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Cheap flights from Rapid City to the United Kingdom from $634

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 the United Kingdom departing on 2/4. 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

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Find the cheapest flights from Rapid City to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 am - 9:40 am
RAP
-
LHR
15h 55m1 stop
United Airlines Logo
2:30 pm - 10:29 pm
LHR
-
RAP
38h 59m2 stops
$634United Airlines
Wed, Feb 4 - Sun, Feb 8
United Airlines Logo
10:45 am - 9:40 am
RAP
-
LHR
15h 55m1 stop
United Airlines Logo
11:35 am - 8:32 pm
LHR
-
RAP
15h 57m1 stop
$657United Airlines
Wed, Feb 4 - Sun, Feb 8
United Airlines Logo
12:35 pm - 11:15 am
RAP
-
LHR
15h 40m2 stops
United Airlines Logo
10:25 am - 8:32 pm
LHR
-
RAP
17h 07m2 stops
$747United Airlines
Wed, Feb 4 - Sun, Feb 8

United Airlines flights from Rapid City to United Kingdom

Our best United Airlines deals on Rapid City to United Kingdom flight tickets
United Airlines
Feb 4
RAP10:45 amRapid City
15h 55m
1 stop
LHR9:40 amLondon Heathrow
Feb 8
LHR2:30 pmLondon Heathrow
38h 59m
2 stops
RAP10:29 pmRapid City
$634
Find similar
United Airlines
Feb 4
RAP10:45 amRapid City
15h 55m
1 stop
LHR9:40 amLondon Heathrow
Feb 8
LHR11:35 amLondon Heathrow
15h 57m
1 stop
RAP8:32 pmRapid City
$657
Find similar
United Airlines
Feb 4
RAP12:35 pmRapid City
15h 40m
2 stops
LHR11:15 amLondon Heathrow
Feb 8
LHR10:25 amLondon Heathrow
17h 07m
2 stops
RAP8:32 pmRapid City
$747
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to United Kingdom 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 December 22, 2025.
Use the filters below to find and compare flights from Rapid City to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 2/4

10:45 am-9:40 am

1 stop15h 55m

London Heathrow

Sun 2/8

2:30 pm-10:29 pm

2 stops38h 59m

$634

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 2/4

10:45 am-9:40 am

1 stop15h 55m

London Heathrow

Sun 2/8

11:35 am-8:32 pm

1 stop15h 57m

$657

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 2/4

12:35 pm-11:15 am

2 stops15h 40m

London Heathrow

Sun 2/8

10:25 am-8:32 pm

2 stops17h 07m

$747

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Rapid City to United Kingdom

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 United Kingdom?

The cheapest day to depart from Rapid City to United Kingdom is on a Friday when prices can be found for as low as $772. The most expensive day to fly to United Kingdom is Monday, with ticket prices averaging around $1,104.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from Rapid City to United Kingdom in the afternoon for as low as $778. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly at noon, with an average ticket price of $1,111. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Rapid City to United Kingdom flights?

You could potentially save up to 30% on your flight if you consider stops on a Rapid City to United Kingdom flight.

Cheap Rapid City to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to United Kingdom

Fastest flight time

15h 55m

Direct flights

None
The fastest flight from Rapid City to United Kingdom takes 15h 55m
There are no direct flights from Rapid City to United Kingdom. There are no popular flight routes from Rapid City to United Kingdom.
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  • When did momondo last update prices for flights from Rapid City Airport to United Kingdom?

    Prices for flights from Rapid City Airport to United Kingdom were last updated today.

  • How many operators does momondo search for flights from Rapid City Airport to United Kingdom?

  • How old do you have to be to fly from Rapid City Airport to United Kingdom?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rapid City Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Rapid City to United Kingdom

Compare and see reviews for airlines that fly from Rapid City to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $683Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Rapid City to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

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

Flights from Rapid City to United Kingdom 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 United Kingdom?

Once you have performed a search for Rapid City to United Kingdom 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 United Kingdom right now. Can momondo alert me if prices change?

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

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