United's Economy Plus offers extra legroom, ideal for comfort on short flights.
United's MileagePlus allows pooling miles, useful for family travel.
Round-trip from | $131 (Southwest) |
---|---|
One-way from | $69 (United Airlines) |
Popular in | April |
Cheapest in | September |
Average price | $193 |
Good round-trip deal | $99 or less |
Good one-way deal | $86 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Sat 10/25
4:09 pm-1:13 am
1 stop8h 04m
Boston Logan Intl
Sat 11/1
5:40 am-12:16 pm
1 stop7h 36m
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Fri 10/31
4:55 pm-8:10 pm
Nonstop2h 15m
Boston Logan Intl
Sat 11/1
5:20 am-7:00 am
Nonstop2h 40m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Thu 11/6
7:05 am-10:29 am
Nonstop2h 24m
Boston Logan Intl
Wed 11/12
4:05 pm-6:13 pm
Nonstop3h 08m
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Sat 10/25
9:20 am-5:12 pm
1 stop6h 52m
Boston Logan Intl
Sat 11/1
5:45 am-1:08 pm
1 stop8h 23m
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Tue 11/11
11:25 am-9:40 pm
1 stop9h 15m
Boston Logan Intl
Sun 11/16
6:50 am-3:40 pm
1 stop9h 50m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Tue 11/18
10:30 am-1:59 pm
Nonstop2h 29m
Boston Logan Intl
Sun 11/23
7:30 am-9:35 am
Nonstop3h 05m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Fri 11/14
1:55 pm-5:15 pm
Nonstop2h 20m
Boston Logan Intl
Sun 11/16
5:30 am-9:46 am
1 stop5h 16m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Thu 12/4
7:10 am-10:37 am
Nonstop2h 27m
Boston Logan Intl
Sun 12/7
5:45 am-11:48 am
1 stop7h 03m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Sat 10/25
6:30 am-9:56 am
Nonstop2h 26m
Boston Logan Intl
Sat 10/25
5:19 pm-9:44 pm
1 stop5h 25m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Thu 10/30
7:05 am-10:29 am
Nonstop2h 24m
Boston Logan Intl
Sat 11/1
5:40 am-12:16 pm
1 stop7h 36m
The price you pay for your flight from Chicago to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, January is the cheapest month in which you can book a flight from Chicago to Boston (average of $218). Flying from Chicago to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Chicago to Boston in the evening. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Chicago to Boston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from CHI to BOS are scheduled on a Thursday (75 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).
Crew
Food
Entertainment
Boarding
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Reviews
Mike,Aug 2025
OKC - AUS
Crew
Food
Entertainment
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Crew
Food
Entertainment
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Crew
Food
Entertainment
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Crew
Food
Entertainment
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Crew
Food
Entertainment
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$35 | Average$141 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$78 | Average$183 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$95 | Average$225 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$100 | Average$115 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$118 | Average$231 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$132 | Average$290 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$142 | Average$261 | FlexibilityNo cancel fee | On-time63% |