How long does it take to fly to London Heathrow Airport?

On average, it takes 12h 30m to fly from South Dakota to London Heathrow Airport if you fly out of Sioux Falls (the most popular airport in South Dakota) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Rapid City and into London Heathrow Airport, then the flight time is around 15h 55m.

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

Lufthansa and United Airlines are the most popular carriers operating from South Dakota to London Heathrow

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

As of February 2026, there are 2 operators available to choose from for flights from South Dakota to London Heathrow Airport.

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

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 Heathrow Airport.

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

The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$398 Cheap Flights from South Dakota to London Heathrow Airport in 2026

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Find the cheapest flights from South Dakota to London

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:43 am - 7:55 am

FSD

LHR

18h 12m

1 stop

7:40 am - 8:40 pm

LHR

FSD

18h 00m

2 stops

$635United Airlines

Thu, Mar 5 - Mon, Mar 9

7:43 am - 10:50 am

FSD

LHR

21h 07m

2 stops

7:40 am - 8:40 pm

LHR

FSD

18h 00m

2 stops

$639United Airlines

Thu, Mar 5 - Mon, Mar 9

7:43 am - 5:55 am

FSD

LHR

17h 12m

1 stop

7:30 am - 10:02 pm

LHR

FSD

19h 32m

2 stops

$646United Airlines

Wed, Mar 18 - Wed, Mar 25

6:00 am - 8:35 am

FSD

LHR

20h 35m

2 stops

6:50 am - 5:44 pm

LHR

FSD

16h 54m

2 stops

$649United Airlines

Wed, Apr 1 - Wed, Apr 22

1:34 pm - 7:50 am

FSD

LHR

13h 16m

2 stops

11:05 am - 7:20 pm

LHR

FSD

13h 15m

1 stop

$666Delta

Mon, Mar 9 - Thu, Mar 19

11:01 am - 6:50 am

FSD

LHR

14h 49m

2 stops

11:05 am - 11:04 pm

LHR

FSD

16h 59m

1 stop

$668Virgin Atlantic

Thu, Mar 19 - Thu, Mar 26

2:06 pm - 9:05 am

FSD

LHR

12h 59m

1 stop

11:10 am - 7:09 pm

LHR

FSD

13h 59m

1 stop

$679Multiple Airlines

Wed, Apr 1 - Wed, Apr 22

2:21 pm - 12:15 pm

RAP

LHR

14h 54m

1 stop

2:45 pm - 10:36 pm

LHR

RAP

14h 51m

1 stop

$1,217Multiple Airlines

Wed, Mar 4 - Fri, Mar 6

5:31 am - 6:15 am

RAP

LHR

17h 44m

2 stops

2:45 pm - 10:36 pm

LHR

RAP

14h 51m

1 stop

$1,222American Airlines

Wed, Mar 4 - Fri, Mar 6

6:00 am - 7:05 am

RAP

LHR

19h 05m

1 stop

11:05 am - 10:25 pm

LHR

RAP

17h 20m

1 stop

$1,259Virgin Atlantic

Fri, Mar 20 - Fri, Mar 27

Virgin Atlantic flights from South Dakota to London Heathrow Airport

Our best Virgin Atlantic deals on South Dakota to London Heathrow Airport flight tickets

Virgin Atlantic

Mar 19

FSD11:01 amSioux Falls Joe Foss Field

14h 49m

2 stops

LHR6:50 amLondon Heathrow

Mar 26

LHR11:05 amLondon Heathrow

16h 59m

1 stop

FSD11:04 pmSioux Falls Joe Foss Field

$668

Virgin Atlantic

Mar 19

FSD11:01 amSioux Falls Joe Foss Field

14h 49m

2 stops

LHR6:50 amLondon Heathrow

Mar 26

LHR9:40 amLondon Heathrow

14h 40m

2 stops

FSD7:20 pmSioux Falls Joe Foss Field

$743

Virgin Atlantic

Mar 20

RAP6:00 amRapid City

19h 05m

1 stop

LHR7:05 amLondon Heathrow

Mar 27

LHR11:05 amLondon Heathrow

17h 20m

1 stop

RAP10:25 pmRapid City

$1,259

Delta flights from South Dakota to London Heathrow Airport

Our best Delta deals on South Dakota to London Heathrow Airport flight tickets

Delta

Mar 5

FSD8:05 amSioux Falls Joe Foss Field

17h 00m

1 stop

LHR7:05 amLondon Heathrow

Mar 25

LHR11:05 amLondon Heathrow

28h 16m

1 stop

FSD10:21 amSioux Falls Joe Foss Field

$662

Delta

Mar 9

FSD1:34 pmSioux Falls Joe Foss Field

13h 16m

2 stops

LHR7:50 amLondon Heathrow

Mar 19

LHR11:05 amLondon Heathrow

13h 15m

1 stop

FSD7:20 pmSioux Falls Joe Foss Field

$666

Delta

Mar 22

FSD1:34 pmSioux Falls Joe Foss Field

12h 31m

1 stop

LHR7:05 amLondon Heathrow

Apr 1

LHR9:55 amLondon Heathrow

19h 09m

2 stops

FSD11:04 pmSioux Falls Joe Foss Field

$687

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 3/5

7:43 am-7:55 am

1 stop18h 12m

London Heathrow

Mon 3/9

7:40 am-8:40 pm

2 stops18h 00m

$635

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 3/5

7:43 am-10:50 am

2 stops21h 07m

London Heathrow

Mon 3/9

7:40 am-8:40 pm

2 stops18h 00m

$639

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 3/18

7:43 am-5:55 am

1 stop17h 12m

London Heathrow

Wed 3/25

7:30 am-10:02 pm

2 stops19h 32m

$646

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/1

6:00 am-8:35 am

2 stops20h 35m

London Heathrow

Wed 4/22

6:50 am-5:44 pm

2 stops16h 54m

$649

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 3/9

1:34 pm-7:50 am

2 stops13h 16m

London Heathrow

Thu 3/19

11:05 am-7:20 pm

1 stop13h 15m

$666

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 3/19

11:01 am-6:50 am

2 stops14h 49m

London Heathrow

Thu 3/26

11:05 am-11:04 pm

1 stop16h 59m

$668

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/1

2:06 pm-9:05 am

1 stop12h 59m

London Heathrow

Wed 4/22

11:10 am-7:09 pm

1 stop13h 59m

$679

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 3/4

2:21 pm-12:15 pm

1 stop14h 54m

London Heathrow

Fri 3/6

2:45 pm-10:36 pm

1 stop14h 51m

$1,217

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 3/4

5:31 am-6:15 am

2 stops17h 44m

London Heathrow

Fri 3/6

2:45 pm-10:36 pm

1 stop14h 51m

$1,222

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 3/20

6:00 am-7:05 am

1 stop19h 05m

London Heathrow

Fri 3/27

11:05 am-10:25 pm

1 stop17h 20m

$1,259

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

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 Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from South Dakota, with most prices found around $658. If you’re not able to fly to London Heathrow Airport in February, then August is your next best option. Flight prices from South Dakota to London Heathrow Airport during August average around $683.

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

You could potentially save up to 10% on your flight if you consider stops on a South Dakota to London Heathrow Airport flight.

Cheap South Dakota to London Heathrow Airport flight deals and tips

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

Fastest flight time	12h 30m
Direct flights	None

The fastest flight from South Dakota to London Heathrow Airport takes 12h 30m

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

Search flight deals

When did momondo last update prices for flights from South Dakota to London Heathrow Airport?
Prices for flights from South Dakota to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from South Dakota to London Heathrow Airport?
As of February 2026, there are 2 operators available to choose from for flights from South Dakota to London Heathrow Airport.
How old do you have to be to fly from South Dakota to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from South Dakota to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $658	Free Cancellation	Rating 7.2 11,222 reviews		Search American Airlines flights
United Airlines	PriceFrom $695	Free Cancellation	Rating 7.4 9,236 reviews		Search United Airlines flights

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Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Stratford-upon-Avon

Hayes

Croydon

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Why use momondo?

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

Finding the right flight to London from South Dakota 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 South Dakota to London with flexible booking policies on momondo?

Flights from South Dakota 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 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?

Yes momondo offers price alerts on flights to London from South Dakota. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Heathrow Airport 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.

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Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $333

Flights to London City Airportfrom $472

Flights to London Stansted Airportfrom $336

Flights to London Luton Airportfrom $341

Flights to Glasgow Intl Airportfrom $359

Flights to Belfast Intl Airportfrom $465

Flights to London Southend Airportfrom $449

Flights to Belfast City Airportfrom $451

Cheap flights from South Dakota to London from $398

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 3/22. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from South Dakota to London

Cheap round-trip flights

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Virgin Atlantic flights from South Dakota to London Heathrow Airport

Our best Virgin Atlantic deals on South Dakota to London Heathrow Airport flight tickets

Delta flights from South Dakota to London Heathrow Airport

Our best Delta deals on South Dakota to London Heathrow Airport flight tickets

momondo Fare Finder

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

See travel insights to London from

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

What is the cheapest month to fly to London Heathrow Airport?

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

You could potentially save up to 10% on your flight if you consider stops on a South Dakota to London Heathrow Airport flight.

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

Lufthansa and United Airlines are the most popular carriers operating from South Dakota to London Heathrow

How long does it take to fly to London Heathrow Airport?

Cheap South Dakota to London Heathrow Airport flight deals and tips

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

Fastest flight time

Direct flights

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

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

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

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

Best airlines flying from South Dakota to London Heathrow Airport

Compare and see reviews for airlines that fly from South Dakota to London Heathrow Airport 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 Heathrow Airport 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 London

Popular cities in the United Kingdom

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According to popular flight searches on momondo this year

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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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