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$749+ Cheap flights from Rapid City (RAP) to London (LON)

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LON
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap flight deals from Rapid City to London

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to London (LON). 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 November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$749
(Delta)

Popular in

June

Cheapest in

August

Average price

$773
Provider with most accurate pricing for Rapid City-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Rapid City-London (LON) flights.
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From Rapid City to London (LON)
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Highest demand for flights based on searches. 21% potential increase in price ($237 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Rapid City to London

Cheapest flights from Rapid City to London
Explore the most affordable flight options available from Rapid City to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:05 amRAP - LHR
1 stop18h 00mDelta
Mon 12/2211:05 amLHR - RAP
1 stop18h 36mDelta
Deal found 10/31$749
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 12/1512:41 pmRAP - LHR
2 stops15h 09mUnited Airlines
Mon 12/227:55 amLHR - RAP
2 stops21h 04mUnited Airlines
Deal found 10/31$753
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 12/1512:41 pmRAP - LCY
2 stops21h 59mMultiple Airlines
Mon 12/229:50 amLCY - RAP
3 stops31h 40mMultiple Airlines
Deal found 10/31$1,125
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sat 12/275:30 amRAP - LHR
1 stop18h 20mAmerican Airlines
Wed 1/78:20 amLHR - RAP
1 stop19h 55mAmerican Airlines
Deal found 11/1$6,592

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to London 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 November 2, 2025.
Use the filters below to find and compare flights from Rapid City to London that are best for you.

Fly from

Rapid City

Fly to

London

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 12/15

6:05 am-7:05 am

1 stop18h 00m

London Heathrow

Mon 12/22

11:05 am-10:41 pm

1 stop18h 36m

$749

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 12/15

12:41 pm-9:40 am

1 stop13h 59m

London Heathrow

Mon 12/22

7:55 am-9:59 pm

2 stops21h 04m

$753

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 3/27

7:05 am-9:40 am

1 stop20h 35m

London Heathrow

Tue 3/31

2:05 pm-10:53 am

2 stops27h 48m

$869

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Mon 12/15

12:41 pm-5:40 pm

2 stops21h 59m

London City

Mon 12/22

9:50 am-10:30 am

3 stops31h 40m

$1,125

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Fri 3/27

6:20 am-8:10 am

2 stops19h 50m

London City

Tue 3/31

7:45 am-10:14 pm

2 stops21h 29m

$1,745

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 4/7

5:30 am-10:00 am

2 stops21h 30m

London Heathrow

Wed 4/15

2:05 pm-10:53 am

2 stops27h 48m

$1,822

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 4/7

12:36 pm-10:45 am

1 stop15h 09m

London Heathrow

Wed 4/15

1:00 pm-8:19 pm

1 stop14h 19m

$1,930

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 4/7

10:40 am-9:15 am

2 stops15h 35m

London Heathrow

Wed 4/15

12:25 pm-9:58 pm

1 stop16h 33m

$1,979

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Compare providers for flights from Rapid City to London

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 London in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 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 flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rapid City-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-London 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to London
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated November 2, 2025.
Get a feel of what it's like to fly with United Airlines from Rapid City to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,994 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,994 reviews
United Airlines
7.4
Good
8,994 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Rapid City to London. 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?

    Rapid City (RAP) is the airport you will fly out of if you book a flight from Rapid City to London. You should not have trouble finding flights to London from Rapid City; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Rapid City airport to London. It is only a 9.0 mi journey to Rapid City (RAP) from Rapid City’s city center.

  • How long is the flight from Rapid City to London?

    Airlines like Delta and United Airlines fly from Rapid City to London in about 13h 59m. The time it takes to get you to your destination can typically vary by up to 4h 01m. There are 4385 mi between Rapid City and London. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Rapid City to London round-trip?

    Currently priced at $751, American Airlines will fly you from Rapid City to London and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $787. American Airlines is currently priced 14% below the average price you’ll pay for this route.

  • Can I find deals for flights from Rapid City to London that include hotel bookings?

    Yes. In addition to deals on Rapid City to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to London.

  • Can I find deals for business class flights from Rapid City to London?

    Yes. Cheapflights offers flight deals from Rapid City to London 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

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Top 2 airlines flying from Rapid City to London

Discover the top 2 airlines that operate flights from Rapid City to London. 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$751Average$933FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$950FlexibilityNo cancel feeOn-time69%

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