BA offers complimentary hot meals and beverages in economy on long-haul flights.
BA's Executive Club offers free seat selection for mid-tier or higher status members.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $191 (Mytrip) |
One-way from | $64 (Expedia) |
Popular in | December |
Cheapest in | September |
Average price | $494 |
Good round-trip deal | $405 or less |
Good one-way deal | $242 or less |
Fly from
Fly to
Route
Depart
Return
Price
TucsonChicago
TUS - ORD
TUSORD
Tucson
Thu 1/15
2:55 pm-11:53 pm
1 stop7h 58m
Chicago O'Hare Intl
Sat 1/17
7:30 am-2:04 pm
1 stop31h 34m
TucsonChicago
TUS - ORD
TUSORD
Tucson
Thu 1/8
9:59 pm-10:46 pm
2 stops23h 47m
Chicago O'Hare Intl
Sun 1/11
6:07 pm-10:36 am
1 stop17h 29m
TucsonChicago
TUS - ORD
TUSORD
Tucson
Sat 1/10
3:30 pm-11:53 pm
1 stop31h 23m
Chicago O'Hare Intl
Sat 1/17
7:30 am-2:04 pm
1 stop31h 34m
TucsonChicago
TUS - ORD
TUSORD
Tucson
Mon 1/19
6:00 am-2:38 pm
1 stop31h 38m
Chicago O'Hare Intl
Wed 1/21
3:35 pm-11:59 pm
1 stop9h 24m
TucsonChicago
TUS - ORD
TUSORD
Tucson
Fri 2/13
6:00 am-4:33 pm
1 stop9h 33m
Chicago O'Hare Intl
Mon 2/16
5:29 pm-11:59 pm
1 stop31h 30m
TucsonChicago
TUS - ORD
TUSORD
Tucson
Tue 1/13
6:00 am-11:50 pm
1 stop16h 50m
Chicago O'Hare Intl
Thu 1/22
2:06 pm-11:59 pm
2 stops10h 53m
TucsonChicago
TUS - ORD
TUSORD
Tucson
Thu 2/26
4:43 pm-1:11 pm
2 stops19h 28m
Chicago O'Hare Intl
Fri 2/27
3:54 pm-11:59 pm
1 stop9h 05m
TucsonChicago
TUS - ORD
TUSORD
Tucson
Sat 1/17
6:00 am-11:50 pm
1 stop16h 50m
Chicago O'Hare Intl
Thu 1/22
2:06 pm-11:59 pm
2 stops10h 53m
TucsonChicago
TUS - ORD
TUSORD
Tucson
Wed 2/11
3:03 pm-12:01 pm
2 stops19h 58m
Chicago O'Hare Intl
Mon 2/16
3:54 pm-11:59 pm
1 stop9h 05m
TucsonChicago
TUS - ORD
TUSORD
Tucson
Wed 1/14
12:23 pm-5:04 pm
Nonstop3h 41m
Chicago O'Hare Intl
Mon 1/19
7:51 pm-11:15 pm
Nonstop4h 24m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Tucson to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, April is the cheapest month in which you can book a flight from Tucson to Chicago O'Hare Intl Airport (average of $148). Flying from Tucson to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $364). 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 Tucson to Chicago O'Hare Intl Airport at noon. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Tucson to Chicago O'Hare Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Oct 2025
YUL - ORD
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Oct 2025
YUL - ORD
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Oct 2025
YUL - ORD
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Oct 2025
YUL - ORD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$270 | Average$461 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$425 | FlexibilityNo cancel fee | On-time71% |