$39 Cheap flights from Lambert-St. Louis Intl. to O'Hare Intl. (STL to ORD)

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Find The Best Dates To Fly from Lambert-St. Louis Intl. to O'Hare Intl.

Compare Flight Prices from St. Louis to Chicago

Affordable Airfare Tickets from STL to ORD Airport

The cheapest flights to O'Hare Intl. found within the past 7 days were $77 round trip and $39 one way. Prices and availability subject to change. Additional terms may apply.

Mon, May 19 - Wed, May 21
STL
St. Louis
ORD
Chicago
$77 Roundtrip, found 1 day ago
$77
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 19 from St. Louis to Chicago, returning Wed, May 21, priced at $77 found 1 day ago
Mon, May 19 - Wed, May 21
STL
St. Louis
ORD
Chicago
$84 Roundtrip, found 1 day ago
$84
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 19 from St. Louis to Chicago, returning Wed, May 21, priced at $84 found 1 day ago
Mon, May 19 - Tue, May 20
STL
St. Louis
ORD
Chicago
$99 Roundtrip, found 6 days ago
$99
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, May 19 from St. Louis to Chicago, returning Tue, May 20, priced at $99 found 6 days ago
Mon, May 19 - Wed, May 21
STL
St. Louis
ORD
Chicago
$108 Roundtrip, found 1 day ago
$108
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 19 from St. Louis to Chicago, returning Wed, May 21, priced at $108 found 1 day ago
Mon, May 19 - Wed, May 21
STL
St. Louis
ORD
Chicago
$115 Roundtrip, found 1 day ago
$115
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 19 from St. Louis to Chicago, returning Wed, May 21, priced at $115 found 1 day ago
Mon, May 19 - Wed, May 21
STL
St. Louis
ORD
Chicago
$116 Roundtrip, found 1 day ago
$116
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 19 from St. Louis to Chicago, returning Wed, May 21, priced at $116 found 1 day ago
Sat, May 17 - Mon, May 19
STL
St. Louis
ORD
Chicago
$123 Roundtrip, found 1 day ago
$123
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, May 17 from St. Louis to Chicago, returning Mon, May 19, priced at $123 found 1 day ago
Sat, May 17 - Mon, May 19
STL
St. Louis
ORD
Chicago
$124 Roundtrip, found 1 day ago
$124
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, May 17 from St. Louis to Chicago, returning Mon, May 19, priced at $124 found 1 day ago
Mon, May 19 - Tue, May 20
STL
St. Louis
ORD
Chicago
$128 Roundtrip, found 6 days ago
$128
Roundtrip
found 6 days ago
Select United flight, departing Mon, May 19 from St. Louis to Chicago, returning Tue, May 20, priced at $128 found 6 days ago
Mon, May 19 - Wed, May 21
STL
St. Louis
ORD
Chicago
$133 Roundtrip, found 1 day ago
$133
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Mon, May 19 from St. Louis to Chicago, returning Wed, May 21, priced at $133 found 1 day ago

O'Hare Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Aloft Chicago Downtown River North

Aloft Chicago Downtown River North

3.5 out of 5
Save 100% on your flight
per person
May 26 - May 30
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Chicago (ORD)
Fairmont Chicago at Millennium Park

Fairmont Chicago at Millennium Park

4.5 out of 5
Save 100% on your flight
per person
May 26 - May 30
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Chicago (ORD)
JW Marriott Chicago

JW Marriott Chicago

4.5 out of 5
Save 100% on your flight
per person
May 26 - May 30
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Chicago (ORD)
The Allegro Royal Sonesta Hotel Chicago Loop

The Allegro Royal Sonesta Hotel Chicago Loop

4 out of 5
Save 100% on your flight
per person
May 26 - May 30
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Chicago (ORD)
LondonHouse Chicago, Curio Collection by Hilton

LondonHouse Chicago, Curio Collection by Hilton

4.5 out of 5
Save 100% on your flight
per person
May 26 - May 30
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Chicago (ORD)
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Frequently asked questions

Can I catch a flight from STL to O'Hare Airport right now?
For any present ORD travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught up en route.
Are there direct flights from Lambert Field to ORD?
Your next incredible adventure is on the opposite side of just one flight. You can travel direct from St. Louis Lambert International Airport to ORD with multiple airlines, including United Airlines and American Airlines.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to O’Hare Intl. Airport (ORD), please visit our Customer Service Portal.
How long is the flight from Lambert Field to ORD?
If you were planning to squeeze in a good sleep during your St. Louis to Chicago trip, you may have to think again. The usual flight time between St. Louis Lambert International Airport and O’Hare Intl. Airport (ORD) is a mere 1 hour and 24 minutes — just enough to relax and unwind for a short while.
What is the flight distance from STL to O'Hare Airport?
There’s a flight distance of 260 mi between STL and O’Hare Intl. Airport (ORD). Take advantage of your short journey to write down all the popular sightseeing places you plan to visit and how you’re going to get there. A detailed itinerary is key to having an unforgettable vacation.
What airlines fly from St. Louis Lambert International Airport to O'Hare Intl. Airport (ORD)?
Choose from a number of airlines that offer direct flights between St. Louis and Chicago. United Airlines (UA) is one of the most well-known. This air carrier operates roughly 212 flights every month. You may want to also look up the deals on offer from American Airlines (AA). This airline operates 165 flights monthly on the St. Louis to Chicago route. Compare the two to find your ideal fare.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with United Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from St. Louis to Chicago

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
O'Hare Intl.
Shortest Flight Time
1 hours 19 mins
Earliest Departure Time
5:45AM CDT
Latest Departure Time
6:00PM CDT
Lowest Flight Price
$77

Route Info

Flight path for flights from Lambert-St. Louis International Airport to O'Hare International Airport


Origin:
STL - Lambert-St. Louis International Airport
Destination:
ORD - O'Hare International Airport
Distance:
259.00 miles


Airlines & Aircraft Used on STL to ORD Flight Routes


Airline Carrier
Aircraft
American Airlines
Boeing 737 all pax models
United Airlines
Airbus A320-100/200

Discover our best flights from St. Louis STL to Chicago ORD. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Chicago ORD at the right price  

Airfares to Chicago ORD from St. Louis STL currently cost between $77 and $133. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Chicago ORD 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Chicago ORD on Travelocity starting at $39. Prices and availability subject to change. Additional terms may apply. 

 

Get to Chicago ORD from St. Louis STL quicker with direct flights. 

Get to Chicago faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to ORD from STL to take around 1 hour(s) 19 min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Chicago ORD

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to ORD from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Chicago ORD today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from St. Louis STL to Chicago ORD. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Chicago ORD from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to ORD from STL have this option.  

 

Travel with confidence when you book flights to Chicago ORD from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.