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$710+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap 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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$710
(KLM)

Popular in

January

Cheapest in

March

Average price

$996
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 Sioux Falls Joe Foss Field to London (LON)
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Highest demand for flights based on searches. 20% potential increase in price ($270 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($84 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 abril 17, 2025.

This KLM deal was found by Cheapflights users on 4/16. 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.
mar. 10/710:58 amFSD - LHR
1 stop20h 12mKLM
vie. 10/1712:25 pmLHR - FSD
1 stop16h 24mKLM
Deal found 4/16$710
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/71:20 pmFSD - LHR
2 stops18h 10mDelta
vie. 10/171:05 pmLHR - FSD
1 stop15h 06mDelta
Deal found 4/16$714
This United Airlines deal was found by Cheapflights users on 4/17. 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.
mar. 10/711:19 amFSD - LHR
1 stop15h 01mUnited Airlines
vie. 10/172:05 pmLHR - FSD
2 stops26h 33mUnited Airlines
Deal found 4/17$763
This American Airlines deal was found by Cheapflights users on 4/17. 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.
mar. 10/72:26 pmFSD - LHR
1 stop12h 39mAmerican Airlines
vie. 10/171:10 pmLHR - FSD
1 stop15h 03mAmerican Airlines
Deal found 4/17$785
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/2610:56 amFSD - LGW
2 stops17h 04mDelta
jue. 6/1212:00 pmLGW - FSD
2 stops17h 44mDelta
Deal found 4/16$964
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/186:30 pmFSD - LHR
2 stops16h 35mLufthansa
lun. 4/217:10 pmLHR - FSD
2 stops33h 02mLufthansa
Deal found 4/16$1,128
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/266:35 pmFSD - LCY
2 stops18h 00mLufthansa
jue. 6/125:00 pmLCY - FSD
2 stops34h 52mLufthansa
Deal found 4/16$1,417
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/2112:56 pmFSD - LCY
2 stops18h 19mDelta
sáb. 7/59:20 amLCY - FSD
2 stops20h 24mDelta
Deal found 4/16$3,520

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 abril 17, 2025.
Use the filters below to find and compare flights from Sioux Falls to London that are best for you.

Fly from

Sioux Falls

Fly to

London

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 10/7

10:58 am-1:10 pm

1 stop20h 12m

London Heathrow

vie. 10/17

12:25 pm-10:49 pm

1 stop16h 24m

$710

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 10/7

1:20 pm-1:30 pm

2 stops18h 10m

London Heathrow

vie. 10/17

1:05 pm-10:11 pm

1 stop15h 06m

$714

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 10/7

11:19 am-8:20 am

1 stop15h 01m

London Heathrow

vie. 10/17

2:05 pm-10:38 am

2 stops26h 33m

$763

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 10/7

2:26 pm-9:05 am

1 stop12h 39m

London Heathrow

vie. 10/17

1:10 pm-10:13 pm

1 stop15h 03m

$785

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

lun. 5/26

10:56 am-10:00 am

2 stops17h 04m

London Gatwick

jue. 6/12

12:00 pm-11:44 pm

2 stops17h 44m

$964

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

sáb. 6/7

11:20 am-6:20 am

1 stop13h 00m

London Heathrow

vie. 6/13

7:10 pm-9:08 pm

2 stops31h 58m

$1,329

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

lun. 5/26

6:35 pm-6:35 pm

2 stops18h 00m

London City

jue. 6/12

5:00 pm-9:52 pm

2 stops34h 52m

$1,417

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

sáb. 6/21

12:56 pm-1:15 pm

2 stops18h 19m

London City

sáb. 7/5

9:20 am-11:44 pm

2 stops20h 24m

$3,520

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lun. 6/9

7:23 am-7:50 am

2 stops18h 27m

$825

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

lun. 6/9

10:55 am-1:10 pm

1 stop20h 15m

$828

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 13 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Sioux Falls-London flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 time of day to fly from FSD to LON?

Find hourly flight availability from Sioux Falls 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 abril 17, 2025.

One of the essential ways to save on airfare from Sioux Falls to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 19% on airfare.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 abril 17, 2025.
Read reviews from past customers who have flown Delta, KLM and United Airlines from Sioux Falls to London. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,676 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Our cheapest airline available from Sioux Falls to London is KLM. Our recent data shows that you can find tickets from as low as $710 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $714 and $763 round-trip. KLM is currently priced 34% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Sioux Falls to London one-way?

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as $825. Users have also found prices from $828 and $828 on KLM and Delta, respectively.

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

    Most travelers choose Sioux Falls Joe Foss Field - London Heathrow, Sioux Falls Joe Foss Field - London City or Sioux Falls Joe Foss Field - London Gatwick when deciding on the best route 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, November is the cheapest month in which you can book a flight from Sioux Falls to London (average of $661). Flying from Sioux Falls to London in June is currently the most expensive (average of $1,110). 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 Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Wembley
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Milton Keynes
Chelmsford
Sutton

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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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$684Average$816FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$709Average$1,216FlexibilityNo cancel feeOn-time69%

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