation	Rating 7.1 11,667 reviews		Search American Airlines flights

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Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Stansted

Watford

Croydon

Brentwood

Dartford

Cobham

Folkestone

Romford

Harrow

Uxbridge

Guildford

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 $345

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to London departing on 8/15. 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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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

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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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