How long is the flight from Sioux Falls to London, Ontario?

For as low as $1,039, United Airlines can have you in London, Ontario from Sioux Falls in 10h 52m. Sioux Falls and London, Ontario are separated by a distance of 783 mi.

In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.

If weather is an important factor for your trip to London, Ontario, 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 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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

When flying from Sioux Falls to London, Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Sioux Falls-London, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-London, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-London, Ontario flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sioux Falls-London, Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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, Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$1,039+ Cheap Flights from Sioux Falls to London, ON

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Best flights from Sioux Falls to London
Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.

Mon 1/1110:00 am -

2 stops10h 52m

Thu 1/145:30 am -

2 stops10h 01m

Deal found 9/25

$1,039

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Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,039 (United Airlines)

Provider with most accurate pricing for Sioux Falls Joe Foss Field-London flight deals.

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Sioux FallsLondon

FSD Sioux Falls Joe Foss Field - YXU London

FSDYXU

Sioux Falls Joe Foss Field

Mon 1/11

10:00 am-9:52 pm

2 stops10h 52m

London

Thu 1/14

5:30 am-2:31 pm

2 stops10h 01m

$1,039

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Most accurate provider: When it comes to deals on Sioux Falls-London, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-London, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-London, Ontario flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sioux Falls-London, Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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, Ontario 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.

FSD-YXU

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Related info for your journey

How long is the flight from Sioux Falls to London, Ontario?
For as low as $1,039, United Airlines can have you in London, Ontario from Sioux Falls in 10h 52m. Sioux Falls and London, Ontario are separated by a distance of 783 mi.
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.

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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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to London

Best flights from Sioux Falls to London
Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.

Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.

Find flight deals from Sioux Falls to London

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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

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Related info for your journey

How long is the flight from Sioux Falls to London, Ontario?

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sioux Falls to London

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Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sioux Falls to London by cabin class

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$1,039+ Cheap flights from Sioux Falls (FSD) to London, ON (YXU)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to London

Best flights from Sioux Falls to LondonDiscover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.

Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.

Find flight deals from Sioux Falls to London

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Round-trip from

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.

Related info for your journey

How long is the flight from Sioux Falls to London, Ontario?

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?

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.

Alternative routes for Sioux Falls to London

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

Complete your trip

Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sioux Falls to London by cabin class

Find flights from Sioux Falls to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 26, 2026.

Sioux Falls and London flights

Browse other Sioux Falls and London flight options. Last updated on September 26, 2026.

Other flights from Sioux Falls

Browse through other flights departing from Sioux Falls. Flights are based on user searches made on Cheapflights and were last updated on September 26, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

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Best flights from Sioux Falls to London
Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.