Atlanta to Chicago
ATL to ORD
As of 2026-11-11
Cheap Flights from Boston (BOS) to Chicago (ORD)
- About 864 miles
- About 2.2 hours
- Best months: May, Jun, Oct
From Boston (BOS) to Chicago (ORD), it is 864 miles and around 2.2 hours of flying. Recent fares from $253 give you room in the budget for The Art Institute.
Tips for finding a lower fare
- Start searching 6 to 10 weeks before departure for the best mix of price and choice.
- Flexible dates matter most. Shift your trip by a day or two and compare the results.
- Check what each carrier includes on BOS to ORD so a cheap fare does not turn into an expensive one.
Airlines on this route
United, American, JetBlue
Things to see in Chicago
- The Art Institute
- Chicago Riverwalk
Frequently asked questions
When is the cheapest time to fly from Boston to Chicago?
Fares on BOS to ORD are often lower in May, Jun and Oct. Prices move with demand, so compare a few dates on the partner site before you decide.
How long is the flight from BOS to ORD?
A nonstop flight takes about 2.2 hours. Itineraries with a connection take longer, depending on the layover.
Which airlines fly from Boston to Chicago?
Carriers we commonly see on this route include United, American and JetBlue. Schedules and availability change, so check current options when you search.
How far ahead should I book BOS to ORD?
For most domestic trips, booking about 1 to 3 months ahead gives a good balance of price and choice. Holiday travel is better booked earlier.
Is the price I see here the final price?
No. Fares shown on this page are indicative and change often. The final price, taxes and fees are shown on the partner site at booking.
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Tell us about your trip and a travel agent will call or text you with options. This is a request, not a booking, and fares are not guaranteed.
