How long is the flight from Rapid City to London?

Airlines like Delta, KLM, and United Airlines fly from Rapid City to London in about 11h 20m. The time it takes to get you to your destination can typically vary by up to 8h 17m. 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 $748, United Airlines will fly you from Rapid City to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $751. United Airlines is currently priced 16% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Rapid City to London one-way?

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $449. Users have also found prices from $459 and $569 on United Airlines and Delta, respectively.

What is the cheapest month to book a flight from Rapid City to London?

Currently, November is the cheapest month in which you can book a flight from Rapid City to London (average of $661). Flying from Rapid City to London 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.

What is the cheapest day to fly from Rapid City to London?

Travelers seeking maximum savings on their Rapid City to London flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest day to fly round-trip from Rapid City to London?

Users have found that flying from Rapid City to London on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Rapid City to London?

The best pricing can be found in the month of August. Prices to London from Rapid City average $892. You can even find prices in August for less than $892, as users have found deals to London from as low as $664. The month of June appears to be one of the more expensive times to travel to London from Rapid City. Flying in the targeted month can save you up to 43%.

What is the cheapest time of day to fly from RAP to LON?

It’s typically best to fly out from Rapid City to London in the afternoon. Doing so could potentially save you 30% on the flight price compared to flying at noon, which is usually more expensive.

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.

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.

$449+ Cheap Flights from Rapid City to London

Q: How much does it cost to fly round-trip from Rapid City to London?

Airfare is below average for this route at the moment. Rapid City to London flights typically cost between $980 and $990 in October. The cheapest round-trip price found within the last 3 days was $624 on Delta (Oct 29-Nov 5).

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Cheap flight deals from Rapid City to London

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 (LON)

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One-way flight from Rapid City to London (LON)

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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 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 September 15, 2025.

Sun 10/1210:33 amRAP - LHR

1 stop19h 37mDelta

Thu 10/238:40 amLHR - RAP

2 stops20h 56mDelta

Deal found 9/14

$624

Wed 10/296:05 amRAP - LHR

2 stops20h 55mDelta

Wed 11/56:30 amLHR - RAP

2 stops23h 06mDelta

Deal found 9/14

$629

Sun 10/1210:33 amRAP - LHR

1 stop19h 37mKLM

Thu 10/2312:25 pmLHR - RAP

1 stop17h 11mKLM

Deal found 9/14

$631

Tue 9/302:27 pmRAP - LCY

2 stops19h 13mDelta

Thu 10/98:40 amLCY - RAP

2 stops20h 56mDelta

Deal found 9/14

$673

Wed 10/18:30 amRAP - LHR

2 stops16h 10mUnited Airlines

Fri 10/106:55 amLHR - RAP

2 stops18h 45mUnited Airlines

Deal found 9/14

$702

Tue 9/308:30 amRAP - LHR

1 stop20h 50mUnited Airlines

Thu 10/911:25 amLHR - RAP

1 stop16h 09mUnited Airlines

Deal found 9/14

$712

Sat 10/1110:33 amRAP - LHR

1 stop19h 37mDelta

Tue 10/218:40 amLHR - RAP

2 stops20h 56mDelta

Deal found 9/13

$714

Wed 10/18:30 amRAP - LHR

2 stops16h 10mUnited Airlines

Thu 10/910:00 amLHR - RAP

2 stops17h 34mUnited Airlines

Deal found 9/14

$716

Wed 10/18:30 amRAP - LHR

1 stop18h 10mUnited Airlines

Sat 10/1110:15 amLHR - RAP

2 stops33h 22mUnited Airlines

Deal found 9/14

$720

Tue 9/308:30 amRAP - LHR

2 stops15h 45mUnited Airlines

Mon 10/1311:25 amLHR - RAP

1 stop12h 35mUnited Airlines

Deal found 9/14

$735

Tue 9/308:30 amRAP - LHR

2 stops15h 05mUnited Airlines

Sat 10/118:00 amLHR - RAP

2 stops17h 40mUnited Airlines

Deal found 9/14

$742

Thu 10/23:20 pmRAP - LHR

1 stop11h 20mUnited Airlines

Fri 10/1011:25 amLHR - RAP

1 stop12h 35mUnited Airlines

Deal found 9/14

$743

Best flights from Rapid City to London
Discover carefully curated flight deals from Rapid City to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Wed 10/296:05 amRAP - LHR

1 stop19h 00mDelta

Wed 11/58:40 amLHR - RAP

2 stops20h 56mDelta

Deal found 9/14

$624

Sun 10/1210:33 amRAP - LHR

1 stop19h 37mKLM

Thu 10/2312:25 pmLHR - RAP

1 stop17h 11mKLM

Deal found 9/13

$631

Wed 10/13:20 pmRAP - LHR

1 stop11h 20mUnited Airlines

Fri 10/101:40 pmLHR - RAP

2 stops27h 33mUnited Airlines

Deal found 9/14

$712

Wed 10/298:45 amRAP - LCY

3 stops18h 20mMultiple Airlines

Wed 11/56:10 pmLCY - RAP

2 stops31h 33mMultiple Airlines

Deal found 9/14

$771

Tue 9/302:27 pmRAP - LCY

2 stops19h 13mDelta

Thu 10/98:40 amLCY - RAP

2 stops20h 56mDelta

Deal found 9/14

$673

Tue 9/307:00 amRAP - LHR

2 stops16h 30mUnited Airlines

Fri 10/101:40 pmLHR - RAP

2 stops27h 33mUnited Airlines

Deal found 9/14

$712

Wed 10/13:20 pmRAP - LHR

1 stop11h 20mUnited Airlines

Thu 10/91:40 pmLHR - RAP

2 stops27h 33mUnited Airlines

Deal found 9/14

$712

Sat 10/1110:33 amRAP - LHR

1 stop19h 37mDelta

Tue 10/218:40 amLHR - RAP

2 stops20h 56mDelta

Deal found 9/13

$714

Fri 10/311:00 amRAP - LCY

2 stops15h 30mMultiple Airlines

Fri 10/109:20 amLCY - RAP

2 stops20h 16mMultiple Airlines

Deal found 9/14

$850

Sat 10/115:50 pmRAP - LHR

1 stop32h 50mUnited Airlines

Tue 10/212:05 pmLHR - RAP

2 stops27h 08mUnited Airlines

Deal found 9/14

$714

Sun 10/126:05 amRAP - LCY

2 stops18h 10mDelta

Thu 10/237:45 amLCY - RAP

2 stops21h 51mDelta

Deal found 9/13

$789

Wed 10/18:30 amRAP - LHR

2 stops16h 10mUnited Airlines

Sat 10/1110:15 amLHR - RAP

2 stops33h 22mUnited Airlines

Deal found 9/14

$725

Last-minute flights from Rapid City to London
Discover last-minute flight deals from Rapid City to London. Data last updated September 15, 2025 and is based on user searches.

Tue 9/302:27 pmRAP - LCY

2 stops19h 13mDelta

Thu 10/98:40 amLCY - RAP

2 stops20h 56mDelta

Deal found 9/14

$673

Tue 9/3011:15 amRAP - LHR

1 stop15h 25mUnited Airlines

Thu 10/91:40 pmLHR - RAP

2 stops27h 33mUnited Airlines

Deal found 9/14

$712

Tue 9/308:30 amRAP - LHR

2 stops15h 15mUnited Airlines

Sun 10/1211:25 amLHR - RAP

1 stop12h 35mUnited Airlines

Deal found 9/14

$735

Tue 9/308:30 amRAP - LHR

2 stops15h 05mUnited Airlines

Sat 10/118:00 amLHR - RAP

2 stops17h 40mUnited Airlines

Deal found 9/14

$742

Wed 10/18:30 amRAP - LHR

2 stops16h 10mUnited Airlines

Fri 10/106:55 amLHR - RAP

2 stops18h 45mUnited Airlines

Deal found 9/14

$702

Wed 10/18:30 amRAP - LHR

2 stops16h 10mUnited Airlines

Thu 10/910:00 amLHR - RAP

2 stops17h 34mUnited Airlines

Deal found 9/14

$716

Wed 10/18:30 amRAP - LHR

1 stop18h 10mUnited Airlines

Sat 10/1110:15 amLHR - RAP

2 stops33h 22mUnited Airlines

Deal found 9/14

$720

Thu 10/23:20 pmRAP - LHR

1 stop11h 20mUnited Airlines

Fri 10/1011:25 amLHR - RAP

1 stop12h 35mUnited Airlines

Deal found 9/14

$743

Sat 10/115:50 pmRAP - LHR

1 stop32h 50mUnited Airlines

Tue 10/212:05 pmLHR - RAP

2 stops27h 08mUnited Airlines

Deal found 9/14

$714

Sun 10/1210:33 amRAP - LHR

1 stop19h 37mDelta

Thu 10/238:40 amLHR - RAP

2 stops20h 56mDelta

Deal found 9/14

$624

Sun 10/1210:33 amRAP - LHR

1 stop19h 37mKLM

Thu 10/2312:25 pmLHR - RAP

1 stop17h 11mKLM

Deal found 9/14

$631

Wed 10/296:05 amRAP - LHR

2 stops20h 55mDelta

Wed 11/56:30 amLHR - RAP

2 stops23h 06mDelta

Deal found 9/14

$629

One-way flights from Rapid City to London
Search for one-way flight options from Rapid City to London. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Tue 9/235:00 pmRAP - LHR

1 stop12h 45mAmerican Airlines

Deal found 9/15

$449

Mon 9/228:32 amRAP - LHR

2 stops17h 48mUnited Airlines

Deal found 9/13

$459

Tue 9/235:59 pmRAP - LHR

2 stops19h 41mUnited Airlines

Deal found 9/15

$465

Tue 9/232:27 pmRAP - LCY

2 stops19h 13mDelta

Deal found 9/15

$569

Mon 9/2211:00 amRAP - LCY

2 stops14h 50mKLM

Deal found 9/13

$617

Tue 9/2311:18 amRAP - LCY

3 stops18h 12mUnited Airlines

Deal found 9/15

$692

Mon 9/2211:18 amRAP - LCY

3 stops18h 12mUnited Airlines

Deal found 9/13

$914

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/29

6:05 am-7:05 am

1 stop19h 00m

London Heathrow

Wed 11/5

8:40 am-10:36 pm

2 stops20h 56m

$624

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 10/12

10:33 am-1:10 pm

1 stop19h 37m

London Heathrow

Thu 10/23

12:25 pm-10:36 pm

1 stop17h 11m

$631

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Tue 9/30

2:27 pm-4:40 pm

2 stops19h 13m

London City

Thu 10/9

8:40 am-10:36 pm

2 stops20h 56m

$673

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/1

3:20 pm-9:40 am

1 stop11h 20m

London Heathrow

Fri 10/10

1:40 pm-10:13 am

2 stops27h 33m

$712

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/30

7:00 am-6:30 am

2 stops16h 30m

London Heathrow

Fri 10/10

1:40 pm-10:13 am

2 stops27h 33m

$712

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/1

3:20 pm-9:40 am

1 stop11h 20m

London Heathrow

Thu 10/9

1:40 pm-10:13 am

2 stops27h 33m

$712

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 10/11

10:33 am-1:10 pm

1 stop19h 37m

London Heathrow

Tue 10/21

8:40 am-10:36 pm

2 stops20h 56m

$714

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 10/11

5:50 pm-9:40 am

1 stop32h 50m

London Heathrow

Tue 10/21

2:05 pm-10:13 am

2 stops27h 08m

$714

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/1

8:30 am-7:40 am

2 stops16h 10m

London Heathrow

Sat 10/11

10:15 am-12:37 pm

2 stops33h 22m

$725

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 10/29

8:45 am-9:05 am

3 stops18h 20m

London City

Wed 11/5

6:10 pm-6:43 pm

2 stops31h 33m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 25 results

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

How much does it cost to fly round-trip from Rapid City to London?

Reviews of airlines servicing London

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

8,929 reviews

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

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

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, KLM, and United Airlines fly from Rapid City to London in about 11h 20m. The time it takes to get you to your destination can typically vary by up to 8h 17m. 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 $748, United Airlines will fly you from Rapid City to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $751. United Airlines is currently priced 16% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Rapid City to London one-way?
For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $449. Users have also found prices from $459 and $569 on United Airlines and Delta, respectively.
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.
What is the cheapest month to book a flight from Rapid City to London?
Currently, November is the cheapest month in which you can book a flight from Rapid City to London (average of $661). Flying from Rapid City to London 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

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Hayes

Southend-on-Sea

Harrow

Canterbury

Croydon

Eastleigh

Dartford

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Gatwick

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Wembley

Folkestone

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Top 2 airlines flying from Rapid City to London

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$748	Average$1,054	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$751	Average$933	FlexibilityNo cancel fee	On-time71%

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$449+ Cheap flights from Rapid City (RAP) to London (LON)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Rapid City to London

Cheapest flights from Rapid City to LondonExplore 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 September 15, 2025.

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 September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Rapid City to London that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to London

How much does it cost to fly round-trip from Rapid City to London?

Reviews of airlines servicing London

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.

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?

How long is the flight from Rapid City to London?

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

What are the cheapest airlines to fly from Rapid City to London one-way?

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

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

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

What is the cheapest month to book a flight from Rapid City to London?

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Alternative routes for Rapid City to London

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Top 2 airlines flying from Rapid City to London

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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 September 15, 2025.