American Airlines' Main Cabin Extra provides more legroom than standard economy.
American Airlines' Flagship Business offers lie-flat seats on select transcontinental flights.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $68 (Kiwi.com) |
One-way from | $42 (Trip.com) |
Popular in | August |
Cheapest in | January |
Average price | $272 |
Good round-trip deal | $67 or less |
Good one-way deal | $29 or less |
Fly from
Fly to
Route
Depart
Return
Price
New YorkChicago
LGA - ORD
LGAORD
New York LaGuardia
Mon 2/2
8:00 am-9:03 pm
1 stop14h 03m
Chicago O'Hare Intl
Tue 2/3
5:53 pm-8:59 pm
Nonstop2h 06m
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Thu 1/15
9:57 am-6:16 pm
1 stop9h 19m
Chicago O'Hare Intl
Tue 1/20
7:20 am-8:49 pm
1 stop12h 29m
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Thu 1/8
9:57 am-6:16 pm
1 stop9h 19m
Chicago O'Hare Intl
Sun 1/11
8:43 pm-10:24 am
1 stop12h 41m
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Wed 1/14
5:43 pm-11:46 pm
1 stop7h 03m
Chicago O'Hare Intl
Sun 1/18
6:20 am-9:41 am
Nonstop2h 21m
New YorkChicago
LGA - ORD
LGAORD
New York LaGuardia
Tue 1/13
12:59 pm-9:03 pm
1 stop9h 04m
Chicago O'Hare Intl
Tue 1/20
6:05 am-5:58 pm
1 stop10h 53m
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Tue 2/24
8:53 am-8:56 pm
1 stop13h 03m
Chicago O'Hare Intl
Fri 2/27
12:44 pm-11:28 pm
1 stop9h 44m
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Fri 1/16
9:06 am-2:17 pm
1 stop6h 11m
Chicago O'Hare Intl
Wed 1/21
7:20 am-2:20 pm
1 stop6h 00m
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Thu 1/8
10:20 am-11:35 am
Nonstop2h 15m
Chicago O'Hare Intl
Sun 1/11
4:49 pm-8:15 pm
Nonstop2h 26m
DallasChicago
DFW - MDW
DFWMDW
Dallas/Fort Worth
Sat 2/21
5:02 pm-2:26 pm
1 stop21h 24m
Chicago Midway
Sat 2/28
8:00 am-12:18 am
1 stop16h 18m
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Sat 2/7
10:10 am-11:31 am
Nonstop2h 21m
Chicago O'Hare Intl
Sat 2/7
2:30 pm-5:36 pm
Nonstop2h 06m
Currently, January is the cheapest month in which you can book a flight from USA to Chicago (average of $44). Flying from USA to Chicago in June is currently the most expensive (average of $78). 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.
A simple way to save on the total cost of your ticket is to fly from USA to Chicago in the evening. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their USA to Chicago flight should consider departing on Wednesday mornings 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 US0 to CHI are scheduled on a Thursday (117 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (53 on average).
About 13% of weekly flights between United States and Chicago have experienced delays in the past year, with the average delay time being 151 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, ALS have had the lowest number of delays on this route, with just 8% of flights being delayed.
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$195 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$58 | Average$185 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$75 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$91 | Average$195 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$101 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$105 | Average$228 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$108 | Average$288 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$294 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$118 | Average$320 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$128 | Average$289 | FlexibilityNo cancel fee | On-time71% |