How do I get Price Alerts for flights from Rapid City to London Heathrow Airport?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Rapid City from London Heathrow Airport . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Rapid City to London Heathrow Airport with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Rapid City Airport to London Heathrow Airport?

Prices for flights from Rapid City Airport to London Heathrow Airport were last updated today.

How many operators does momondo search for flights from Rapid City Airport to London Heathrow Airport?

There is 1 operator available for flights from Rapid City Airport to London Heathrow Airport as of March 2026.

How old do you have to be to fly from Rapid City Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to London Heathrow Airport.

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

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£626 Cheap Flights from Rapid City to London Heathrow Airport in 2026

1 adult

0 bags

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Find the cheapest flights from Rapid City to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:08 - 09:40

RAP

LHR

15h 32m

1 stop

07:30 - 19:25

LHR

RAP

18h 55m

2 stops

£626United Airlines

Wed, 12 Aug - Wed, 26 Aug

07:00 - 06:30

RAP

LHR

16h 30m

2 stops

07:30 - 19:25

LHR

RAP

18h 55m

2 stops

£629United Airlines

Wed, 12 Aug - Wed, 26 Aug

07:00 - 06:30

RAP

LHR

16h 30m

2 stops

07:30 - 16:05

LHR

RAP

15h 35m

2 stops

£629United Airlines

Wed, 12 Aug - Wed, 26 Aug

05:00 - 06:30

RAP

LHR

18h 30m

2 stops

17:40 - 12:24

LHR

RAP

25h 44m

2 stops

£631United Airlines

Tue, 1 Sep - Fri, 11 Sep

12:41 - 10:55

RAP

LHR

15h 14m

1 stop

12:55 - 21:58

LHR

RAP

16h 03m

1 stop

£640Multiple Airlines

Wed, 12 Aug - Wed, 26 Aug

05:00 - 06:30

RAP

LHR

18h 30m

2 stops

11:25 - 20:32

LHR

RAP

16h 07m

1 stop

£642United Airlines

Tue, 1 Sep - Fri, 11 Sep

07:00 - 06:30

RAP

LHR

16h 30m

2 stops

14:50 - 22:23

LHR

RAP

14h 33m

1 stop

£643United Airlines

Tue, 1 Sep - Fri, 11 Sep

07:00 - 12:20

RAP

LHR

22h 20m

1 stop

06:50 - 18:24

LHR

RAP

18h 34m

2 stops

£656United Airlines

Wed, 12 Aug - Wed, 26 Aug

07:00 - 06:30

RAP

LHR

16h 30m

2 stops

06:50 - 18:24

LHR

RAP

18h 34m

2 stops

£659United Airlines

Wed, 12 Aug - Wed, 26 Aug

13:00 - 09:05

RAP

LHR

13h 05m

1 stop

08:55 - 21:58

LHR

RAP

20h 03m

1 stop

£662American Airlines

Tue, 1 Sep - Fri, 11 Sep

United Airlines flights from Rapid City to London Heathrow Airport

Our best United Airlines deals on Rapid City to London Heathrow Airport flight tickets

United Airlines

12 Aug

RAP11:08Rapid City

15h 32m

1 stop

LHR09:40London Heathrow

26 Aug

LHR07:30London Heathrow

18h 55m

2 stops

RAP19:25Rapid City

£626

United Airlines

12 Aug

RAP07:00Rapid City

16h 30m

2 stops

LHR06:30London Heathrow

26 Aug

LHR07:30London Heathrow

18h 55m

2 stops

RAP19:25Rapid City

£629

United Airlines

12 Aug

RAP07:00Rapid City

16h 30m

2 stops

LHR06:30London Heathrow

26 Aug

LHR07:30London Heathrow

15h 35m

2 stops

RAP16:05Rapid City

£629

American Airlines flights from Rapid City to London Heathrow Airport

Our best American Airlines deals on Rapid City to London Heathrow Airport flight tickets

American Airlines

1 Sept

RAP13:00Rapid City

13h 05m

1 stop

LHR09:05London Heathrow

11 Sept

LHR08:55London Heathrow

20h 03m

1 stop

RAP21:58Rapid City

£662

American Airlines

9 Sept

RAP11:59Rapid City

14h 26m

1 stop

LHR09:25London Heathrow

26 Sept

LHR08:55London Heathrow

20h 03m

1 stop

RAP21:58Rapid City

£677

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

11:08-09:40

1 stop15h 32m

London Heathrow

Wed 26/8

07:30-19:25

2 stops18h 55m

£626

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

07:00-06:30

2 stops16h 30m

London Heathrow

Wed 26/8

07:30-19:25

2 stops18h 55m

£629

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

07:00-06:30

2 stops16h 30m

London Heathrow

Wed 26/8

07:30-16:05

2 stops15h 35m

£629

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/9

05:00-06:30

2 stops18h 30m

London Heathrow

Fri 11/9

17:40-12:24

2 stops25h 44m

£631

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

12:41-10:55

1 stop15h 14m

London Heathrow

Wed 26/8

12:55-21:58

1 stop16h 03m

£640

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/9

05:00-06:30

2 stops18h 30m

London Heathrow

Fri 11/9

11:25-20:32

1 stop16h 07m

£642

Fastest return journey

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/9

07:00-06:30

2 stops16h 30m

London Heathrow

Fri 11/9

14:50-22:23

1 stop14h 33m

£643

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

07:00-12:20

1 stop22h 20m

London Heathrow

Wed 26/8

06:50-18:24

2 stops18h 34m

£656

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

07:00-06:30

2 stops16h 30m

London Heathrow

Wed 26/8

06:50-18:24

2 stops18h 34m

£659

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/9

13:00-09:05

1 stop13h 05m

London Heathrow

Fri 11/9

08:55-21:58

1 stop20h 03m

£662

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Rapid City to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Rapid City to London Heathrow Airport (RAP to LHR) flight deals and tips

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

Fastest flight time	13h 32m
Direct flights	None

The fastest flight from Rapid City to London Heathrow Airport takes 13h 32m

There are no direct flights from Rapid City to London Heathrow Airport. There are no popular flight routes from Rapid City to London Heathrow Airport.

Search flight deals

How far is Rapid City to London Heathrow by plane?
The distance between Rapid City and London Heathrow is about 4388.5 mi. Flights usually cover this in 13h 32m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Rapid City Airport to London Heathrow Airport?
Prices for flights from Rapid City Airport to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Rapid City Airport to London Heathrow Airport?
There is 1 operator available for flights from Rapid City Airport to London Heathrow Airport as of March 2026.
How old do you have to be to fly from Rapid City Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Rapid City to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Rapid City to London Heathrow Airport is United Airlines, representing 100% of all bookings.

Best airlines flying from Rapid City to London Heathrow Airport

Compare and see reviews for airlines that fly from Rapid City to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom £568	Free Cancellation	Rating 7.4 9,491 reviews		Search United Airlines flights

How do I get Price Alerts for flights from Rapid City to London Heathrow Airport?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Rapid City from London Heathrow Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Rapid City to London Heathrow Airport with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Stratford-upon-Avon

Northampton

Swindon

Southend-on-Sea

Ipswich

Wembley

Canterbury

Ilford

Guildford

Poole

Hayes

Chelmsford

Dover

Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City 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 Rapid City.

Can I find flights from Rapid City to London with flexible booking policies on momondo?

Yes. All flights to London from Rapid City on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rapid City to London?

momondo helps you find the best flight between Rapid City 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 Rapid City to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Rapid City to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.