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$337+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
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 February 28, 2026.

This American Airlines deal was found by Cheapflights users on 2/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:34 pm
RAP
-
LHR
1 stop15h 21m
American Airlines
Tue 10/278:25 am
LHR
-
RAP
2 stops19h 36m
American Airlines
Deal found 2/26$649
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Wed 10/211:00 pm
RAP
-
LHR
2 stops14h 15m
United Airlines
Tue 10/276:50 am
LHR
-
RAP
2 stops34h 03m
United Airlines
Deal found 2/26$671
This American Airlines deal was found by Cheapflights users on 2/24. 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 8/1212:19 pm
RAP
-
LHR
1 stop13h 41m
American Airlines
Wed 8/268:55 am
LHR
-
RAP
1 stop19h 04m
American Airlines
Deal found 2/24$686
This KLM deal was found by Cheapflights users on 2/25. 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.
Tue 10/61:20 pm
FSD
-
LHR
1 stop17h 45m
KLM
Fri 10/1611:15 am
LHR
-
FSD
1 stop16h 57m
KLM
Deal found 2/25$687
This United Airlines deal was found by Cheapflights users on 2/24. 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 8/127:05 am
RAP
-
LHR
2 stops16h 25m
United Airlines
Wed 8/2611:25 am
LHR
-
RAP
1 stop12h 38m
United Airlines
Deal found 2/24$690
This United Airlines deal was found by Cheapflights users on 2/27. 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 10/67:40 am
FSD
-
LHR
2 stops20h 35m
United Airlines
Fri 10/165:40 pm
LHR
-
FSD
2 stops33h 06m
United Airlines
Deal found 2/27$690
This Finnair deal was found by Cheapflights users on 2/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:41 am
RAP
-
LHR
1 stop20h 24m
Multiple Airlines
Fri 9/114:10 pm
LHR
-
RAP
1 stop26h 43m
Multiple Airlines
Deal found 2/24$694
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Wed 8/127:40 am
FSD
-
LHR
2 stops20h 35m
United Airlines
Mon 8/179:00 am
LHR
-
FSD
2 stops41h 46m
United Airlines
Deal found 2/26$702
This United Airlines deal was found by Cheapflights users on 2/27. 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 9/17:00 am
RAP
-
LHR
2 stops16h 30m
United Airlines
Fri 9/1111:25 am
LHR
-
RAP
1 stop16h 07m
United Airlines
Deal found 2/27$710
This Expedia deal was found by Cheapflights users on 2/24. 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.
Wed 4/87:45 pm
FSD
-
LHR
1 stop10h 30m
Iberia
Tue 4/216:15 am
LHR
-
FSD
2 stops22h 56m
Iberia
Deal found 2/24$713
This KLM deal was found by Cheapflights users on 2/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:25 am
FSD
-
LHR
1 stop21h 35m
KLM
Thu 12/108:40 am
LHR
-
FSD
2 stops16h 34m
KLM
Deal found 2/26$718
This Virgin Atlantic deal was found by Cheapflights users on 2/26. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:58 am
FSD
-
LHR
2 stops13h 52m
Virgin Atlantic
Thu 12/108:40 am
LHR
-
FSD
2 stops16h 34m
Virgin Atlantic
Deal found 2/26$722

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 February 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$686
(American Airlines)

One-way from

$337
(BusinessClass)
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 February 28, 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

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

4:42 pm-2:25 pm

1 stop14h 43m

London Heathrow

Wed 8/26

12:55 pm-8:59 pm

1 stop15h 04m

$687

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Wed 8/12

11:08 am-9:40 am

1 stop15h 32m

London Heathrow

Wed 8/26

8:30 am-10:12 am

2 stops32h 42m

$692

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 8/1

6:37 pm-9:00 am

1 stop32h 23m

London Heathrow

Wed 8/12

2:50 pm-10:56 pm

1 stop14h 06m

$737

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 4/26

3:55 pm-1:05 pm

1 stop14h 10m

London Heathrow

Mon 5/4

6:30 am-10:20 pm

2 stops22h 50m

$788

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/1

10:53 am-1:05 pm

1 stop20h 12m

London Heathrow

Fri 5/8

12:25 pm-11:11 pm

1 stop16h 46m

$796

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 4/12

12:29 pm-6:50 am

1 stop12h 21m

London Heathrow

Sun 4/19

3:15 pm-11:11 pm

1 stop13h 56m

$797

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/8

8:00 am-7:10 am

2 stops17h 10m

London Heathrow

Sat 4/18

10:45 am-11:02 pm

2 stops18h 17m

$821

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Wed 8/12

6:20 am-9:30 am

2 stops20h 10m

London City

Wed 8/26

7:45 am-3:10 pm

2 stops14h 25m

$831

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 3/30

11:01 am-7:10 am

2 stops14h 09m

London Heathrow

Mon 4/6

6:30 am-11:04 pm

2 stops22h 34m

$832

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 4/11

3:10 pm-8:30 am

1 stop11h 20m

London Heathrow

Sat 4/18

2:50 pm-11:44 pm

1 stop14h 54m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 43 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, March is the cheapest month in which you can book a flight from South Dakota to London (average of $602). Flying from South Dakota to London in June is currently the most expensive (average of $1,021). 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 13h 41m. American Airlines provides one of the quickest options available for as low as $686. 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 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, March is the cheapest month in which you can book a flight from South Dakota to London (average of $602). Flying from South Dakota to London in June is currently the most expensive (average of $1,021). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Kingston upon Thames
Eastbourne
Sutton
Slough

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 February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$658Average$851FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$695Average$924FlexibilityNo cancel feeOn-time69%

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