London

$922+ Cheap flights from Sioux Falls (FSD) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
juli 4 — juli 111
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Cheap flight deals from Sioux Falls to London

Cheapest flights from Sioux Falls to London
Explore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juni 4, 2026.

This Iberia deal was found by Cheapflights users on 6/3. 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.
lør. 9/126:41 pm
FSD
-
LHR
1 stop11h 34m
Iberia
tir. 9/226:15 am
LHR
-
FSD
2 stops24h 05m
Iberia
Deal found 6/3$922
This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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.
man. 8/176:38 pm
FSD
-
LHR
2 stops17h 47m
Lufthansa
ons. 8/2610:50 am
LHR
-
FSD
2 stops18h 32m
Lufthansa
Deal found 6/2$928
This United Airlines deal was found by Cheapflights users on 6/1. 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.
ons. 8/123:08 pm
FSD
-
LHR
1 stop11h 22m
United Airlines
tor. 8/206:50 am
LHR
-
FSD
2 stops22h 32m
United Airlines
Deal found 6/1$936
This United Airlines deal was found by Cheapflights users on 6/1. 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.
tir. 8/113:08 pm
FSD
-
LHR
1 stop11h 52m
United Airlines
ons. 8/196:55 am
LHR
-
FSD
2 stops17h 01m
United Airlines
Deal found 6/1$937
This Cheapflightsfares deal was found by Cheapflights users on 6/1. 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.
tir. 8/116:41 pm
FSD
-
LHR
2 stops16h 59m
Lufthansa
ons. 8/196:55 am
LHR
-
FSD
2 stops19h 12m
Lufthansa
Deal found 6/1$938
This Orbitz deal was found by Cheapflights users on 6/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 8/1712:09 pm
FSD
-
LGW
2 stops16h 41m
Iberia
ons. 8/268:40 pm
LGW
-
FSD
2 stops33h 12m
Iberia
Deal found 6/1$939
This BusinessClass deal was found by Cheapflights users on 6/4. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 9/125:15 pm
FSD
-
LHR
1 stop34h 25m
Multiple Airlines
tir. 9/228:00 am
LHR
-
FSD
1 stop12h 33m
Multiple Airlines
Deal found 6/4$942
This KAYAK deal was found by Cheapflights users on 6/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 9/126:41 pm
FSD
-
LHR
1 stop30h 09m
British Airways
tir. 9/221:10 pm
LHR
-
FSD
1 stop17h 10m
British Airways
Deal found 6/2$948
This Delta deal was found by Cheapflights users on 6/4. 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.
man. 8/171:26 pm
FSD
-
LGW
2 stops14h 14m
Delta
ons. 8/2610:25 am
LGW
-
FSD
2 stops18h 26m
Delta
Deal found 6/4$949
This Expedia deal was found by Cheapflights users on 6/3. 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.
fre. 10/92:45 pm
FSD
-
LHR
1 stop15h 30m
Iberia
tor. 10/156:15 am
LHR
-
FSD
2 stops22h 02m
Iberia
Deal found 6/3$952
This Cheapflightsfares deal was found by Cheapflights users on 6/1. 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.
man. 8/176:38 pm
FSD
-
LCY
2 stops17h 17m
Lufthansa
ons. 8/269:15 am
LCY
-
FSD
2 stops16h 52m
Lufthansa
Deal found 6/1$968
This Delta deal was found by Cheapflights users on 6/1. 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.
tir. 8/111:26 pm
FSD
-
LGW
2 stops13h 59m
Delta
ons. 8/1910:25 am
LGW
-
FSD
2 stops18h 26m
Delta
Deal found 6/1$980

Find flight deals from Sioux Falls to London

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated juni 4, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$922
(Iberia)

Popular in

April

Cheapest in

September

Average price

$1,150
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 Sioux Falls Joe Foss Field to London (LON)
Highest demand for flights based on searches. 6% potential increase in price ($65 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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 juni 4, 2026.
Use the filters below to find and compare flights from Sioux Falls to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lør. 9/12

12:11 pm-10:50 am

1 stop16h 39m

London Heathrow

tir. 9/22

6:15 am-6:11 pm

2 stops17h 56m

$923

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

man. 8/17

1:26 pm-9:40 am

2 stops14h 14m

London Gatwick

ons. 8/26

10:25 am-10:51 pm

2 stops18h 26m

$949

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

tir. 8/11

12:57 pm-10:55 am

1 stop15h 58m

London Heathrow

ons. 8/19

1:10 pm-12:30 am

1 stop17h 20m

$965

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

tir. 8/11

1:26 pm-9:25 am

2 stops13h 59m

London Gatwick

ons. 8/19

10:25 am-10:51 pm

2 stops18h 26m

$980
Quickest round-trip

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

tir. 8/11

1:26 pm-8:50 am

2 stops13h 24m

London City

ons. 8/19

7:45 am-3:48 pm

2 stops14h 03m

$1,068

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lør. 7/25

6:28 pm-8:40 pm

2 stops20h 12m

London Heathrow

ons. 8/5

11:05 am-11:31 pm

1 stop18h 26m

$1,069

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

lør. 9/12

6:41 pm-5:55 pm

2 stops17h 14m

London City

tir. 9/22

9:15 am-8:07 pm

2 stops16h 52m

$1,074

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

fre. 9/4

1:26 pm-9:25 am

2 stops13h 59m

London Gatwick

lør. 9/12

10:25 am-10:09 pm

2 stops17h 44m

$1,085

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

tir. 7/14

9:30 am-6:45 am

2 stops15h 15m

London Heathrow

tir. 7/21

7:45 am-5:53 pm

2 stops16h 08m

$1,094

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

fre. 10/9

10:58 am-7:55 am

2 stops14h 57m

London City

tor. 10/15

8:25 am-10:51 pm

2 stops20h 26m

$1,155

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 26 resultsSorted by cheapest first
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Compare providers for flights from Sioux Falls to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to London in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sioux Falls-London flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Sioux Falls-London flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Sioux Falls-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux Falls-London flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to London

Have a flexible travel schedule? Discover the best time to fly to London from Sioux Falls 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 Sioux Falls to London

What is the cheapest month to book a flight from Sioux Falls to London?

Currently, July is the cheapest month in which you can book a flight from Sioux Falls to London (average of $511). Flying from Sioux Falls to London in June is currently the most expensive (average of $950). 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.

How much does it cost to fly round-trip from Sioux Falls to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated juni 4, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Sioux Falls to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Sioux Falls to London?

    For a flight from Sioux Falls to London, you will be flying from Joe Foss Field. Sioux Falls Joe Foss Field (FSD) is just 2.6 mi from the center of the city. Joe Foss Field is the only Sioux Falls airport and it handles 0 outbound flights to London per day. 2 airlines have flights to London from Sioux Falls Joe Foss Field on a regular basis.

  • How long is the flight from Sioux Falls to London?

    Iberia, Delta, and KLM can get you from Sioux Falls to London in just under 13h 24m. Your travel time can differ by up to 3h 15m. There are 4205 mi between Sioux Falls and London. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Sioux Falls to London round-trip?

    Our cheapest airline available from Sioux Falls to London is United Airlines. Our recent data shows that you can find tickets from as low as $654 on this airline. An additional option worth looking into is American Airlines, starting at $658. United Airlines is currently priced 30% below the average price you’ll pay for this route.

  • What are the most popular routes from Sioux Falls to London?

  • Can I find deals for flights from Sioux Falls to London that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to London.

  • Can I find deals for business class flights from Sioux Falls to London?

    Yes. Cheapflights offers flight deals from Sioux Falls 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 Sioux Falls to London?

    Currently, July is the cheapest month in which you can book a flight from Sioux Falls to London (average of $511). Flying from Sioux Falls to London in June is currently the most expensive (average of $950). 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
Southend-on-Sea
Wembley
Harrow
Eastleigh
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Alternative routes for Sioux Falls to London

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

Top 2 airlines flying from Sioux Falls to London

Discover the top 2 airlines that operate flights from Sioux Falls 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 juni 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$654Average$1,073FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$658Average$987FlexibilityNo cancel feeOn-time71%

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