United Airlines Chicago to Boston Flights

Return flight: Boston – Chicago

Cheapflightsplus.com will find cheap United Airlines flights from Chicago to Boston. Compare airline ticket prices and book air tickets starting from $78 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Chicago (IL) — Boston (MA) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in june: one-way - $78, two-way – $134.
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Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
1:12 pm — 4:43 pm
1:12 pm — 4:43 pm UA2022 United Airlines
Chicago — Boston
2h 31m
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from$123
1:30 pm — 5:02 pm
1:30 pm — 5:02 pm UA1262 United Airlines
Chicago — Boston
2h 32m
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from$81
2:15 pm — 5:46 pm
2:15 pm — 5:46 pm UA1693 United Airlines
Chicago — Boston
2h 31m
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from$81
2:15 pm — 5:46 pm
2:15 pm — 5:46 pm UA664 United Airlines
Chicago — Boston
2h 31m
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from$123
2:28 pm — 6:06 pm
2:28 pm — 6:06 pm UA2138 United Airlines
Chicago — Boston
2h 38m
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from$78
2:28 pm — 6:06 pm
2:28 pm — 6:06 pm UA2370 United Airlines
Chicago — Boston
2h 38m
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from$78
4:20 pm — 7:48 pm
4:20 pm — 7:48 pm UA1677 United Airlines
Chicago — Boston
2h 28m
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from$181
5:57 pm — 9:28 pm
5:57 pm — 9:28 pm UA1531 United Airlines
Chicago — Boston
2h 31m
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from$102
6:04 pm — 9:35 pm
6:04 pm — 9:35 pm UA1989 United Airlines
Chicago — Boston
2h 31m
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from$81
6:30 am — 9:56 am
6:30 am — 9:56 am UA2104 United Airlines
Chicago — Boston
2h 26m
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from$78
7:27 am — 10:54 am
7:27 am — 10:54 am UA2067 United Airlines
Chicago — Boston
2h 27m
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from$78
7:45 pm — 11:12 pm
7:45 pm — 11:12 pm UA1129 United Airlines
Chicago — Boston
2h 27m
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from$78
7:53 pm — 11:20 pm
7:53 pm — 11:20 pm UA2444 United Airlines
Chicago — Boston
2h 27m
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from$78
9:07 am — 12:42 pm
9:07 am — 12:42 pm UA1346 United Airlines
Chicago — Boston
2h 35m
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from$81
9:13 am — 12:48 pm
9:13 am — 12:48 pm UA536 United Airlines
Chicago — Boston
2h 35m
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from$78
9:20 am — 12:48 pm
9:20 am — 12:48 pm UA721 United Airlines
Chicago — Boston
2h 28m
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from$181
9:32 pm — 0:59 am
+1 day
9:32 pm — 0:59 am UA1779 United Airlines
Chicago — Boston
2h 27m
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from$78
10:50 am — 6:56 pm
10:50 am — 1:49 pm UA2862 United Airlines
Chicago — Washington D.C.
3h 21m stop
5:10 pm — 6:56 pm UA688 United Airlines
Washington D.C. — Boston
7h 6m
including layover
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from$104
10:55 am — 5:58 pm
10:35 am — 1:52 pm UA1126 United Airlines
Chicago — Newark
2h 27m stop
4:30 pm — 5:48 pm UA1701 United Airlines
Newark — Boston
6h 3m
including layover
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from$109
11:23 am — 5:41 pm
11:23 am — 2:28 pm UA1190 United Airlines
Chicago — Washington D.C.
1h 32m stop
4:00 pm — 5:41 pm UA1856 United Airlines
Washington D.C. — Boston
5h 18m
including layover
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from$104
11:46 am — 5:48 pm
11:46 am — 3:03 pm UA1205 United Airlines
Chicago — Newark
1h 27m stop
4:30 pm — 5:48 pm UA1701 United Airlines
Newark — Boston
5h 2m
including layover
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from$105
12:05 pm — 8:01 pm
12:05 pm — 3:31 pm UA1205 United Airlines
Chicago — Newark
3h 8m stop
7:00 pm — 8:24 pm UA1896 United Airlines
Newark — Boston
6h 56m
including layover
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from$169
12:50 pm — 6:55 pm
12:50 pm — 3:52 pm UA1377 United Airlines
Chicago — Washington D.C.
1h 24m stop
5:16 pm — 6:55 pm UA688 United Airlines
Washington D.C. — Boston
5h 5m
including layover
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from$165
1:10 pm — 7:53 pm
1:10 pm — 4:28 pm UA1332 United Airlines
Chicago — Newark
2h 2m stop
7:15 pm — 8:38 pm UA1332 United Airlines
Newark — Boston
5h 43m
including layover
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from$87
3:40 pm — 11:00 pm
3:40 pm — 7:14 pm UA2133 United Airlines
Chicago — Newark
2h 21m stop
9:45 pm — 11:10 pm UA472 United Airlines
Newark — Boston
6h 20m
including layover
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from$104
3:40 pm — 11:00 pm
3:40 pm — 7:14 pm UA2133 United Airlines
Chicago — Newark
2h 21m stop
9:45 pm — 11:10 pm UA1045 United Airlines
Newark — Boston
6h 20m
including layover
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from$104
4:50 pm — 11:00 pm
4:46 pm — 8:20 pm UA1785 United Airlines
Chicago — Newark
1h 11m stop
9:45 pm — 11:10 pm UA472 United Airlines
Newark — Boston
5h 10m
including layover
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from$104
4:50 pm — 11:00 pm
4:46 pm — 8:20 pm UA1785 United Airlines
Chicago — Newark
1h 11m stop
9:45 pm — 11:10 pm UA1045 United Airlines
Newark — Boston
5h 10m
including layover
Find flight
from$104
5:55 pm — 11:57 pm
5:56 pm — 8:55 pm UA2677 United Airlines
Chicago — Washington D.C.
1h 23m stop
10:18 pm — 11:59 pm UA755 United Airlines
Washington D.C. — Boston
5h 2m
including layover
Find flight
from$104
8:47 am — 3:32 pm
8:45 am — 12:09 pm UA2691 United Airlines
Chicago — Newark
2h 5m stop
3:00 pm — 4:19 pm UA577 United Airlines
Newark — Boston
5h 45m
including layover
Find flight
from$98
8:47 am — 4:29 pm
8:47 am — 12:11 pm UA2691 United Airlines
Chicago — Newark
2h 59m stop
3:10 pm — 4:29 pm UA2359 United Airlines
Newark — Boston
6h 42m
including layover
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from$98
*Departure and arrival times are local. Last updated on 06/04/2025

Flight Information

There are 17 flights by United Airlines from Chicago to Boston every week with departures from Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee. All flights arrive at Logan, Boston City Heliport, Boston RT128 Rail, Boston South Rail.

Departures start from 10:35 am to 9:50 pm. Nonstop flight is 2h 26m. The time difference between Chicago and Boston is 1h.

  • The fastest flight 2h 26m
  • Average flight time 2h 31m
  • The earliest flight 10:35 am
  • The latest flight 9:50 pm
  • Distance 852 ml

The cheapest months for traveling to Boston are may (from 93 $), july (from 104 $), june (from 105 $).

The most expensive and popular months are november (from 258 $), september (from 108 $), october (from 108 $).

The cheapest flight by United Airlines that our users were able to find is $78. This airfare is economy class on one-way UA2104 flight for July 5, 2025 leaving O'Hare International in Chicago at 6:30 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 9 airline carriers between Chicago and Boston. Please review schedules and prices from the most popular airlines to find the best airfare deals from Chicago to Boston.

Nonstop flights

There are 17 direct flights every day from Chicago. Airlines and fares are below:

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

  • from $52
    Find
  • AS - Alaska Airlines
    from $156
    Find
  • F9 - Frontier Airlines
    from $71
    Find
  • SY - Sun Country Airlines
    from $101
    Find
  • TK - Turkish Airlines
    from $1988
    Find
  • AY - Finnair
    from $786
    Find
  • HA - Hawaiian Airlines
    from $182
    Find
  • LF - flynordic
    from $138
    Find
  • G4 - Allegiant Air
    from $79
    Find
See more connecting flights

How to book an air 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 airfare.
  • 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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