Direct flights from St Louis to Chicago

Did you mean Flights from Chicago to St Louis?

St Louis

United States

STL

Lambert St Louis International Airport

Chicago

United States

ORD

Chicago O'Hare International Airport

Route: Nonstop service available
Distance: 258 miles
Marketing airlines: 23 airlines
Aircraft: 13 aircraft types
Dates: Oct 19, 2026 – Oct 17, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 4,500 points + $25.00 for STL → ORD, Economy, on 2026-11-02, booked with Alaska Atmos Rewards. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-23 – 2026-11-21.

STL → ORDEconomy
AA3547
4,500 points+ $25.00
Departure
2026-11-02
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 20:57
STL → ORDEconomy
AA363
4,500 points+ $25.00
Departure
2026-11-04
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 08:52
STL → ORDEconomy
AA1926
4,500 points+ $25.00
Departure
2026-11-04
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 08:52
STL → ORDEconomy
AA363
4,500 points+ $25.00
Departure
2026-11-06
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 18:12
STL → ORDEconomy
AA1926
4,500 points+ $25.00
Departure
2026-11-14
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 16:31
STL → ORDEconomy
AA3547
4,500 points+ $25.00
Departure
2026-11-14
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 16:31
STL → ORDEconomy
AA3409
4,500 points+ $25.00
Departure
2026-11-15
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 17:04
STL → ORDEconomy
AA1926
4,500 points+ $25.00
Departure
2026-11-15
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 17:04
STL → ORDEconomy
AA3111
4,500 points+ $25.00
Departure
2026-11-15
Seats seen
3
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 17:04
STL → ORDEconomy
AA3547
4,500 points+ $25.00
Departure
2026-11-17
Seats seen
6
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 18:39
STL → ORDEconomy
AA1926
4,500 points+ $25.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 18:39
STL → ORDEconomy
AA3409
4,500 points+ $25.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 18:39

St Louis to Chicago route overview

Lambert St Louis International Airport (STL) serves St Louis; Chicago O'Hare International Airport (ORD) serves Chicago.

The airports are 258 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from STL to ORD.

Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air Canada (AC), Alaska Airlines (AS), Avianca (AV), Finnair (AY), British Airways (BA), Copa Airlines (CM), Cathay Pacific (CX), Aer Lingus (EI), Emirates (EK), GoJet Airlines (G7), Gulf Air (GF), Iberia (IB), Japan Airlines (JL), Lufthansa (LH), All Nippon Airways (NH), Air New Zealand (NZ), Austrian Airlines (OS), Porter Airlines (PD), Qatar Airways (QR), Royal Jordanian (RJ), Turkish Airlines (TK) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 17, 2027.

Marketing airlines on the St Louis to Chicago route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Air Canada (AC)Codeshare only
Alaska Airlines (AS)Codeshare only
Avianca (AV)Codeshare only
Finnair (AY)Codeshare only
British Airways (BA)Codeshare only
Copa Airlines (CM)Codeshare only
Cathay Pacific (CX)Codeshare only
Aer Lingus (EI)Codeshare only
Emirates (EK)Codeshare only
Gulf Air (GF)Codeshare only
Iberia (IB)Codeshare only
Japan Airlines (JL)Codeshare only
Lufthansa (LH)Codeshare only
All Nippon Airways (NH)Codeshare only
Air New Zealand (NZ)Codeshare only
Austrian Airlines (OS)Codeshare only
Porter Airlines (PD)Codeshare only
Qatar Airways (QR)Codeshare only
Royal Jordanian (RJ)Codeshare only
Turkish Airlines (TK)Codeshare only

Airline alliance affiliations represented: Oneworld, Star Alliance

Aircraft flying from STL to ORD

Frequently asked questions

Which airports serve the St Louis to Chicago route?

Lambert St Louis International Airport (STL) is the origin airport and Chicago O'Hare International Airport (ORD) is the destination airport.

How far is Chicago from St Louis?

STL and ORD are approximately 258 miles apart by great-circle distance.

Are there direct flights from STL to ORD?

Yes. Roame's current schedule feed shows nonstop service from STL to ORD.

Which airlines market flights from STL to ORD?

Which aircraft fly from STL to ORD?

Aircraft listed in the current schedule include Airbus A319 (319), Airbus A320 (320), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-700 / Boeing 737-700ER (73G), Boeing 737 MAX 8 (7M8), CR5, Canadair Regional Jet 700 | Regional Jet 550 (CR7), CRJ, Embraer 170 (E70), Embraer 175 (short wing) (E75), Embraer 175 (long wing) (E7W) and JET.