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Cheap flights from Rapid City to London Heathrow Airport from £470

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
11 Jan — 18 Jan1
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 12 December 2025.

Sun 21/1211:56RAP - LHR
2 stops15h 49mKLM
Sat 27/1216:25LHR - RAP
2 stops30h 09mKLM
Deal found 10/12£1,803
Sun 21/1214:20RAP - LHR
1 stop12h 40mAmerican Airlines
Sat 27/1209:35LHR - RAP
2 stops18h 45mAmerican Airlines
Deal found 10/12£1,917
Sun 21/1212:18RAP - LHR
1 stop14h 22mUnited Airlines
Sat 27/1211:35LHR - RAP
1 stop14h 37mUnited Airlines
Deal found 10/12£1,944

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 12 December 2025.

Round-trip from

£470
KLM
  • KLM
  • 9/1-16/1
  • 3 total stops
  • 49h 36m 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 12 December 2025.
Use the filters below to find and compare flights from Rapid City to London Heathrow Airport that are best for you.

Fly from

Rapid City

Fly to

Heathrow

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 9/1

10:54-07:05

1 stop13h 11m

London Heathrow

Fri 16/1

10:00-15:25

2 stops36h 25m

£470

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 20/2

14:52-09:40

1 stop11h 48m

London Heathrow

Tue 24/2

14:30-18:54

2 stops35h 24m

£473

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 24/1

06:00-06:55

2 stops17h 55m

London Heathrow

Sat 31/1

06:30-22:28

2 stops22h 58m

£473

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 1/4

14:25-14:25

1 stop17h 00m

London Heathrow

Wed 8/4

09:50-20:19

2 stops17h 29m

£488

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 24/1

06:00-06:50

1 stop17h 50m

London Heathrow

Sat 31/1

11:55-21:15

1 stop16h 20m

£490

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 9/1

14:40-09:40

1 stop12h 00m

London Heathrow

Fri 16/1

11:35-19:14

1 stop14h 39m

£490

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 9/1

06:00-07:50

2 stops18h 50m

London Heathrow

Fri 16/1

13:05-22:28

2 stops16h 23m

£493

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 12 December 2025.
Check out reviews from past customers who have flown with United Airlines from Rapid City to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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. 1 airline has 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 11h 48m. The distance between Rapid City and London Heathrow Airport is about 4385 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Rapid City to London Heathrow Airport round-trip?

    According to our current data, United Airlines (£566), offers the cheapest pricing from Rapid City to London Heathrow Airport.

  • 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
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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Alternative routes for Rapid City to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Heathrow flights
Sioux Falls to Gatwick flights

Top airline flying from Rapid City to Heathrow

Discover the top airline that operate flights from Rapid City to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£566Average£715FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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