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$765+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Rapid City to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Heathrow (LHR). 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$765
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$933
Provider with most accurate pricing for Rapid City-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Rapid City-London Heathrow flights.
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From Rapid City to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($205 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1111:18 amRAP - LHR
2 stops39h 17mUnited Airlines
Tue 10/212:05 pmLHR - RAP
2 stops32h 58mUnited Airlines
Deal found 4/28$765
This KLM deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/124:35 pmRAP - LHR
1 stop13h 35mKLM
Thu 10/2312:25 pmLHR - RAP
1 stop16h 45mKLM
Deal found 4/28$788
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:34 pmRAP - LHR
1 stop14h 51mAmerican Airlines
Tue 10/218:20 amLHR - RAP
1 stop14h 45mAmerican Airlines
Deal found 4/27$838
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/194:25 pmRAP - LHR
1 stop13h 45mDelta
Tue 5/278:40 amLHR - RAP
2 stops20h 54mDelta
Deal found 4/27$906
This Air France deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:46 amRAP - LHR
1 stop19h 24mAir France
Thu 5/296:15 amLHR - RAP
2 stops16h 30mAir France
Deal found 4/27$1,160
This Air France deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/214:25 pmRAP - LHR
2 stops14h 25mMultiple Airlines
Thu 5/296:15 amLHR - RAP
2 stops16h 30mMultiple Airlines
Deal found 4/27$1,300

Cheapflights Fare Finder

Customize your flight search to find flights from Rapid City to Heathrow 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 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Rapid City to London Heathrow Airport that are best for you.

Fly from

Rapid City

Fly to

Heathrow

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 10/11

11:18 am-9:35 am

2 stops39h 17m

London Heathrow

Tue 10/21

2:05 pm-4:03 pm

2 stops32h 58m

$765

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 10/12

4:35 pm-1:10 pm

1 stop13h 35m

London Heathrow

Thu 10/23

12:25 pm-10:10 pm

1 stop16h 45m

$788

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 10/11

5:47 am-9:00 am

1 stop20h 13m

London Heathrow

Tue 10/21

8:20 am-4:05 pm

1 stop14h 45m

$838

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 5/19

4:25 pm-1:10 pm

1 stop13h 45m

London Heathrow

Tue 5/27

8:40 am-10:34 pm

2 stops20h 54m

$906

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 5/22

10:46 am-1:10 pm

1 stop19h 24m

London Heathrow

Thu 5/29

6:15 am-3:45 pm

2 stops16h 30m

$1,160

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 5/21

4:25 pm-1:50 pm

2 stops14h 25m

London Heathrow

Thu 5/29

6:15 am-3:45 pm

2 stops16h 30m

$1,300

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 5/31

4:25 pm-8:00 pm

2 stops20h 35m

$828

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 5/31

4:25 pm-1:10 pm

1 stop13h 45m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Rapid City-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.
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.

Cheapflights Insights

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

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.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,444 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    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. 2 airlines have flights to London Heathrow from Rapid City on a regular basis.

  • What are the cheapest airlines flying from Rapid City to London Heathrow Airport round-trip?

    United Airlines, at $765, was found to be the cheapest airline from Rapid City to London Heathrow Airport.Alternate airlines to your destination round-trip include KLM and American Airlines. You may be able to fly from Rapid City to London Heathrow Airport for 19% less than the average price by searching for these airlines.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Rapid City to London Heathrow Airport (average of $661). Flying from Rapid City to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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Alternative routes for Rapid City to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Rapid City to Heathrow

Discover the top 2 airlines that operate flights from Rapid City to Heathrow. 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 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$613Average$1,109FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$724Average$933FlexibilityNo cancel feeOn-time71%

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