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$362+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 12/15:05 amFSD - LHR
1 stop19h 20mDelta
Sun 12/78:55 amLHR - FSD
2 stops20h 19mDelta
Deal found 10/30$601
This KLM deal was found by Cheapflights users on 10/30. 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 - LHR
1 stop11h 35mKLM
Sun 12/712:30 pmLHR - FSD
1 stop16h 44mKLM
Deal found 10/30$624
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/16:23 pmFSD - LHR
2 stops30h 47mUnited Airlines
Sun 12/78:30 amLHR - FSD
2 stops19h 21mUnited Airlines
Deal found 10/30$630
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/286:23 pmFSD - LHR
1 stop10h 52mUnited Airlines
Fri 12/56:50 amLHR - FSD
2 stops16h 43mUnited Airlines
Deal found 10/29$636
This KLM deal was found by Cheapflights users on 10/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:35 pmFSD - LHR
1 stop11h 30mMultiple Airlines
Thu 11/206:20 amLHR - FSD
2 stops15h 19mMultiple Airlines
Deal found 10/27$642
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:56 amFSD - LHR
2 stops18h 44mDelta
Thu 11/206:20 amLHR - FSD
2 stops15h 19mDelta
Deal found 10/27$646
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/119:00 amFSD - LHR
1 stop18h 40mUnited Airlines
Fri 3/66:30 amLHR - FSD
2 stops21h 19mUnited Airlines
Deal found 10/29$647
This KLM deal was found by Cheapflights users on 10/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:35 pmFSD - LHR
1 stop11h 30mKLM
Thu 11/2011:05 amLHR - FSD
1 stop14h 30mKLM
Deal found 10/27$649
This Netflights deal was found by Cheapflights users on 10/29. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:20 amFSD - LHR
1 stop20h 30mVirgin Atlantic
Fri 12/512:30 pmLHR - FSD
1 stop16h 44mVirgin Atlantic
Deal found 10/29$660
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/119:00 amFSD - LHR
1 stop18h 40mUnited Airlines
Wed 3/116:50 amLHR - FSD
2 stops19h 59mUnited Airlines
Deal found 10/29$683
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/113:15 pmFSD - LHR
1 stop10h 40mUnited Airlines
Sun 3/87:30 amLHR - FSD
2 stops19h 19mUnited Airlines
Deal found 10/29$696
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Thu 12/115:55 pmFSD - LGW
1 stop34h 05mMultiple Airlines
Thu 3/52:00 pmLGW - FSD
2 stops33h 47mMultiple Airlines
Deal found 10/29$725

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$601
(Delta)

One-way from

$362
(Kiwi.com)

Popular in

January

Cheapest in

May

Average price

$1,015
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 ($90 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 30, 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

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 1/13

10:50 am-7:05 am

1 stop14h 15m

London Heathrow

Tue 3/10

6:20 am-10:58 pm

2 stops21h 38m

$599

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 1/6

10:50 am-10:50 am

2 stops18h 00m

London Heathrow

Tue 3/10

6:20 am-10:58 pm

2 stops21h 38m

$604

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 1/5

5:00 am-6:20 am

2 stops19h 20m

London Heathrow

Tue 3/10

6:20 am-10:58 pm

2 stops21h 38m

$604

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 1/17

4:17 pm-7:05 am

1 stop32h 48m

London Heathrow

Tue 3/10

11:05 am-10:58 pm

1 stop16h 53m

$607

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 12/1

1:30 pm-7:05 am

1 stop11h 35m

London Heathrow

Sun 12/7

12:30 pm-11:14 pm

1 stop16h 44m

$624

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 12/1

6:23 pm-7:10 am

2 stops30h 47m

London Heathrow

Sun 12/7

8:30 am-9:51 pm

2 stops19h 21m

$630

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 11/28

6:23 pm-11:15 am

1 stop10h 52m

London Heathrow

Fri 12/5

6:50 am-5:33 pm

2 stops16h 43m

$636

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 11/28

6:23 pm-11:15 am

1 stop10h 52m

London Heathrow

Fri 12/5

6:50 am-5:33 pm

2 stops16h 43m

$636

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 11/28

5:18 am-6:20 am

2 stops19h 02m

London Heathrow

Fri 12/5

8:55 am-11:14 pm

2 stops20h 19m

$646

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 12/11

11:20 am-6:40 am

2 stops13h 20m

London Heathrow

Fri 3/6

6:30 am-9:49 pm

2 stops21h 19m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 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 October 30, 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 14h 15m. Delta provides one of the quickest options available for as low as $599. 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 Rapid City - 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, 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
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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Alternative routes for South Dakota to London

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$750Average$1,024FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$950FlexibilityNo cancel feeOn-time69%

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