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Cheap flights from Rapid City to London from £671

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to London departing on 12/8. 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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:19 - 11:15
RAP
-
LHR
15h 56m
1 stop
Multiple Airlines Logo
12:55 - 21:35
LHR
-
RAP
15h 40m
1 stop
£671Multiple Airlines
Wed, 12 Aug - Wed, 26 Aug
Multiple Airlines Logo
12:19 - 11:15
RAP
-
LHR
15h 56m
1 stop
Multiple Airlines Logo
12:55 - 21:35
LHR
-
RAP
15h 40m
1 stop
£671Multiple Airlines
Wed, 12 Aug - Wed, 26 Aug
American Airlines Logo
17:02 - 14:25
RAP
-
LHR
14h 23m
1 stop
American Airlines Logo
10:05 - 21:35
LHR
-
RAP
18h 30m
2 stops
£674American Airlines
Wed, 12 Aug - Wed, 26 Aug
American Airlines Logo
12:41 - 09:00
RAP
-
LHR
13h 19m
1 stop
American Airlines Logo
10:05 - 21:35
LHR
-
RAP
18h 30m
2 stops
£675American Airlines
Wed, 12 Aug - Wed, 26 Aug
United Airlines Logo
13:00 - 09:40
RAP
-
LHR
13h 40m
1 stop
United Airlines Logo
11:25 - 19:20
LHR
-
RAP
14h 55m
1 stop
£716United Airlines
Sun, 18 Oct - Thu, 22 Oct
United Airlines Logo
08:55 - 06:55
RAP
-
LHR
15h 00m
2 stops
United Airlines Logo
08:00 - 17:53
LHR
-
RAP
16h 53m
2 stops
£719United Airlines
Wed, 12 Aug - Wed, 26 Aug
United Airlines Logo
10:26 - 09:20
RAP
-
LHR
15h 54m
2 stops
United Airlines Logo
08:00 - 17:53
LHR
-
RAP
16h 53m
2 stops
£719United Airlines
Wed, 12 Aug - Wed, 26 Aug
Multiple Airlines Logo
12:41 - 10:55
RAP
-
LHR
15h 14m
1 stop
Multiple Airlines Logo
12:55 - 21:35
LHR
-
RAP
15h 40m
1 stop
£745Multiple Airlines
Fri, 21 Aug - Mon, 31 Aug
Delta Logo
06:48 - 08:50
RAP
-
LCY
19h 02m
2 stops
Delta Logo
07:45 - 22:37
LCY
-
RAP
21h 52m
2 stops
£775Delta
Wed, 12 Aug - Wed, 26 Aug
Delta Logo
06:48 - 08:50
RAP
-
LCY
19h 02m
2 stops
Delta Logo
09:20 - 21:58
LCY
-
RAP
19h 38m
2 stops
£790Delta
Fri, 21 Aug - Mon, 31 Aug

United Airlines flights from Rapid City to London

Our best United Airlines deals on Rapid City to London flight tickets
United Airlines
18 Oct
RAP13:00Rapid City
13h 40m
1 stop
LHR09:40London Heathrow
20 Oct
LHR11:25London Heathrow
16h 19m
1 stop
RAP20:44Rapid City
£716
United Airlines
12 Aug
RAP08:55Rapid City
15h 00m
2 stops
LHR06:55London Heathrow
26 Aug
LHR08:00London Heathrow
16h 53m
2 stops
RAP17:53Rapid City
£719
United Airlines
12 Aug
RAP13:31Rapid City
14h 09m
2 stops
LHR10:40London Heathrow
26 Aug
LHR12:00London Heathrow
17h 28m
2 stops
RAP22:28Rapid City
£719

Delta flights from Rapid City to London

Our best Delta deals on Rapid City to London flight tickets
Delta
21 Aug
RAP06:48Rapid City
16h 37m
2 stops
LHR06:25London Heathrow
31 Aug
LHR08:40London Heathrow
20h 18m
2 stops
RAP21:58Rapid City
£771
Delta
21 Aug
RAP06:48Rapid City
17h 22m
2 stops
LHR07:10London Heathrow
31 Aug
LHR08:40London Heathrow
20h 18m
2 stops
RAP21:58Rapid City
£772
Delta
12 Aug
RAP06:48Rapid City
19h 02m
2 stops
LCY08:50London City
26 Aug
LCY07:45London City
21h 52m
2 stops
RAP22:37Rapid City
£775

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 14 May 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

12:19-11:15

1 stop15h 56m

London Heathrow

Wed 26/8

12:55-21:35

1 stop15h 40m

£671

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

12:19-11:15

1 stop15h 56m

London Heathrow

Wed 26/8

12:55-21:35

1 stop15h 40m

£671

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

17:02-14:25

1 stop14h 23m

London Heathrow

Wed 26/8

10:05-21:35

2 stops18h 30m

£674

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

12:41-09:00

1 stop13h 19m

London Heathrow

Wed 26/8

10:05-21:35

2 stops18h 30m

£675
Fastest return journey

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 18/10

13:00-09:40

1 stop13h 40m

London Heathrow

Thu 22/10

11:25-19:20

1 stop14h 55m

£716

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

08:55-06:55

2 stops15h 00m

London Heathrow

Wed 26/8

08:00-17:53

2 stops16h 53m

£719

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

10:26-09:20

2 stops15h 54m

London Heathrow

Wed 26/8

08:00-17:53

2 stops16h 53m

£719

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 21/8

12:41-10:55

1 stop15h 14m

London Heathrow

Mon 31/8

12:55-21:35

1 stop15h 40m

£745

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 12/8

06:48-08:50

2 stops19h 02m

London City

Wed 26/8

07:45-22:37

2 stops21h 52m

£775

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Fri 21/8

06:48-08:50

2 stops19h 02m

London City

Mon 31/8

09:20-21:58

2 stops19h 38m

£790

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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 cheapest airline that flies from Rapid City to London?

Lufthansa is the most popular carrier operating from Rapid City to 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 25m

Direct flights

None
The fastest flight from Rapid City to London takes 12h 25m
There are no direct flights from Rapid City to London. There are no popular flight routes from Rapid City to London.
Search flight deals

Frequently asked questions about flying from Rapid City to London

  • 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 25m.

  • 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 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.

Travelling to a place near London?

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

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