
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $151 (Cheapflightsfares) |
One-way from | $79 (United Airlines) |
Popular in | April |
Cheapest in | January |
Average price | $272 |
Good round-trip deal | $209 or less |
Good one-way deal | $108 or less |
Fly from
Fly to
Route
Depart
Return
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Wed 6/10
7:10 am-10:46 am
Nonstop2h 36m
Boston Logan Intl
Wed 6/17
7:30 am-9:28 am
Nonstop2h 58m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Wed 7/29
10:56 am-2:23 pm
Nonstop2h 27m
Boston Logan Intl
Thu 8/20
8:10 am-10:06 am
Nonstop2h 56m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Sat 5/23
1:56 pm-5:27 pm
Nonstop2h 31m
Boston Logan Intl
Sun 5/24
6:00 am-8:00 am
Nonstop3h 00m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Wed 5/20
9:30 pm-12:59 am
Nonstop2h 29m
Boston Logan Intl
Tue 5/26
5:45 am-9:36 am
1 stop4h 51m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Mon 6/29
6:20 pm-9:56 pm
Nonstop2h 36m
Boston Logan Intl
Sat 7/4
6:45 pm-8:41 pm
Nonstop2h 56m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Wed 5/20
3:50 pm-7:27 pm
Nonstop2h 37m
Boston Logan Intl
Fri 5/22
8:40 pm-10:35 pm
Nonstop2h 55m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Fri 5/8
11:32 am-3:03 pm
Nonstop2h 31m
Boston Logan Intl
Sat 5/23
3:08 pm-5:00 pm
Nonstop2h 52m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Tue 6/30
9:35 pm-1:08 am
Nonstop2h 33m
Boston Logan Intl
Fri 7/3
8:15 pm-10:15 pm
Nonstop3h 00m
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Sat 5/30
7:45 am-11:00 am
Nonstop2h 15m
Boston Logan Intl
Mon 6/1
6:55 pm-8:45 pm
Nonstop2h 50m
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Wed 5/13
7:00 am-10:35 am
Nonstop2h 35m
Boston Logan Intl
Sun 5/17
7:35 am-9:27 am
Nonstop2h 52m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
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 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, November is the cheapest month in which you can book a flight from Chicago to Boston (average of $182). Flying from Chicago to Boston in December is currently the most expensive (average of $283). 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 18% 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 Thursday afternoons when fares are most often at their lowest. Sunday afternoons 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 Monday (75 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (34 on average).
About 25% of weekly flights between Chicago and Boston have experienced delays in the past year, with the average delay time being 147 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, JetBlue have had the lowest number of delays on this route, with just 21% of flights being delayed.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Dominic,Mar 2026
MCO - SMF
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$166 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$79 | Average$166 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$85 | Average$226 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$255 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$119 | Average$231 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$126 | Average$247 | FlexibilityNo cancel fee | On-time63% |