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Cheap flights from Rapid City to London from $449

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 9/23. 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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Find the cheapest flights from Rapid City to London

Cheap round-trip flights

Delta Logo
6:05 am - 7:05 amRAP-LHR
19h 00m1 stop
Delta Logo
6:30 am - 10:36 pmLHR-RAP
23h 06m2 stops
$624Delta
Find Deal
Wed, Oct 29 - Thu, Nov 6
Delta Logo
6:05 am - 6:50 amRAP-LHR
18h 45m2 stops
Delta Logo
6:30 am - 10:36 pmLHR-RAP
23h 06m2 stops
$629Delta
Find Deal
Wed, Oct 29 - Tue, Nov 4
Delta Logo
6:05 am - 7:05 amRAP-LHR
19h 00m1 stop
Delta Logo
11:05 am - 10:36 pmLHR-RAP
18h 31m1 stop
$631Delta
Find Deal
Wed, Oct 29 - Fri, Nov 7
Virgin Atlantic Logo
6:05 am - 7:05 amRAP-LHR
19h 00m1 stop
Virgin Atlantic Logo
11:05 am - 10:36 pmLHR-RAP
18h 31m1 stop
$648Virgin Atlantic
Find Deal
Fri, Oct 31 - Fri, Nov 7
Virgin Atlantic Logo
6:05 am - 7:05 amRAP-LHR
19h 00m1 stop
Virgin Atlantic Logo
6:30 am - 10:36 pmLHR-RAP
23h 06m2 stops
$675Virgin Atlantic
Find Deal
Fri, Oct 31 - Fri, Nov 7
United Airlines Logo
8:30 am - 7:40 amRAP-LHR
16h 10m2 stops
United Airlines Logo
6:55 am - 6:40 pmLHR-RAP
18h 45m2 stops
$702United Airlines
Find Deal
Wed, Oct 1 - Fri, Oct 10
United Airlines Logo
11:15 am - 9:40 amRAP-LHR
15h 25m1 stop
United Airlines Logo
1:40 pm - 10:13 amLHR-RAP
27h 33m2 stops
$712United Airlines
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Tue, Sep 30 - Thu, Oct 9
KLM Logo
11:00 am - 7:40 amRAP-LHR
13h 40m2 stops
KLM Logo
6:30 am - 3:50 pmLHR-RAP
16h 20m2 stops
$952KLM
Find Deal
Wed, Oct 1 - Fri, Oct 10
American Airlines Logo
12:33 pm - 10:50 amRAP-LHR
15h 17m1 stop
American Airlines Logo
11:00 am - 9:50 pmLHR-RAP
17h 50m2 stops
$1,025American Airlines
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Fri, Oct 3 - Sun, Oct 12
KLM Logo
11:00 am - 7:40 amRAP-LHR
13h 40m2 stops
KLM Logo
6:30 am - 3:50 pmLHR-RAP
16h 20m2 stops
$1,042KLM
Find Deal
Fri, Oct 3 - Fri, Oct 10

Virgin Atlantic flights from Rapid City to London Heathrow Airport

Our best Virgin Atlantic deals on Rapid City to London Heathrow Airport flight tickets
Virgin Atlantic
Oct 31
RAP6:05 amRapid City
19h 00m
1 stop
LHR7:05 amLondon Heathrow
Nov 7
LHR11:05 amLondon Heathrow
18h 31m
1 stop
RAP10:36 pmRapid City
$648
Find similar
Virgin Atlantic
Oct 31
RAP6:05 amRapid City
19h 00m
1 stop
LHR7:05 amLondon Heathrow
Nov 7
LHR6:30 amLondon Heathrow
23h 06m
2 stops
RAP10:36 pmRapid City
$675
Find similar

United Airlines flights from Rapid City to London Heathrow Airport

Our best United Airlines deals on Rapid City to London Heathrow Airport flight tickets
United Airlines
Oct 1
RAP8:30 amRapid City
16h 10m
2 stops
LHR7:40 amLondon Heathrow
Oct 10
LHR6:55 amLondon Heathrow
18h 45m
2 stops
RAP6:40 pmRapid City
$702
Find similar
United Airlines
Sep 30
RAP11:15 amRapid City
15h 25m
1 stop
LHR9:40 amLondon Heathrow
Oct 9
LHR1:40 pmLondon Heathrow
27h 33m
2 stops
RAP10:13 amRapid City
$712
Find similar
United Airlines
Oct 11
RAP5:50 pmRapid City
32h 50m
1 stop
LHR9:40 amLondon Heathrow
Oct 21
LHR2:05 pmLondon Heathrow
27h 08m
2 stops
RAP10:13 amRapid City
$714
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momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to London Heathrow Airport 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 September 16, 2025.
Use the filters below to find and compare flights from Rapid City to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/29

6:05 am-7:05 am

1 stop19h 00m

London Heathrow

Thu 11/6

6:30 am-10:36 pm

2 stops23h 06m

$624

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/29

6:05 am-6:50 am

2 stops18h 45m

London Heathrow

Tue 11/4

6:30 am-10:36 pm

2 stops23h 06m

$629

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/29

6:05 am-7:05 am

1 stop19h 00m

London Heathrow

Fri 11/7

11:05 am-10:36 pm

1 stop18h 31m

$631

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 10/31

6:05 am-7:05 am

1 stop19h 00m

London Heathrow

Fri 11/7

11:05 am-10:36 pm

1 stop18h 31m

$648

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 10/31

6:05 am-7:05 am

1 stop19h 00m

London Heathrow

Fri 11/7

6:30 am-10:36 pm

2 stops23h 06m

$675

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/1

8:30 am-7:40 am

2 stops16h 10m

London Heathrow

Fri 10/10

6:55 am-6:40 pm

2 stops18h 45m

$702

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/30

11:15 am-9:40 am

1 stop15h 25m

London Heathrow

Thu 10/9

1:40 pm-10:13 am

2 stops27h 33m

$712

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 10/1

11:00 am-7:40 am

2 stops13h 40m

London Heathrow

Fri 10/10

6:30 am-3:50 pm

2 stops16h 20m

$952

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 10/3

12:33 pm-10:50 am

1 stop15h 17m

London Heathrow

Sun 10/12

11:00 am-9:50 pm

2 stops17h 50m

$1,025

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 10/3

11:00 am-7:40 am

2 stops13h 40m

London Heathrow

Fri 10/10

6:30 am-3:50 pm

2 stops16h 20m

$1,042

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to London from

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

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 cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $833. The most expensive day to fly to London Heathrow Airport is Thursday, with ticket prices averaging around $1,130.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Rapid City to London Heathrow Airport in the morning for as low as $932. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,189.

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

You could potentially save up to 24% on your flight if you consider stops on a Rapid City to London Heathrow Airport flight.

When to book flights from Rapid City to London Heathrow Airport

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

Cheap Rapid City to London Heathrow Airport (RAP to LHR) flight deals and tips

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

Direct flights

None
There are no direct flights from Rapid City to London Heathrow Airport. There are no popular flight routes from Rapid City to London Heathrow Airport.
Search flight deals

  • How far is Rapid City to London Heathrow by plane?

    A flight from Rapid City to London Heathrow will travel around 4388.5 mi. A reasonable flight in good conditions will take 11h 20m.

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

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

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

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

    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 Heathrow Airport.

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

    The required travel and health documents for your London Heathrow 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 London Heathrow Airport. 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 Heathrow Airport?

Best airlines flying from Rapid City to London Heathrow Airport

Compare and see reviews for airlines that fly from Rapid City to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $748Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $751Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Salisbury
Brentwood
Ilford
Folkestone
Colchester
Swindon
Stratford-upon-Avon
Watford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rapid City to London for you.

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

Flights from Rapid City to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to London from Rapid City. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Rapid City to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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