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Cheap Flights from Boston to Chicago

Popular airlines from Boston to Chicago

You can choose from 2 airlines that fly from Boston to Chicago, including Delta Air Lines, American Airlines, American Airlines offers the lowest prices on this route.
Delta Air Lines logo Delta Air Lines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Boston to Chicago according to previous 12 months data from Trip.com.

Explore the cheapest flights from Boston to Chicago in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 63, and round-trip direct tickets start at S$ 108.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Boston to Chicago

The distance between Boston and Chicago is approximately 1,371.27km. It takes around 3 hours 7 minutes on average to fly from Boston to Chicago. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceS$ 63
Cheapest return ticket priceS$ 108
Off-season for travelOctober
Peak season for travelJuly
Flight distance1,371.27km
Average flight time3 hours 7 minutes
Popular airlineDelta Air Lines
Flight statistics for the Boston–Chicago route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Boston to Chicago.

What is the cheapest month for one-way flights from Boston to Chicago?

The average price of one-way flights from Boston to Chicago purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Boston to Chicago is March, with an average price of S$ 156, and the most expensive month is October, with an average price of up to S$ 247.

S$ 247
S$ 202
S$ 156
S$ 111
  • S$ 156
    Mar
  • S$ 207
    Apr
  • S$ 195
    May
  • S$ 206
    Jun
  • S$ 226
    Jul
  • S$ 156
    Aug
  • S$ 186
    Sep
  • S$ 247
    Oct
  • S$ 213
    Nov
  • S$ 161
    Dec
  • S$ 158
    Jan
  • S$ 196
    Feb

What is the cheapest day to fly from Boston to Chicago during Hari Raya Puasa?

Based on Trip.com's data over the past 3 days, these are the lowest one-way airfares from Boston to Chicago during Hari Raya Puasa.

During Hari Raya Puasa, flights from Boston to Chicago are cheapest on Mar 18, with the lowest fare of S$ 86.

S$ 357
S$ 222
S$ 86
0
  • S$ 97
    Mar 17
  • S$ 86
    Mar 18
  • S$ 86
    Mar 19
  • S$ 104
    Mar 20
  • S$ 123
    Mar 21
  • S$ 357
    Mar 22
  • S$ 112
    Mar 23

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Boston (BOS) to Chicago (CHI)?

    Based on Trip.com data, American Airlines offers one-way fares as low as S$ 63 on Cheapest nonstop routes (e.g. BOS to ORD on Wed, Apr 8), while Jetblue Airways offers Cheapest nonstop round-trips from S$ 108 departing on Wed, Apr 8 and returning on Mon, Apr 13.
  • At the moment, you can catch a direct flight from Boston to Chicago with the following airlines, including: American Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 7 minutes to fly from Boston (BOS) to Chicago (CHI).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Chicago is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 95 flight per week flying from Boston to Chicago. You can check the weekly schedule for popular airlines on this route below: American Airlines: -/M/T/W/T/F/- -- AA1174 (17:56)
  • To find best deals on flights from Boston to Chicago, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Apr 8, with one-way flights priced at just S$ 63.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Chicago travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Chicago is October, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Boston to Chicago on March 10, 2026 with Jetblue Airways, with prices starting at S$ 112.
  • You can land at any one of the following hubs in Chicago, with Logan International Airport to O'Hare International Airport (BOS-ORD) is by far the most common option on this route: O'Hare International Airport (ORD) Midway International Airport (MDW) Chicago Rockford International Airport (RFD).
  • The time difference between Chicago and Boston is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.