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Flights from Boston to Champaign

Search cheap flights from Boston to Champaign in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$490, and round-trip tickets start at US$359.

      • BOS 06:00
        7h 50m
        1 stop
        CMI 12:50
        Boston - Champaign | Sat, Jun 13 | United Airlines
        CMI 13:32
        4h 58m
        1 stop
        BOS 19:30
        Champaign - Boston | Wed, Jun 17 | United Airlines
        US$359 US$757
        53% off
        53% off
        US$757 US$359
      • BOS 12:01
        7h 11m
        1 stop
        CMI 18:12
        Boston - Champaign | Sat, Jun 13 | American Airlines
        CMI 18:43
        4h 45m
        1 stop
        BOS 00:28
        Champaign - Boston | Wed, Jun 17 | American Airlines
        US$426 US$757
        44% off
        44% off
        US$757 US$426
      • BOS 05:00
        7h 3m
        1 stop
        CMI 11:03
        Boston - Champaign | Wed, Jul 1 | American Airlines
        CMI 06:04
        7h 9m
        1 stop
        BOS 14:13
        Champaign - Boston | Tue, Jul 7 | American Airlines
        US$453 US$757
        40% off
        40% off
        US$757 US$453
      • BOS 05:10
        6h 57m
        1 stop
        CMI 11:07
        Boston - Champaign | Wed, Jul 15 | American Airlines
        CMI 06:04
        5h 3m
        1 stop
        BOS 12:07
        Champaign - Boston | Wed, Jul 22 | American Airlines
        US$461
        39% off
        US$757 US$461
      • BOS 05:10
        6h 57m
        1 stop
        CMI 11:07
        Boston - Champaign | Sat, Jul 4 | American Airlines
        CMI 11:37
        7h 16m
        1 stop
        BOS 19:53
        Champaign - Boston | Fri, Jul 10 | American Airlines
        US$476
        37% off
        US$757 US$476
      • BOS 05:00
        7h 3m
        1 stop
        CMI 11:03
        Boston - Champaign | Thu, Jun 11 | American Airlines
        CMI 18:43
        4h 45m
        1 stop
        BOS 00:28
        Champaign - Boston | Wed, Jun 17 | American Airlines
        US$479
        37% off
        US$757 US$479
      • BOS 07:00
        5h 3m
        1 stop
        CMI 11:03
        Boston - Champaign | Thu, Jun 18 | American Airlines
        CMI 18:43
        4h 45m
        1 stop
        BOS 00:28
        Champaign - Boston | Wed, Jun 24 | American Airlines
        US$482
        36% off
        US$757 US$482
      • BOS 13:54
        8h 9m
        1 stop
        CMI 21:03
        Boston - Champaign | Thu, Jul 2 | American Airlines
        CMI 06:04
        5h 3m
        1 stop
        BOS 12:07
        Champaign - Boston | Wed, Jul 8 | American Airlines
        US$580
        23% off
        US$757 US$580
      • BOS 05:00
        14h 12m
        1 stop
        CMI 18:12
        Boston - Champaign | Mon, Jun 22 | American Airlines
        CMI 18:43
        13h 47m
        1 stop
        BOS 09:30
        Champaign - Boston | Sun, Jun 28 | American Airlines
        US$689
        9% off
        US$757 US$689
      • BOS 05:00
        14h 12m
        1 stop
        CMI 18:12
        Boston - Champaign | Sun, Jun 21 | American Airlines
        CMI 11:35
        11h 53m
        1 stop
        BOS 00:28
        Champaign - Boston | Sat, Jun 27 | American Airlines
        US$711
        6% off
        US$757 US$711
      • BOS 13:00
        17h 25m
        1 stop
        CMI 14:00
        Boston - Champaign | Wed, Jun 10 | Normal Airline
        CMI 15:00
        6h
        Nonstop
        BOS 16:00
        Champaign - Boston | Fri, Jun 12 | Normal Airline
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      • BOS 13:56
        8h 12m
        1 stop
        CMI 21:08
        Boston - Champaign | Tue, Jun 9 | American Airlines
        US$490 US$637
        23% off
        23% off
        US$637 US$490
      • BOS 12:01
        7h 11m
        1 stop
        CMI 18:12
        Boston - Champaign | Sun, Jun 14 | American Airlines
        US$598 US$637
        6% off
        6% off
        US$637 US$598
      • BOS 13:00
        17h 25m
        1 stop
        CMI 14:00
        Boston - Champaign | Wed, Jun 10 | Normal Airline
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Displayed flight fares from Boston to Champaign are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Boston to Champaign Flight Details

The distance between Boston and Champaign is about 1,465.81 km. Based on Trip.com's latest data, travel demand is highest in September. The off-season for travel is October.

Cheapest one-way flight priceUS$490
Cheapest return ticket priceUS$359
Cheapest monthOctober
Peak season for travelSeptember
Flight distance1,465.81 km
Flight statistics for the Boston–Champaign route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Boston to Champaign (BOS-CMI)?

    Based on Trip.com data, American Airlines offers one-way fares as low as US$490 on Cheapest nonstop routes (e.g. BOS to CMI on Tue, Jun 9), while United Airlines offers Cheapest nonstop round-trips from US$359 departing on Sat, Jun 13 and returning on Wed, Jun 17.
  • 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 Champaign 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.
  • To find best deals on flights from Boston to Champaign, 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 Tue, Jun 9, with one-way flights priced at just US$490.
    · 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 Champaign travel is around September.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Champaign is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Boston to Champaign on June 13, 2026 with United Airlines, with prices starting at US$359.
  • The time difference between Champaign and Boston is 1h.
  • 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.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.