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Cheap flights from Rapid City to London from $831

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 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:48 pm - 9:40 am
RAP
-
LHR
32h 52m
1 stop
United Airlines Logo
9:30 am - 7:08 pm
LHR
-
RAP
16h 38m
2 stops
$831United Airlines
Tue, Dec 1 - Fri, Dec 4
United Airlines Logo
12:50 pm - 12:00 pm
RAP
-
LHR
16h 10m
2 stops
United Airlines Logo
7:30 am - 7:08 pm
LHR
-
RAP
18h 38m
2 stops
$888United Airlines
Tue, Dec 1 - Fri, Dec 4
United Airlines Logo
12:50 pm - 12:00 pm
RAP
-
LHR
16h 10m
2 stops
United Airlines Logo
7:30 am - 7:08 pm
LHR
-
RAP
18h 38m
2 stops
$889United Airlines
Tue, Dec 1 - Fri, Dec 4
United Airlines Logo
12:50 pm - 9:40 am
RAP
-
LHR
13h 50m
1 stop
United Airlines Logo
11:35 am - 7:08 pm
LHR
-
RAP
14h 33m
1 stop
$902United Airlines
Tue, Dec 1 - Fri, Dec 4
Delta Logo
2:30 pm - 1:05 pm
RAP
-
LHR
15h 35m
1 stop
Delta Logo
9:55 am - 10:18 pm
LHR
-
RAP
19h 23m
2 stops
$934Delta
Tue, Sep 8 - Tue, Sep 22
Delta Logo
10:42 am - 1:15 pm
RAP
-
LHR
19h 33m
2 stops
Delta Logo
6:30 am - 10:18 pm
LHR
-
RAP
22h 48m
2 stops
$938Delta
Tue, Sep 8 - Tue, Sep 22
American Airlines Logo
12:20 pm - 6:50 am
RAP
-
LHR
11h 30m
1 stop
American Airlines Logo
12:55 pm - 9:23 pm
LHR
-
RAP
15h 28m
1 stop
$962American Airlines
Tue, Sep 8 - Tue, Sep 22
Multiple Airlines Logo
4:31 pm - 1:05 pm
RAP
-
LHR
13h 34m
1 stop
Multiple Airlines Logo
3:45 pm - 3:57 pm
LHR
-
RAP
31h 12m
2 stops
$984Multiple Airlines
Fri, Sep 18 - Mon, Nov 2
Delta Logo
6:48 am - 1:05 pm
RAP
-
LHR
23h 17m
1 stop
Delta Logo
2:45 pm - 3:57 pm
LHR
-
RAP
32h 12m
2 stops
$1,009Delta
Fri, Sep 18 - Mon, Nov 2
Multiple Airlines Logo
4:31 pm - 1:45 pm
RAP
-
LHR
14h 14m
2 stops
Multiple Airlines Logo
11:45 am - 3:57 pm
LHR
-
RAP
35h 12m
2 stops
$1,026Multiple Airlines
Fri, Sep 18 - Mon, Nov 2

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Delta flights from Rapid City to London

Our best Delta deals on Rapid City to London flight tickets
Delta
Sep 8
RAP2:30 pmRapid City
15h 35m
1 stop
LHR1:05 pmLondon Heathrow
Sep 22
LHR9:55 amLondon Heathrow
19h 23m
2 stops
RAP10:18 pmRapid City
$934
Delta
Sep 8
RAP10:42 amRapid City
19h 33m
2 stops
LHR1:15 pmLondon Heathrow
Sep 22
LHR6:30 amLondon Heathrow
22h 48m
2 stops
RAP10:18 pmRapid City
$938
Delta
Sep 18
RAP6:48 amRapid City
23h 17m
1 stop
LHR1:05 pmLondon Heathrow
Nov 2
LHR2:45 pmLondon Heathrow
32h 12m
2 stops
RAP3:57 pmRapid City
$1,009

American Airlines flights from Rapid City to London

Our best American Airlines deals on Rapid City to London flight tickets
American Airlines
Sep 8
RAP12:20 pmRapid City
11h 30m
1 stop
LHR6:50 amLondon Heathrow
Sep 22
LHR12:55 pmLondon Heathrow
15h 28m
1 stop
RAP9:23 pmRapid City
$962
American Airlines
Aug 21
RAP12:39 pmRapid City
13h 21m
1 stop
LHR9:00 amLondon Heathrow
Aug 31
LHR8:55 amLondon Heathrow
14h 39m
1 stop
RAP4:34 pmRapid City
$1,062
American Airlines
Sep 18
RAP12:36 pmRapid City
15h 14m
1 stop
LHR10:50 amLondon Heathrow
Nov 2
LHR9:35 amLondon Heathrow
18h 42m
2 stops
RAP9:17 pmRapid City
$1,066

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 July 2, 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

Tue 12/1

5:48 pm-9:40 am

1 stop32h 52m

London Heathrow

Fri 12/4

9:30 am-7:08 pm

2 stops16h 38m

$831

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 12/1

12:50 pm-12:00 pm

2 stops16h 10m

London Heathrow

Fri 12/4

7:30 am-7:08 pm

2 stops18h 38m

$888

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 12/1

12:50 pm-12:00 pm

2 stops16h 10m

London Heathrow

Fri 12/4

7:30 am-7:08 pm

2 stops18h 38m

$889

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 12/1

12:50 pm-9:40 am

1 stop13h 50m

London Heathrow

Fri 12/4

11:35 am-7:08 pm

1 stop14h 33m

$902

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/8

2:30 pm-1:05 pm

1 stop15h 35m

London Heathrow

Tue 9/22

9:55 am-10:18 pm

2 stops19h 23m

$934

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/8

10:42 am-1:15 pm

2 stops19h 33m

London Heathrow

Tue 9/22

6:30 am-10:18 pm

2 stops22h 48m

$938
Quickest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/8

12:20 pm-6:50 am

1 stop11h 30m

London Heathrow

Tue 9/22

12:55 pm-9:23 pm

1 stop15h 28m

$962

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 9/18

4:31 pm-1:05 pm

1 stop13h 34m

London Heathrow

Mon 11/2

3:45 pm-3:57 pm

2 stops31h 12m

$984

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 9/18

6:48 am-1:05 pm

1 stop23h 17m

London Heathrow

Mon 11/2

2:45 pm-3:57 pm

2 stops32h 12m

$1,009

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 9/18

4:31 pm-1:45 pm

2 stops14h 14m

London Heathrow

Mon 11/2

11:45 am-3:57 pm

2 stops35h 12m

$1,026

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 19% 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

13h 35m

Direct flights

None
The fastest flight from Rapid City to London takes 13h 35m
There are no direct flights from Rapid City to London. There are no popular flight routes from Rapid City to London.
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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 13h 35m.

  • 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
9,926 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
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Watford
Ilford
Cobham
Brentwood
Folkestone
Guildford
Romford
Uxbridge

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