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Cheap flights from Rapid City to London from $384

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to London departing on 7/31. 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

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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.
United Airlines Logo
11:08 am - 9:40 am
RAP
-
LHR
15h 32m
1 stop
United Airlines Logo
7:30 am - 7:25 pm
LHR
-
RAP
18h 55m
2 stops
$836United Airlines
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
7:00 am - 6:30 am
RAP
-
LHR
16h 30m
2 stops
United Airlines Logo
7:30 am - 4:05 pm
LHR
-
RAP
15h 35m
2 stops
$840United Airlines
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
5:00 am - 6:30 am
RAP
-
LHR
18h 30m
2 stops
United Airlines Logo
5:40 pm - 12:24 pm
LHR
-
RAP
25h 44m
2 stops
$842United Airlines
Tue, Sep 1 - Fri, Sep 11
American Airlines Logo
4:58 pm - 2:25 pm
RAP
-
LHR
14h 27m
1 stop
American Airlines Logo
12:55 pm - 9:58 pm
LHR
-
RAP
16h 03m
1 stop
$854American Airlines
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
7:00 am - 6:30 am
RAP
-
LHR
16h 30m
2 stops
United Airlines Logo
2:50 pm - 10:23 pm
LHR
-
RAP
14h 33m
1 stop
$858United Airlines
Tue, Sep 1 - Fri, Sep 11
American Airlines Logo
1:00 pm - 9:05 am
RAP
-
LHR
13h 05m
1 stop
American Airlines Logo
8:55 am - 9:58 pm
LHR
-
RAP
20h 03m
1 stop
$884American Airlines
Tue, Sep 1 - Fri, Sep 11
Delta Logo
6:20 am - 7:15 am
RAP
-
LCY
17h 55m
2 stops
Delta Logo
7:45 am - 3:10 pm
LCY
-
RAP
14h 25m
2 stops
$1,032Delta
Wed, Aug 12 - Wed, Aug 26
Delta Logo
6:20 am - 7:15 am
RAP
-
LCY
17h 55m
2 stops
Delta Logo
7:45 am - 9:58 pm
LCY
-
RAP
21h 13m
2 stops
$1,037Delta
Wed, Aug 12 - Wed, Aug 26
KLM Logo
4:28 pm - 8:50 am
RAP
-
LCY
33h 22m
2 stops
KLM Logo
7:45 am - 1:41 pm
LCY
-
RAP
36h 56m
2 stops
$1,432KLM
Thu, Jul 23 - Tue, Jul 28
Virgin Atlantic Logo
4:28 pm - 7:15 am
RAP
-
LCY
31h 47m
2 stops
Virgin Atlantic Logo
8:15 pm - 10:27 pm
LCY
-
RAP
33h 12m
2 stops
$1,569Virgin Atlantic
Thu, Jul 23 - Tue, Jul 28

United Airlines flights from Rapid City to London

Our best United Airlines deals on Rapid City to London flight tickets
United Airlines
Aug 12
RAP11:08 amRapid City
15h 32m
1 stop
LHR9:40 amLondon Heathrow
Aug 26
LHR7:30 amLondon Heathrow
18h 55m
2 stops
RAP7:25 pmRapid City
$836
United Airlines
Aug 12
RAP7:00 amRapid City
16h 30m
2 stops
LHR6:30 amLondon Heathrow
Aug 26
LHR7:30 amLondon Heathrow
15h 35m
2 stops
RAP4:05 pmRapid City
$840
United Airlines
Sep 1
RAP5:00 amRapid City
18h 30m
2 stops
LHR6:30 amLondon Heathrow
Sep 11
LHR5:40 pmLondon Heathrow
25h 44m
2 stops
RAP12:24 pmRapid City
$842

American Airlines flights from Rapid City to London

Our best American Airlines deals on Rapid City to London flight tickets
American Airlines
Aug 12
RAP4:58 pmRapid City
14h 27m
1 stop
LHR2:25 pmLondon Heathrow
Aug 26
LHR12:55 pmLondon Heathrow
16h 03m
1 stop
RAP9:58 pmRapid City
$854
American Airlines
Sep 1
RAP1:00 pmRapid City
13h 05m
1 stop
LHR9:05 amLondon Heathrow
Sep 11
LHR8:55 amLondon Heathrow
20h 03m
1 stop
RAP9:58 pmRapid City
$884

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 March 29, 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

11:08 am-9:40 am

1 stop15h 32m

London Heathrow

Wed 8/26

7:30 am-7:25 pm

2 stops18h 55m

$836

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

7:00 am-6:30 am

2 stops16h 30m

London Heathrow

Wed 8/26

7:30 am-4:05 pm

2 stops15h 35m

$840

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

5:00 am-6:30 am

2 stops18h 30m

London Heathrow

Fri 9/11

5:40 pm-12:24 pm

2 stops25h 44m

$842
Quickest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

4:58 pm-2:25 pm

1 stop14h 27m

London Heathrow

Wed 8/26

12:55 pm-9:58 pm

1 stop16h 03m

$854

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

7:00 am-6:30 am

2 stops16h 30m

London Heathrow

Fri 9/11

2:50 pm-10:23 pm

1 stop14h 33m

$858

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

1:00 pm-9:05 am

1 stop13h 05m

London Heathrow

Fri 9/11

8:55 am-9:58 pm

1 stop20h 03m

$884

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 8/12

6:20 am-7:15 am

2 stops17h 55m

London City

Wed 8/26

7:45 am-3:10 pm

2 stops14h 25m

$1,032

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 8/12

6:20 am-7:15 am

2 stops17h 55m

London City

Wed 8/26

7:45 am-9:58 pm

2 stops21h 13m

$1,037

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 7/23

4:28 pm-8:50 am

2 stops33h 22m

London City

Tue 7/28

7:45 am-1:41 pm

2 stops36h 56m

$1,432

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 7/23

4:28 pm-7:15 am

2 stops31h 47m

London City

Tue 7/28

8:15 pm-10:27 pm

2 stops33h 12m

$1,569

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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

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 45m

Direct flights

None
The fastest flight from Rapid City to London takes 12h 45m
There are no direct flights from Rapid City to London. There are no popular flight routes from Rapid City to London.
Search flight deals

  • 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 45m.

  • 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
9,509 reviews
Search United Airlines flights

Traveling to a place near London?

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

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