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Cheap flights from Rapid City to London from $907

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to London departing on 8/12. 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 Rapid City to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:19 pm - 11:15 am
RAP
-
LHR
15h 56m
1 stop
Multiple Airlines Logo
12:55 pm - 9:35 pm
LHR
-
RAP
15h 40m
1 stop
$907Multiple Airlines
Wed, Aug 12 - Wed, Aug 26
Multiple Airlines Logo
12:19 pm - 11:15 am
RAP
-
LHR
15h 56m
1 stop
Multiple Airlines Logo
12:55 pm - 9:35 pm
LHR
-
RAP
15h 40m
1 stop
$908Multiple Airlines
Wed, Aug 12 - Wed, Aug 26
American Airlines Logo
5:02 pm - 2:25 pm
RAP
-
LHR
14h 23m
1 stop
American Airlines Logo
10:05 am - 9:35 pm
LHR
-
RAP
18h 30m
2 stops
$912American Airlines
Wed, Aug 12 - Wed, Aug 26
American Airlines Logo
12:41 pm - 9:00 am
RAP
-
LHR
13h 19m
1 stop
American Airlines Logo
10:05 am - 9:35 pm
LHR
-
RAP
18h 30m
2 stops
$913American Airlines
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
1:00 pm - 9:40 am
RAP
-
LHR
13h 40m
1 stop
United Airlines Logo
11:25 am - 7:20 pm
LHR
-
RAP
14h 55m
1 stop
$968United Airlines
Sun, Oct 18 - Thu, Oct 22
United Airlines Logo
8:55 am - 6:55 am
RAP
-
LHR
15h 00m
2 stops
United Airlines Logo
8:00 am - 5:53 pm
LHR
-
RAP
16h 53m
2 stops
$972United Airlines
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
10:26 am - 9:20 am
RAP
-
LHR
15h 54m
2 stops
United Airlines Logo
8:00 am - 5:53 pm
LHR
-
RAP
16h 53m
2 stops
$973United Airlines
Wed, Aug 12 - Wed, Aug 26
Multiple Airlines Logo
12:41 pm - 10:55 am
RAP
-
LHR
15h 14m
1 stop
Multiple Airlines Logo
12:55 pm - 9:35 pm
LHR
-
RAP
15h 40m
1 stop
$1,008Multiple Airlines
Fri, Aug 21 - Mon, Aug 31
Delta Logo
6:48 am - 8:50 am
RAP
-
LCY
19h 02m
2 stops
Delta Logo
7:45 am - 10:37 pm
LCY
-
RAP
21h 52m
2 stops
$1,048Delta
Wed, Aug 12 - Wed, Aug 26
Delta Logo
6:48 am - 8:50 am
RAP
-
LCY
19h 02m
2 stops
Delta Logo
9:20 am - 9:58 pm
LCY
-
RAP
19h 38m
2 stops
$1,069Delta
Fri, Aug 21 - Mon, Aug 31

United Airlines flights from Rapid City to London

Our best United Airlines deals on Rapid City to London flight tickets
United Airlines
Oct 18
RAP1:00 pmRapid City
13h 40m
1 stop
LHR9:40 amLondon Heathrow
Oct 22
LHR11:25 amLondon Heathrow
14h 55m
1 stop
RAP7:20 pmRapid City
$968
United Airlines
Aug 12
RAP8:55 amRapid City
15h 00m
2 stops
LHR6:55 amLondon Heathrow
Aug 26
LHR8:00 amLondon Heathrow
16h 53m
2 stops
RAP5:53 pmRapid City
$972
United Airlines
Aug 12
RAP1:31 pmRapid City
14h 09m
2 stops
LHR10:40 amLondon Heathrow
Aug 26
LHR12:00 pmLondon Heathrow
17h 28m
2 stops
RAP10:28 pmRapid City
$973

Delta flights from Rapid City to London

Our best Delta deals on Rapid City to London flight tickets
Delta
Aug 21
RAP6:48 amRapid City
16h 37m
2 stops
LHR6:25 amLondon Heathrow
Aug 31
LHR8:40 amLondon Heathrow
20h 18m
2 stops
RAP9:58 pmRapid City
$1,043
Delta
Aug 21
RAP6:48 amRapid City
17h 22m
2 stops
LHR7:10 amLondon Heathrow
Aug 31
LHR8:40 amLondon Heathrow
20h 18m
2 stops
RAP9:58 pmRapid City
$1,044
Delta
Aug 12
RAP6:48 amRapid City
19h 02m
2 stops
LCY8:50 amLondon City
Aug 26
LCY7:45 amLondon City
21h 52m
2 stops
RAP10:37 pmRapid City
$1,048

momondo 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, momondo users made 832,500 searches. Data last updated May 14, 2026.
Use the filters below to find and compare flights from Rapid City to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

12:19 pm-11:15 am

1 stop15h 56m

London Heathrow

Wed 8/26

12:55 pm-9:35 pm

1 stop15h 40m

$907

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

12:19 pm-11:15 am

1 stop15h 56m

London Heathrow

Wed 8/26

12:55 pm-9:35 pm

1 stop15h 40m

$908

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

5:02 pm-2:25 pm

1 stop14h 23m

London Heathrow

Wed 8/26

10:05 am-9:35 pm

2 stops18h 30m

$912

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

12:41 pm-9:00 am

1 stop13h 19m

London Heathrow

Wed 8/26

10:05 am-9:35 pm

2 stops18h 30m

$913
Quickest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 10/18

1:00 pm-9:40 am

1 stop13h 40m

London Heathrow

Thu 10/22

11:25 am-7:20 pm

1 stop14h 55m

$968

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

8:55 am-6:55 am

2 stops15h 00m

London Heathrow

Wed 8/26

8:00 am-5:53 pm

2 stops16h 53m

$972

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

10:26 am-9:20 am

2 stops15h 54m

London Heathrow

Wed 8/26

8:00 am-5:53 pm

2 stops16h 53m

$973

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 8/21

12:41 pm-10:55 am

1 stop15h 14m

London Heathrow

Mon 8/31

12:55 pm-9:35 pm

1 stop15h 40m

$1,008

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 8/12

6:48 am-8:50 am

2 stops19h 02m

London City

Wed 8/26

7:45 am-10:37 pm

2 stops21h 52m

$1,048

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Fri 8/21

6:48 am-8:50 am

2 stops19h 02m

London City

Mon 8/31

9:20 am-9:58 pm

2 stops19h 38m

$1,069

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Rapid City to London

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

Can stopping save me money on Rapid City to London flights?

You could potentially save up to 26% on your flight if you consider stops on a Rapid City to London flight.

When to book flights from Rapid City to London

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

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

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

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from Rapid City to London takes 12h 25m
There are no direct flights from Rapid City to London. There are no popular flight routes from Rapid City to London.
Search flight deals

Frequently asked questions about flying from Rapid City to London

  • How far is Rapid City to London by plane?

    Rapid City and London are 4398.4 mi apart from one another. In terms of flight time, this usually takes a little over 12h 25m.

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

    Prices for flights from Rapid City Airport to London are refreshed on a daily basis.

  • How many operators does momondo search for flights from Rapid City Airport to London?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London 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 London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Rapid City to London?

Best airlines flying from Rapid City to London

Compare and see reviews for airlines that fly from Rapid City to London with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $695Free CancellationRating
7.4
9,712 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Crawley
Wembley
Slough
Croydon
Stansted
Watford
Harrow
Brentwood
Dartford
Cobham
Folkestone
Romford
Uxbridge
Guildford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Rapid City.

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

Yes. All flights to London from Rapid City on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Rapid City to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from Rapid City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport