United Kingdom

$224+ Cheap flights from South Dakota to the United Kingdom

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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LHR
Feb 28 — Mar 71
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Cheap flight deals from South Dakota to United Kingdom

Cheapest flights from South Dakota to United Kingdom
Explore the most affordable flight options available from South Dakota to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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 5/11:35 pm
FSD
-
LHR
2 stops38h 25m
United Airlines
Mon 5/49:00 am
LHR
-
FSD
2 stops20h 43m
United Airlines
Deal found 1/28$640
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/57:43 am
FSD
-
LHR
1 stop18h 12m
United Airlines
Mon 3/91:30 pm
LHR
-
FSD
2 stops30h 02m
United Airlines
Deal found 1/28$644
This United Airlines deal was found by Cheapflights users on 1/28. 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 9/15:48 pm
RAP
-
LHR
1 stop11h 32m
United Airlines
Fri 9/116:55 am
LHR
-
RAP
2 stops22h 13m
United Airlines
Deal found 1/28$661
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 2/262:08 pm
FSD
-
LHR
1 stop12h 07m
American Airlines
Sat 3/78:20 am
LHR
-
FSD
1 stop14h 29m
American Airlines
Deal found 1/28$662
This Virgin Atlantic deal was found by Cheapflights users on 1/28. 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 2/261:00 pm
FSD
-
LHR
1 stop12h 05m
Virgin Atlantic
Sat 3/79:40 am
LHR
-
FSD
2 stops19h 15m
Virgin Atlantic
Deal found 1/28$666
This United Airlines deal was found by Cheapflights users on 1/27. 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 10/61:45 pm
FSD
-
LHR
1 stop16h 35m
United Airlines
Fri 10/165:40 pm
LHR
-
FSD
2 stops33h 06m
United Airlines
Deal found 1/27$674
This British Airways deal was found by Cheapflights users on 1/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:48 pm
FSD
-
LHR
1 stop12h 02m
Multiple Airlines
Fri 8/2112:55 pm
LHR
-
FSD
1 stop14h 09m
Multiple Airlines
Deal found 1/26$686
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 8/23:16 pm
FSD
-
LHR
1 stop14h 29m
United Airlines
Wed 8/198:00 am
LHR
-
FSD
1 stop19h 47m
United Airlines
Deal found 1/27$689
This Finnair deal was found by Cheapflights users on 1/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:31 pm
FSD
-
LHR
1 stop16h 44m
Multiple Airlines
Fri 10/1612:55 pm
LHR
-
FSD
1 stop14h 04m
Multiple Airlines
Deal found 1/27$690
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 8/16:20 pm
FSD
-
LHR
1 stop32h 40m
United Airlines
Wed 8/198:00 am
LHR
-
FSD
1 stop19h 47m
United Airlines
Deal found 1/27$694
This lastminute.com deal was found by Cheapflights users on 1/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/291:02 pm
FSD
-
MAN
2 stops15h 28m
Virgin Atlantic
Tue 2/31:00 pm
MAN
-
FSD
2 stops16h 04m
Virgin Atlantic
Deal found 1/27$745
This Billigflug deal was found by Cheapflights users on 1/27. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/295:11 am
FSD
-
MAN
1 stop23h 19m
Multiple Airlines
Tue 2/31:00 pm
MAN
-
FSD
2 stops16h 04m
Multiple Airlines
Deal found 1/27$794

Find flight deals from South Dakota to United Kingdom

Keep the following information in mind while searching for South Dakota to United Kingdom flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$640
(United Airlines)

One-way from

$224
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$809
Provider with most accurate pricing for Sioux Falls Joe Foss Field-London (LON) flight deals.
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-London (LON) flights.
From South Dakota to United Kingdom
One-way flight from South Dakota to United Kingdom
Highest demand for flights based on searches. 9% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota to United Kingdom 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 January 29, 2026.
Use the filters below to find and compare flights from South Dakota to the United Kingdom that are best for you.

Fly from

South Dakota

Fly to

United Kingdom

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/1

1:35 pm-10:00 am

2 stops38h 25m

London Heathrow

Mon 5/4

9:00 am-11:43 pm

2 stops20h 43m

$640

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Thu 3/5

7:43 am-7:55 am

1 stop18h 12m

London Heathrow

Mon 3/9

1:30 pm-2:32 pm

2 stops30h 02m

$644

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/1

10:50 am-1:05 pm

1 stop20h 15m

London Heathrow

Mon 5/4

12:25 pm-11:02 pm

1 stop16h 37m

$778

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 5/15

6:00 am-10:00 am

2 stops22h 00m

London Heathrow

Mon 5/18

6:50 am-9:47 pm

2 stops20h 57m

$792

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 7/22

5:25 am-6:45 am

1 stop19h 20m

London Heathrow

Wed 8/5

8:40 am-10:46 pm

2 stops20h 06m

$873

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/21

8:15 am-6:45 am

2 stops16h 30m

London Heathrow

Fri 8/7

10:55 am-10:46 pm

2 stops17h 51m

$907

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 7/20

4:09 pm-1:05 pm

1 stop14h 56m

London Heathrow

Tue 8/4

6:55 pm-10:00 am

2 stops21h 05m

$907

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Tue 7/21

1:20 pm-8:50 am

2 stops13h 30m

London City

Wed 8/5

9:20 am-10:46 pm

2 stops19h 26m

$908

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Tue 7/21

10:58 am-8:50 am

2 stops15h 52m

London City

Fri 8/7

7:45 am-10:46 pm

2 stops21h 01m

$908

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Fri 5/1

8:05 am-7:55 am

2 stops17h 50m

London City

Mon 5/4

9:20 am-11:02 pm

2 stops19h 42m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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Best time to book a flight from South Dakota to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

What is the cheapest month to book a flight from South Dakota to United Kingdom?

Currently, March is the cheapest month in which you can book a flight from South Dakota to United Kingdom (average of $602). Flying from South Dakota to United Kingdom in June is currently the most expensive (average of $1,081). 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 United Kingdom. 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 United Kingdom?

    There are many flights that can get you from South Dakota to United Kingdom in 13h 30m. Fly via United Airlines, Delta, or Iberia to get the fastest option. Airlines will cover a distance of 4205 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from South Dakota to United Kingdom that include hotel bookings?

    Yes. In addition to deals on South Dakota to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to United Kingdom.

  • Can I find deals for business class flights from South Dakota to United Kingdom?

    Yes. Cheapflights offers flight deals from South Dakota to United Kingdom 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 United Kingdom?

    Currently, March is the cheapest month in which you can book a flight from South Dakota to United Kingdom (average of $602). Flying from South Dakota to United Kingdom in June is currently the most expensive (average of $1,081). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Dakota to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from South Dakota to United Kingdom

Discover the top 2 airlines that operate flights from South Dakota to United Kingdom. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$658Average$1,047FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$683Average$954FlexibilityNo cancel feeOn-time69%

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