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

American Airlines, Iberia, and United Airlines are the most popular carriers operating from South Dakota to London

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 07m and 12h 58m, respectively.

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 November 2025.

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.

$224 Cheap Flights from South Dakota to London in 2025/26

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Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 7:05 amRAP-LHR

18h 00m1 stop

6:20 am - 3:45 pmLHR-RAP

16h 25m2 stops

$588Delta

Find Deal

Mon, Nov 17 - Tue, Nov 25

11:07 am - 7:05 amRAP-LHR

12h 58m1 stop

6:20 am - 3:45 pmLHR-RAP

16h 25m2 stops

$589Multiple Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

3:18 pm - 9:40 amRAP-LHR

11h 22m1 stop

11:35 am - 6:43 pmLHR-RAP

14h 08m1 stop

$696United Airlines

Find Deal

Mon, Nov 17 - Mon, Nov 24

1:52 pm - 9:40 amFSD-LHR

13h 48m1 stop

1:25 pm - 10:47 amLHR-FSD

27h 22m2 stops

$765United Airlines

Find Deal

Thu, Jan 1 - Wed, Jan 7

4:20 pm - 6:50 amFSD-LHR

32h 30m1 stop

1:25 pm - 10:12 pmLHR-FSD

14h 47m2 stops

$857American Airlines

Find Deal

Sat, Apr 18 - Tue, Apr 28

4:20 pm - 10:30 amFSD-LHR

12h 10m1 stop

6:15 am - 10:12 pmLHR-FSD

21h 57m2 stops

$861Iberia

Find Deal

Fri, Apr 10 - Mon, Apr 20

1:25 pm - 7:05 amFSD-LHR

11h 40m1 stop

10:45 am - 11:14 pmLHR-FSD

18h 29m1 stop

$865KLM

Find Deal

Thu, Jan 1 - Wed, Jan 7

4:20 pm - 7:20 amFSD-LHR

33h 00m1 stop

11:30 am - 10:12 pmLHR-FSD

16h 42m2 stops

$867American Airlines

Find Deal

Sat, Apr 25 - Tue, May 5

12:30 pm - 10:55 amFSD-LGW

16h 25m2 stops

8:40 pm - 10:12 pmLGW-FSD

31h 32m2 stops

$1,199Iberia

Find Deal

Fri, Apr 10 - Mon, Apr 20

1:25 pm - 8:10 amFSD-LCY

12h 45m2 stops

8:40 am - 7:30 pmLCY-FSD

16h 50m2 stops

$1,777KLM

Find Deal

Thu, Jan 1 - Wed, Jan 7

Delta flights from South Dakota to London

Our best Delta deals on South Dakota to London flight tickets

Delta

Nov 17

RAP6:05 amRapid City

18h 00m

1 stop

LHR7:05 amLondon Heathrow

Nov 25

LHR6:20 amLondon Heathrow

16h 25m

2 stops

RAP3:45 pmRapid City

$588

Find similar

Delta

Nov 17

RAP2:51 pmRapid City

33h 14m

1 stop

LHR7:05 amLondon Heathrow

Nov 26

LHR8:40 amLondon Heathrow

20h 59m

2 stops

RAP10:39 pmRapid City

$590

Find similar

Delta

Nov 17

RAP6:05 amRapid City

22h 35m

2 stops

LHR11:40 amLondon Heathrow

Nov 25

LHR6:20 amLondon Heathrow

16h 25m

2 stops

RAP3:45 pmRapid City

$593

Find similar

United Airlines flights from South Dakota to London

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

United Airlines

Nov 17

RAP3:18 pmRapid City

11h 22m

1 stop

LHR9:40 amLondon Heathrow

Nov 24

LHR11:35 amLondon Heathrow

14h 08m

1 stop

RAP6:43 pmRapid City

$696

Find similar

United Airlines

Jan 1

FSD1:52 pmSioux Falls Joe Foss Field

13h 48m

1 stop

LHR9:40 amLondon Heathrow

Jan 7

LHR1:25 pmLondon Heathrow

27h 22m

2 stops

FSD10:47 amSioux Falls Joe Foss Field

$765

Find similar

United Airlines

Nov 24

FSD8:57 amSioux Falls Joe Foss Field

14h 58m

2 stops

LHR5:55 amLondon Heathrow

Nov 25

LHR6:00 pmLondon Heathrow

33h 46m

2 stops

FSD9:46 pmSioux Falls Joe Foss Field

$838

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 11/17

6:05 am-7:05 am

1 stop18h 00m

London Heathrow

Tue 11/25

6:20 am-3:45 pm

2 stops16h 25m

$588

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 11/18

11:07 am-7:05 am

1 stop12h 58m

London Heathrow

Tue 11/25

6:20 am-3:45 pm

2 stops16h 25m

$589

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 11/17

3:18 pm-9:40 am

1 stop11h 22m

London Heathrow

Mon 11/24

11:35 am-6:43 pm

1 stop14h 08m

$696

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 1/1

1:52 pm-9:40 am

1 stop13h 48m

London Heathrow

Wed 1/7

1:25 pm-10:47 am

2 stops27h 22m

$765

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 4/18

4:20 pm-6:50 am

1 stop32h 30m

London Heathrow

Tue 4/28

1:25 pm-10:12 pm

2 stops14h 47m

$857

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 4/10

4:20 pm-10:30 am

1 stop12h 10m

London Heathrow

Mon 4/20

6:15 am-10:12 pm

2 stops21h 57m

$861

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 1/1

1:25 pm-7:05 am

1 stop11h 40m

London Heathrow

Wed 1/7

10:45 am-11:14 pm

1 stop18h 29m

$865

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 4/25

4:20 pm-7:20 am

1 stop33h 00m

London Heathrow

Tue 5/5

11:30 am-10:12 pm

2 stops16h 42m

$867

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Fri 4/10

12:30 pm-10:55 am

2 stops16h 25m

London Gatwick

Mon 4/20

8:40 pm-10:12 pm

2 stops31h 32m

$1,199

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Thu 1/1

1:25 pm-8:10 am

2 stops12h 45m

London City

Wed 1/7

8:40 am-7:30 pm

2 stops16h 50m

$1,777

Flights are sorted by cheapest round-trip flights first.

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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

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from South Dakota to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $789. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,512. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from South Dakota at noon is the least expensive time of day to depart. momondo users have found prices as low as $941 when looking at flights departing at noon. Flights to London are more costly in the morning, with an average ticket price of $1,148. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 17% 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

Direct flights	None

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

Search flight deals

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 November 2025.
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 $709	Free Cancellation	Rating 7.4 9,007 reviews		Search United Airlines flights
American Airlines	PriceFrom $750	Free Cancellation	Rating 7.2 11,040 reviews		Search American Airlines flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Chelmsford

Wembley

Folkestone

Romford

Ilford

Cobham

Stansted

Harrow

Watford

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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Find better results for your trip to the United Kingdom

Cheap flights from South Dakota to London from $224

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 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from South Dakota to London

Cheap round-trip flights

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Delta flights from South Dakota to London

Our best Delta deals on South Dakota to London flight tickets

United Airlines flights from South Dakota to London

Our best United 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

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 day to depart on your flight to London?

What is the cheapest time of day to depart on your flight to London?

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

You could potentially save up to 17% on your flight if you consider stops on a South Dakota to London flight.

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

American Airlines, Iberia, and United Airlines are the most popular carriers operating from South Dakota to London

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 07m and 12h 58m, respectively.

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

Direct flights

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

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

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

What documentation or ID do you need to fly 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?

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

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

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

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

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