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$345+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LON
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
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 12, 2026.

This United Airlines deal was found by Cheapflights users on 5/8. 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 10/261:00 pm
RAP
-
LHR
2 stops15h 50m
United Airlines
Wed 10/289:30 am
LHR
-
RAP
2 stops17h 03m
United Airlines
Deal found 5/8$825
This American Airlines deal was found by Cheapflights users on 5/8. 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 10/2110:18 am
RAP
-
LHR
1 stop13h 02m
American Airlines
Tue 10/278:25 am
LHR
-
RAP
2 stops19h 33m
American Airlines
Deal found 5/8$870
This United Airlines deal was found by Cheapflights users on 5/8. 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 10/257:05 am
RAP
-
LHR
1 stop20h 35m
United Airlines
Tue 10/277:30 am
LHR
-
RAP
2 stops19h 03m
United Airlines
Deal found 5/8$904
This British Airways deal was found by Cheapflights users on 5/11. 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 5/11$908
This Iberia deal was found by Cheapflights users on 5/11. 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.
Mon 9/712:07 pm
FSD
-
LHR
1 stop16h 23m
Iberia
Tue 9/152:45 pm
LHR
-
FSD
1 stop15h 06m
Iberia
Deal found 5/11$908
This United Airlines deal was found by Cheapflights users on 5/8. 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 10/245:47 pm
RAP
-
LHR
1 stop33h 53m
United Airlines
Tue 10/279:30 am
LHR
-
RAP
2 stops17h 03m
United Airlines
Deal found 5/8$909
This American Airlines deal was found by Cheapflights users on 5/11. 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 8/1212:41 pm
RAP
-
LHR
1 stop13h 19m
American Airlines
Wed 8/2610:30 am
LHR
-
RAP
2 stops18h 05m
American Airlines
Deal found 5/11$913
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Fri 10/2312:41 pm
RAP
-
LHR
1 stop18h 44m
American Airlines
Wed 10/288:10 am
LHR
-
RAP
2 stops19h 48m
American Airlines
Deal found 5/8$920
This Iberia deal was found by Cheapflights users on 5/11. 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 9/1212:30 pm
FSD
-
LHR
1 stop16h 20m
Iberia
Tue 9/227:50 am
LHR
-
FSD
2 stops22h 01m
Iberia
Deal found 5/11$924
This Delta deal was found by Cheapflights users on 5/8. 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 10/1811:30 am
RAP
-
LHR
1 stop18h 35m
Delta
Fri 10/306:30 am
LHR
-
RAP
2 stops22h 09m
Delta
Deal found 5/8$939
This Delta deal was found by Cheapflights users on 5/8. 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 10/2011:30 am
RAP
-
LHR
2 stops16h 00m
Delta
Fri 10/306:30 am
LHR
-
RAP
2 stops22h 09m
Delta
Deal found 5/8$944
This KLM deal was found by Cheapflights users on 5/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:00 pm
RAP
-
LHR
1 stop33h 05m
KLM
Thu 10/298:25 pm
LHR
-
RAP
2 stops32h 14m
KLM
Deal found 5/8$945

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 12, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$825
(United Airlines)

One-way from

$345
(Expedia)
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 12, 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

Wed 8/12

12:41 pm-10:55 am

1 stop15h 14m

London Heathrow

Wed 8/26

12:55 pm-9:35 pm

1 stop15h 40m

$908

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

3:23 pm-11:15 am

1 stop12h 52m

London Heathrow

Fri 9/11

8:55 am-4:27 pm

1 stop14h 32m

$908

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 9/12

6:00 pm-12:15 pm

1 stop12h 15m

London Heathrow

Tue 9/22

7:50 am-11:51 pm

2 stops22h 01m

$925

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

10:26 am-9:20 am

2 stops15h 54m

London Heathrow

Wed 8/26

8:00 am-5:06 pm

2 stops16h 06m

$973

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 9/1

7:00 am-6:55 am

2 stops16h 55m

London Heathrow

Fri 9/11

10:00 am-8:32 pm

2 stops17h 32m

$973

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 10/19

6:00 am-10:00 am

2 stops22h 00m

London Heathrow

Sun 10/25

6:50 am-5:34 pm

2 stops15h 44m

$992

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 8/21

11:08 am-9:40 am

1 stop15h 32m

London Heathrow

Mon 8/31

5:50 pm-6:24 pm

2 stops31h 34m

$1,001

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 10/21

11:30 am-7:55 am

2 stops13h 25m

London City

Mon 10/26

8:05 pm-10:39 pm

2 stops32h 34m

$1,003

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 10/23

7:00 am-6:30 am

2 stops16h 30m

London Heathrow

Wed 10/28

7:30 am-8:33 pm

2 stops19h 03m

$1,004

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Fri 8/21

12:41 pm-10:55 am

1 stop15h 14m

London Heathrow

Mon 8/31

12:55 pm-9:35 pm

1 stop15h 40m

$1,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 60 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 15m. American Airlines provides one of the quickest options available for as low as $925. Airlines will cover a distance of 4189 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 City or Sioux Falls Joe Foss Field - London Gatwick 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
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton

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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$654Average$948FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$658Average$987FlexibilityNo cancel feeOn-time71%

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