$505+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rapid City to Heathrow
Cheapest
Best
Last-minute
One-way
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 August 25, 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 August 25, 2026.
This Delta deal was found by Cheapflights users on 8/22. 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 9/304:31 pm -
1 stop10h 49m
Wed 10/78:40 am -
2 stops20h 50m
Deal found 8/22![Delta logo]()
$887
This Delta deal was found by Cheapflights users on 8/22. 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 9/234:31 pm -
1 stop13h 34m
Wed 10/76:30 am -
2 stops16h 28m
Deal found 8/22![Delta logo]()
$888
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/234:41 pm -
1 stop12h 54m
Wed 10/77:30 am -
2 stops16h 36m
Deal found 8/22![United Airlines logo]()
$899
This Delta deal was found by Cheapflights users on 8/23. 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.
Tue 9/224:31 pm -
1 stop13h 34m
Mon 10/56:30 am -
2 stops16h 21m
Deal found 8/23![Delta logo]()
$938
This Delta deal was found by Cheapflights users on 8/23. 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.
Thu 9/2410:42 am -
2 stops20h 03m
Tue 10/68:40 am -
2 stops20h 50m
Deal found 8/23![Delta logo]()
$943
This Delta deal was found by Cheapflights users on 8/22. 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 9/232:30 pm -
1 stop15h 35m
Sun 10/46:15 am -
2 stops16h 36m
Deal found 8/22![Delta logo]()
$945
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 August 25, 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 August 25, 2026.
This Delta deal was found by Cheapflights users on 8/23. 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 9/232:30 pm -
1 stop15h 35m
Wed 10/78:40 am -
2 stops20h 50m
Deal found 8/23![Delta logo]()
$888
This KLM deal was found by Cheapflights users on 8/25. 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 9/302:30 pm -
1 stop12h 50m
Wed 10/76:30 am -
2 stops16h 28m
Deal found 8/25![KLM logo]()
$888
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/2311:22 am -
2 stops17h 33m
Wed 10/77:45 am -
2 stops18h 23m
Deal found 8/22![United Airlines logo]()
$922
This Delta deal was found by Cheapflights users on 8/21. 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 9/302:30 pm -
2 stops15h 45m
Wed 10/76:30 am -
2 stops16h 28m
Deal found 8/21![Delta logo]()
$891
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/237:00 am -
1 stop22h 35m
Sun 10/48:30 am -
3 stops32h 45m
Deal found 8/22![United Airlines logo]()
$953
This Delta deal was found by Cheapflights users on 8/23. 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.
Thu 9/2410:42 am -
2 stops20h 03m
Tue 10/68:40 am -
2 stops20h 50m
Deal found 8/23![Delta logo]()
$943
This Delta deal was found by Cheapflights users on 8/23. 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 9/232:30 pm -
1 stop15h 35m
Sun 10/46:15 am -
2 stops16h 36m
Deal found 8/23![Delta logo]()
$945
Last-minute flights from Rapid City to HeathrowDiscover last-minute flight deals from Rapid City to Heathrow. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Heathrow. Data last updated August 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/23. 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.
Tue 9/224:31 pm -
1 stop13h 34m
Mon 10/56:30 am -
2 stops16h 21m
Deal found 8/23![Delta logo]()
$938
This Delta deal was found by Cheapflights users on 8/23. 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 9/232:30 pm -
1 stop15h 35m
Wed 10/78:40 am -
2 stops20h 50m
Deal found 8/23![Delta logo]()
$888
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/234:41 pm -
1 stop12h 54m
Wed 10/77:30 am -
2 stops16h 36m
Deal found 8/22![United Airlines logo]()
$899
This Delta deal was found by Cheapflights users on 8/22. 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 9/232:30 pm -
1 stop15h 35m
Sun 10/46:15 am -
2 stops16h 36m
Deal found 8/22![Delta logo]()
$945
This Delta deal was found by Cheapflights users on 8/23. 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.
Thu 9/2410:42 am -
2 stops20h 03m
Tue 10/68:40 am -
2 stops20h 50m
Deal found 8/23![Delta logo]()
$943
This Delta deal was found by Cheapflights users on 8/22. 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 9/304:31 pm -
1 stop10h 49m
Wed 10/78:40 am -
2 stops20h 50m
Deal found 8/22![Delta logo]()
$887
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 August 25, 2026.
Search for one-way flight options from Rapid City to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:17 pm -
2 stops33h 33m
Deal found 8/23![Multiple Airlines logo]()
$505
This KLM deal was found by Cheapflights users on 8/23. 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.
Fri 11/2011:29 am -
1 stop12h 36m
Deal found 8/23![KLM logo]()
$718
This BusinessClass deal was found by Cheapflights users on 8/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:04 pm -
2 stops36h 06m
Deal found 8/24![British Airways logo]()
$3,269
This Arangrant deal was found by Cheapflights users on 8/21. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:51 pm -
1 stop15h 09m
Deal found 8/21![Iberia logo]()
$3,407
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 August 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $754 (United Airlines) |
One-way from | $505 (Kiwi.com) |
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 7,457,451 searches. Data last updated August 25, 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
Cheapest round-trip
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Wed 9/23
2:30 pm-1:05 pm
1 stop15h 35m
London Heathrow
Wed 10/7
8:40 am-10:30 pm
2 stops20h 50m
$888
Quickest round-trip
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Wed 9/30
2:30 pm-10:20 am
1 stop12h 50m
London Heathrow
Wed 10/7
6:30 am-3:58 pm
2 stops16h 28m
$888
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Wed 9/30
2:30 pm-1:15 pm
2 stops15h 45m
London Heathrow
Wed 10/7
6:30 am-3:58 pm
2 stops16h 28m
$891
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Wed 9/23
11:22 am-11:55 am
2 stops17h 33m
London Heathrow
Wed 10/7
7:45 am-7:08 pm
2 stops18h 23m
$922
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Thu 9/24
10:42 am-1:45 pm
2 stops20h 03m
London Heathrow
Tue 10/6
8:40 am-10:30 pm
2 stops20h 50m
$943
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Wed 9/23
2:30 pm-1:05 pm
1 stop15h 35m
London Heathrow
Sun 10/4
6:15 am-3:51 pm
2 stops16h 36m
$945
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Wed 9/23
7:00 am-12:35 pm
1 stop22h 35m
London Heathrow
Sun 10/4
8:30 am-10:15 am
3 stops32h 45m
$953
Cheapest one-way
Quickest one-way
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Fri 11/20
11:29 am-7:05 am
1 stop12h 36m
$718
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Sun 10/25
12:51 pm-11:35 am
2 stops16h 44m
$3,405
Rapid CityLondon
RAP Rapid City - LHR London Heathrow
RAPLHR
Rapid City
Sun 10/25
12:51 pm-10:00 am
1 stop15h 09m
$3,407
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
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
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 August 25, 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.
Entertainment
7.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Winchester
Gatwick
Hounslow
Harrow
Eastleigh
Wembley
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
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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 August 25, 2026.
Rapid City and Heathrow flights
Browse other Rapid City and Heathrow flight options. Last updated on August 25, 2026.
Other flights from Rapid City
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$695 | Average$1,027 | FlexibilityNo cancel fee | On-time69% |