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Cheap flights from Rapid City to London Heathrow Airport from £343

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
8 Sep — 15 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Rapid City to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Rapid City to Heathrow
Explore the most affordable flight options available from Rapid City to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 August 2026.

Sun 15/1117:50 -
1 stop32h 50m
Wed 18/1106:50 -
2 stops34h 41m
Deal found 6/8£561
Tue 13/1017:04 -
1 stop14h 21m
Tue 17/1108:25 -
2 stops20h 02m
Deal found 6/8£650
Wed 14/1013:37 -
1 stop15h 18m
Thu 19/1106:35 -
2 stops21h 08m
Deal found 6/8£656
Tue 13/1011:29 -
2 stops18h 46m
Tue 17/1108:40 -
2 stops20h 57m
Deal found 6/8£659
Sun 11/1017:53 -
1 stop11h 42m
Wed 18/1109:30 -
2 stops20h 00m
Deal found 6/8£664
Tue 13/1012:30 -
1 stop16h 55m
Tue 17/1111:35 -
1 stop16h 08m
Deal found 6/8£678
Thu 15/1017:53 -
1 stop11h 32m
Thu 19/1106:35 -
2 stops21h 08m
Deal found 6/8£694
Wed 9/914:31 -
1 stop15h 34m
Wed 16/906:30 -
2 stops16h 21m
Deal found 4/8£694
Mon 12/1011:29 -
2 stops16h 01m
Mon 16/1108:40 -
2 stops20h 57m
Deal found 6/8£696

Find flight deals from Rapid City to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 August 2026.

Round-trip from

£561

One-way from

£343
United Airlines
  • United Airlines
  • 15/11-18/11
  • 3 total stops
  • 67h 31m total
  • Rapid City to London
Search Deals
United Airlines
  • United Airlines
  • 4/10
  • 1 total stop
  • 17h 43m total
  • Rapid City to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Rapid City to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 9 August 2026.
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 Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 15/11

17:50-09:40

1 stop32h 50m

London Heathrow

Wed 18/11

06:50-10:31

2 stops34h 41m

£562

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 14/10

13:37-11:55

1 stop15h 18m

London Heathrow

Thu 19/11

06:35-20:43

2 stops21h 08m

£656

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 9/9

14:31-13:05

1 stop15h 34m

London Heathrow

Wed 16/9

06:30-15:51

2 stops16h 21m

£694

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Mon 21/9

05:22-12:25

1 stop24h 03m

London Heathrow

Mon 28/9

09:30-10:15

2 stops31h 45m

£698
Fastest return journey

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Mon 12/10

17:53-12:25

1 stop11h 32m

London Heathrow

Sun 15/11

07:30-17:09

2 stops16h 39m

£701

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Mon 14/9

10:42-13:05

1 stop19h 23m

London Heathrow

Mon 21/9

17:35-15:51

2 stops29h 16m

£709

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Mon 12/10

11:29-07:40

2 stops13h 11m

London Heathrow

Wed 18/11

06:30-15:55

2 stops16h 25m

£729
Cheapest one-way

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 4/10

07:05-07:45

2 stops17h 40m

£343

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 4/10

15:50-10:15

3 stops35h 25m

£481
Fastest single journey

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 25/10

14:37-07:05

1 stop10h 28m

£2,521

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 13 resultsSorted by cheapest first
1
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Best time to book a flight from Rapid City to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Rapid City with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rapid City to London Heathrow?

    For a flight from Rapid City to London Heathrow, you will be flying from Rapid City. Rapid City (RAP) is just 9.0 mi from the center of the city. Rapid City is the only Rapid City airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Rapid City on a regular basis.

  • How long is the flight from Rapid City to London Heathrow Airport?

    Departing from Rapid City to London Heathrow Airport will take you 32h 50m. The distance between Rapid City and London Heathrow Airport is about 4385 mi.

  • Can I find deals for flights from Rapid City to Heathrow that include hotel bookings?

    Yes. In addition to deals on Rapid City to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Heathrow.

  • Can I find deals for business class flights from Rapid City to Heathrow?

    Yes. Cheapflights offers flight deals from Rapid City to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Southend-on-Sea
Swindon
Enfield
Kingston upon Thames
Southall
Poole

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Alternative routes for Rapid City to Heathrow

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Fly with Cheapflights

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How does Cheapflights help users find flights from Rapid City to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Rapid City today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Rapid City to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Rapid City to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Rapid City to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Rapid City to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Rapid City to Heathrow become cheaper?

Yes! Start tracking prices for Rapid City to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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