Open interactive map →Cheap flights from Boston to Chicago
Fares on the Boston to Chicago route vary noticeably by season and demand. Right now the lowest available price is €69 with Biletix. The route offers both direct and connecting options depending on the date. Booking further in advance typically unlocks lower prices, especially around school holidays and peak travel months. The calendar below maps out the cheapest and most expensive months so you can plan before committing to dates.
For the best prices on this route, aim to book at least 3-4 weeks in advance. Tuesday and Wednesday departures from Boston tend to be cheaper than Friday or Sunday flights. If €69 is above your budget, try adjusting to a shoulder-season month using the calendar above - fares can drop significantly outside peak periods.
Cheapest month to fly
- July 2026€691 stopCheapest
About Chicago
Chicago is the great American city that the coasts overlook - a dense, architecturally extraordinary lakefront city with world-class museums, deep-dish pizza, and jazz and blues venues that trace the music's northern migration. O'Hare (ORD) and Midway (MDW) together give the city one of the world's widest airport choices.
Alternative routes
Other ways to reach Chicago
Frequently asked questions
How much does a flight from Boston to Chicago cost?
The cheapest fare currently available from Boston to Chicago is €69. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Boston to Chicago?
SkyHopp tracks both direct and connecting flights from Boston to Chicago. Connecting flights are often priced lower but add travel time due to the layover. Whether a non-stop option exists on specific dates depends on airline schedules - use the "Direct only" filter on the interactive map to see non-stop options, or check the booking site for a full breakdown by stop count.
When is the cheapest time to fly from Boston to Chicago?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Boston. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.
Which airlines fly from Boston to Chicago?
Biletix currently offers the lowest fare on this route at €69. Other carriers may also operate flights between Boston and Chicago, particularly on busier travel dates when more capacity is added. Airline pricing varies by date, seat class, and how far in advance you book. Click through to our partner booking site to compare all available airlines, departure times, and fare classes for your specific dates.