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Cheap flights from Rapid City to London Heathrow Airport from £345

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
21 Jun — 28 Jun1
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 22 May 2026.

Tue 1/1211:30
RAP
-
LHR
1 stop12h 35m
KLM
Wed 9/1206:30
LHR
-
RAP
2 stops16h 16m
KLM
Deal found 21/5£673
Tue 1/1205:34
RAP
-
LHR
1 stop19h 41m
American Airlines
Wed 9/1210:15
LHR
-
RAP
1 stop18h 00m
American Airlines
Deal found 21/5£674
Tue 1/915:23
RAP
-
LHR
1 stop12h 52m
American Airlines
Fri 11/912:55
LHR
-
RAP
1 stop16h 03m
American Airlines
Deal found 18/5£675
Tue 1/913:31
RAP
-
LHR
1 stop15h 24m
United Airlines
Fri 11/906:50
LHR
-
RAP
2 stops34h 36m
United Airlines
Deal found 20/5£677
Mon 31/817:02
RAP
-
LHR
1 stop14h 23m
American Airlines
Fri 25/914:25
LHR
-
RAP
1 stop14h 33m
American Airlines
Deal found 19/5£692
Mon 31/805:00
RAP
-
LHR
1 stop24h 25m
United Airlines
Fri 25/908:30
LHR
-
RAP
3 stops32h 45m
United Airlines
Deal found 19/5£699

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 22 May 2026.

Round-trip from

£675

One-way from

£345
American Airlines
  • American Airlines
  • 1/9-11/9
  • 2 total stops
  • 28h 55m total
  • Rapid City to London
Search Deals
Delta
  • Delta
  • 7/7
  • 2 total stops
  • 19h 02m 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 22 May 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 - LHR

RAPLHR

Rapid City

Tue 1/9

13:31-11:55

1 stop15h 24m

London Heathrow

Fri 11/9

06:50-10:26

2 stops34h 36m

£677
Fastest return journey

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 1/9

15:23-11:15

1 stop12h 52m

London Heathrow

Fri 11/9

12:15-21:58

2 stops16h 43m

£678

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 31/8

05:00-12:25

1 stop24h 25m

London Heathrow

Fri 25/9

08:30-10:15

3 stops32h 45m

£699

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 12/8

11:22-09:40

1 stop15h 18m

London Heathrow

Wed 26/8

14:05-16:06

2 stops33h 01m

£703
Cheapest one-way

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 7/7

06:48-08:50

2 stops19h 02m

£345

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 7/7

11:20-20:40

3 stops26h 20m

£456
Fastest single journey

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 25/10

15:21-09:40

1 stop12h 19m

£2,365

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 25/10

10:18-09:15

2 stops16h 57m

£2,376

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Sorted by cheapest first

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 12h 52m. 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.

  • 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
Croydon
Northampton
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Romford
Kingston upon Thames
Eastbourne
Ipswich
Swindon
Guildford
Southall

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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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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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