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Chicago to Boston is a 1,391 km route with a +1 hour timezone difference. Most flights have 1 stop. The shortest flight time we've seen is 5h 54m, with an average of 5h 57m.
The cheapest economy flight we're currently tracking is $176. Over the last 30 days, prices have risen 22.5% (recent average: $254).
Airlines operating Chicago to Boston include Frontier. We're tracking trips ranging from 7 to 30 days.
We'll notify you when fares on ORD→BOS drop.