We've gone through lots of different flights, to help you find the cheapest way to get from Chicago O'hare International Airport to Baltimore. You can choose from zero airlines.
But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
The distance between Chicago O'hare International Airport to Baltimore is 998 km. You can see the various flight times in the results.
You can also search by month, which will reveal the cheapest time of the week to fly.
