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

There are many flights that can get you from Rapid City to London Heathrow Airport in 12h 36m. Fly via KLM, Delta, or Air France to get the fastest option. The distance from Rapid City to London Heathrow Airport is about 4385 mi. This flight may include one or multiple stops.

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

United Airlines, at $695, was found to be the cheapest airline from Rapid City to London Heathrow Airport..

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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.

Most accurate provider : When it comes to deals on Rapid City-London Heathrow Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Rapid City-London Heathrow Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Rapid City-London Heathrow Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Rapid City-London Heathrow Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 vacation 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.

$610+ Cheap Flights from Rapid City to London Heathrow Airport

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Cheap flight deals from Rapid City to Heathrow

Cheapest

Best

Last-minute

One-way

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 September 24, 2026.

Fri 11/611:29 am -

1 stop12h 36m

Fri 11/136:30 am -

2 stops16h 24m

Deal found 9/21

$796

Thu 11/511:29 am -

1 stop12h 36m

Tue 11/173:45 pm -

2 stops31h 09m

Deal found 9/23

$797

Thu 11/56:39 am -

2 stops17h 11m

Tue 11/176:20 am -

2 stops16h 34m

Deal found 9/23

$801

Sat 11/711:29 am -

1 stop12h 36m

Sat 11/145:50 pm -

2 stops35h 51m

Deal found 9/23

$847

Thu 10/292:37 pm -

1 stop10h 28m

Mon 11/29:50 am -

1 stop13h 08m

Deal found 9/23

$854

Thu 10/295:00 am -

1 stop22h 40m

Mon 11/26:35 am -

2 stops22h 55m

Deal found 9/20

$865

Wed 9/304:41 pm -

1 stop33h 59m

Wed 10/72:10 pm -

2 stops27h 05m

Deal found 9/23

$866

Best flights from Rapid City to Heathrow
Discover carefully curated flight deals from Rapid City to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Fri 11/611:29 am -

1 stop12h 36m

Fri 11/136:30 am -

2 stops16h 24m

Deal found 9/21

$796

Fri 11/64:38 pm -

2 stops20h 32m

Fri 11/136:30 am -

2 stops23h 11m

Deal found 9/22

$801

Fri 11/611:29 am -

1 stop12h 36m

Fri 11/139:50 am -

1 stop13h 04m

Deal found 9/22

$804

Thu 10/295:00 am -

1 stop22h 40m

Mon 11/26:35 am -

2 stops22h 55m

Deal found 9/20

$865

Sun 11/86:39 am -

1 stop17h 26m

Sun 11/159:50 am -

1 stop13h 04m

Deal found 9/24

$942

Sat 11/711:29 am -

1 stop12h 36m

Sat 11/145:50 pm -

2 stops35h 51m

Deal found 9/23

$847

Thu 10/292:37 pm -

1 stop10h 28m

Mon 11/29:50 am -

1 stop13h 08m

Deal found 9/23

$854

Fri 10/91:37 pm -

2 stops20h 03m

Mon 10/128:30 am -

3 stops32h 45m

Deal found 9/20

$960

Thu 10/152:37 pm -

1 stop15h 28m

Tue 10/279:50 am -

1 stop18h 40m

Deal found 9/24

$1,114

Mon 11/912:39 pm -

2 stops15h 11m

Wed 11/117:30 am -

2 stops18h 49m

Deal found 9/22

$1,126

Last-minute flights from Rapid City to Heathrow
Discover last-minute flight deals from Rapid City to Heathrow. Data last updated September 24, 2026 and is based on user searches.

Wed 9/304:41 pm -

1 stop33h 59m

Wed 10/72:10 pm -

2 stops27h 05m

Deal found 9/23

$866

Wed 9/3010:42 am -

1 stop16h 38m

Wed 10/76:15 am -

2 stops16h 43m

Deal found 9/24

$892

Wed 9/304:56 pm -

1 stop14h 29m

Wed 10/74:25 pm -

1 stop24h 29m

Deal found 9/20

$893

Thu 10/292:37 pm -

1 stop10h 28m

Mon 11/29:50 am -

1 stop13h 08m

Deal found 9/23

$854

Thu 10/295:00 am -

1 stop22h 40m

Mon 11/26:35 am -

2 stops22h 55m

Deal found 9/20

$865

One-way flights from Rapid City to Heathrow
Search for one-way flight options from Rapid City to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.

Thu 10/82:35 pm -

3 stops46h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/19

$610

Thu 10/810:26 am -

2 stops19h 54m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/19

$656

Thu 10/811:29 am -

1 stop18h 36m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/19

$786

Sun 10/257:00 am -

2 stops16h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/20

$5,033

Sun 10/255:04 pm -

2 stops36h 06m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/23

$5,069

Find flight deals from Rapid City to Heathrow

Most accurate provider	Ovago 3 stars
Most trusted provider	Ovago 3 stars
Round-trip from	$796 (KLM)
One-way from	$610 (Kiwi.com)

Provider with most accurate pricing for Rapid City-London Heathrow flight deals.

Search Deals

Provider most trusted by Cheapflights users for Rapid City-London Heathrow flights.

Search Deals

From Rapid City to London Heathrow

Search Deals

One-way flight from Rapid City to London Heathrow

Search Deals

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

Cheapest round-trip

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Thu 10/8

2:35 pm-8:05 pm

3 stops46h 30m

London Heathrow

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$610

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Thu 10/8

10:26 am-1:20 pm

2 stops19h 54m

London Heathrow

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$656

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Thu 10/8

11:29 am-1:05 pm

1 stop18h 36m

London Heathrow

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$786

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Fri 11/6

11:29 am-7:05 am

1 stop12h 36m

London Heathrow

Fri 11/13

6:30 am-3:54 pm

2 stops16h 24m

$796

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Fri 11/6

4:38 pm-8:10 pm

2 stops20h 32m

London Heathrow

Fri 11/13

6:30 am-10:41 pm

2 stops23h 11m

$801

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Fri 11/6

11:29 am-7:05 am

1 stop12h 36m

London Heathrow

Fri 11/13

9:50 am-3:54 pm

1 stop13h 04m

$804

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sat 11/7

11:29 am-7:05 am

1 stop12h 36m

London Heathrow

Sat 11/14

5:50 pm-10:41 pm

2 stops35h 51m

$847

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Thu 10/29

2:37 pm-7:05 am

1 stop10h 28m

London Heathrow

Mon 11/2

9:50 am-3:58 pm

1 stop13h 08m

$854

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Thu 10/29

5:00 am-9:40 am

1 stop22h 40m

London Heathrow

Mon 11/2

6:35 am-10:30 pm

2 stops22h 55m

$865

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 11/8

6:39 am-7:05 am

1 stop17h 26m

London Heathrow

Sun 11/15

9:50 am-3:54 pm

1 stop13h 04m

$942

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/19

Showing 1-10 of 15 resultsSorted by cheapest first

Compare providers for flights from Rapid City to Heathrow

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Heathrow in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
Ovago	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Rapid City-London Heathrow Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Rapid City-London Heathrow Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Rapid City-London Heathrow Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Rapid City-London Heathrow Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

RAP-LHR

Estimated round-trip 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

Read through reviews of airlines operating flights from Rapid City to London Heathrow Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,233 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.4

Good

10,233 reviews

United Airlines

7.4

Good

10,233 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

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?
There are many flights that can get you from Rapid City to London Heathrow Airport in 12h 36m. Fly via KLM, Delta, or Air France to get the fastest option. The distance from Rapid City to London Heathrow Airport is about 4385 mi. This flight may include one or multiple stops.
What is the cheapest airline to fly from Rapid City to London Heathrow Airport round-trip?
United Airlines, at $695, was found to be the cheapest airline 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 vacation 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

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Top airline flying from Rapid City to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$695	Average$1,027	FlexibilityNo cancel fee	On-time69%

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$610+ Cheap flights from Rapid City (RAP) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rapid City to Heathrow with Cheapflights

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Cheap 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 September 24, 2026.

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 September 24, 2026.

Best flights from Rapid City to HeathrowDiscover carefully curated flight deals from Rapid City to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Discover carefully curated flight deals from Rapid City to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Last-minute flights from Rapid City to HeathrowDiscover last-minute flight deals from Rapid City to Heathrow. Data last updated September 24, 2026 and is based on user searches.

Discover last-minute flight deals from Rapid City to Heathrow. Data last updated September 24, 2026 and is based on user searches.

One-way flights from Rapid City to HeathrowSearch for one-way flight options from Rapid City to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.

Search for one-way flight options from Rapid City to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.

Find flight deals from Rapid City to Heathrow

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

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

Compare providers for flights from Rapid City to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Heathrow in September.

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

Read through reviews of airlines operating flights from Rapid City to London Heathrow Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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?

Traveling 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.

Complete your trip

Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Rapid City to Heathrow by cabin class

Find flights from Rapid City to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.

Rapid City and Heathrow flights

Browse other Rapid City and Heathrow flight options. Last updated on September 24, 2026.

Other flights from Rapid City

Browse through other flights departing from Rapid City. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Rapid City to Heathrow

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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 September 24, 2026.

Best flights from Rapid City to Heathrow
Discover carefully curated flight deals from Rapid City to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Last-minute flights from Rapid City to Heathrow
Discover last-minute flight deals from Rapid City to Heathrow. Data last updated September 24, 2026 and is based on user searches.

One-way flights from Rapid City to Heathrow
Search for one-way flight options from Rapid City to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.