Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Rapid City to London from $493

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 4/14. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
2:45 pm - 11:50 am
RAP
-
LHR
39h 05m
2 stops
United Airlines Logo
2:30 pm - 8:34 pm
LHR
-
RAP
36h 04m
2 stops
$639United Airlines
Sun, Mar 8 - Sun, Mar 15
United Airlines Logo
5:41 pm - 9:40 am
RAP
-
LHR
33h 59m
1 stop
United Airlines Logo
7:25 am - 7:02 pm
LHR
-
RAP
18h 37m
2 stops
$668United Airlines
Tue, Mar 24 - Tue, Mar 31
United Airlines Logo
8:30 am - 9:40 am
RAP
-
LHR
19h 10m
1 stop
United Airlines Logo
2:50 pm - 8:44 pm
LHR
-
RAP
12h 54m
1 stop
$697United Airlines
Tue, Mar 24 - Tue, Mar 31
United Airlines Logo
4:15 pm - 12:20 pm
RAP
-
LHR
13h 05m
1 stop
United Airlines Logo
4:25 pm - 5:00 pm
LHR
-
RAP
31h 35m
2 stops
$709United Airlines
Thu, Apr 23 - Mon, Apr 27
United Airlines Logo
10:55 am - 11:35 am
RAP
-
LHR
17h 40m
2 stops
United Airlines Logo
6:55 am - 5:00 pm
LHR
-
RAP
17h 05m
2 stops
$753United Airlines
Thu, Apr 23 - Mon, Apr 27
United Airlines Logo
4:15 pm - 12:20 pm
RAP
-
LHR
13h 05m
1 stop
United Airlines Logo
11:25 am - 8:44 pm
LHR
-
RAP
16h 19m
1 stop
$777United Airlines
Thu, Apr 23 - Mon, Apr 27
Delta Logo
10:58 am - 8:10 pm
RAP
-
LHR
26h 12m
2 stops
Delta Logo
8:05 pm - 3:15 pm
LHR
-
RAP
26h 10m
2 stops
$781Delta
Fri, Apr 24 - Mon, Apr 27
United Airlines Logo
8:30 am - 9:40 am
RAP
-
LHR
18h 10m
1 stop
United Airlines Logo
11:35 am - 10:16 pm
LHR
-
RAP
17h 41m
1 stop
$938United Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
11:03 am - 7:05 am
RAP
-
LHR
14h 02m
1 stop
Multiple Airlines Logo
11:05 am - 10:25 pm
LHR
-
RAP
17h 20m
1 stop
$990Multiple Airlines
Sun, Mar 8 - Sun, Mar 15
KLM Logo
11:03 am - 8:50 am
RAP
-
LCY
15h 47m
2 stops
KLM Logo
9:20 am - 10:25 pm
LCY
-
RAP
20h 05m
2 stops
$1,032KLM
Tue, Mar 24 - Tue, Mar 31

Delta flights from Rapid City to London

Our best Delta deals on Rapid City to London flight tickets
Delta
Apr 24
RAP10:58 amRapid City
26h 12m
2 stops
LHR8:10 pmLondon Heathrow
Apr 27
LHR8:05 pmLondon Heathrow
26h 10m
2 stops
RAP3:15 pmRapid City
$781
Delta
Jun 16
RAP2:25 pmRapid City
22h 45m
2 stops
LHR8:10 pmLondon Heathrow
Jul 8
LHR8:05 pmLondon Heathrow
26h 05m
2 stops
RAP3:10 pmRapid City
$1,159
Delta
Jun 23
RAP2:25 pmRapid City
15h 40m
1 stop
LHR1:05 pmLondon Heathrow
Jul 13
LHR6:30 amLondon Heathrow
15h 40m
2 stops
RAP3:10 pmRapid City
$1,187

Scandinavian Airlines flights from Rapid City to London

Our best Scandinavian Airlines deals on Rapid City to London flight tickets
Scandinavian Airlines
Jun 16
RAP2:25 pmRapid City
15h 40m
1 stop
LHR1:05 pmLondon Heathrow
Jul 7
LHR12:25 pmLondon Heathrow
16h 33m
1 stop
RAP9:58 pmRapid City
$1,143
Scandinavian Airlines
Jun 15
RAP2:25 pmRapid City
15h 40m
1 stop
LHR1:05 pmLondon Heathrow
Jul 8
LHR12:25 pmLondon Heathrow
16h 33m
1 stop
RAP9:58 pmRapid City
$1,211
Scandinavian Airlines
Jun 15
RAP2:25 pmRapid City
15h 40m
1 stop
LHR1:05 pmLondon Heathrow
Jul 9
LHR10:45 amLondon Heathrow
18h 13m
2 stops
RAP9:58 pmRapid City
$1,291

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 February 8, 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

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 3/8

2:45 pm-11:50 am

2 stops39h 05m

London Heathrow

Sun 3/15

2:30 pm-8:34 pm

2 stops36h 04m

$639

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 3/24

5:41 pm-9:40 am

1 stop33h 59m

London Heathrow

Tue 3/31

7:25 am-7:02 pm

2 stops18h 37m

$668

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 3/24

8:30 am-9:40 am

1 stop19h 10m

London Heathrow

Tue 3/31

2:50 pm-8:44 pm

1 stop12h 54m

$697

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 4/23

4:15 pm-12:20 pm

1 stop13h 05m

London Heathrow

Mon 4/27

4:25 pm-5:00 pm

2 stops31h 35m

$709

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 4/23

10:55 am-11:35 am

2 stops17h 40m

London Heathrow

Mon 4/27

6:55 am-5:00 pm

2 stops17h 05m

$753

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 4/23

4:15 pm-12:20 pm

1 stop13h 05m

London Heathrow

Mon 4/27

11:25 am-8:44 pm

1 stop16h 19m

$777

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 4/24

10:58 am-8:10 pm

2 stops26h 12m

London Heathrow

Mon 4/27

8:05 pm-3:15 pm

2 stops26h 10m

$781

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 2/19

8:30 am-9:40 am

1 stop18h 10m

London Heathrow

Mon 2/23

11:35 am-10:16 pm

1 stop17h 41m

$938

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 3/8

11:03 am-7:05 am

1 stop14h 02m

London Heathrow

Sun 3/15

11:05 am-10:25 pm

1 stop17h 20m

$990

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Tue 3/24

11:03 am-8:50 am

2 stops15h 47m

London City

Tue 3/31

9:20 am-10:25 pm

2 stops20h 05m

$1,032

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

See travel insights to London from

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

14h 05m

Direct flights

None
The fastest flight from Rapid City to London takes 14h 05m
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 14h 05m.

  • 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
9,257 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
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
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.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 3/10
Tue 3/17
By creating a price alert you accept our terms of use and privacy policy.

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