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

Departing from Rapid City to London Heathrow Airport will take you 19h 37m. 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 (£555), offers the cheapest pricing from Rapid City to London Heathrow Airport.

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.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from RAP to LHR?

When flying from Rapid City to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

£329+ Flights from Rapid City to London Heathrow Airport

Cheap flight deals from Rapid City to Heathrow

Round-trip from	£458
One-way from	£329
Popular in	June
Cheapest in	August
Average price	£722

Delta
29/10-5/11
3 total stops
39h 56m total
Rapid City to London

Search Deals

American Airlines
23/9
1 total stop
12h 45m total
Rapid City to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£120 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 17 September 2025.

Wed 29/1006:05RAP - LHR

1 stop19h 00mDelta

Thu 6/1106:30LHR - RAP

2 stops23h 06mDelta

Deal found 15/9£458

Tue 14/1016:34RAP - LHR

2 stops20h 26mDelta

Tue 18/1106:20LHR - RAP

2 stops23h 19mDelta

Deal found 17/9£460

Wed 29/1006:05RAP - LHR

2 stops18h 45mDelta

Tue 4/1106:30LHR - RAP

2 stops23h 06mDelta

Deal found 15/9£461

Wed 29/1006:05RAP - LHR

1 stop19h 00mDelta

Wed 5/1111:05LHR - RAP

1 stop18h 31mDelta

Deal found 15/9£463

Sun 12/1010:33RAP - LHR

1 stop19h 37mDelta

Fri 21/1111:05LHR - RAP

1 stop18h 34mDelta

Deal found 17/9£463

Sun 12/1010:33RAP - LHR

1 stop19h 37mDelta

Thu 23/1011:45LHR - RAP

2 stops17h 51mDelta

Deal found 16/9£466

Tue 14/1006:05RAP - LHR

1 stop24h 05mDelta

Thu 20/1111:05LHR - RAP

1 stop18h 34mDelta

Deal found 17/9£467

Fri 31/1006:05RAP - LHR

1 stop19h 00mVirgin Atlantic

Fri 7/1111:05LHR - RAP

1 stop18h 31mVirgin Atlantic

Deal found 16/9£475

Wed 15/1006:05RAP - LHR

2 stops19h 55mDelta

Wed 19/1106:20LHR - RAP

2 stops23h 19mDelta

Deal found 17/9£480

Tue 14/1016:34RAP - LHR

2 stops14h 16mMultiple Airlines

Thu 20/1106:20LHR - RAP

2 stops16h 25mMultiple Airlines

Deal found 17/9£481

Tue 14/1016:34RAP - LHR

2 stops14h 16mKLM

Wed 19/1120:25LHR - RAP

2 stops26h 20mKLM

Deal found 17/9£482

Best flights from Rapid City to Heathrow
Discover carefully curated flight deals from Rapid City to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Sun 12/1010:33RAP - LHR

1 stop19h 37mDelta

Thu 23/1008:40LHR - RAP

2 stops20h 56mDelta

Deal found 15/9£458

Sun 12/1010:33RAP - LHR

1 stop19h 37mKLM

Thu 23/1012:25LHR - RAP

1 stop17h 11mKLM

Deal found 15/9£463

Wed 29/1006:05RAP - LHR

1 stop19h 00mDelta

Thu 6/1106:30LHR - RAP

2 stops23h 06mDelta

Deal found 15/9£458

Wed 29/1006:05RAP - LHR

1 stop19h 00mDelta

Wed 5/1108:40LHR - RAP

2 stops20h 56mDelta

Deal found 15/9£458

Wed 29/1006:05RAP - LHR

1 stop19h 00mDelta

Tue 4/1106:30LHR - RAP

2 stops23h 06mDelta

Deal found 15/9£458

Wed 29/1010:33RAP - LHR

1 stop14h 32mDelta

Fri 7/1108:40LHR - RAP

2 stops20h 56mDelta

Deal found 15/9£458

Mon 13/1016:34RAP - LHR

1 stop13h 36mDelta

Tue 18/1111:05LHR - RAP

1 stop18h 34mDelta

Deal found 17/9£463

Last-minute flights from Rapid City to Heathrow
Discover last-minute flight deals from Rapid City to Heathrow. Data last updated 17 September 2025 and is based on user searches.

Tue 30/911:15RAP - LHR

1 stop15h 25mUnited Airlines

Thu 9/1013:40LHR - RAP

2 stops27h 33mUnited Airlines

Deal found 14/9£522

Wed 1/1008:30RAP - LHR

2 stops16h 10mUnited Airlines

Fri 10/1006:55LHR - RAP

2 stops18h 45mUnited Airlines

Deal found 14/9£515

Wed 1/1008:30RAP - LHR

2 stops16h 10mUnited Airlines

Thu 9/1010:00LHR - RAP

2 stops17h 34mUnited Airlines

Deal found 14/9£525

Sat 11/1010:33RAP - LHR

1 stop19h 37mDelta

Tue 21/1011:45LHR - RAP

2 stops17h 51mDelta

Deal found 16/9£503

Sat 11/1017:50RAP - LHR

1 stop32h 50mUnited Airlines

Tue 21/1014:05LHR - RAP

2 stops27h 08mUnited Airlines

Deal found 15/9£524

Sun 12/1010:33RAP - LHR

1 stop19h 37mDelta

Thu 23/1011:45LHR - RAP

2 stops17h 51mDelta

Deal found 16/9£466

Sun 12/1008:30RAP - LHR

2 stops15h 00mUnited Airlines

Thu 23/1015:50LHR - RAP

2 stops25h 23mUnited Airlines

Deal found 16/9£510

Wed 29/1006:05RAP - LHR

1 stop19h 00mDelta

Wed 5/1108:40LHR - RAP

2 stops20h 56mDelta

Deal found 15/9£458

Wed 29/1006:05RAP - LHR

2 stops20h 40mDelta

Thu 6/1106:30LHR - RAP

2 stops23h 06mDelta

Deal found 15/9£461

Wed 29/1006:05RAP - LHR

1 stop19h 00mDelta

Fri 7/1111:05LHR - RAP

1 stop18h 31mDelta

Deal found 15/9£463

Fri 31/1006:05RAP - LHR

1 stop19h 00mVirgin Atlantic

Fri 7/1111:05LHR - RAP

1 stop18h 31mVirgin Atlantic

Deal found 16/9£475

Cheapflights Fare Finder

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

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 12/10

10:33-13:10

1 stop19h 37m

London Heathrow

Thu 23/10

08:40-22:36

2 stops20h 56m

£458

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 29/10

06:05-07:05

1 stop19h 00m

London Heathrow

Thu 6/11

06:30-22:36

2 stops23h 06m

£458

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 29/10

06:05-07:05

1 stop19h 00m

London Heathrow

Wed 5/11

08:40-22:36

2 stops20h 56m

£458

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 29/10

06:05-07:05

1 stop19h 00m

London Heathrow

Tue 4/11

06:30-22:36

2 stops23h 06m

£458

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 29/10

10:33-07:05

1 stop14h 32m

London Heathrow

Fri 7/11

08:40-22:36

2 stops20h 56m

£458

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 12/10

10:33-13:10

1 stop19h 37m

London Heathrow

Thu 23/10

12:25-22:36

1 stop17h 11m

£463

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 13/10

16:34-13:10

1 stop13h 36m

London Heathrow

Tue 18/11

11:05-22:39

1 stop18h 34m

£463

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 23/9

17:00-12:45

1 stop12h 45m

£329

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 23/9

17:59-20:40

2 stops19h 41m

£341

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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

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

8,924 reviews

Check prices

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

8,924 reviews

United Airlines

7.4

Good

8,924 reviews

Check prices

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

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 19h 37m. 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 (£555), offers the cheapest pricing from Rapid City to London Heathrow Airport.
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

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Deal

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Crawley

Hayes

Watford

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Swindon

Dartford

Guildford

Brentford

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Top airline flying from Rapid City to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£555	Average£702	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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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Cheap flights from Rapid City to London Heathrow Airport from £329

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Rapid City to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Rapid City to Heathrow

Cheapest flights from Rapid City to HeathrowExplore 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 17 September 2025.

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 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Rapid City to London Heathrow Airport that are best for you.

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.

Reviews of airlines servicing Heathrow

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.

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?

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

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Rapid City to Heathrow

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?

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

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

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

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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 17 September 2025.