Cheap flights from Chicago-O'Hare to Toronto
Cheap return flights from Chicago-O'Hare to Toronto
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Toronto flight facts
What you need to know
What are the cheapest airlines?
- Spirit Airlines
- Frontier Airlines
- Air Canada
These airlines usually offer the cheapest flights from Chicago-O'Hare to Toronto.
What airlines fly indirectly?
- American Airlines
- Delta Air Lines
- United Airlines
These airlines fly from Chicago-O'Hare to Toronto, but you’ll have at least one layover.
How long is the flight?
1 hour 30 minutes
This is the shortest flight time from Chicago-O'Hare to Toronto.
Alternative flights from the UK to Toronto
Check out prices for other routes
Alternative flights from Chicago-O'Hare
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Chicago-O'Hare/Toronto route. There are around 35 flights on any given week from the UK to Toronto and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Chicago-O'Hare to Toronto
Tips and advice from our flight experts
You've searched for flights from Chicago to Toronto. We've found 25 flights and compared them to give you the best offer. Spirit Airlines is the average cheapest airline for this route, so look out for them. The cheapest offer we've found is a one way ticket for Chicago to Toronto on 16/02/2026 at 07:40 for £85.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 800 km flight from Chicago to Toronto.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Spirit Airlines is a popular choice for this route, with an average flight duration of 1 hour 30 minutes. After selecting an offer, fill out your information, proceed to payment, and consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Toronto
Where other people are flying to
