Frontier's UpFront Plus offers a guaranteed empty middle seat for extra comfort.
Early check-in helps secure your seat due to frequent overbooking.
Round-trip from | $181 (CheapOair) |
---|---|
One-way from | $99 (United Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $299 |
Good round-trip deal | $286 or less |
Good one-way deal | $159 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 10/23
12:14 pm-11:45 pm
1 stop9h 31m
Chicago O'Hare Intl
Sun 10/26
2:54 pm-4:54 pm
Nonstop4h 00m
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 10/9
5:51 pm-11:25 pm
Nonstop3h 34m
Chicago O'Hare Intl
Sun 10/12
2:54 pm-4:54 pm
Nonstop4h 00m
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 8/23
12:40 pm-6:17 pm
Nonstop3h 37m
Chicago O'Hare Intl
Sat 8/30
3:50 pm-5:39 pm
Nonstop3h 49m
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 8/23
12:37 pm-6:17 pm
Nonstop3h 40m
Chicago O'Hare Intl
Sat 8/30
9:55 am-11:42 am
Nonstop3h 47m
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 8/27
2:15 pm-11:40 pm
1 stop7h 25m
Chicago O'Hare Intl
Sat 8/30
4:20 pm-6:15 pm
Nonstop3h 55m
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 9/12
12:14 pm-10:48 pm
1 stop8h 34m
Chicago O'Hare Intl
Mon 9/15
11:13 am-10:04 pm
2 stops12h 51m
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 8/23
7:05 am-9:35 pm
1 stop12h 30m
Chicago O'Hare Intl
Mon 8/25
3:30 pm-10:49 pm
1 stop9h 19m
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 10/17
11:57 am-11:59 pm
1 stop10h 02m
Chicago O'Hare Intl
Mon 10/20
8:20 am-3:17 pm
1 stop8h 57m
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Tue 8/26
4:00 pm-9:30 pm
Nonstop3h 30m
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 8/20
12:24 am-6:01 am
Nonstop3h 37m
The best time to book flights from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 optimal to fly from Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport in the afternoon. By choosing this option you can save up to 58% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Chicago O'Hare Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from PHX to ORD are scheduled on a Monday (55 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (47 on average).
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$75 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$79 | Average$200 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$170 | Average$306 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$174 | Average$330 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$210 | Average$364 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$240 | Average$293 | FlexibilityNo cancel fee | On-timeN/A |