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$499+ Cheap flights from Rapid City (RAP) to the United Kingdom

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Rapid City to United Kingdom

Cheapest flights from Rapid City to United Kingdom
Explore the most affordable flight options available from Rapid City to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:48 pm
RAP
-
LHR
1 stop11h 32m
United Airlines
Fri 9/116:55 am
LHR
-
RAP
2 stops22h 13m
United Airlines
Deal found 1/28$661
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2910:45 am
RAP
-
LHR
1 stop15h 55m
United Airlines
Mon 2/211:35 am
LHR
-
RAP
1 stop17h 54m
United Airlines
Deal found 1/26$936
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/512:35 pm
RAP
-
LHR
1 stop14h 05m
United Airlines
Mon 2/911:35 am
LHR
-
RAP
1 stop15h 57m
United Airlines
Deal found 1/28$939
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:13 am
RAP
-
LHR
1 stop16h 27m
United Airlines
Thu 7/96:55 am
LHR
-
RAP
2 stops20h 38m
United Airlines
Deal found 1/28$1,117
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:05 am
RAP
-
LHR
2 stops16h 30m
United Airlines
Thu 7/96:55 am
LHR
-
RAP
2 stops20h 38m
United Airlines
Deal found 1/28$1,125
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:15 am
RAP
-
LHR
1 stop18h 05m
United Airlines
Wed 7/1511:05 am
LHR
-
RAP
1 stop17h 08m
United Airlines
Deal found 1/28$1,145
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:15 am
RAP
-
LHR
1 stop18h 05m
United Airlines
Fri 7/106:55 am
LHR
-
RAP
2 stops20h 38m
United Airlines
Deal found 1/28$1,147

Find flight deals from Rapid City to United Kingdom

Keep the following information in mind while searching for Rapid City to United Kingdom flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,117
(United Airlines)

One-way from

$499
(United Airlines)
Provider with most accurate pricing for Rapid City-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-London (LON) flights.
Search Deals
From Rapid City to United Kingdom
Search Deals
One-way flight from Rapid City to United Kingdom
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Rapid City to the United Kingdom that are best for you.

Fly from

Rapid City

Fly to

United Kingdom

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 6/29

12:50 pm-12:20 pm

1 stop16h 30m

London Heathrow

Thu 7/9

6:55 am-8:33 pm

2 stops20h 38m

$1,117

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 6/24

11:15 am-12:20 pm

1 stop18h 05m

London Heathrow

Thu 7/9

6:55 am-8:33 pm

2 stops20h 38m

$1,117

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 6/23

10:13 am-9:40 am

1 stop16h 27m

London Heathrow

Thu 7/9

6:55 am-8:33 pm

2 stops20h 38m

$1,117

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 6/28

5:48 pm-12:20 pm

1 stop11h 32m

London Heathrow

Wed 7/15

11:25 am-10:08 pm

1 stop17h 43m

$1,145

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 6/24

10:13 am-12:20 pm

1 stop19h 07m

London Heathrow

Wed 7/15

11:25 am-8:33 pm

1 stop16h 08m

$1,145

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 6/29

3:21 pm-9:40 am

1 stop11h 19m

London Heathrow

Wed 7/15

2:50 pm-10:08 pm

1 stop14h 18m

$1,145

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 6/28

10:45 am-12:20 pm

1 stop18h 35m

London Heathrow

Tue 7/14

6:55 am-8:33 pm

2 stops20h 38m

$1,147

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 6/29

10:45 am-9:40 am

1 stop15h 55m

London Heathrow

Tue 7/14

6:55 am-8:33 pm

2 stops20h 38m

$1,147

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 6/28

12:50 pm-12:20 pm

1 stop16h 30m

London Heathrow

Fri 7/10

6:55 am-8:33 pm

2 stops20h 38m

$1,147

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 6/24

7:00 am-12:20 pm

1 stop22h 20m

London Heathrow

Fri 7/10

6:55 am-8:33 pm

2 stops20h 38m

$1,147

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 14 results
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Best time to book a flight from Rapid City to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to the United Kingdom
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from Rapid City to the United Kingdom, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Rapid City to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rapid City to United Kingdom?

    Located just 9.0 mi from the city center, Rapid City (RAP) is the airport most travelers will use when flying to United Kingdom from Rapid City.

  • How long is the flight from Rapid City to United Kingdom?

    A quick flight from Rapid City to United Kingdom can take about 16h 30m. United Airlines provides one of the quickest options available for as low as $1,117. Rapid City and United Kingdom are separated by a distance of 4385 mi.

  • Can I find deals for flights from Rapid City to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Rapid City to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to United Kingdom.

  • Can I find deals for business class flights from Rapid City to United Kingdom?

    Yes. Cheapflights offers flight deals from Rapid City to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Rapid City to United Kingdom

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Top airline flying from Rapid City to United Kingdom

Discover the top airline that operate flights from Rapid City to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$683Average$1,039FlexibilityNo cancel feeOn-time69%

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