HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$334+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Dakota to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 2, 2026.

This Expedia deal was found by Cheapflights users on 7/31. 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 11/113:26 pm
FSD
-
LHR
1 stop11h 09m
Iberia
Tue 11/177:30 am
LHR
-
FSD
2 stops17h 31m
Iberia
Deal found 7/31$844
This Air France deal was found by Cheapflights users on 7/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:29 am
RAP
-
LHR
1 stop12h 36m
Multiple Airlines
Wed 11/116:30 am
LHR
-
RAP
2 stops23h 09m
Multiple Airlines
Deal found 7/29$875
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:31 pm
RAP
-
LHR
1 stop13h 34m
Delta
Thu 10/89:55 am
LHR
-
RAP
2 stops19h 35m
Delta
Deal found 7/28$884
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:48 am
RAP
-
LCY
2 stops19h 02m
Delta
Thu 10/88:25 am
LCY
-
RAP
2 stops21h 05m
Delta
Deal found 7/28$912
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 9/281:37 pm
RAP
-
LHR
1 stop15h 18m
United Airlines
Thu 10/82:50 pm
LHR
-
RAP
1 stop14h 40m
United Airlines
Deal found 7/28$913
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:09 pm
RAP
-
LHR
1 stop15h 51m
American Airlines
Tue 11/178:25 am
LHR
-
RAP
2 stops20h 02m
American Airlines
Deal found 7/29$916
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:41 pm
FSD
-
LHR
2 stops15h 59m
Lufthansa
Sun 10/46:30 am
LHR
-
FSD
2 stops22h 41m
Lufthansa
Deal found 7/30$929
This Iberia deal was found by Cheapflights users on 7/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:23 pm
FSD
-
LHR
1 stop11h 07m
Iberia
Thu 9/176:15 am
LHR
-
FSD
2 stops24h 14m
Iberia
Deal found 7/31$930
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 9/221:33 pm
FSD
-
LHR
1 stop16h 52m
United Airlines
Sun 10/46:50 am
LHR
-
FSD
2 stops17h 06m
United Airlines
Deal found 7/30$933
This KLM deal was found by Cheapflights users on 7/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:30 am
FSD
-
LHR
1 stop18h 55m
KLM
Sun 10/48:40 am
LHR
-
FSD
2 stops17h 03m
KLM
Deal found 7/28$934
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/126:41 pm
FSD
-
LHR
2 stops29h 49m
United Airlines
Tue 9/226:50 am
LHR
-
FSD
2 stops17h 16m
United Airlines
Deal found 7/30$937
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/315:50 pm
RAP
-
LHR
2 stops31h 20m
United Airlines
Sun 11/156:50 am
LHR
-
RAP
2 stops34h 41m
United Airlines
Deal found 7/31$939

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 August 2, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$844
(Expedia)

One-way from

$334
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,022
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. 5% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 2, 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

Cheapest round-trip
Quickest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 11/11

3:26 pm-8:35 am

1 stop11h 09m

London Heathrow

Tue 11/17

3:40 pm-12:39 am

1 stop14h 59m

$877

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Mon 9/28

4:31 pm-1:05 pm

1 stop13h 34m

London Heathrow

Thu 10/8

9:55 am-10:30 pm

2 stops19h 35m

$884

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Mon 9/28

6:48 am-8:50 am

2 stops19h 02m

London City

Thu 10/8

8:25 am-10:30 pm

2 stops21h 05m

$912

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 9/22

5:30 am-6:25 am

1 stop18h 55m

London Heathrow

Sun 10/4

8:40 am-7:43 pm

2 stops17h 03m

$934

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sat 9/12

6:41 pm-6:30 am

2 stops29h 49m

London Heathrow

Tue 9/22

6:50 am-6:06 pm

2 stops17h 16m

$939

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 10/3

5:53 pm-9:40 am

1 stop32h 47m

London Heathrow

Sun 10/18

5:40 pm-8:52 pm

2 stops34h 12m

$953

Rapid CityLondon

RAP - LCY

RAPLCY

Rapid City

Thu 11/12

11:29 am-9:30 am

2 stops15h 01m

London City

Tue 11/17

8:40 am-10:37 pm

2 stops20h 57m

$953

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Thu 11/12

6:40 am-7:05 am

1 stop17h 25m

London Heathrow

Tue 11/17

9:50 am-3:55 pm

1 stop13h 05m

$954

Rapid CityLondon

RAP - LHR

RAPLHR

Rapid City

Sat 10/31

5:50 pm-7:10 am

2 stops31h 20m

London Heathrow

Sun 11/15

11:35 am-7:19 pm

1 stop14h 44m

$962

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 9/22

6:41 pm-11:55 am

1 stop11h 14m

London Heathrow

Sun 10/4

11:25 am-11:44 pm

1 stop18h 19m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 51 resultsSorted by cheapest first
1
2
3
...
6

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 $729). Flying from South Dakota to London in June is currently the most expensive (average of $1,190). 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 11h 09m. Iberia provides one of the quickest options available for as low as $877. 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, Rapid City - London Heathrow or Sioux Falls Joe Foss Field - 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, March is the cheapest month in which you can book a flight from South Dakota to London (average of $729). Flying from South Dakota to London in June is currently the most expensive (average of $1,190). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$654Average$998FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$658Average$987FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights