Southwest's Early Bird check-in gives priority boarding 36 hours before departure.
Southwest offers free messaging and in-flight entertainment streamed to your device.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $103 (Expedia) |
One-way from | $64 (Priceline) |
Popular in | March |
Cheapest in | September |
Average price | $331 |
Good round-trip deal | $250 or less |
Good one-way deal | $143 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Tue 1/6
12:10 pm-6:45 pm
1 stop5h 35m
Chicago Midway
Sat 1/10
7:00 am-10:10 am
Nonstop4h 10m
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Wed 1/7
11:55 am-10:07 pm
1 stop9h 12m
Chicago Midway
Wed 1/14
11:21 am-7:13 pm
1 stop8h 52m
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Tue 2/24
1:55 pm-10:44 pm
1 stop7h 49m
Chicago Midway
Sat 2/28
1:28 pm-7:38 pm
1 stop7h 10m
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Wed 1/7
1:55 pm-10:07 pm
1 stop7h 12m
Chicago Midway
Sat 1/10
1:28 pm-7:05 pm
1 stop6h 37m
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Sat 1/17
7:30 am-4:29 pm
1 stop7h 59m
Chicago Midway
Sat 1/24
1:26 pm-8:11 pm
1 stop7h 45m
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Mon 2/23
11:59 pm-8:53 am
1 stop7h 54m
Chicago Midway
Sat 2/28
6:00 am-12:24 pm
1 stop7h 24m
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Wed 1/28
1:55 pm-10:22 pm
1 stop7h 27m
Chicago Midway
Sun 2/1
7:16 pm-12:11 am
1 stop5h 55m
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Wed 12/24
4:40 pm-8:55 pm
Nonstop3h 15m
Chicago Midway
Mon 1/5
4:40 pm-8:50 pm
1 stop5h 10m
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Thu 1/8
5:05 pm-9:15 pm
Nonstop3h 10m
Chicago Midway
Thu 1/15
12:30 pm-4:35 pm
1 stop5h 05m
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Sat 1/17
9:00 am-4:45 pm
2 stops6h 45m
Chicago Midway
Sat 1/24
9:45 am-4:40 pm
2 stops7h 55m
| 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 Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to Chicago Midway Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, December is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Chicago Midway Airport (average of $62). Flying from Phoenix Sky Harbor Intl Airport to Chicago Midway Airport in March is currently the most expensive (average of $206). 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.
Unlike in the morning, when flights are generally more expensive, you can save up to 22% on flights from Phoenix Sky Harbor Intl Airport to Chicago Midway Airport by exploring options for tickets at noon.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Chicago Midway Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Phoenix Sky Harbor Intl Airport to Chicago Midway Airport on Cheapflights.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $128.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 10m.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 0h 53m.
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$110 | Average$215 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$272 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$206 | Average$346 | FlexibilityNo cancel fee | On-time63% |