Route Price Intelligence
Cheap Flights From Washington, D.C. to Chicago
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Fly BWI to Chicago for just $117 round trip on Frontier, down from the usual $299, a 61% discount and one of the steepest cuts we've seen on this route. It's a nonstop hop that works well for a fall food-and-museums weekend, with deep-dish pizza and lakefront views on the other end. Fares on this route rarely dip this low, making it worth a look while it lasts.
✓ 8 date combinations found at this price
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Best Time to Fly from Washington, D.C. to Chicago
The cheapest time to fly from Washington, D.C. to Chicago is typically May, when fares average around $185. The most expensive month tends to be January at around $309. For the best deals, consider flying in May, June, July.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route