In terms of precipitation, rainfall in Sudbury, Ontario ranges from 2.0 - 4.0 inches per month. September is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Sudbury, Ontario when rainfall is around 2.0 in.

If weather is an important factor for your trip to Sudbury, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.8 F).

What is the cheapest time of day to fly from KE9 to YSB?

When flying from Key Largo to Sudbury, 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 Sudbury from Key Largo?

Located just 13.0 mi from the city center, Sudbury is the airport most travelers will use when flying to Sudbury from Key Largo. Booking flights from Key Largo to Sudbury (YSB) should be relatively easy as there are 0 daily inbound flights from Key Largo from 0 different airlines.

Can I find deals for flights from Key Largo to Sudbury that include hotel bookings?

Yes. In addition to deals on Key Largo to Sudbury flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Key Largo to Sudbury?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Sudbury.

Can I find deals for business class flights from Key Largo to Sudbury?

Yes. Cheapflights offers flight deals from Key Largo to Sudbury by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$317+ Cheap Flights from Key Largo to Sudbury, ON

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Cheap flight deals from Key Largo to Sudbury

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Cheapest flights from Key Largo to Sudbury
Explore the most affordable flight options available from Key Largo to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

Thu 11/512:35 pm

MIA

YSB

1 stop6h 44m

Air Canada

Sun 11/89:45 am

YSB

MIA

1 stop5h 51m

Air Canada

Deal found 2/3

$583

Wed 11/412:35 pm

MIA

YSB

1 stop6h 44m

Air Canada

Sun 11/89:45 am

YSB

MIA

1 stop5h 51m

Air Canada

Deal found 2/1

$584

Find flight deals from Key Largo to Sudbury

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MiamiSudbury

MIA - YSB

MIAYSB

Miami

Fri 3/20

7:25 am-3:19 pm

1 stop7h 54m

$317

MiamiSudbury

MIA - YSB

MIAYSB

Miami

Fri 3/20

11:38 am-12:35 pm

2 stops48h 57m

$348

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Deals found on 2/3

Best time to book a flight from Key Largo to Sudbury

Have a flexible travel schedule? Discover the best time to fly to Sudbury from Key Largo with our price prediction graph.

MIA-YSB

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Everything you need to know about your flight from Key Largo to Sudbury

KE9-YSB

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Related info for your journey

What airport do you fly into for flights to Sudbury from Key Largo?
Located just 13.0 mi from the city center, Sudbury is the airport most travelers will use when flying to Sudbury from Key Largo. Booking flights from Key Largo to Sudbury (YSB) should be relatively easy as there are 0 daily inbound flights from Key Largo from 0 different airlines.
Can I find deals for flights from Key Largo to Sudbury that include hotel bookings?
Yes. In addition to deals on Key Largo to Sudbury flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Key Largo to Sudbury?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Sudbury.
Can I find deals for business class flights from Key Largo to Sudbury?
Yes. Cheapflights offers flight deals from Key Largo to Sudbury 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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$317+ Cheap flights from Key Largo, FL to Sudbury, ON (YSB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Key Largo to Sudbury

Cheapest flights from Key Largo to SudburyExplore the most affordable flight options available from Key Largo to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

Explore the most affordable flight options available from Key Largo to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

One-way flights from Key Largo to SudburySearch for one-way flight options from Key Largo to Sudbury. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.

Search for one-way flight options from Key Largo to Sudbury. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.

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Best time to book a flight from Key Largo to Sudbury

Have a flexible travel schedule? Discover the best time to fly to Sudbury from Key Largo with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to Sudbury

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Sudbury. 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 Sudbury from Key Largo?

Can I find deals for flights from Key Largo to Sudbury that include hotel bookings?

How can I find direct flights from Key Largo to Sudbury?

Can I find deals for business class flights from Key Largo to Sudbury?

Browse thousands of different options on Cheapflights for your next trip

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

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Cheapest flights from Key Largo to Sudbury
Explore the most affordable flight options available from Key Largo to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

One-way flights from Key Largo to Sudbury
Search for one-way flight options from Key Largo to Sudbury. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.