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St. Louis to O'Hare International Airport flight
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Cheap Flights from St. Louis to O'Hare International Airport

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL05:55
        1h 16m
        Direct
        ORD07:11
        St. Louis - Chicago|Thu, May 30|American Airlines
        CAD 63CAD 82
        23% OFF
        23% OFF
        CAD 82CAD 63
      • STL18:13
        1h 20m
        Direct
        ORD19:33
        St. Louis - Chicago|Fri, Jul 5|American Airlines
        CAD 63CAD 82
        22% OFF
        22% OFF
        CAD 82CAD 63
      • STL17:08
        1h 17m
        Direct
        ORD18:25
        St. Louis - Chicago|Wed, May 29|American Airlines
        CAD 64CAD 82
        21% OFF
        21% OFF
        CAD 82CAD 64
      • STL06:00
        1h 22m
        Direct
        ORD07:22
        St. Louis - Chicago|Wed, Jul 3|American Airlines
        CAD 65
        CAD 65
      • STL06:00
        1h 22m
        Direct
        ORD07:22
        St. Louis - Chicago|Wed, Jun 26|American Airlines
        CAD 66
        CAD 66
      • STL18:08
        1h 22m
        Direct
        ORD19:30
        St. Louis - Chicago|Thu, Jun 20|American Airlines
        CAD 66
        CAD 66
      • STL06:00
        1h 22m
        Direct
        ORD07:22
        St. Louis - Chicago|Thu, Jun 13|American Airlines
        CAD 66
        CAD 66
      • STL06:00
        1h 22m
        Direct
        ORD07:22
        St. Louis - Chicago|Wed, Jun 19|American Airlines
        CAD 66
        CAD 66
      • STL06:00
        1h 22m
        Direct
        ORD07:22
        St. Louis - Chicago|Sat, Jun 15|American Airlines
        CAD 66
        CAD 66
      • STL06:00
        1h 22m
        Direct
        ORD07:22
        St. Louis - Chicago|Sun, Jun 30|American Airlines
        CAD 66
        CAD 66
      • STL13:00
        3h 5m
        Direct
        ORD14:00
        St. Louis - Chicago|Tue, Jun 4|American Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from St. Louis to O'Hare International Airport
American Airlines
From CAD 63
Southern Airways Express, Llc
From CAD 80
United Airlines
From CAD 96
Sun Country Airlines
From CAD 143
Southwest Airlines
From CAD 144
Frontier Airlines
From CAD 233
Alaska Airlines
From CAD 240
Delta Air Lines
From CAD 241
Spirit Airlines
From CAD 614
ANA airlines

Find more flights and airlines

Airports in St. Louis

  • 21.12 km from central St. Louis
    St. Louis Lambert International Airport
    Tickets From
    CAD 63
Flight Schedule from St. Louis to O'Hare International Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. AA629

    American Airlines

    06:00

    STL

    1.3h

    Direct

    07:18

    ORD

    SMTWTFS
    Search

  2. 9X447

    Southern Airways Express, Llc

    12:15

    STL

    1.3h

    13:30

    BRL

    SMTWTFS
    Search

  3. 9X444

    Southern Airways Express, Llc

    14:10

    BRL

    1.7h

    15:50

    ORD

    SMTWTFS

  4. AA872

    American Airlines

    17:40

    STL

    1.3h

    Direct

    18:57

    ORD

    SMTWT-S
    Search
Find more flights and airlines

Flight Info of Flights from St. Louis to O'Hare International Airport

Cheapest return ticket price

CAD 116

Cheapest direct flight price

CAD 63

Cheapest month

May

Peak season for travel

November

FAQs for St. Louis to O'Hare International Airport Flights

  • When to buy flight tickets from St. Louis (STL) to Chicago (CHI) the cheapest?

    Airlines adjust prices for flights from St. Louis to Chicago based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from St. Louis (STL) to Chicago (CHI) cost?

    According to Trip.com's data, the lowest price is around CAD 317.

  • How long is a flight from St. Louis (STL) to Chicago (CHI)?

    It takes about 1 hour 18 minutes to fly from St. Louis (STL) to Chicago (CHI).

  • What is the transportation method from the main airport to downtown in Chicago?

    • The distance from O'Hare International Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Midway International Airport to downtown is about 14km, by taxi about 30 minutes.

  • What time does the earliest flight from St. Louis to Chicago depart?

    The earliest flight departs from St. Louis (STL) at 06:00 and arrives in Chicago (ORD) at 07:30.

  • What time does the latest flight from St. Louis to Chicago depart?

    The latest flight departs from St. Louis (STL) at 18:03 and arrives in Chicago (ORD) at 19:19.

  • What are the most popular airlines that fly from St. Louis (STL) to Chicago (CHI)?

  • What's the most popular airline for direct flights from St. Louis (STL) to Chicago (CHI)?

    Southwest Airlines operates 2 direct flights from St. Louis (STL) to Chicago (CHI).

  • How many airports in Chicago?

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