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$449+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
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 septiembre 15, 2025.

Round-trip from

$624
(Delta)

One-way from

$449
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$985
From Rapid City to London Heathrow
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One-way flight from Rapid City to London Heathrow
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Highest demand for flights based on searches. 20% potential increase in price ($225 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 15, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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.
dom. 10/1210:33 amRAP - LHR
1 stop19h 37mDelta
jue. 10/238:40 amLHR - RAP
2 stops20h 56mDelta
Deal found 9/14$624
This Delta deal was found by Cheapflights users on 9/14. 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.
mié. 10/296:05 amRAP - LHR
2 stops20h 55mDelta
mié. 11/56:30 amLHR - RAP
2 stops23h 06mDelta
Deal found 9/14$629
This KLM deal was found by Cheapflights users on 9/14. 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.
dom. 10/1210:33 amRAP - LHR
1 stop19h 37mKLM
jue. 10/2312:25 pmLHR - RAP
1 stop17h 11mKLM
Deal found 9/14$631
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/18:30 amRAP - LHR
2 stops16h 10mUnited Airlines
vie. 10/106:55 amLHR - RAP
2 stops18h 45mUnited Airlines
Deal found 9/14$702
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mar. 9/308:30 amRAP - LHR
1 stop20h 50mUnited Airlines
jue. 10/911:25 amLHR - RAP
1 stop16h 09mUnited Airlines
Deal found 9/14$712
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/1110:33 amRAP - LHR
1 stop19h 37mDelta
mar. 10/218:40 amLHR - RAP
2 stops20h 56mDelta
Deal found 9/13$714
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/18:30 amRAP - LHR
2 stops16h 10mUnited Airlines
jue. 10/910:00 amLHR - RAP
2 stops17h 34mUnited Airlines
Deal found 9/14$716
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/18:30 amRAP - LHR
1 stop18h 10mUnited Airlines
sáb. 10/1110:15 amLHR - RAP
2 stops33h 22mUnited Airlines
Deal found 9/14$720
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mar. 9/308:30 amRAP - LHR
2 stops15h 45mUnited Airlines
lun. 10/1311:25 amLHR - RAP
1 stop12h 35mUnited Airlines
Deal found 9/14$735
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mar. 9/308:30 amRAP - LHR
2 stops15h 05mUnited Airlines
sáb. 10/118:00 amLHR - RAP
2 stops17h 40mUnited Airlines
Deal found 9/14$742
This United Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 10/23:20 pmRAP - LHR
1 stop11h 20mUnited Airlines
vie. 10/1011:25 amLHR - RAP
1 stop12h 35mUnited Airlines
Deal found 9/14$743

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 septiembre 15, 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

mié. 10/29

6:05 am-7:05 am

1 stop19h 00m

London Heathrow

mié. 11/5

8:40 am-10:36 pm

2 stops20h 56m

$624

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

dom. 10/12

10:33 am-1:10 pm

1 stop19h 37m

London Heathrow

jue. 10/23

12:25 pm-10:36 pm

1 stop17h 11m

$631

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

mié. 10/1

3:20 pm-9:40 am

1 stop11h 20m

London Heathrow

vie. 10/10

1:40 pm-10:13 am

2 stops27h 33m

$712

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

mar. 9/30

7:00 am-6:30 am

2 stops16h 30m

London Heathrow

vie. 10/10

1:40 pm-10:13 am

2 stops27h 33m

$712

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

mié. 10/1

3:20 pm-9:40 am

1 stop11h 20m

London Heathrow

jue. 10/9

1:40 pm-10:13 am

2 stops27h 33m

$712

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

sáb. 10/11

10:33 am-1:10 pm

1 stop19h 37m

London Heathrow

mar. 10/21

8:40 am-10:36 pm

2 stops20h 56m

$714

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

sáb. 10/11

5:50 pm-9:40 am

1 stop32h 50m

London Heathrow

mar. 10/21

2:05 pm-10:13 am

2 stops27h 08m

$714

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

mié. 10/1

8:30 am-7:40 am

2 stops16h 10m

London Heathrow

sáb. 10/11

10:15 am-12:37 pm

2 stops33h 22m

$725

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

lun. 9/22

5:00 pm-12:45 pm

1 stop12h 45m

$449

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

mar. 9/23

5:00 pm-2:25 pm

1 stop14h 25m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 12 results
1
2

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 septiembre 15, 2025.
Read through reviews of airlines operating flights from Rapid City to London Heathrow Airport, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 11h 20m. Fly via Delta, KLM, 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 are the cheapest airlines flying 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. An alternate airline flying to your destination would be American 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 $1,097). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone
Chichester

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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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$748Average$1,054FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$751Average$933FlexibilityNo cancel feeOn-time71%

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