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Cheap flights from Rapid City to London from £290

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to London departing on 31/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Rapid City to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:08 - 09:40
RAP
-
LHR
15h 32m
1 stop
United Airlines Logo
07:30 - 19:25
LHR
-
RAP
18h 55m
2 stops
£630United Airlines
Wed, 12 Aug - Wed, 26 Aug
United Airlines Logo
07:00 - 06:30
RAP
-
LHR
16h 30m
2 stops
United Airlines Logo
07:30 - 16:05
LHR
-
RAP
15h 35m
2 stops
£633United Airlines
Wed, 12 Aug - Wed, 26 Aug
United Airlines Logo
05:00 - 06:30
RAP
-
LHR
18h 30m
2 stops
United Airlines Logo
17:40 - 12:24
LHR
-
RAP
25h 44m
2 stops
£635United Airlines
Tue, 1 Sep - Fri, 11 Sep
American Airlines Logo
16:58 - 14:25
RAP
-
LHR
14h 27m
1 stop
American Airlines Logo
12:55 - 21:58
LHR
-
RAP
16h 03m
1 stop
£644American Airlines
Wed, 12 Aug - Wed, 26 Aug
United Airlines Logo
07:00 - 06:30
RAP
-
LHR
16h 30m
2 stops
United Airlines Logo
14:50 - 22:23
LHR
-
RAP
14h 33m
1 stop
£647United Airlines
Tue, 1 Sep - Fri, 11 Sep
American Airlines Logo
13:00 - 09:05
RAP
-
LHR
13h 05m
1 stop
American Airlines Logo
08:55 - 21:58
LHR
-
RAP
20h 03m
1 stop
£666American Airlines
Tue, 1 Sep - Fri, 11 Sep
Delta Logo
06:20 - 07:15
RAP
-
LCY
17h 55m
2 stops
Delta Logo
07:45 - 15:10
LCY
-
RAP
14h 25m
2 stops
£778Delta
Wed, 12 Aug - Wed, 26 Aug
Delta Logo
06:20 - 07:15
RAP
-
LCY
17h 55m
2 stops
Delta Logo
07:45 - 21:58
LCY
-
RAP
21h 13m
2 stops
£782Delta
Wed, 12 Aug - Wed, 26 Aug
KLM Logo
16:28 - 08:50
RAP
-
LCY
33h 22m
2 stops
KLM Logo
07:45 - 13:41
LCY
-
RAP
36h 56m
2 stops
£1,080KLM
Thu, 23 Jul - Tue, 28 Jul
Multiple Airlines Logo
16:28 - 08:50
RAP
-
LCY
33h 22m
2 stops
Multiple Airlines Logo
20:15 - 22:27
LCY
-
RAP
33h 12m
2 stops
£1,178Multiple Airlines
Thu, 23 Jul - Tue, 28 Jul

United Airlines flights from Rapid City to London

Our best United Airlines deals on Rapid City to London 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
£630
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
£633
United Airlines
1 Sept
RAP05:00Rapid City
18h 30m
2 stops
LHR06:30London Heathrow
11 Sept
LHR17:40London Heathrow
25h 44m
2 stops
RAP12:24Rapid City
£635

American Airlines flights from Rapid City to London

Our best American Airlines deals on Rapid City to London flight tickets
American Airlines
12 Aug
RAP16:58Rapid City
14h 27m
1 stop
LHR14:25London Heathrow
26 Aug
LHR12:55London Heathrow
16h 03m
1 stop
RAP21:58Rapid City
£644
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
£666

momondo Fare Finder

 
Customise your flight search to find flights from Rapid City to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 29 March 2026.
Use the filters below to find and compare flights from Rapid City to London 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

£630

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

£633

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

£635
Fastest return journey

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

16:58-14:25

1 stop14h 27m

London Heathrow

Wed 26/8

12:55-21:58

1 stop16h 03m

£644

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

£647

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

£666

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 12/8

06:20-07:15

2 stops17h 55m

London City

Wed 26/8

07:45-15:10

2 stops14h 25m

£778

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 12/8

06:20-07:15

2 stops17h 55m

London City

Wed 26/8

07:45-21:58

2 stops21h 13m

£782

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 23/7

16:28-08:50

2 stops33h 22m

London City

Tue 28/7

07:45-13:41

2 stops36h 56m

£1,080

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 23/7

16:28-08:50

2 stops33h 22m

London City

Tue 28/7

20:15-22:27

2 stops33h 12m

£1,178

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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 typical price of a round-trip flight between Rapid City and London?

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 return 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

Fastest flight time

12h 45m

Direct flights

None
The fastest flight from Rapid City to London takes 12h 45m
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?

    A flight from Rapid City to London will travel around 4398.4 mi. By plane, this route typically takes 12h 45m.

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

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

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

  • 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.

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
United AirlinesPriceFrom £571Free CancellationRating
7.4
9,509 reviews
Search United Airlines flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Ipswich
Wembley
Canterbury
Ilford
Guildford
Hayes
Chelmsford
Dover
Folkestone
Ramsgate
Chichester
Bedford
Worthing

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rapid City to London for you.

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

momondo does allow users to show only those flights to London from Rapid City which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rapid City to London.

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.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport