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Cheap flights from London Heathrow Airport to Rapid City from £594

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
5 Mar — 12 Mar1
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 3 February 2026.

Mon 2/307:40
LHR
-
RAP
2 stops21h 36m
United Airlines
Mon 9/317:41
RAP
-
LHR
1 stop33h 59m
United Airlines
Deal found 2/2£798
Wed 18/307:30
LHR
-
RAP
2 stops15h 41m
United Airlines
Wed 25/312:00
RAP
-
LHR
2 stops16h 15m
United Airlines
Deal found 1/2£800
Wed 18/311:35
LHR
-
RAP
1 stop14h 59m
Lufthansa
Wed 25/305:00
RAP
-
LHR
1 stop22h 40m
Lufthansa
Deal found 1/2£807
Mon 2/310:05
LHR
-
RAP
1 stop19h 46m
American Airlines
Mon 9/305:32
RAP
-
LHR
1 stop20h 43m
American Airlines
Deal found 2/2£856
Thu 19/211:35
LHR
-
RAP
1 stop16h 09m
United Airlines
Sun 22/217:40
RAP
-
LHR
1 stop33h 00m
United Airlines
Deal found 2/2£880
Wed 18/306:40
LHR
-
RAP
3 stops33h 40m
Multiple Airlines
Wed 25/306:00
RAP
-
LHR
3 stops21h 20m
Multiple Airlines
Deal found 1/2£1,318

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 3 February 2026.

Round-trip from

£798

One-way from

£594

Popular in

July

Cheapest in

November

Average price

£676
United Airlines
  • United Airlines
  • 2/3-9/3
  • 3 total stops
  • 55h 35m total
  • London to Rapid City
Search Deals
Lufthansa
  • Lufthansa
  • 25/4
  • 1 total stop
  • 32h 43m total
  • London to Rapid City
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£119 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 3 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Rapid City that are best for you.

Fly from

Heathrow

Fly to

Rapid City

Route

Depart

Return

Price

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 2/3

07:40-22:16

2 stops21h 36m

Rapid City

Mon 9/3

17:41-09:40

1 stop33h 59m

£798

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Wed 18/3

07:30-17:11

2 stops15h 41m

Rapid City

Wed 25/3

14:45-09:40

1 stop12h 55m

£800

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Wed 18/3

11:35-20:34

1 stop14h 59m

Rapid City

Wed 25/3

05:00-09:40

1 stop22h 40m

£807

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 2/3

10:05-22:51

1 stop19h 46m

Rapid City

Mon 9/3

05:32-08:15

1 stop20h 43m

£856

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 19/2

10:00-20:44

2 stops17h 44m

Rapid City

Sun 22/2

17:40-09:40

1 stop33h 00m

£880

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 25/4

14:50-13:08

1 stop29h 18m

£594

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 25/4

07:45-21:04

2 stops20h 19m

£626

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 25/4

06:40-22:20

3 stops22h 40m

£2,205

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 9/2

06:40-22:28

3 stops22h 48m

£2,777

Flights are sorted by cheapest return flights first.

Deals found on 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 3 February 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
9,229 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

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
9,229 reviews
United Airlines
7.4
Good
9,229 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

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?

    United Airlines and Lufthansa can get you from London Heathrow Airport to Rapid City in just under 14h 59m. Your travel time can differ by up to 6h 37m. 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 £689 on this airline. This flight start at 15% 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.
London City to Aberdeen flights
Heathrow to Aberdeen flights
London City to Rapid City 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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£689Average£996FlexibilityNo 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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