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Heathrow

$384+ Cheap flights from Rapid City (RAP) to Heathrow (LHR)

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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
May 2 — May 91
Sat 5/2
Sat 5/9
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 April 2, 2026.

This United Airlines deal was found by Cheapflights users on 3/29. 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.
Mon 12/75:30 am
RAP
-
LHR
2 stops23h 20m
United Airlines
Wed 12/96:35 am
LHR
-
RAP
2 stops19h 33m
United Airlines
Deal found 3/29$749
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 8/1211:08 am
RAP
-
LHR
1 stop15h 32m
United Airlines
Wed 8/266:50 am
LHR
-
RAP
2 stops18h 34m
United Airlines
Deal found 3/31$874
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 8/99:00 am
RAP
-
LHR
1 stop20h 20m
United Airlines
Wed 9/97:25 am
LHR
-
RAP
2 stops21h 58m
United Airlines
Deal found 3/28$876
This United Airlines deal was found by Cheapflights users on 3/28. 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 8/155:53 pm
RAP
-
LHR
1 stop32h 47m
United Airlines
Wed 9/97:25 am
LHR
-
RAP
2 stops21h 58m
United Airlines
Deal found 3/28$881
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 8/910:21 am
RAP
-
LHR
1 stop18h 59m
United Airlines
Fri 9/117:30 am
LHR
-
RAP
2 stops17h 54m
United Airlines
Deal found 3/28$887
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Tue 8/1111:08 am
RAP
-
LHR
2 stops15h 12m
United Airlines
Fri 9/117:30 am
LHR
-
RAP
2 stops17h 54m
United Airlines
Deal found 3/28$891

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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$874
(United Airlines)

One-way from

$384
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$741
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
Highest demand for flights based on searches. 19% potential increase in price ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 2, 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
Quickest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

11:08 am-9:40 am

1 stop15h 32m

London Heathrow

Wed 8/26

6:50 am-6:24 pm

2 stops18h 34m

$874

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

11:08 am-9:40 am

1 stop15h 32m

London Heathrow

Fri 9/11

6:50 am-6:24 pm

2 stops18h 34m

$874

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

7:00 am-9:40 am

1 stop19h 40m

London Heathrow

Fri 9/11

7:30 am-6:24 pm

2 stops17h 54m

$887
Cheapest one-way

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 7/31

9:00 am-12:20 pm

1 stop20h 20m

$384

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 7/31

5:09 pm-5:50 pm

3 stops41h 41m

$614
Quickest one-way

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 5/19

2:35 pm-9:40 am

1 stop12h 05m

$658

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 5/21

2:29 pm-5:20 pm

3 stops43h 51m

$681

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 5/20

7:00 am-9:40 am

1 stop19h 40m

$715

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 5/21

6:00 am-10:00 am

2 stops21h 00m

$721

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 5/20

6:50 am-4:00 pm

3 stops26h 10m

$3,729

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Sorted by cheapest first

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
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 April 2, 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
9,533 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,533 reviews
United Airlines
7.4
Good
9,533 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 15h 32m. Fly via United Airlines to get the fastest option. The distance from Rapid City to London Heathrow Airport is about 4385 mi.

  • 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
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton

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Alternative routes for Rapid City to Heathrow

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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 April 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$695Average$908FlexibilityNo cancel feeOn-time69%

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