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

Prices for flights from Rapid City Airport to London are refreshed on a daily basis.

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

The number of operators available for flights from Rapid City Airport to London is 2 as of November 2025.

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

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.

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

The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$676 Cheap Flights from Rapid City to London in 2025/26

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Find the cheapest flights from Rapid City to London

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Cheap round-trip flights

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5:10 am - 9:40 amRAP-LHR

22h 30m1 stop

2:05 pm - 10:53 amLHR-RAP

27h 48m2 stops

$869United Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

7:05 am - 9:40 amRAP-LHR

20h 35m1 stop

2:50 pm - 8:33 pmLHR-RAP

12h 43m1 stop

$892United Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

12:35 pm - 9:40 amRAP-LHR

15h 05m2 stops

8:25 am - 8:15 pmLHR-RAP

18h 50m2 stops

$981American Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

4:00 pm - 12:15 pmRAP-LCY

38h 15m2 stops

10:00 am - 10:14 pmLCY-RAP

43h 14m2 stops

$1,739Delta

Find Deal

Fri, Mar 27 - Tue, Mar 31

6:20 am - 8:10 amRAP-LCY

19h 50m2 stops

7:45 am - 10:14 pmLCY-RAP

21h 29m2 stops

$1,745Delta

Find Deal

Fri, Mar 27 - Tue, Mar 31

United Airlines flights from Rapid City to London

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

United Airlines

Mar 27

RAP5:10 amRapid City

22h 30m

1 stop

LHR9:40 amLondon Heathrow

Mar 31

LHR2:05 pmLondon Heathrow

27h 48m

2 stops

RAP10:53 amRapid City

$869

Find similar

United Airlines

Mar 27

RAP7:05 amRapid City

20h 35m

1 stop

LHR9:40 amLondon Heathrow

Mar 31

LHR2:50 pmLondon Heathrow

12h 43m

1 stop

RAP8:33 pmRapid City

$892

Find similar

Delta flights from Rapid City to London

Our best Delta deals on Rapid City to London flight tickets

Delta

Mar 27

RAP4:00 pmRapid City

38h 15m

2 stops

LCY12:15 pmLondon City

Mar 31

LCY10:00 amLondon City

43h 14m

2 stops

RAP10:14 pmRapid City

$1,739

Find similar

Delta

Mar 27

RAP6:20 amRapid City

19h 50m

2 stops

LCY8:10 amLondon City

Mar 31

LCY7:45 amLondon City

21h 29m

2 stops

RAP10:14 pmRapid City

$1,745

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 3/27

5:10 am-9:40 am

1 stop22h 30m

London Heathrow

Tue 3/31

2:05 pm-10:53 am

2 stops27h 48m

$869

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 3/27

7:05 am-9:40 am

1 stop20h 35m

London Heathrow

Tue 3/31

2:50 pm-8:33 pm

1 stop12h 43m

$892

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 3/27

12:35 pm-9:40 am

2 stops15h 05m

London Heathrow

Tue 3/31

8:25 am-8:15 pm

2 stops18h 50m

$981

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Fri 3/27

4:00 pm-12:15 pm

2 stops38h 15m

London City

Tue 3/31

10:00 am-10:14 pm

2 stops43h 14m

$1,739

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Fri 3/27

6:20 am-8:10 am

2 stops19h 50m

London City

Tue 3/31

7:45 am-10:14 pm

2 stops21h 29m

$1,745

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Rapid City 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?

The cheapest day to depart from Rapid City to London is on a Friday. Travelers who choose to depart for London on a Friday will often find tickets for as low as $772. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,104. 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 Rapid City in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $778 when looking at flights departing in the afternoon. Flights to London are more costly at noon, with an average ticket price of $1,111. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Rapid City to London flights?

You could potentially save up to 42% on your flight if you consider stops on a Rapid City to London flight.

When to book flights from Rapid City to London

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

Estimated round-trip price

Cheap Rapid City to London (RAP to LON) flight deals and tips

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

Direct flights	None

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

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How far is Rapid City to London by plane?
Rapid City and London are 4398.4 mi apart from one another. In terms of flight time, this usually takes a little over 15h 05m.
When did momondo last update prices for flights from Rapid City Airport to London?
Prices for flights from Rapid City Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from Rapid City Airport to London?
The number of operators available for flights from Rapid City Airport to London is 2 as of November 2025.
How old do you have to be to fly from Rapid City Airport to London?
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.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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. 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?
Based on momondo bookings for flights between Rapid City and London, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Rapid City to London

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $751	Free Cancellation	Rating 7.2 11,040 reviews		Search American Airlines flights
United Airlines	PriceFrom $787	Free Cancellation	Rating 7.4 9,002 reviews		Search United Airlines flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Chelmsford

Folkestone

Romford

Ilford

Cobham

Wembley

Stansted

Watford

Harrow

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?

Once you have performed a search for Rapid City to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from Rapid City. 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.