Cheap flights from Illinois to British Columbia from C$ 188

In general, October is the cheapest month to fly from Illinois to British Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 371. If you aren’t able to travel to British Columbia during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 464.

The cheapest day to depart from Illinois to British Columbia is on a Thursday. Travellers who choose to depart for British Columbia on a Thursday will often find tickets for as low as C$ 333. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to British Columbia for around C$ 869.

Our most recent data shows that the best time of day to fly to British Columbia is in the morning. Flights from Illinois to British Columbia during this time can be as low as C$ 266. Flights at noon are often more expensive with an average ticket price of C$ 831.

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 C$ 676 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 C$ 569 on momondo.

There are 2 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.

As of August 2026, there are 21 flights per day flying from Illinois to British Columbia. The most common time of day flights depart is 8:00p.m., with 55% of flights taking off in the evening.

As of August 2026, there are 147 flights per week flying from Illinois to British Columbia. The most common day of the week flights depart is Sat, with 20% of flights taking off on this day.