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$334+ Cheap flights from South Dakota to London (LON)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LON
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
1 adult, Economy
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Cheap flight deals from South Dakota to London

Cheapest flights from South Dakota to London
Explore the most affordable flight options available from South Dakota to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.

This British Airways deal was found by Cheapflights users on 5/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:41 pm
RAP
-
LHR
1 stop15h 14m
Multiple Airlines
Wed 8/2612:55 pm
LHR
-
RAP
1 stop15h 40m
Multiple Airlines
Deal found 5/6$907
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 8/125:02 pm
RAP
-
LHR
1 stop14h 23m
American Airlines
Wed 8/2610:05 am
LHR
-
RAP
2 stops18h 30m
American Airlines
Deal found 5/4$911
This Iberia deal was found by Cheapflights users on 5/4. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 pm
FSD
-
LHR
1 stop10h 50m
Iberia
Tue 9/227:50 am
LHR
-
FSD
2 stops22h 01m
Iberia
Deal found 5/4$923
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Sun 9/2012:30 pm
RAP
-
LHR
1 stop17h 05m
United Airlines
Tue 10/66:55 am
LHR
-
RAP
2 stops22h 33m
United Airlines
Deal found 5/2$938
This United Airlines deal was found by Cheapflights users on 5/2. 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 9/126:50 pm
FSD
-
LHR
2 stops30h 55m
United Airlines
Tue 9/226:50 am
LHR
-
FSD
2 stops22h 47m
United Airlines
Deal found 5/2$942
This Delta deal was found by Cheapflights users on 5/2. 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.
Sun 9/132:25 pm
RAP
-
LHR
2 stops16h 20m
Delta
Wed 10/216:30 am
LHR
-
RAP
2 stops16h 16m
Delta
Deal found 5/2$943
This United Airlines deal was found by Cheapflights users on 5/2. 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 9/194:41 pm
RAP
-
LHR
1 stop33h 59m
United Airlines
Tue 10/67:25 am
LHR
-
RAP
2 stops22h 03m
United Airlines
Deal found 5/2$944
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Sun 9/2010:13 am
RAP
-
LHR
1 stop16h 27m
United Airlines
Wed 9/307:30 am
LHR
-
RAP
2 stops16h 36m
United Airlines
Deal found 5/2$949
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Wed 8/1211:08 am
RAP
-
LHR
2 stops17h 27m
United Airlines
Wed 8/267:30 am
LHR
-
RAP
2 stops15h 35m
United Airlines
Deal found 5/6$954
This United Airlines deal was found by Cheapflights users on 5/2. 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 9/195:53 pm
RAP
-
LHR
1 stop32h 47m
United Airlines
Fri 10/27:30 am
LHR
-
RAP
2 stops20h 14m
United Airlines
Deal found 5/2$955
This American Airlines deal was found by Cheapflights users on 5/6. 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 9/125:54 pm
FSD
-
LHR
1 stop14h 31m
American Airlines
Tue 9/228:55 am
LHR
-
FSD
1 stop14h 27m
American Airlines
Deal found 5/6$957
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Sun 9/2012:30 pm
RAP
-
LHR
1 stop14h 10m
United Airlines
Thu 10/111:25 am
LHR
-
RAP
1 stop14h 55m
United Airlines
Deal found 5/2$967

Find flight deals from South Dakota to London

Keep the following information in mind while searching for South Dakota to London flight deals. Data was last updated May 6, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$907
(British Airways)

One-way from

$334
(British Airways)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-London (LON) flights.
Search Deals
From South Dakota to London (LON)
Search Deals
One-way flight from South Dakota to London (LON)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota to London 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 May 6, 2026.
Use the filters below to find and compare flights from South Dakota to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

3:23 pm-11:15 am

1 stop12h 52m

London Heathrow

Fri 9/11

12:55 pm-9:58 pm

1 stop16h 03m

$907

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

3:23 pm-11:15 am

1 stop12h 52m

London Heathrow

Fri 9/11

12:55 pm-9:58 pm

1 stop16h 03m

$908

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/22

8:55 am-12:25 pm

1 stop20h 30m

London Heathrow

Wed 9/30

7:30 am-5:06 pm

2 stops16h 36m

$949

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

11:08 am-11:35 am

2 stops17h 27m

London Heathrow

Wed 8/26

7:30 am-4:05 pm

2 stops15h 35m

$954

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 9/19

4:41 pm-9:40 am

1 stop33h 59m

London Heathrow

Wed 9/30

7:30 am-5:06 pm

2 stops16h 36m

$955

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 9/21

10:40 am-9:15 am

2 stops15h 35m

London Heathrow

Fri 10/2

9:40 am-9:58 pm

2 stops19h 18m

$971

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 9/16

7:00 am-6:55 am

2 stops16h 55m

London Heathrow

Fri 10/2

11:25 am-5:06 pm

1 stop12h 41m

$971

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

12:30 pm-11:35 am

2 stops16h 05m

London Heathrow

Fri 9/11

9:30 am-8:32 pm

2 stops18h 02m

$972

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 8/21

12:19 pm-11:15 am

1 stop15h 56m

London Heathrow

Mon 8/31

12:55 pm-9:35 pm

1 stop15h 40m

$1,007

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Tue 9/1

6:20 am-7:55 am

2 stops18h 35m

London City

Fri 9/11

9:20 am-9:58 pm

2 stops19h 38m

$1,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 41 resultsSorted by cheapest first
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Best time to book a flight from South Dakota to London

Have a flexible travel schedule? Discover the best time to fly to London from South Dakota 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 South Dakota to London

What is the cheapest month to book a flight from South Dakota to London?

Currently, July is the cheapest month in which you can book a flight from South Dakota to London (average of $511). Flying from South Dakota to London in June is currently the most expensive (average of $950). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from South Dakota to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from South Dakota to London?

    A quick flight from South Dakota to London can take about 12h 52m. American Airlines provides one of the quickest options available for as low as $908. Airlines will cover a distance of 4385 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from South Dakota to London?

    Most travelers choose Sioux Falls Joe Foss Field - London Heathrow, Sioux Falls Joe Foss Field - London Gatwick or Sioux Falls Joe Foss Field - London City when deciding on the best route from South Dakota to London.

  • Can I find deals for flights from South Dakota to London that include hotel bookings?

    Yes. In addition to deals on South Dakota to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to London.

  • Can I find deals for business class flights from South Dakota to London?

    Yes. Cheapflights offers flight deals from South Dakota to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Dakota to London?

    Currently, July is the cheapest month in which you can book a flight from South Dakota to London (average of $511). Flying from South Dakota to London in June is currently the most expensive (average of $950). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from South Dakota to London

Discover the top 2 airlines that operate flights from South Dakota to London. 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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$654Average$913FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$658Average$987FlexibilityNo cancel feeOn-time71%

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