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Find Frontier Airlines(F9) flights from Chicago to Boston

Flight INFO & Frontier Airlines(F9) flights from Chicago to Boston

Cheapest one-way flight price US$84
Cheapest return ticket price US$163
Cheapest month September
Peak season for travel January
Flight distance 1,371.27 km
Average flight time 2 hours 30 minutes
Popular airline American Airlines
Frequency ～212/week

Book Frontier Airlines(F9) flights from Chicago to Boston

  • One way
  • Round-trip
      • ORD20:11
        13h 51m
        1 stops
        BOS11:02
        Chicago - Boston|Sat, Oct 17|Frontier Airlines
        US$151
        US$306
        51% off
        Search
        51% off
        US$306
        US$151
      • ORD18:58
        15h 4m
        1 stops
        BOS11:02
        Chicago - Boston|Fri, Oct 16|Frontier Airlines
        US$154
        US$306
        50% off
        Search
        50% off
        US$306
        US$154
      • ORD18:58
        15h 4m
        1 stops
        BOS11:02
        Chicago - Boston|Mon, Oct 26|Frontier Airlines
        US$157
        US$306
        49% off
        Search
        49% off
        US$306
        US$157
      • ORD08:46
        25h 16m
        1 stops
        BOS11:02
        Chicago - Boston|Thu, Oct 15|Frontier Airlines
        US$187
        Search
        US$187
      • ORD08:46
        25h 16m
        1 stops
        BOS11:02
        Chicago - Boston|Sun, Oct 25|Frontier Airlines
        US$188
        Search
        US$188
      • ORD20:11
        13h 51m
        1 stops
        BOS11:02
        Chicago - Boston|Sat, Oct 24|Frontier Airlines
        US$192
        Search
        US$192
      • ORD18:58
        15h 4m
        1 stops
        BOS11:02
        Chicago - Boston|Mon, Oct 19|Frontier Airlines
        US$223
        Search
        US$223
      • CHI13:00
        15h 4m
        Nonstop
        BOS14:00
        Chicago - Boston|Mon, Sep 6|Normal Airline
        More cheap flights
        More cheap flights

Frontier Airlines(F9) flights from Chicago to Boston & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule

  1. F92292

    Frontier Airlines

    06:21

    MDW

    2.2h

    Nonstop

    09:35

    ATL

    S M T W T F S
    Search

  2. F93512

    Frontier Airlines

    09:10

    ATL

    2.8h

    Nonstop

    11:57

    BOS

    S M T W T F S
    Search

  3. F92198

    Frontier Airlines

    19:35

    ORD

    2.3h

    Nonstop

    22:51

    ATL

    S M T W T F S
    Search

  4. F93512

    Frontier Airlines

    09:10

    ATL

    2.8h

    Nonstop

    11:57

    BOS

    S M T W T F S
    Search

  5. F92144

    Frontier Airlines

    18:46

    MDW

    2.1h

    Nonstop

    21:55

    ATL

    - - - W - - S
    Search

  6. F93512

    Frontier Airlines

    09:10

    ATL

    2.8h

    Nonstop

    11:57

    BOS

    S M T W T F S
    Search

  7. F93044

    Frontier Airlines

    20:11

    ORD

    3.0h

    Nonstop

    00:08

    MCO

    S - - W T - S
    Search

  8. F93348

    Frontier Airlines

    07:45

    MCO

    3.3h

    Nonstop

    11:02

    BOS

    S - - W T - S
    Search

  9. F93044

    Frontier Airlines

    20:11

    ORD

    3.0h

    Nonstop

    00:08

    MCO

    S - - W T - S
    Search

  10. F91978

    Frontier Airlines

    07:45

    MCO

    3.3h

    Nonstop

    11:02

    BOS

    - - - - - F -
    Search

  11. F92792

    Frontier Airlines

    08:26

    ORD

    2.6h

    Nonstop

    12:05

    MCO

    S M T W T F S
    Search

  12. F93348

    Frontier Airlines

    07:45

    MCO

    3.3h

    Nonstop

    11:02

    BOS

    S - - W T - S
    Search

Frontier Airlines(F9) flights from Chicago to Boston Flight Booking FAQ

  • Which airlines offer direct flights from Chicago to Boston?

    At the moment, you can catch a nonstop flight from Chicago to Boston with the following airlines, including: American Airlines Delta Air Lines United Airlines Jetblue Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

  • How long is a flight from Chicago to Boston?

    It takes about 2 hours 30 minutes to fly from Chicago to Boston.

  • When is the best time to book flights from Chicago to Boston?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Boston 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.

  • How many flights are there per week from Chicago to Boston?

    Based on Trip.com data in the past 4 weeks, there is 102 flight per week flying from Chicago to Boston. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA802 (08:41) United Airlines: S/M/T/W/T/F/S -- UA1186 (06:31)

  • When are flight tickets from Chicago (CHI) to Boston (BOS) the cheapest?

    The cheapest months to fly from Chicago to Boston is September, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from Chicago to Boston on?

    After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Chicago to Boston on October 24, 2026 with Delta Air Lines, with prices starting at US$84.

  • Which airports fly into Boston from Chicago?

    You can land at any one of the following hubs in Boston: Hartford Barnes Airport (BNH), Boston Logan International Airport (BOS), and Portsmouth International Airport (PSM). Flying from O'Hare International Airport to Boston Logan International Airport (ORD-BOS) is by far the most common option on this route.

  • Is there any time difference between Chicago and Boston?

    The time difference between Boston and Chicago is 1h.

  • How do I change or cancel my ticket from Chicago to Boston?

    Tickets can only be changed or canceled 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.