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$792+ Cheap flights from Rapid City (RAP) to the United Kingdom

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LHR
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/11:30 pmRAP - LHR
2 stops14h 35mUnited Airlines
Sun 11/96:50 amLHR - RAP
2 stops34h 44mUnited Airlines
Deal found 10/29$996
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/11:30 pmRAP - LCY
3 stops21h 10mMultiple Airlines
Sun 11/97:20 pmLCY - RAP
3 stops30h 23mMultiple Airlines
Deal found 10/29$1,031
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:00 amRAP - LHR
2 stops36h 50mMultiple Airlines
Sat 12/205:50 pmLHR - RAP
2 stops28h 44mMultiple Airlines
Deal found 10/29$1,085
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/137:00 amRAP - LHR
1 stop19h 40mUnited Airlines
Sat 12/204:20 pmLHR - RAP
2 stops27h 26mUnited Airlines
Deal found 10/29$1,126
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:08 pmRAP - LHR
1 stop18h 07mAmerican Airlines
Sun 11/98:20 amLHR - RAP
1 stop19h 57mAmerican Airlines
Deal found 10/29$1,211
This Netflights deal was found by Cheapflights users on 10/29. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:00 amRAP - LHR
1 stop13h 05mVirgin Atlantic
Sat 12/2011:05 amLHR - RAP
1 stop18h 36mVirgin Atlantic
Deal found 10/29$1,312
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/301:27 pmRAP - LHR
1 stop14h 48mUnited Airlines
Fri 1/912:05 pmLHR - RAP
2 stops17h 24mUnited Airlines
Deal found 10/28$1,705
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/296:05 pmRAP - LHR
1 stop32h 35mUnited Airlines
Fri 1/912:05 pmLHR - RAP
2 stops30h 20mUnited Airlines
Deal found 10/28$1,711
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:30 amRAP - LHR
1 stop21h 30mAmerican Airlines
Mon 1/1210:05 amLHR - RAP
1 stop18h 10mAmerican Airlines
Deal found 10/28$1,726
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/3011:11 amRAP - LHR
2 stops13h 44mUnited Airlines
Mon 1/1212:00 pmLHR - RAP
2 stops17h 29mUnited Airlines
Deal found 10/28$1,730
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/296:05 pmRAP - LHR
1 stop32h 35mUnited Airlines
Sun 1/114:20 pmLHR - RAP
2 stops26h 05mUnited Airlines
Deal found 10/28$1,736
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:56 amRAP - LHR
2 stops13h 49mDelta
Sun 1/111:05 pmLHR - RAP
2 stops16h 23mDelta
Deal found 10/28$1,865

Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$792
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$742
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
Highest demand for flights based on searches. 21% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 2025.
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

Thu 3/26

5:51 am-10:00 am

1 stop22h 09m

London Heathrow

Tue 4/7

7:40 am-8:19 pm

2 stops19h 39m

$792

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 3/27

7:05 am-11:20 am

2 stops22h 15m

London Heathrow

Tue 3/31

10:25 am-8:33 pm

2 stops17h 08m

$813

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 3/27

6:20 am-7:50 am

2 stops19h 30m

London Heathrow

Tue 3/31

8:55 pm-10:14 pm

2 stops32h 19m

$822

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 3/26

8:35 am-8:45 am

3 stops18h 10m

London City

Tue 4/7

7:20 pm-8:33 pm

3 stops32h 13m

$857

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 12/13

11:00 am-6:50 am

2 stops36h 50m

London Heathrow

Sat 12/20

5:50 pm-3:34 pm

2 stops28h 44m

$1,085

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 12/13

7:00 am-9:40 am

1 stop19h 40m

London Heathrow

Sat 12/20

4:20 pm-12:46 pm

2 stops27h 26m

$1,126

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 3/26

10:40 am-8:50 am

2 stops16h 10m

London City

Tue 4/7

9:20 am-10:14 pm

2 stops19h 54m

$1,318

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Fri 3/27

6:20 am-8:10 am

2 stops19h 50m

London City

Tue 3/31

8:40 am-10:14 pm

2 stops20h 34m

$1,747

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Fri 3/27

6:20 am-9:30 am

2 stops21h 10m

London City

Tue 3/31

7:00 pm-10:14 pm

2 stops34h 14m

$1,747

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Sat 12/13

11:00 am-1:15 pm

2 stops19h 15m

London City

Sat 12/20

8:40 am-10:41 pm

2 stops21h 01m

$1,975

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 October 30, 2025.
Read through reviews of airlines operating flights from Rapid City to the United Kingdom, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,035 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 19h 30m. American Airlines provides one of the quickest options available for as low as $822. Rapid City and United Kingdom are separated by a distance of 4385 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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Top 2 airlines flying from Rapid City to United Kingdom

Discover the top 2 airlines 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$751Average$933FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$1,077FlexibilityNo cancel feeOn-time69%

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