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Cheap flights from London to Rapid City from $812

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Rapid City departing on 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:40 am - 10:16 pm
LHR
-
RAP
21h 36m
2 stops
United Airlines Logo
5:41 pm - 9:40 am
RAP
-
LHR
33h 59m
1 stop
$1,091United Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
9:30 am - 6:54 pm
LHR
-
RAP
16h 24m
2 stops
United Airlines Logo
12:00 pm - 11:15 am
RAP
-
LHR
17h 15m
2 stops
$1,093United Airlines
Mon, Mar 2 - Mon, Mar 9
American Airlines Logo
10:05 am - 10:51 pm
LHR
-
RAP
19h 46m
1 stop
American Airlines Logo
5:32 am - 8:15 am
RAP
-
LHR
20h 43m
1 stop
$1,170American Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
11:35 am - 8:44 pm
LHR
-
RAP
16h 09m
1 stop
United Airlines Logo
5:40 pm - 9:40 am
RAP
-
LHR
33h 00m
1 stop
$1,204United Airlines
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
12:05 pm - 10:16 pm
LHR
-
RAP
17h 11m
2 stops
United Airlines Logo
5:40 pm - 9:40 am
RAP
-
LHR
33h 00m
1 stop
$1,205United Airlines
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
7:40 am - 6:54 pm
LHR
-
RAP
18h 14m
2 stops
United Airlines Logo
10:55 am - 10:50 am
RAP
-
LHR
16h 55m
2 stops
$1,234United Airlines
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
10:25 am - 8:44 pm
LHR
-
RAP
17h 19m
2 stops
United Airlines Logo
7:00 am - 5:55 am
RAP
-
LHR
15h 55m
2 stops
$1,235United Airlines
Thu, Feb 19 - Sun, Feb 22
KLM Logo
8:05 pm - 3:44 pm
LCY
-
RAP
26h 39m
2 stops
KLM Logo
11:03 am - 8:50 am
RAP
-
LCY
15h 47m
2 stops
$1,271KLM
Mon, Mar 2 - Mon, Mar 9

United Airlines flights from London to Rapid City

Our best United Airlines deals on London to Rapid City flight tickets
United Airlines
Mar 2
LHR7:40 amLondon Heathrow
21h 36m
2 stops
RAP10:16 pmRapid City
Mar 9
RAP5:41 pmRapid City
33h 59m
1 stop
LHR9:40 amLondon Heathrow
$1,091
United Airlines
Mar 2
LHR9:30 amLondon Heathrow
16h 24m
2 stops
RAP6:54 pmRapid City
Mar 9
RAP12:00 pmRapid City
17h 15m
2 stops
LHR11:15 amLondon Heathrow
$1,093
United Airlines
Feb 19
LHR10:00 amLondon Heathrow
17h 44m
2 stops
RAP8:44 pmRapid City
Feb 22
RAP5:40 pmRapid City
33h 00m
1 stop
LHR9:40 amLondon Heathrow
$1,204

momondo Fare Finder

 
Customize your flight search to find flights from London to Rapid City 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, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from London to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 3/2

7:40 am-10:16 pm

2 stops21h 36m

Rapid City

Mon 3/9

5:41 pm-9:40 am

1 stop33h 59m

$1,091

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 3/2

9:30 am-6:54 pm

2 stops16h 24m

Rapid City

Mon 3/9

12:00 pm-11:15 am

2 stops17h 15m

$1,093

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Mon 3/2

10:05 am-10:51 pm

1 stop19h 46m

Rapid City

Mon 3/9

5:32 am-8:15 am

1 stop20h 43m

$1,170

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 2/19

11:35 am-8:44 pm

1 stop16h 09m

Rapid City

Sun 2/22

5:40 pm-9:40 am

1 stop33h 00m

$1,204

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 2/19

12:05 pm-10:16 pm

2 stops17h 11m

Rapid City

Sun 2/22

5:40 pm-9:40 am

1 stop33h 00m

$1,205

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 2/19

7:40 am-6:54 pm

2 stops18h 14m

Rapid City

Sun 2/22

10:55 am-10:50 am

2 stops16h 55m

$1,234

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Thu 2/19

10:25 am-8:44 pm

2 stops17h 19m

Rapid City

Sun 2/22

7:00 am-5:55 am

2 stops15h 55m

$1,235

LondonRapid City

LCY - RAP

LCYRAP

London City

Mon 3/2

8:05 pm-3:44 pm

2 stops26h 39m

Rapid City

Mon 3/9

11:03 am-8:50 am

2 stops15h 47m

$1,271

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 4/25

11:25 am-7:02 pm

1 stop14h 37m

$812

LondonRapid City

LHR - RAP

LHRRAP

London Heathrow

Sat 4/25

10:25 am-10:27 pm

2 stops19h 02m

$813

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Rapid City from

How to get the cheapest flight ticket from London to Rapid City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Rapid City?

What is the cheapest month to fly to Rapid City?

The month of December is, on average, the cheapest month to fly to Rapid City from London, with most prices found around $887. If you aren’t able to travel to Rapid City during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,033.

When to book flights from London to Rapid City

Are you open to changing your travel dates? Check out the ideal times to fly from London to Rapid City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Rapid City (LON to RAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Rapid City

Fastest flight time

12h 32m

Direct flights

None
The fastest flight from London to Rapid City takes 12h 32m
There are no direct flights from London to Rapid City. There are no popular flight routes from London to Rapid City.
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  • How far is London to Rapid City by plane?

    A flight from London to Rapid City will travel around 4398.4 mi. In terms of flight time, this usually takes a little over 12h 32m.

  • When did momondo last update prices for flights from London to Rapid City Airport?

    Prices for flights from London to Rapid City Airport were last updated today.

  • How old do you have to be to fly from London to Rapid City Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The required travel and health documents for your Rapid City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rapid City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Custer
Spearfish
Hill City
Wall
Hot Springs

Why use momondo?

Why should I use momondo to find a flight deal from London to Rapid City?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Rapid City. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Rapid City with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Rapid City flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Rapid City?

momondo helps you find the best flight between London and Rapid City by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Rapid City right now. Can momondo alert me if prices change?

Price alerts on flights to Rapid City from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Rapid City trip

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