Flight Deals from Chicago O Hare Airport to Vancouver from $163

Prices for flights from Chicago to Vancouver peak in late summer and holiday seasons; lowest fares are found in early October and January.

When planning your travel from Chicago to Vancouver, you’ll find the prices vary significantly throughout the year. The peak prices generally occur in late summer, particularly around mid-August, when costs can soar above $750. The holiday season also sees higher prices, especially in mid-December. Conversely, the best time to find lower fares is in early October, when prices can dip to around $278, and early January through late March also offers lower rates. The high season typically ranges from late June to late August, while the low season runs from early October to mid-March.

Book your flight from Chicago to Vancouver 40 days in advance for the best prices; waiting too long leads to higher costs.

When planning your trip from Chicago to Vancouver, the best time to buy is approximately 40 days before departure, as prices are at their lowest around that time. Initially, you may encounter prices as high as $689 if you book too early. After the 40-day mark, prices generally trend upwards, with last-minute tickets potentially costing $874 or more, reflecting a significant mark-up. For optimal peace of mind, consider booking within the 97 to 101 days range for similar prices and better seat selection. Be vigilant, as prices within 14 days before departure can rise sharply, and waiting until the last minute could result in paying over twice the price compared to booking in advance.