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£625 Cheap Flights from London (LHR) to Rapid City (RAP)

View £625 flight on Mon, 7 Sept 2026Opens in a new window

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Popular airlines from Heathrow Airport (LHR) to Rapid City Regional Airport (RAP)

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Cheap Flights from London (LHR) to Rapid City (RAP)

Prices were available within the past 7 days and start at £625 for one-way flights and £802 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, 7 Sept - Mon, 28 Sept
LHR
London
RAP
Rapid City
£802 Return, found 23 hours ago
£802
Return
found 23 hours ago
Select Lufthansa flight, departing Mon, 7 Sept from London to Rapid City, returning Mon, 28 Sept, priced at £802 found 23 hours ago
Lufthansa
Mon, 7 Sept - Mon, 28 Sept
LHR
London
RAP
Rapid City
£809 Return, found 23 hours ago
£809
Return
found 23 hours ago
Select Lufthansa flight, departing Mon, 7 Sept from London to Rapid City, returning Mon, 28 Sept, priced at £809 found 23 hours ago
United
Mon, 7 Sept - Mon, 28 Sept
LHR
London
RAP
Rapid City
£820 Return, found 23 hours ago
£820
Return
found 23 hours ago
Select United flight, departing Mon, 7 Sept from London to Rapid City, returning Mon, 28 Sept, priced at £820 found 23 hours ago
Lufthansa
Mon, 19 Oct - Sun, 1 Nov
LHR
London
RAP
Rapid City
£825 Return, found 4 days ago
£825
Return
found 4 days ago
Select Lufthansa flight, departing Mon, 19 Oct from London to Rapid City, returning Sun, 1 Nov, priced at £825 found 4 days ago
Lufthansa
Fri, 9 Oct - Sun, 18 Oct
LHR
London
RAP
Rapid City
£825 Return, found 23 hours ago
£825
Return
found 23 hours ago
Select Lufthansa flight, departing Fri, 9 Oct from London to Rapid City, returning Sun, 18 Oct, priced at £825 found 23 hours ago
United
Mon, 7 Sept - Mon, 28 Sept
LHR
London
RAP
Rapid City
£827 Return, found 23 hours ago
£827
Return
found 23 hours ago
Select United flight, departing Mon, 7 Sept from London to Rapid City, returning Mon, 28 Sept, priced at £827 found 23 hours ago
Air Canada
Mon, 7 Sept - Mon, 28 Sept
LHR
London
RAP
Rapid City
£833 Return, found 23 hours ago
£833
Return
found 23 hours ago
Select Air Canada flight, departing Mon, 7 Sept from London to Rapid City, returning Mon, 28 Sept, priced at £833 found 23 hours ago
Brussels Airlines
Mon, 7 Sept - Mon, 28 Sept
LHR
London
RAP
Rapid City
£834 Return, found 23 hours ago
£834
Return
found 23 hours ago
Select Brussels Airlines flight, departing Mon, 7 Sept from London to Rapid City, returning Mon, 28 Sept, priced at £834 found 23 hours ago
Air Canada
Mon, 7 Sept - Mon, 28 Sept
LHR
London
RAP
Rapid City
£840 Return, found 23 hours ago
£840
Return
found 23 hours ago
Select Air Canada flight, departing Mon, 7 Sept from London to Rapid City, returning Mon, 28 Sept, priced at £840 found 23 hours ago
KLM
Tue, 29 Sept - Mon, 5 Oct
LHR
London
RAP
Rapid City
£871 Return, found 6 hours ago
£871
Return
found 6 hours ago
Select KLM flight, departing Tue, 29 Sept from London to Rapid City, returning Mon, 5 Oct, priced at £871 found 6 hours ago

Alternative airports near Rapid City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Rapid City Regional RAP. Cheapest and Closest option available. Average driving time to city centre is 16 minutes. Flights from £999
RAP
Rapid City Regional
CheapestClosest
Average driving time to city centre16 min
Flights from £999

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional) cost?
You can find cheap one-way flights from £625 and cheap return flights from £802 LHR to RAP with Expedia. Return flights often range between £866 and £1451. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to RAP ticket fares go up or down.
What is the cheapest month to fly from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
The cheapest months to fly from LHR to RAP are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
Enter LHR to RAP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
American Airlines is one of the cheapest airlines offering connecting return flights from London Heathrow (LHR) to Rapid City, SD (RAP-Rapid City Regional), with tickets starting from around £866 for flights that can be booked for departure within the next year. These prices are for one adult in economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
To find a cheap flight from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
There are approximately 38 connecting flights per day from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional). Some common connection points include Schiphol (AMS), John F. Kennedy Intl. (JFK), and Roissy-Charles de Gaulle (CDG).
What is the earliest flight from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
The earliest flight from London Heathrow (LHR) to Rapid City Regional (RAP) typically departs around 6:00 AM. This service is operated by Swiss International Air Lines and United, and it's a seasonal service active only in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
You'll typically find the most flights from London Heathrow (LHR) to Rapid City, SD (RAP) on a Thursday, with around 88 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and British Airways.
What are the most popular departure times for flights from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
The most popular departure times for flights from London Heathrow (LHR) to Rapid City, SD (RAP) are in the morning, between 9am and 12pm. Many major carriers, including American Airlines, United and British Airways, offer flights during this window. Many travellers prefer this timing as it allows for a comfortable morning departure and an arrival that still leaves plenty of the day for activities.
How long does it take to fly from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
There are no nonstop flights from London Heathrow (LHR) to Rapid City, SD (RAP-Rapid City Regional). Flights with one stop typically take around 14 hours 30 minutes. If you have two or more stops, your journey will likely be longer, averaging about 16 hours 30 minutes. The distance covered on this route is approximately 7,062 kilometers. Keep in mind that actual travel times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from London (LHR) to Rapid City, SD (RAP)?
Select the "Business class" and "First class" filters when looking for London (LHR) to Rapid City, SD (RAP) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Rapid City, SD (RAP) from London (LHR)?
If you're planning to travel to Rapid City from Heathrow (LHR), you can fly directly into Rapid City Regional (RAP). Some flights may connect through major hubs like O'Hare Intl. (ORD), Frankfurt Intl. (FRA), or Liberty Intl. (EWR) before reaching Rapid City. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional) flight and hotel package?
Securing a London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional)?
If you booked your London (LHR-Heathrow) to Rapid City, SD (RAP-Rapid City Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Rapid City Regional
Airlines serving
Air France, American Airlines, Delta, KLM, United, Virgin Atlantic
Return price
£802
Distance
7020 km

Book with confidence

Compare flights from London to Rapid City easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Rapid City. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Rapid City Regional in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Rapid City Regional.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Rapid City Regional (RAP)

The easiest way to view the best deals on flights from London to Rapid City today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Rapid City Regional start at just £802 and range up to £871.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Rapid City
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Rapid City flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Rapid City Regional for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Rapid City easily and book with confidence

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*Available to Expedia members.