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$594+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$594
(Delta)
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
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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 January 15, 2026.

This Delta deal was found by Cheapflights users on 1/15. 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 1/2510:54 am
RAP
-
LHR
1 stop13h 11m
Delta
Tue 2/106:20 am
LHR
-
RAP
2 stops34h 51m
Delta
Deal found 1/15$594
This American Airlines deal was found by Cheapflights users on 1/15. 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 1/256:00 am
RAP
-
LHR
1 stop22h 40m
American Airlines
Tue 2/102:45 pm
LHR
-
RAP
1 stop29h 49m
American Airlines
Deal found 1/15$601
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 1/2910:45 am
RAP
-
LHR
1 stop15h 55m
United Airlines
Mon 2/22:30 pm
LHR
-
RAP
2 stops31h 52m
United Airlines
Deal found 1/13$735
This United Airlines deal was found by Cheapflights users on 1/15. 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 6/233:21 pm
RAP
-
LHR
1 stop13h 59m
United Airlines
Thu 7/96:55 am
LHR
-
RAP
2 stops20h 38m
United Airlines
Deal found 1/15$1,113
This United Airlines deal was found by Cheapflights users on 1/15. 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 6/237:05 am
RAP
-
LHR
2 stops16h 25m
United Airlines
Tue 7/146:55 am
LHR
-
RAP
2 stops20h 38m
United Airlines
Deal found 1/15$1,117
This United Airlines deal was found by Cheapflights users on 1/15. 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 6/2810:45 am
RAP
-
LHR
2 stops18h 05m
United Airlines
Fri 7/106:55 am
LHR
-
RAP
2 stops20h 38m
United Airlines
Deal found 1/15$1,121
This United Airlines deal was found by Cheapflights users on 1/15. 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 6/236:20 am
RAP
-
LHR
1 stop17h 25m
United Airlines
Wed 7/1511:25 am
LHR
-
RAP
1 stop16h 08m
United Airlines
Deal found 1/15$1,142
This United Airlines deal was found by Cheapflights users on 1/15. 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 6/275:48 pm
RAP
-
LHR
1 stop32h 52m
United Airlines
Fri 7/106:55 am
LHR
-
RAP
2 stops20h 38m
United Airlines
Deal found 1/15$1,150

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 January 15, 2026.
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

Sun 1/25

6:00 am-6:50 am

2 stops17h 50m

London Heathrow

Tue 2/10

6:20 am-10:11 am

2 stops34h 51m

$594

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 1/29

10:45 am-9:40 am

1 stop15h 55m

London Heathrow

Mon 2/2

2:30 pm-3:22 pm

2 stops31h 52m

$735

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 6/29

8:35 am-9:40 am

1 stop18h 05m

London Heathrow

Thu 7/9

6:55 am-8:33 pm

2 stops20h 38m

$1,113

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 6/23

3:21 pm-12:20 pm

1 stop13h 59m

London Heathrow

Thu 7/9

6:55 am-8:33 pm

2 stops20h 38m

$1,113

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 6/23

5:30 am-6:30 am

2 stops18h 00m

London Heathrow

Fri 7/10

6:55 am-8:33 pm

2 stops20h 38m

$1,117

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 6/24

7:05 am-10:00 am

2 stops19h 55m

London Heathrow

Fri 7/10

6:55 am-8:33 pm

2 stops20h 38m

$1,117

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rapid City-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 January 15, 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
9,164 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

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
9,164 reviews
United Airlines
7.4
Good
9,164 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

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 55m. Fly via Delta or United Airlines 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 $748, 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
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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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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Rapid City to London City flights

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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$748Average$937FlexibilityNo cancel feeOn-time69%

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