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$224+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find 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 November 21, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:23 pmFSD - LHR
1 stop10h 52mLufthansa
Mon 12/89:30 amLHR - FSD
2 stops16h 51mLufthansa
Deal found 11/19$793
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/31:55 pmFSD - LHR
1 stop13h 45mUnited Airlines
Sun 12/76:50 amLHR - FSD
2 stops21h 01mUnited Airlines
Deal found 11/18$807
This Virgin Atlantic deal was found by Cheapflights users on 11/19. 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.
Wed 12/36:05 amRAP - LHR
1 stop18h 00mVirgin Atlantic
Sun 12/78:25 pmLHR - RAP
2 stops33h 21mVirgin Atlantic
Deal found 11/19$808
This United Airlines deal was found by Cheapflights users on 11/18. 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 11/263:18 pmRAP - LHR
1 stop11h 22mUnited Airlines
Tue 12/23:00 pmLHR - RAP
2 stops33h 10mUnited Airlines
Deal found 11/18$833
This Delta deal was found by Cheapflights users on 11/19. 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.
Wed 12/311:02 amRAP - LHR
1 stop13h 03mDelta
Sun 12/711:05 amLHR - RAP
1 stop18h 41mDelta
Deal found 11/19$836
This Lufthansa deal was found by Cheapflights users on 11/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:20 amFSD - LHR
1 stop14h 35mLufthansa
Sun 12/71:35 pmLHR - FSD
1 stop14h 16mLufthansa
Deal found 11/19$836
This Delta deal was found by Cheapflights users on 11/19. 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.
Wed 12/34:25 pmRAP - LCY
2 stops41h 10mDelta
Sun 12/71:45 pmLCY - RAP
2 stops40h 01mDelta
Deal found 11/19$859
This KLM deal was found by Cheapflights users on 11/19. 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.
Mon 12/11:30 pmFSD - LCY
2 stops12h 40mKLM
Mon 12/88:40 amLCY - FSD
2 stops17h 00mKLM
Deal found 11/19$880
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:55 pmFSD - LGW
1 stop34h 05mMultiple Airlines
Mon 12/292:00 pmLGW - FSD
1 stop25h 31mMultiple Airlines
Deal found 11/20$993
This Delta deal was found by Cheapflights users on 11/19. 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.
Fri 12/51:30 pmFSD - LCY
2 stops12h 40mDelta
Tue 12/98:40 amLCY - FSD
2 stops37h 05mDelta
Deal found 11/19$1,006
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:55 pmFSD - LGW
1 stop34h 05mMultiple Airlines
Sun 12/282:10 pmLGW - FSD
2 stops25h 42mMultiple Airlines
Deal found 11/20$1,028
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:55 pmFSD - LGW
1 stop34h 05mMultiple Airlines
Sat 12/272:00 pmLGW - FSD
2 stops49h 11mMultiple Airlines
Deal found 11/20$1,035

Cheap 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 November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$571
(Delta)

One-way from

$224
(Delta)

Popular in

January

Cheapest in

May

Average price

$1,098
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
Highest demand for flights based on searches. 18% potential increase in price ($255 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($89 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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 November 21, 2025.
Use the filters below to find and compare flights from South Dakota to London that are best for you.

Fly from

South Dakota

Fly to

London

Route

Depart

Return

Price

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 1/25

6:00 am-7:05 am

1 stop18h 05m

London Heathrow

Thu 2/26

8:40 am-10:28 pm

2 stops20h 48m

$627

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 4/26

10:58 am-1:10 pm

1 stop20h 12m

London Heathrow

Wed 4/29

6:30 am-10:46 pm

2 stops22h 16m

$652

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 4/27

1:20 pm-1:10 pm

1 stop17h 50m

London Heathrow

Wed 5/6

6:30 am-7:06 pm

2 stops18h 36m

$652

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 4/1

1:20 pm-1:10 pm

1 stop17h 50m

London Heathrow

Wed 4/22

6:30 am-3:28 pm

2 stops14h 58m

$652

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 4/28

4:09 pm-1:10 pm

1 stop15h 01m

London Heathrow

Fri 5/1

8:40 am-10:46 pm

2 stops20h 06m

$652

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 3/29

10:58 am-1:10 pm

1 stop20h 12m

London Heathrow

Thu 4/23

6:30 am-7:06 pm

2 stops18h 36m

$652

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 1/25

2:08 pm-12:15 pm

1 stop15h 07m

London Heathrow

Thu 2/26

8:20 am-10:19 pm

1 stop20h 59m

$654

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 3/30

1:20 pm-9:15 am

2 stops13h 55m

London Heathrow

Thu 4/23

6:30 am-3:28 pm

2 stops14h 58m

$656

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 3/31

1:20 pm-1:30 pm

2 stops18h 10m

London Heathrow

Wed 4/22

6:30 am-7:06 pm

2 stops18h 36m

$656

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Mon 3/30

5:55 pm-10:00 am

2 stops34h 05m

London Gatwick

Wed 4/22

2:00 pm-8:45 am

1 stop24h 45m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 53 results
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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, September is the cheapest month in which you can book a flight from South Dakota to London (average of $652). Flying from South Dakota to London in May is currently the most expensive (average of $1,128). 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.

What is the cheapest time of day to fly from SD to LON?

Find hourly flight availability from South Dakota to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 68% on flights from South Dakota to London by exploring options for tickets at noon.

How much does it cost to fly round-trip from South Dakota to London?

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 15h 07m. Delta provides one of the quickest options available for as low as $654. 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 cheapest airlines to fly from South Dakota to London one-way?

    The cheapest airlines for a one-way flight from South Dakota to London are Delta ($224), KLM ($224), and Iberia ($325).

  • 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 Rapid City - London Heathrow 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, September is the cheapest month in which you can book a flight from South Dakota to London (average of $652). Flying from South Dakota to London in May is currently the most expensive (average of $1,128). 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
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Dartford
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Orpington
Gatwick
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Wembley
Folkestone
Eastbourne
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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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$709Average$1,083FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$750Average$1,024FlexibilityNo cancel feeOn-time71%

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