What is the cheapest month to book a flight from South Dakota to London, Ontario?

Currently, October is the cheapest month in which you can book a flight from South Dakota to London, Ontario (average of C$ 243). Flying from South Dakota to London, Ontario in December is currently the most expensive (average of C$ 478). 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.

In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 mm.

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 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

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

When flying from South Dakota 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.

What airport do you fly into for flights to London from South Dakota?

Located just 8.6 km from the city centre, London (YXU) is the airport most travelers will use when flying to London from South Dakota.

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.

C$ 1,128+ Flights from South Dakota to London, ON

Cheap flight deals from South Dakota to London

Round-trip from	C$ 1,128

United Airlines
15/9-22/9
4 total stops
50h 56m total
South Dakota to London

Search Deals

Find 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 2 August 2025.

Mon 15/99:16 a.m.FSD - YXU

2 stops29h 01mUnited Airlines

Mon 22/93:50 p.m.YXU - FSD

2 stops21h 55mUnited Airlines

Deal found 1/8C$ 1,128

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsLondon

FSD - YXU

FSDYXU

Sioux Falls Joe Foss Field

Mon 15/9

9:16 a.m.-3:17 p.m.

2 stops29h 01m

London

Mon 22/9

3:50 p.m.-12:45 p.m.

2 stops21h 55m

C$ 1,128

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing London

Check out reviews from past customers who have flown with United Airlines from South Dakota to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,904 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,904 reviews

United Airlines

7.4

Good

8,904 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What airport do you fly into for flights to London from South Dakota?
Located just 8.6 km from the city centre, London (YXU) is the airport most travelers will use when flying to London from South Dakota.
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, Ontario?
Currently, October is the cheapest month in which you can book a flight from South Dakota to London, Ontario (average of C$ 243). Flying from South Dakota to London, Ontario in December is currently the most expensive (average of C$ 478). 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.

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Cheapflights helps you search for flights from South Dakota to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from South Dakota to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from South Dakota to London.

Can Cheapflights find flights from South Dakota to London with no change fees?

Certainly. Search results for flights to London from South Dakota shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from South Dakota to London become cheaper?

Of course! You can now track prices for flights from South Dakota to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from South Dakota to London, ON from C$ 1,128

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 2 August 2025.

Round-trip from

Find flight deals from South Dakota to London

Cheapest flights from South Dakota to LondonExplore 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 2 August 2025.

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 2 August 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from South Dakota 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 2 August 2025.

Check out reviews from past customers who have flown with United Airlines from South Dakota to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What airport do you fly into for flights to London from South Dakota?

Can I find deals for flights from South Dakota to London that include hotel bookings?

How can I find direct flights from South Dakota to London?

Can I find deals for business class flights from South Dakota to London?

What is the cheapest month to book a flight from South Dakota to London, Ontario?

Travelling to a place near London?

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Alternative routes for South Dakota to London

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

How does Cheapflights help users find flights from South Dakota to London?

Why should you use Cheapflights to find cheap flight tickets from South Dakota to London?

Can Cheapflights find flights from South Dakota to London with no change fees?

Can Cheapflights notify me if prices for flights from South Dakota to London become cheaper?

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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 2 August 2025.