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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 16 — Dec 231
Tue 12/16
Tue 12/23
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 16, 2025.

This KLM deal was found by Cheapflights users on 11/13. 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 12/211:02 amRAP - LHR
1 stop13h 03mKLM
Tue 12/95:50 pmLHR - RAP
2 stops28h 55mKLM
Deal found 11/13$619
This Virgin Atlantic deal was found by Cheapflights users on 11/13. 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.
Tue 12/211:02 amRAP - LHR
1 stop13h 03mVirgin Atlantic
Tue 12/911:05 amLHR - RAP
1 stop18h 41mVirgin Atlantic
Deal found 11/13$647
This United Airlines deal was found by Cheapflights users on 11/14. 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 11/153:15 pmFSD - LHR
1 stop32h 40mUnited Airlines
Sat 11/224:40 pmLHR - FSD
2 stops30h 57mUnited Airlines
Deal found 11/14$676
This United Airlines deal was found by Cheapflights users on 11/16. 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 12/313:08 pmFSD - LHR
1 stop14h 07mUnited Airlines
Wed 1/76:00 pmLHR - FSD
2 stops35h 44mUnited Airlines
Deal found 11/16$690
This KLM deal was found by Cheapflights users on 11/16. 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.
Wed 12/3111:06 amFSD - LHR
1 stop13h 59mKLM
Wed 1/710:45 amLHR - FSD
1 stop18h 29mKLM
Deal found 11/16$701
This United Airlines deal was found by Cheapflights users on 11/15. 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.
Fri 12/1211:20 amFSD - LHR
1 stop12h 35mUnited Airlines
Mon 12/156:30 amLHR - FSD
2 stops21h 20mUnited Airlines
Deal found 11/15$729
This KLM deal was found by Cheapflights users on 11/14. 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 11/155:05 amFSD - LHR
1 stop20h 45mKLM
Sat 11/228:55 amLHR - FSD
1 stop20h 14mKLM
Deal found 11/14$746
This KLM deal was found by Cheapflights users on 11/15. 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.
Fri 12/121:30 pmFSD - LHR
1 stop11h 35mKLM
Mon 12/1511:05 amLHR - FSD
1 stop14h 35mKLM
Deal found 11/15$747
This United Airlines deal was found by Cheapflights users on 11/15. 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 12/306:16 pmFSD - LHR
1 stop31h 39mUnited Airlines
Tue 1/611:10 amLHR - FSD
2 stops36h 08mUnited Airlines
Deal found 11/15$774
This Delta deal was found by Cheapflights users on 11/15. 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 - LCY
2 stops14h 48mDelta
Sun 12/71:45 pmLCY - RAP
2 stops33h 00mDelta
Deal found 11/15$1,006
This KLM deal was found by Cheapflights users on 11/15. 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.
Wed 11/1911:07 amRAP - LHR
1 stop12h 58mKLM
Fri 11/216:30 amLHR - RAP
2 stops16h 15mKLM
Deal found 11/15$1,110
This Expedia deal was found by Cheapflights users on 11/15. 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.
Tue 12/1610:43 amFSD - LGW
2 stops26h 17mIberia
Sun 12/287:40 pmLGW - FSD
2 stops29h 19mIberia
Deal found 11/15$1,122

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 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$619
(KLM)

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.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-London (LON) flights.
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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
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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 16, 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

Tue 12/2

11:02 am-7:05 am

1 stop13h 03m

London Heathrow

Tue 12/9

5:50 pm-3:45 pm

2 stops28h 55m

$619

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 2/18

5:50 am-7:10 am

2 stops19h 20m

London Heathrow

Tue 2/24

6:50 am-5:21 pm

2 stops16h 31m

$625

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

Wed 2/18

1:40 pm-9:40 am

1 stop14h 00m

London Heathrow

Tue 2/24

11:35 am-8:39 pm

1 stop15h 04m

$638

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Tue 12/2

11:02 am-7:05 am

1 stop13h 03m

London Heathrow

Tue 12/9

11:05 am-10:46 pm

1 stop18h 41m

$647

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

8:40 am-10:46 pm

2 stops20h 06m

$652

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sun 1/25

6:00 am-6:50 am

1 stop17h 50m

London Heathrow

Thu 2/26

8:20 am-10:19 pm

1 stop20h 59m

$653

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 3/24

10:58 am-7:05 am

1 stop15h 07m

London Heathrow

Tue 3/31

10:55 am-10:16 pm

1 stop17h 21m

$664

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 3/24

8:10 am-8:45 am

2 stops19h 35m

London Heathrow

Tue 3/31

12:25 pm-10:58 pm

1 stop16h 33m

$669

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 4/27

1:33 pm-8:05 am

1 stop12h 32m

London Heathrow

Wed 5/6

10:05 am-8:59 pm

1 stop16h 54m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 37 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 16, 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.

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 03m. KLM provides one of the quickest options available for as low as $619. 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), American Airlines ($224), and KLM ($224).

  • 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
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
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Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$709Average$1,083FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$750Average$1,024FlexibilityNo cancel feeOn-time71%

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