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

Flying on KLM is currently your cheapest option to London, with prices starting at £465. Additional return tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at £474 and £481, respectively. Users have found that KLM is 40% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

The most popular route from Sioux Falls to London is Sioux Falls Joe Foss Field - London Heathrow. You may also consider Sioux Falls Joe Foss Field - London City or Sioux Falls Joe Foss Field - London Gatwick.

What is the cheapest month to fly from Sioux Falls to London?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, March can be a great choice for travel to London. Flights to London from Sioux Falls in March are about £787 on average during March, but can be found for as low as £507.

What is the cheapest time of day to fly from FSD to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sioux Falls to London as you normally would.

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. 0 airlines have flights to London from Sioux Falls Joe Foss Field on a regular basis.

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 holiday 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.

£465+ Flights from Sioux Falls to London

Cheap flight deals from Sioux Falls to London

Round-trip from	£465
Popular in	January
Cheapest in	March
Average price	£729

KLM
7/10-17/10
2 total stops
36h 36m total
Sioux Falls to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£143 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£47 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 11 juillet 2025.

mar. 7/1010:58FSD - LHR

1 stop20h 12mKLM

ven. 17/1012:25LHR - FSD

1 stop16h 24mKLM

Deal found 10/7£465

ven. 8/811:12FSD - LGW

2 stops16h 48mDelta

ven. 15/812:00LGW - FSD

2 stops17h 44mDelta

Deal found 9/7£474

mar. 7/1011:19FSD - LHR

1 stop13h 01mUnited Airlines

ven. 17/1014:10LHR - FSD

1 stop14h 12mUnited Airlines

Deal found 9/7£481

ven. 8/815:16FSD - LHR

1 stop15h 54mDelta

ven. 15/809:55LHR - FSD

2 stops19h 49mDelta

Deal found 9/7£497

lun. 6/1018:10FSD - LCY

2 stops16h 15mLufthansa

mar. 14/1019:10LCY - FSD

2 stops31h 11mLufthansa

Deal found 9/7£685

sam. 23/811:20FSD - LCY

2 stops20h 25mMultiple Airlines

sam. 30/812:15LCY - FSD

2 stops35h 12mMultiple Airlines

Deal found 9/7£776

sam. 8/1118:23FSD - LHR

2 stops32h 22mMultiple Airlines

sam. 22/1106:00LHR - FSD

3 stops34h 56mMultiple Airlines

Deal found 9/7£870

ven. 11/720:06FSD - LGW

3 stops31h 54mMultiple Airlines

jeu. 17/708:55LGW - FSD

3 stops41h 54mMultiple Airlines

Deal found 10/7£904

dim. 30/1112:39FSD - LGW

2 stops15h 36mIberia

sam. 6/1219:35LGW - FSD

2 stops32h 34mIberia

Deal found 8/7£1,247

ven. 11/711:25FSD - LHR

1 stop14h 55mLufthansa

jeu. 17/706:55LHR - FSD

2 stops19h 25mLufthansa

Deal found 10/7£1,310

mer. 1/1012:19FSD - LHR

1 stop13h 01mIberia

mer. 8/1015:30LHR - FSD

1 stop13h 12mIberia

Deal found 9/7£1,539

ven. 8/813:01FSD - LCY

2 stops13h 49mDelta

ven. 15/810:00LCY - FSD

2 stops19h 44mDelta

Deal found 9/7£2,942

Best flights from Sioux Falls to London
Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 juillet 2025.

mar. 7/1010:58FSD - LHR

1 stop20h 12mKLM

ven. 17/1012:25LHR - FSD

1 stop16h 24mKLM

Deal found 10/7£465

ven. 8/811:12FSD - LGW

2 stops16h 48mDelta

ven. 15/812:00LGW - FSD

2 stops17h 44mDelta

Deal found 9/7£474

mar. 7/1011:19FSD - LHR

1 stop13h 01mUnited Airlines

ven. 17/1014:10LHR - FSD

1 stop14h 12mUnited Airlines

Deal found 9/7£481

lun. 6/1018:10FSD - LCY

2 stops16h 15mLufthansa

mar. 14/1019:10LCY - FSD

2 stops31h 11mLufthansa

Deal found 9/7£685

sam. 23/811:20FSD - LCY

2 stops20h 25mMultiple Airlines

sam. 30/812:15LCY - FSD

2 stops35h 12mMultiple Airlines

Deal found 9/7£776

ven. 8/815:16FSD - LHR

1 stop15h 54mDelta

ven. 15/809:55LHR - FSD

2 stops19h 49mDelta

Deal found 9/7£497

dim. 30/1112:39FSD - LGW

2 stops15h 36mIberia

sam. 6/1219:35LGW - FSD

2 stops32h 34mIberia

Deal found 8/7£1,247

sam. 8/1118:23FSD - LHR

2 stops32h 22mMultiple Airlines

sam. 22/1106:00LHR - FSD

3 stops34h 56mMultiple Airlines

Deal found 9/7£870

mer. 1/1012:19FSD - LHR

1 stop13h 01mIberia

mer. 8/1015:30LHR - FSD

1 stop13h 12mIberia

Deal found 9/7£1,539

sam. 23/818:11FSD - LGW

3 stops20h 59mMultiple Airlines

sam. 30/813:00LGW - FSD

3 stops34h 27mMultiple Airlines

Deal found 9/7£2,010

ven. 8/813:01FSD - LCY

2 stops13h 49mDelta

ven. 15/810:00LCY - FSD

2 stops19h 44mDelta

Deal found 9/7£2,942

Last-minute flights from Sioux Falls to London
Discover last-minute flight deals from Sioux Falls to London. Data last updated 11 juillet 2025 and is based on user searches.

ven. 11/720:06FSD - LGW

3 stops31h 54mMultiple Airlines

jeu. 17/708:55LGW - FSD

3 stops41h 54mMultiple Airlines

Deal found 10/7£904

ven. 11/711:25FSD - LHR

1 stop14h 55mLufthansa

jeu. 17/706:55LHR - FSD

2 stops19h 25mLufthansa

Deal found 10/7£1,310

ven. 8/811:12FSD - LGW

2 stops16h 48mDelta

ven. 15/812:00LGW - FSD

2 stops17h 44mDelta

Deal found 9/7£474

ven. 8/815:16FSD - LHR

1 stop15h 54mDelta

ven. 15/809:55LHR - FSD

2 stops19h 49mDelta

Deal found 9/7£497

ven. 8/815:16FSD - LHR

1 stop15h 54mKLM

ven. 15/813:05LHR - FSD

1 stop16h 01mKLM

Deal found 9/7£502

ven. 8/813:01FSD - LCY

2 stops13h 49mDelta

ven. 15/810:00LCY - FSD

2 stops19h 44mDelta

Deal found 9/7£2,942

sam. 23/811:20FSD - LHR

2 stops16h 40mUnited Airlines

sam. 30/814:05LHR - FSD

2 stops26h 40mUnited Airlines

Deal found 9/7£537

sam. 23/811:20FSD - LCY

2 stops20h 25mMultiple Airlines

sam. 30/812:15LCY - FSD

2 stops35h 12mMultiple Airlines

Deal found 9/7£776

Cheapflights Fare Finder

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

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 7/10

10:58-13:10

1 stop20h 12m

London Heathrow

ven. 17/10

12:25-22:49

1 stop16h 24m

£465

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

ven. 8/8

11:12-10:00

2 stops16h 48m

London Gatwick

ven. 15/8

12:00-23:44

2 stops17h 44m

£474

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mar. 7/10

11:19-06:20

1 stop13h 01m

London Heathrow

ven. 17/10

14:10-22:22

1 stop14h 12m

£481

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

ven. 8/8

15:16-13:10

1 stop15h 54m

London Heathrow

ven. 15/8

09:55-23:44

2 stops19h 49m

£497

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

lun. 6/10

18:10-16:25

2 stops16h 15m

London City

mar. 14/10

19:10-20:21

2 stops31h 11m

£685

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

sam. 23/8

11:20-13:45

2 stops20h 25m

London City

sam. 30/8

12:15-17:27

2 stops35h 12m

£776

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

sam. 8/11

18:23-08:45

2 stops32h 22m

London Heathrow

sam. 22/11

06:00-10:56

3 stops34h 56m

£870

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

dim. 30/11

12:39-10:15

2 stops15h 36m

London Gatwick

sam. 6/12

19:35-22:09

2 stops32h 34m

£1,247

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

mer. 1/10

12:19-07:20

1 stop13h 01m

London Heathrow

mer. 8/10

15:30-22:42

1 stop13h 12m

£1,539

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

sam. 23/8

18:11-21:10

3 stops20h 59m

London Gatwick

sam. 30/8

13:00-17:27

3 stops34h 27m

£2,010

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 11 results

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 return 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, January is the cheapest month in which you can book a flight from Sioux Falls to London (average of £112). Flying from Sioux Falls to London in August is currently the most expensive (average of £164). 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 for a return flight from Sioux Falls to London?

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Sioux Falls to London, such as Delta, KLM, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,951 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,372 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,848 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Iberia

7.0

Good

2,828 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Lufthansa

6.8

Okay

7,199 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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. 0 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?
Flying on KLM is currently your cheapest option to London, with prices starting at £465. Additional return tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at £474 and £481, respectively. Users have found that KLM is 40% cheaper than the other options available to this destination.
What are the most popular routes from Sioux Falls to London?
The most popular route from Sioux Falls to London is Sioux Falls Joe Foss Field - London Heathrow. You may also consider Sioux Falls Joe Foss Field - London City or Sioux Falls Joe Foss Field - London Gatwick.
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 holiday 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, January is the cheapest month in which you can book a flight from Sioux Falls to London (average of £112). Flying from Sioux Falls to London in August is currently the most expensive (average of £164). 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

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Watford

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How does Cheapflights help users find flights from Sioux Falls to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Sioux Falls today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sioux Falls to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sioux Falls to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sioux Falls to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sioux Falls to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sioux Falls to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Sioux Falls today and book when prices fit your budget.

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Cheap flights from Sioux Falls to London from £465

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sioux Falls to London

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Sioux Falls to London

Cheapest flights from Sioux Falls to LondonExplore 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 11 juillet 2025.

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 11 juillet 2025.

Cheapflights Fare Finder

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

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.

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?

How much does it cost for a return flight from Sioux Falls to London?

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Sioux Falls to London, such as Delta, KLM, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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?

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

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

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

Travelling to a place near Sioux Falls?

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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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sioux Falls to London?

Why should you use Cheapflights to find cheap flight tickets from Sioux Falls to London?

Can Cheapflights find flights from Sioux Falls to London with no change fees?

Can Cheapflights notify me if prices for flights from Sioux Falls to London become cheaper?

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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 11 juillet 2025.