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$831+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Cheap 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 July 11, 2026.

This United Airlines deal was found by Cheapflights users on 7/6. 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.
Tue 12/15:48 pm
RAP
-
LHR
1 stop32h 52m
United Airlines
Fri 12/49:30 am
LHR
-
RAP
2 stops16h 38m
United Airlines
Deal found 7/6$831
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sun 10/255:04 pm
RAP
-
LHR
1 stop13h 11m
American Airlines
Wed 11/48:10 am
LHR
-
RAP
2 stops20h 07m
American Airlines
Deal found 7/7$867
This KLM deal was found by Cheapflights users on 7/11. 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 11/1511:30 am
RAP
-
LHR
1 stop12h 35m
KLM
Wed 11/188:40 am
LHR
-
RAP
2 stops20h 59m
KLM
Deal found 7/11$876
This Delta deal was found by Cheapflights users on 7/7. 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.
Sun 10/252:32 pm
RAP
-
LHR
2 stops15h 08m
Delta
Wed 11/46:30 am
LHR
-
RAP
2 stops23h 00m
Delta
Deal found 7/7$880
This KLM deal was found by Cheapflights users on 7/9. 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 11/14:38 pm
RAP
-
LHR
2 stops14h 12m
KLM
Wed 11/116:30 am
LHR
-
RAP
2 stops23h 09m
KLM
Deal found 7/9$884
This KLM deal was found by Cheapflights users on 7/7. 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 10/2511:41 am
RAP
-
LHR
1 stop13h 24m
KLM
Wed 11/411:05 am
LHR
-
RAP
1 stop18h 25m
KLM
Deal found 7/7$904
This KLM deal was found by Cheapflights users on 7/6. 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.
Wed 8/194:30 pm
RAP
-
LHR
1 stop13h 35m
KLM
Wed 8/266:30 am
LHR
-
RAP
2 stops16h 19m
KLM
Deal found 7/6$935
This Delta deal was found by Cheapflights users on 7/6. 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.
Wed 8/196:48 am
RAP
-
LHR
2 stops17h 22m
Delta
Wed 8/266:30 am
LHR
-
RAP
2 stops14h 18m
Delta
Deal found 7/6$939

Find 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 July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$831
(United Airlines)
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
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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 July 11, 2026.
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 - LHR

RAPLHR

Rapid City

Sun 10/25

5:04 pm-12:15 pm

1 stop13h 11m

London Heathrow

Wed 11/4

8:10 am-9:17 pm

2 stops20h 07m

$867

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 11/15

11:30 am-7:05 am

1 stop12h 35m

London Heathrow

Wed 11/18

8:40 am-10:39 pm

2 stops20h 59m

$876

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 11/1

4:38 pm-1:50 pm

2 stops14h 12m

London Heathrow

Wed 11/11

6:30 am-10:39 pm

2 stops23h 09m

$884

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 12/1

12:50 pm-12:00 pm

2 stops16h 10m

London Heathrow

Fri 12/4

7:30 am-7:08 pm

2 stops18h 38m

$890

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/19

2:32 pm-1:15 pm

2 stops15h 43m

London Heathrow

Wed 8/26

6:30 am-3:49 pm

2 stops16h 19m

$940

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 9/18

4:31 pm-1:05 pm

1 stop13h 34m

London Heathrow

Mon 11/2

3:45 pm-3:57 pm

2 stops31h 12m

$985
Quickest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/19

1:30 pm-8:30 am

1 stop12h 00m

London Heathrow

Wed 8/26

6:55 am-5:06 pm

2 stops17h 11m

$988

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 9/18

6:48 am-1:05 pm

1 stop23h 17m

London Heathrow

Mon 11/2

5:35 pm-3:57 pm

2 stops29h 22m

$1,011

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 8/20

2:32 pm-1:05 pm

1 stop15h 33m

London Heathrow

Mon 8/31

8:40 am-10:37 pm

2 stops20h 57m

$1,035

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 8/21

4:30 pm-1:05 pm

1 stop13h 35m

London Heathrow

Mon 8/31

8:40 am-10:37 pm

2 stops20h 57m

$1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

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 July 11, 2026.
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
9,976 reviews

Crew

8.1

Overall

7.4

Food

6.7

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,976 reviews
United Airlines
7.4
Good
9,976 reviews

Crew

8.1

Overall

7.4

Food

6.7

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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. 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 13h 11m. Fly via United Airlines, American Airlines, or Delta 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Watford
Northampton
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

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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 airline flying from Rapid City to Heathrow

Discover the top airline 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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$695Average$918FlexibilityNo cancel feeOn-time69%

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