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

American Airlines, Iberia, 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?

On average, it takes 11h 07m 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 12h 58m.

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

As of November 2025, 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.

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

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Cheap round-trip flights

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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

2:51 pm - 7:05 amRAP-LHR

33h 14m1 stop

8:40 am - 10:39 pmLHR-RAP

20h 59m2 stops

$590Delta

Find Deal

Mon, Nov 17 - Wed, Nov 26

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

4:20 pm - 10:30 amFSD-LHR

12h 10m1 stop

11:30 am - 10:12 pmLHR-FSD

16h 42m2 stops

$1,900Iberia

Find Deal

Tue, May 5 - Thu, May 14

Delta flights from South Dakota to London Heathrow Airport

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

Our best United Airlines deals on South Dakota to London Heathrow Airport 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

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

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

2:51 pm-7:05 am

1 stop33h 14m

London Heathrow

Wed 11/26

8:40 am-10:39 pm

2 stops20h 59m

$590

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 - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 5/5

4:20 pm-10:30 am

1 stop12h 10m

London Heathrow

Thu 5/14

11:30 am-10:12 pm

2 stops16h 42m

$1,900

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Showing 1-10 of 16 resultsSorted by cheapest first

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

Airlines

Other information

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

The month of August is, on average, the cheapest month to fly to London Heathrow Airport from South Dakota, with most prices found around $681. If you’re not able to fly to London Heathrow Airport in August, then September is your next best option. Flight prices from South Dakota to London Heathrow Airport during September average around $773.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $740. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,261.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from South Dakota to London Heathrow Airport in the afternoon for as low as $836. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,094.

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

You could potentially save up to 17% 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

Direct flights	None

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 November 2025, 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
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

Stratford-upon-Avon

Crawley

Brentwood

Chelmsford

Salisbury

Wembley

Folkestone

Romford

Ilford

Cobham

Swindon

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 $320

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Flights to London Stansted Airportfrom $382

Flights to London Luton Airportfrom $384

Flights to Glasgow Intl Airportfrom $401

Flights to London Southend Airportfrom $403

Flights to Belfast Intl Airportfrom $509

Flights to Belfast City Airportfrom $509

South Dakota flight routes

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Flights from Sioux Falls Joe Foss Field to Denver Intl

Flights from Sioux Falls Joe Foss Field to Phoenix-Mesa Gateway

Flights from Sioux Falls Joe Foss Field to Orlando Sanford Intl

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.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from South Dakota to London

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Delta flights from South Dakota to London Heathrow Airport

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

United Airlines flights from South Dakota to London Heathrow Airport

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

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

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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

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

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $740. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,261.

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

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

You could potentially save up to 17% 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?

American Airlines, Iberia, 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

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

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