Cheap Flights from Chicago, IL to Boston, MA from $90

Return flight: Boston – Chicago

On Cheapflightsplus.com you will find 8 direct and 63 connecting flights from Chicago to Boston. You can compare airfare deals from 6 airlines and multiple travel sites from $90, book and save on cheap plane tickets and last minute offers. Also check out CHI-BOS flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Chicago to Boston depends on and how to choose the most interesting flight option for you.

Distance between Chicago and Boston is 1370 miles. Time difference between the cities is 1h. Airplanes depart 05:05 to 23:45 from 7 Chicago airports and arrive 05:05 to 23:45 to 4 Boston airports. Average flight time is 2h 31m.

  • The fastest flight 2h 26m
  • Average flight time 2h 31m
  • The earliest flight 05:05
  • The latest flight 23:45
  • Distance 852 ml

The cheapest months to travel to Boston are october (from 90 $), may (from 90 $), july (from 101 $).

The most expensive months are november (from 4 022 $), september (from 104 $), june (from 102 $).

What is the lowest airfare Chicago to Boston?

The cheapest plane ticket found by our users is $90. This airfare is for economy class on one-way UA2104 flight by United Airlines for October 9, 2025 which leaves O'Hare International in Chicago at 06:30 am and arrives at Boston Logan at 09:56.

Economy class
$90
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Business class
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First class
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Flight Schedule Chicago (Illinois) to Boston (Massachusetts)

06:00 — 13:24
6h 24m flight time
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from$135
06:00 — 09:15 Chicago — Newark
UA1658 United Airlines
2h 55m stop
12:10 — 13:24 Newark — Boston
UA408 United Airlines
06:30 — 09:56
2h 26m flight time
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from$90
Chicago — Boston
UA2104 United Airlines
07:15 — 13:24
5h 9m flight time
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from$135
07:15 — 10:33 Chicago — Newark
UA563 United Airlines
1h 37m stop
12:10 — 13:24 Newark — Boston
UA408 United Airlines
09:13 — 12:48
2h 35m flight time
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from$102
Chicago — Boston
UA536 United Airlines
10:35 — 16:28
4h 53m flight time
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from$212
10:35 — 13:52 Chicago — Newark
UA1126 United Airlines
1h 18m stop
15:10 — 16:28 Newark — Boston
UA2033 United Airlines
11:05 — 14:40
2h 35m flight time
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from$262
Chicago — Boston
UA399 United Airlines
13:12 — 16:43
2h 31m flight time
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from$159
Chicago — Boston
UA2022 United Airlines
14:15 — 17:46
2h 31m flight time
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from$159
Chicago — Boston
UA664 United Airlines
14:20 — 23:08
7h 48m flight time
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from$135
14:20 — 17:47 Chicago — Newark
UA2649 United Airlines
3h 58m stop
21:45 — 23:08 Newark — Boston
UA1395 United Airlines
15:48 — 19:19
2h 31m flight time
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from$463
Chicago — Boston
UA1677 United Airlines
17:03 — 23:08
5h 5m flight time
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from$243
16:50 — 20:17 Chicago — Newark
UA1276 United Airlines
1h 15m stop
21:45 — 23:08 Newark — Boston
UA1395 United Airlines
17:55 — 23:57
5h 2m flight time
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from$134
17:56 — 20:55 Chicago — Washington D.C.
UA2677 United Airlines
1h 23m stop
22:18 — 23:59 Washington D.C. — Boston
UA755 United Airlines
17:57 — 21:28
2h 31m flight time
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from$131
Chicago — Boston
UA1531 United Airlines
20:12 — 11:18+1day
14h 6m flight time
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from$242
20:12 — 00:20 Chicago — Miami
NK2126 Spirit Airlines
7h 45m stop
08:05 — 11:18 Miami — Boston
NK2300 Spirit Airlines
21:15 — 00:45+1day
2h 30m flight time
Find flight
from$391
Chicago — Boston
UA1779 United Airlines
Full flight schedule will help you in detecting at what time planes fly from Chicago to Boston. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 8, 2025.

Popular Airlines on the Route

The flight Chicago — Boston is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 8 departures per week at the price of from $ 349 . And the most expensive tickets are offered by Turkish Airlines airline - from $ 4475.

Direct flights

There are 8 nonstop flights on the route. The fastest direct flight is UA2104 by United Airlines takes 2h 26m and the cheapest is UA2104 by United Airlines for $90.

  • UA - United Airlines
    from $90
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Connecting Flights

There are 63 flights with layovers on the route. The fastest connecting flight is UA2029 by United Airlines takes 4h 23m and the cheapest is UA2104 by United Airlines for $134.

  • F9 - Frontier Airlines
    from $349
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  • TK - Turkish Airlines
    from $4475
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  • AY - Finnair
    from $1885
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  • UA - United Airlines
    from $134
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  • NK - Spirit Airlines
    from $242
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  • G4 - Allegiant Air
    from $282
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See more connecting flights

Airports

You can fly from Chicago to Boston from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

  • O'Hare International-ORD
    from $90
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  • Midway-MDW
    from $282
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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Boston airports

  • Boston City Heliport-JBC
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  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
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  • Logan-BOS
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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