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Cheap flights from London Heathrow Airport to Rapid City from £603

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — RAP
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Rapid City

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Rapid City
Explore the most affordable flight options available from Heathrow to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 March 2026.

Mon 20/411:25
LHR
-
RAP
1 stop32h 43m
Lufthansa
Mon 27/416:15
RAP
-
LHR
1 stop34h 25m
Lufthansa
Deal found 6/3£825
Mon 20/406:55
LHR
-
RAP
2 stops18h 05m
United Airlines
Mon 27/409:20
RAP
-
LHR
2 stops16h 00m
United Airlines
Deal found 6/3£836
Wed 22/410:50
LHR
-
RAP
2 stops18h 38m
United Airlines
Wed 29/410:55
RAP
-
LHR
1 stop15h 45m
United Airlines
Deal found 8/3£841
Wed 22/411:25
LHR
-
RAP
1 stop18h 03m
Lufthansa
Wed 29/405:20
RAP
-
LHR
1 stop21h 20m
Lufthansa
Deal found 8/3£847
Fri 1/511:25
LHR
-
RAP
1 stop14h 50m
Lufthansa
Wed 13/510:55
RAP
-
LHR
1 stop18h 25m
Lufthansa
Deal found 9/3£854
Fri 1/507:30
LHR
-
RAP
2 stops21h 16m
United Airlines
Wed 13/509:30
RAP
-
LHR
2 stops14h 45m
United Airlines
Deal found 9/3£868
Thu 30/409:30
LHR
-
RAP
2 stops16h 45m
United Airlines
Sun 3/517:35
RAP
-
LHR
1 stop33h 05m
United Airlines
Deal found 8/3£879
Sat 18/412:15
LHR
-
RAP
2 stops17h 13m
United Airlines
Wed 22/409:20
RAP
-
LHR
2 stops14h 35m
United Airlines
Deal found 6/3£892

Find flight deals from Heathrow to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Rapid City (RAP). 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 11 March 2026.

Round-trip from

£825

One-way from

£603

Popular in

July

Cheapest in

November

Average price

£772
Lufthansa
  • Lufthansa
  • 20/4-27/4
  • 2 total stops
  • 67h 08m total
  • London to Rapid City
Search Deals
Lufthansa
  • Lufthansa
  • 25/4
  • 1 total stop
  • 29h 18m total
  • London to Rapid City
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£116 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Rapid City 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 11 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 20/4

11:25-18:00

1 stop13h 35m

Rapid City

Mon 27/4

13:00-11:55

2 stops15h 55m

£825

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 20/4

06:55-18:00

2 stops18h 05m

Rapid City

Mon 27/4

09:20-08:20

2 stops16h 00m

£836

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Wed 22/4

10:50-22:28

2 stops18h 38m

Rapid City

Wed 29/4

07:00-05:55

2 stops15h 55m

£841

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Fri 1/5

07:30-21:46

2 stops21h 16m

Rapid City

Wed 13/5

09:30-07:15

2 stops14h 45m

£868

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 30/4

09:30-19:15

2 stops16h 45m

Rapid City

Sun 3/5

17:35-09:40

1 stop33h 05m

£879

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Fri 1/5

08:00-17:00

2 stops16h 00m

Rapid City

Mon 11/5

09:30-06:55

2 stops14h 25m

£892

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 18/4

12:15-22:28

2 stops17h 13m

Rapid City

Wed 22/4

09:20-06:55

2 stops14h 35m

£892
Cheapest one-way

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 25/4

14:50-11:24

1 stop27h 34m

£604
Fastest single journey

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 25/4

07:30-22:28

2 stops21h 58m

£616

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 15/6

06:55-22:25

2 stops22h 30m

£656

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Heathrow 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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Rapid City

How much does it cost for a return flight from London Heathrow Airport to Rapid City?

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated 11 March 2026.
See what other customers who have flown with United Airlines from London Heathrow Airport to Rapid City have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,414 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,414 reviews
United Airlines
7.4
Good
9,414 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Rapid City. 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 into for flights to Rapid City from London Heathrow?

    Located just 9.0 mi from the city center, Rapid City is the airport most travelers will use when flying to Rapid City from London Heathrow. Booking flights from London Heathrow to Rapid City (RAP) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 1 airline.

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

    Lufthansa and United Airlines can get you from London Heathrow Airport to Rapid City in just under 13h 35m. Your travel time can differ by up to 4h 30m. There are 4385 mi between London Heathrow Airport and Rapid City. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Our cheapest airline available from London Heathrow Airport to Rapid City is United Airlines. Our recent data shows that you can find tickets from as low as £702 on this airline. This flight start at 16% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Rapid City 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 Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Spearfish
Sturgis

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Alternative routes for Heathrow to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Aberdeen flights
London City to Rapid City flights
London City to Aberdeen flights

Top airline flying from Heathrow to Rapid City

Discover the top airline that operate flights from Heathrow to Rapid City. 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£702Average£1,014FlexibilityNo 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 Heathrow to Rapid City?

Cheapflights makes it easy to find Heathrow to Rapid City flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Rapid City from Heathrow.

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

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

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

Yes! Start tracking prices for Heathrow to Rapid City 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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