Cheap flights from Illinois to British Columbia from $135

If you aren’t able to travel during the month of October, then book flights to British Columbia from Illinois during September instead. Flights to British Columbia in September, while not as cheap as those in October, still average around $69.

The cheapest day to depart on your flight to British Columbia is on a Thursday when prices can be found for as low as $631. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to British Columbia on Tuesday is $810.

Flying to British Columbia from Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $572 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to British Columbia, so prices are often more expensive at around $916 per ticket.

Fly from Chicago O'Hare Intl to Vancouver Intl for the best Illinois - British Columbia flight prices

You are more likely to see cheaper flights to British Columbia from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to British Columbia for around $460 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to British Columbia from Illinois for as low as $359 on momondo.

There are 4 cabin classes available to choose from on Illinois to British Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Delta, and WestJet are the most popular carriers operating from Illinois to British Columbia

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to British Columbia from Illinois according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to British Columbia. Keep in mind that there are 7 different airlines that fly to British Columbia on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 21 flights per day flying from Illinois to British Columbia. The most common time of day flights depart is 7:00PM, with 56% of flights taking off in the evening.

As of June 2026, there are 148 flights per week flying from Illinois to British Columbia. The most common day of the week flights depart is Wed, with 18% of flights taking off on this day.