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

Delta is the most popular carrier operating from South Dakota to London Heathrow

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

On average, it takes 13h 25m to fly from South Dakota to London Heathrow Airport if you fly out of Rapid City (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 Sioux Falls and into London Heathrow Airport, then the flight time is around 16h 40m.

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

As of August 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.

$508 Cheap Flights from South Dakota to London Heathrow Airport in 2025

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Find the cheapest flights from South Dakota to London

Round-trip

One-way

Last minute

Cheap round-trip flights

5:05 am - 6:05 amRAP-LHR

18h 00m1 stop

6:20 am - 10:10 pmLHR-RAP

22h 50m2 stops

$620Delta

Find Deal

Sun, Nov 2 - Tue, Nov 25

12:56 pm - 1:10 pmFSD-LHR

18h 14m1 stop

11:30 am - 11:02 pmLHR-FSD

17h 32m2 stops

$620Delta

Find Deal

Mon, Sep 1 - Fri, Sep 12

6:00 pm - 9:40 amRAP-LHR

32h 40m1 stop

3:00 pm - 2:43 pmLHR-RAP

30h 43m2 stops

$625United Airlines

Find Deal

Mon, Nov 3 - Thu, Nov 27

2:30 pm - 1:10 pmFSD-LHR

16h 40m1 stop

1:05 pm - 11:02 pmLHR-FSD

15h 57m1 stop

$627KLM

Find Deal

Mon, Sep 1 - Fri, Sep 12

9:30 am - 12:20 pmFSD-LHR

20h 50m1 stop

8:40 am - 10:22 pmLHR-FSD

19h 42m2 stops

$630United Airlines

Find Deal

Wed, Oct 1 - Wed, Oct 8

5:30 am - 7:15 amFSD-LHR

19h 45m1 stop

12:25 pm - 10:44 pmLHR-FSD

16h 19m1 stop

$677Virgin Atlantic

Find Deal

Thu, Sep 25 - Tue, Sep 30

6:04 pm - 1:10 pmFSD-LHR

13h 06m1 stop

11:30 am - 11:46 pmLHR-FSD

18h 16m2 stops

$720Virgin Atlantic

Find Deal

Fri, Aug 22 - Sat, Aug 30

11:20 am - 4:40 pmFSD-LHR

23h 20m2 stops

1:30 pm - 5:29 pmLHR-FSD

33h 59m2 stops

$723Lufthansa

Find Deal

Mon, Sep 1 - Fri, Sep 12

10:59 am - 1:10 pmFSD-LHR

20h 11m1 stop

9:20 am - 11:06 pmLHR-FSD

19h 46m1 stop

$727KLM

Find Deal

Fri, Aug 22 - Sat, Aug 30

1:58 pm - 12:20 pmFSD-LHR

16h 22m1 stop

8:30 am - 10:22 pmLHR-FSD

19h 52m1 stop

$1,700Lufthansa

Find Deal

Wed, Oct 1 - Wed, Oct 8

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 3

RAP6:00 pmRapid City

32h 40m

1 stop

LHR9:40 amLondon Heathrow

Nov 27

LHR3:00 pmLondon Heathrow

30h 43m

2 stops

RAP2:43 pmRapid City

$625

Find similar

United Airlines

Oct 1

FSD9:30 amSioux Falls Joe Foss Field

20h 50m

1 stop

LHR12:20 pmLondon Heathrow

Oct 8

LHR8:40 amLondon Heathrow

19h 42m

2 stops

FSD10:22 pmSioux Falls Joe Foss Field

$630

Find similar

United Airlines

Sep 10

RAP5:59 pmRapid City

11h 21m

1 stop

LHR12:20 pmLondon Heathrow

Sep 17

LHR3:50 pmLondon Heathrow

31h 12m

2 stops

RAP4:02 pmRapid City

$632

Find similar

Delta flights from South Dakota to London Heathrow Airport

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

Delta

Nov 2

RAP5:05 amRapid City

18h 00m

1 stop

LHR6:05 amLondon Heathrow

Nov 25

LHR6:20 amLondon Heathrow

22h 50m

2 stops

RAP10:10 pmRapid City

$620

Find similar

Delta

Nov 2

RAP5:05 amRapid City

19h 40m

2 stops

LHR7:45 amLondon Heathrow

Nov 25

LHR6:20 amLondon Heathrow

22h 50m

2 stops

RAP10:10 pmRapid City

$624

Find similar

Delta

Nov 2

RAP5:05 amRapid City

18h 00m

1 stop

LHR6:05 amLondon Heathrow

Nov 25

LHR11:05 amLondon Heathrow

18h 05m

1 stop

RAP10:10 pmRapid City

$627

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

Sun 11/2

5:05 am-6:05 am

1 stop18h 00m

London Heathrow

Tue 11/25

6:20 am-10:10 pm

2 stops22h 50m

$620

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/1

12:56 pm-1:10 pm

1 stop18h 14m

London Heathrow

Fri 9/12

11:30 am-11:02 pm

2 stops17h 32m

$620

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 11/3

6:00 pm-9:40 am

1 stop32h 40m

London Heathrow

Thu 11/27

3:00 pm-2:43 pm

2 stops30h 43m

$625

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/1

2:30 pm-1:10 pm

1 stop16h 40m

London Heathrow

Fri 9/12

1:05 pm-11:02 pm

1 stop15h 57m

$627

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 10/1

9:30 am-12:20 pm

1 stop20h 50m

London Heathrow

Wed 10/8

8:40 am-10:22 pm

2 stops19h 42m

$630

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 9/25

5:30 am-7:15 am

1 stop19h 45m

London Heathrow

Tue 9/30

12:25 pm-10:44 pm

1 stop16h 19m

$677

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 8/22

6:04 pm-1:10 pm

1 stop13h 06m

London Heathrow

Sat 8/30

11:30 am-11:46 pm

2 stops18h 16m

$720

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 9/1

11:20 am-4:40 pm

2 stops23h 20m

London Heathrow

Fri 9/12

1:30 pm-5:29 pm

2 stops33h 59m

$723

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 8/22

10:59 am-1:10 pm

1 stop20h 11m

London Heathrow

Sat 8/30

9:20 am-11:06 pm

1 stop19h 46m

$727

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 10/1

1:58 pm-12:20 pm

1 stop16h 22m

London Heathrow

Wed 10/8

8:30 am-10:22 pm

1 stop19h 52m

$1,700

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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 November is your next best option. Flight prices from South Dakota to London Heathrow Airport during November average around $766.

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 5% 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

Best Price Found	$508
Fastest flight time	10h 40m
Direct flights	None

The best one-way flight to London Heathrow Airport from South Dakota in the past 72 hours is $508. The best round-trip flight deal from South Dakota to London Heathrow Airport found on momondo in the last 72 hours is $620.

The fastest flight from South Dakota to London Heathrow Airport takes 10h 40m

There are no direct flights from South Dakota to London Heathrow Airport. Popular non-direct routes for this connection are Sioux Falls Joe Foss Field Airport - London Heathrow Airport and Rapid City Airport - 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 August 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
American Airlines	PriceFrom $724	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $787	Free Cancellation	Rating 7.4 8,917 reviews		Search United Airlines flights

Gatwick

Hounslow

Dover

Slough

Luton

Guildford

Milton Keynes

Dartford

Crawley

Hayes

Chelmsford

Stansted

Salisbury

Ilford

Brentwood

Colchester

Stratford-upon-Avon

Folkestone

Swindon

Watford

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 $361

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Flights to London Stansted Airportfrom $414

Flights to London Luton Airportfrom $429

Flights to London Southend Airportfrom $512

Flights to Glasgow Intl Airportfrom $417

Flights to Belfast Intl Airportfrom $475

Flights to Belfast City Airportfrom $498

Cheap flights from South Dakota to London from $508

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 10/2. 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

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Find the cheapest flights from South Dakota to London

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from South Dakota to London Heathrow Airport

Our best United Airlines 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

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 5% 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?

Delta is the most popular carrier 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

Best Price Found

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

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