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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 11/28. 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
11:25 am - 4:50 pmRAP  Rapid City-LHR London Heathrow
22h 25m2 stops Denver Intl Frankfurt am Main
United Airlines Logo
2:30 pm - 7:08 pmLHR  London Heathrow-RAP Rapid City
35h 38m2 stops Vancouver Intl Denver Intl
$755United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
11:25 am - 9:40 amRAP  Rapid City-LHR London Heathrow
15h 15m1 stop Denver Intl
United Airlines Logo
7:30 am - 5:03 pmLHR  London Heathrow-RAP Rapid City
16h 33m2 stops Frankfurt am Main Denver Intl
$828United Airlines
Sun, Dec 6 - Tue, Dec 8
Delta Logo
4:31 pm - 10:20 amRAP  Rapid City-LHR London Heathrow
10h 49m1 stop Minneapolis St Paul
Delta Logo
8:40 am - 10:30 pmLHR  London Heathrow-RAP Rapid City
20h 50m2 stops Amsterdam Schiphol Minneapolis St Paul
$886Delta
Wed, Sep 30 - Wed, Oct 7
Delta Logo
2:30 pm - 10:20 amRAP  Rapid City-LHR London Heathrow
12h 50m1 stop Minneapolis St Paul
Delta Logo
8:40 am - 10:30 pmLHR  London Heathrow-RAP Rapid City
20h 50m2 stops Amsterdam Schiphol Minneapolis St Paul
$886Delta
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
10:42 am - 10:20 amRAP  Rapid City-LHR London Heathrow
16h 38m1 stop Minneapolis St Paul
Multiple Airlines Logo
6:30 am - 1:57 pmLHR  London Heathrow-RAP Rapid City
14h 27m2 stops Amsterdam Schiphol Minneapolis St Paul
$886Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Delta Logo
2:30 pm - 10:20 amRAP  Rapid City-LHR London Heathrow
12h 50m1 stop Minneapolis St Paul
Delta Logo
6:15 am - 3:58 pmLHR  London Heathrow-RAP Rapid City
16h 43m2 stops Paris Charles de Gaulle Minneapolis St Paul
$893Delta
Wed, Sep 30 - Wed, Oct 7
American Airlines Logo
4:56 pm - 2:25 pmRAP  Rapid City-LHR London Heathrow
14h 29m1 stop Dallas/Fort Worth
American Airlines Logo
4:25 pm - 9:54 amLHR  London Heathrow-RAP Rapid City
24h 29m1 stop Dallas/Fort Worth
$915American Airlines
Wed, Sep 30 - Wed, Oct 7
Delta Logo
2:30 pm - 10:20 amRAP  Rapid City-LHR London Heathrow
12h 50m1 stop Minneapolis St Paul
Delta Logo
12:25 pm - 10:30 pmLHR  London Heathrow-RAP Rapid City
17h 05m1 stop Minneapolis St Paul
$915Delta
Wed, Sep 30 - Wed, Oct 7
American Airlines Logo
4:56 pm - 2:25 pmRAP  Rapid City-LHR London Heathrow
14h 29m1 stop Dallas/Fort Worth
American Airlines Logo
4:25 pm - 9:54 amLHR  London Heathrow-RAP Rapid City
24h 29m1 stop Dallas/Fort Worth
$916American Airlines
Wed, Sep 30 - Wed, Oct 7

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Delta flights from Rapid City to London Heathrow Airport

Our best Delta deals on Rapid City to London Heathrow Airport flight tickets
Delta
Sep 30
RAP4:31 pmRapid City
10h 49m
1 stop
LHR10:20 amLondon Heathrow
Oct 7
LHR8:40 amLondon Heathrow
20h 50m
2 stops
RAP10:30 pmRapid City
$886
Delta
Sep 30
RAP2:30 pmRapid City
12h 50m
1 stop
LHR10:20 amLondon Heathrow
Oct 7
LHR6:15 amLondon Heathrow
16h 43m
2 stops
RAP3:58 pmRapid City
$893
Delta
Sep 30
RAP2:30 pmRapid City
12h 50m
1 stop
LHR10:20 amLondon Heathrow
Oct 7
LHR12:25 pmLondon Heathrow
17h 05m
1 stop
RAP10:30 pmRapid City
$915

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
Dec 6
RAP11:25 amRapid City
22h 25m
2 stops
LHR4:50 pmLondon Heathrow
Dec 8
LHR2:30 pmLondon Heathrow
35h 38m
2 stops
RAP7:08 pmRapid City
$755
United Airlines
Dec 6
RAP11:25 amRapid City
15h 15m
1 stop
LHR9:40 amLondon Heathrow
Dec 8
LHR7:30 amLondon Heathrow
16h 33m
2 stops
RAP5:03 pmRapid City
$828
United Airlines
Sep 29
RAP5:00 amRapid City
21h 40m
1 stop
LHR9:40 amLondon Heathrow
Oct 6
LHR6:50 amLondon Heathrow
34h 25m
2 stops
RAP10:15 amRapid City
$891

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 August 16, 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 Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 12/6

11:25 am-4:50 pm

2 stops22h 25m

London Heathrow

Tue 12/8

2:30 pm-7:08 pm

2 stops35h 38m

$755

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sun 12/6

11:25 am-9:40 am

1 stop15h 15m

London Heathrow

Tue 12/8

7:30 am-5:03 pm

2 stops16h 33m

$828

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 9/30

4:31 pm-10:20 am

1 stop10h 49m

London Heathrow

Wed 10/7

8:40 am-10:30 pm

2 stops20h 50m

$886

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 9/30

2:30 pm-10:20 am

1 stop12h 50m

London Heathrow

Wed 10/7

8:40 am-10:30 pm

2 stops20h 50m

$886

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 9/30

10:42 am-10:20 am

1 stop16h 38m

London Heathrow

Wed 10/7

6:30 am-1:57 pm

2 stops14h 27m

$886
Quickest round-trip

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 9/30

2:30 pm-10:20 am

1 stop12h 50m

London Heathrow

Wed 10/7

6:15 am-3:58 pm

2 stops16h 43m

$893

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 9/30

4:56 pm-2:25 pm

1 stop14h 29m

London Heathrow

Wed 10/7

4:25 pm-9:54 am

1 stop24h 29m

$915

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 9/30

2:30 pm-10:20 am

1 stop12h 50m

London Heathrow

Wed 10/7

12:25 pm-10:30 pm

1 stop17h 05m

$915

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Wed 9/30

4:56 pm-2:25 pm

1 stop14h 29m

London Heathrow

Wed 10/7

4:25 pm-9:54 am

1 stop24h 29m

$916
Cheapest one-way

Rapid CityLondon

RAP Rapid City - LHR London Heathrow

RAPLHR

Rapid City

Sat 11/28

6:16 am-10:00 am

1 stop20h 44m

$384

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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

What is the cheapest airline that flies from Rapid City to London Heathrow?

British Airways, Scandinavian Airlines, and Finnair are the most popular carriers operating from Rapid City to London Heathrow

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

16h 38m

Direct flights

None
The fastest flight from Rapid City to London Heathrow Airport takes 16h 38m
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 16h 38m.

  • 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
10,111 reviews
Search United Airlines flights

Traveling to a place near London?

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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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