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Cheap flights from Rapid City to London from $897

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 9/29. 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.
Delta Logo
4:31 pm - 1:05 pm
RAP
-
LHR
13h 34m
1 stop
Delta Logo
8:40 am - 10:19 pm
LHR
-
RAP
20h 39m
2 stops
$897Delta
Tue, Sep 29 - Fri, Oct 2
Delta Logo
6:48 am - 1:05 pm
RAP
-
LHR
23h 17m
1 stop
Delta Logo
6:30 am - 10:19 pm
LHR
-
RAP
22h 49m
2 stops
$910Delta
Sun, Sep 27 - Thu, Oct 1
Delta Logo
6:48 am - 1:05 pm
RAP
-
LHR
23h 17m
1 stop
Delta Logo
5:35 pm - 3:46 pm
LHR
-
RAP
29h 11m
2 stops
$917Delta
Mon, Sep 28 - Mon, Oct 5
United Airlines Logo
5:47 pm - 12:25 pm
RAP
-
LHR
11h 38m
1 stop
United Airlines Logo
11:25 am - 8:44 pm
LHR
-
RAP
16h 19m
1 stop
$926United Airlines
Tue, Sep 29 - Tue, Oct 6
Delta Logo
2:32 pm - 1:05 pm
RAP
-
LHR
15h 33m
1 stop
Delta Logo
6:30 am - 3:49 pm
LHR
-
RAP
16h 19m
2 stops
$937Delta
Wed, Aug 12 - Wed, Aug 26
Delta Logo
2:32 pm - 1:15 pm
RAP
-
LHR
15h 43m
2 stops
Delta Logo
6:30 am - 3:49 pm
LHR
-
RAP
16h 19m
2 stops
$942Delta
Wed, Aug 12 - Wed, Aug 26
KLM Logo
4:31 pm - 1:05 pm
RAP
-
LHR
13h 34m
1 stop
KLM Logo
6:35 pm - 3:51 pm
LHR
-
RAP
28h 16m
2 stops
$947KLM
Tue, Sep 29 - Sun, Oct 4
Lufthansa Logo
1:31 pm - 9:00 am
RAP
-
LHR
12h 29m
1 stop
Lufthansa Logo
7:30 am - 5:53 pm
LHR
-
RAP
17h 23m
2 stops
$948Lufthansa
Tue, Sep 1 - Fri, Sep 11
Multiple Airlines Logo
11:45 am - 3:05 pm
RAP
-
LHR
20h 20m
1 stop
Multiple Airlines Logo
12:55 pm - 9:49 am
LHR
-
RAP
27h 54m
1 stop
$952Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Delta Logo
4:31 pm - 1:50 pm
RAP
-
LHR
14h 19m
2 stops
Delta Logo
8:40 am - 10:19 pm
LHR
-
RAP
20h 39m
2 stops
$956Delta
Wed, Sep 30 - Mon, Oct 5

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KLM flights from Rapid City to London Heathrow Airport

Our best KLM deals on Rapid City to London Heathrow Airport flight tickets
KLM
Sep 29
RAP4:31 pmRapid City
13h 34m
1 stop
LHR1:05 pmLondon Heathrow
Oct 4
LHR6:35 pmLondon Heathrow
28h 16m
2 stops
RAP3:51 pmRapid City
$947
KLM
Aug 21
RAP10:46 amRapid City
19h 19m
1 stop
LHR1:05 pmLondon Heathrow
Aug 31
LHR6:30 amLondon Heathrow
16h 19m
2 stops
RAP3:49 pmRapid City
$1,037
KLM
Sep 29
RAP4:31 pmRapid City
14h 19m
2 stops
LHR1:50 pmLondon Heathrow
Oct 5
LHR6:30 amLondon Heathrow
16h 21m
2 stops
RAP3:51 pmRapid City
$1,058

Air France flights from Rapid City to London Heathrow Airport

Our best Air France deals on Rapid City to London Heathrow Airport flight tickets
Air France
Aug 14
RAP4:30 pmRapid City
17h 05m
2 stops
LHR4:35 pmLondon Heathrow
Aug 18
LHR11:30 amLondon Heathrow
18h 07m
2 stops
RAP10:37 pmRapid City
$1,025
Air France
Jul 18
RAP4:15 pmRapid City
14h 30m
2 stops
LHR1:45 pmLondon Heathrow
Jul 25
LHR11:30 amLondon Heathrow
17h 56m
2 stops
RAP10:26 pmRapid City
$1,168

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 June 8, 2026.
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

Cheapest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/29

4:31 pm-1:05 pm

1 stop13h 34m

London Heathrow

Fri 10/2

8:40 am-10:19 pm

2 stops20h 39m

$897

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 9/27

6:48 am-1:05 pm

1 stop23h 17m

London Heathrow

Thu 10/1

6:30 am-10:19 pm

2 stops22h 49m

$910

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 9/28

6:48 am-1:05 pm

1 stop23h 17m

London Heathrow

Mon 10/5

5:35 pm-3:46 pm

2 stops29h 11m

$917
Quickest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/29

5:47 pm-12:25 pm

1 stop11h 38m

London Heathrow

Tue 10/6

11:25 am-8:44 pm

1 stop16h 19m

$926

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

2:32 pm-1:05 pm

1 stop15h 33m

London Heathrow

Wed 8/26

6:30 am-3:49 pm

2 stops16h 19m

$937

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

2:32 pm-1:15 pm

2 stops15h 43m

London Heathrow

Wed 8/26

6:30 am-3:49 pm

2 stops16h 19m

$942

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/29

4:31 pm-1:05 pm

1 stop13h 34m

London Heathrow

Sun 10/4

6:35 pm-3:51 pm

2 stops28h 16m

$947

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

1:31 pm-9:00 am

1 stop12h 29m

London Heathrow

Fri 9/11

7:30 am-5:53 pm

2 stops17h 23m

$948

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 9/28

11:45 am-3:05 pm

1 stop20h 20m

London Heathrow

Mon 10/5

12:55 pm-9:49 am

1 stop27h 54m

$952

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 9/30

4:31 pm-1:50 pm

2 stops14h 19m

London Heathrow

Mon 10/5

8:40 am-10:19 pm

2 stops20h 39m

$956

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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2

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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

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

You could potentially save up to 26% 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

Fastest flight time

13h 58m

Direct flights

None
The fastest flight from Rapid City to London Heathrow Airport takes 13h 58m
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

Frequently asked questions about flying from Rapid City to London Heathrow Airport

  • 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 13h 58m.

  • 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 $695Free CancellationRating
7.4
9,781 reviews
Search United Airlines flights

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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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