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Cheap flights from Rapid City to London Heathrow Airport from £542

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
3 9月 — 10 9月1
1 adult

Cheap 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 29 8月 2025.

Round-trip from

£542

Popular in

June

Cheapest in

September

Average price

£703
United Airlines
  • United Airlines
  • 11/10-21/10
  • 3 total stops
  • 59h 58m total
  • Rapid City to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£128 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Rapid City to Heathrow

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 29 8月 2025.

週六 11/1017:50RAP - LHR
1 stop32h 50mUnited Airlines
週二 21/1014:05LHR - RAP
2 stops27h 08mUnited Airlines
Deal found 28/8£542
週六 11/1011:15RAP - LHR
2 stops17h 30mUnited Airlines
週六 18/1009:30LHR - RAP
2 stops16h 10mUnited Airlines
Deal found 27/8£648
週三 10/917:00RAP - LHR
1 stop12h 45mAmerican Airlines
週三 17/908:50LHR - RAP
2 stops19h 03mAmerican Airlines
Deal found 28/8£662
週三 10/907:00RAP - LHR
2 stops19h 35mUnited Airlines
週三 17/914:05LHR - RAP
2 stops27h 17mUnited Airlines
Deal found 27/8£682
週二 9/917:00RAP - LHR
1 stop12h 45mAmerican Airlines
週四 18/909:15LHR - RAP
1 stop15h 27mAmerican Airlines
Deal found 27/8£685
週二 9/915:19RAP - LHR
1 stop11h 21mUnited Airlines
週四 18/917:40LHR - RAP
2 stops29h 22mUnited Airlines
Deal found 27/8£688
週三 3/910:55RAP - LHR
1 stop19h 15mMultiple Airlines
週三 10/920:55LHR - RAP
2 stops23h 51mMultiple Airlines
Deal found 27/8£690

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 29 8月 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

週六 11/10

17:50-09:40

1 stop32h 50m

London Heathrow

週二 21/10

14:05-10:13

2 stops27h 08m

£542

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

週六 11/10

15:20-12:20

1 stop14h 00m

London Heathrow

週六 18/10

09:30-22:12

2 stops19h 42m

£648

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

週三 10/9

17:00-14:25

1 stop14h 25m

London Heathrow

週三 17/9

08:50-20:53

2 stops19h 03m

£662

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

週二 9/9

17:00-14:25

1 stop14h 25m

London Heathrow

週三 17/9

08:50-20:53

2 stops19h 03m

£662

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

週三 10/9

07:00-09:35

2 stops19h 35m

London Heathrow

週三 17/9

14:05-10:22

2 stops27h 17m

£682

Flights are sorted by cheapest return flights first.

Deals found on 28/8

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 29 8月 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
8,941 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,941 reviews
United Airlines
7.4
Good
8,941 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 32h 50m. The distance between Rapid City and London Heathrow Airport is about 4385 mi.

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

    According to our current data, United Airlines (£561), offers the cheapest pricing from Rapid City to London Heathrow Airport. United Airlines is currently priced 17% below the average price you’ll pay for this route.

  • 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.

  • What is the cheapest month to book a flight from Rapid City to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Rapid City to London Heathrow Airport (average of £112). Flying from Rapid City to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Swindon
Dartford

Browse thousands of different options on Cheapflights for your next trip

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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.
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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 29 8月 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£561Average£709FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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