O'Hare Intl

$51+ Cheap flights from St. Louis (STL) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ORD
Nov 4 — Nov 111
1 adult
Mon 11/4
Mon 11/11
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Find cheap flights from St. Louis to O'Hare Intl with Cheapflights

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The best prices from Lambert-St Louis to Chicago O'Hare Intl are usually found in August or September, booked 58 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Cheap flight deals from St. Louis to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

August

Round-trip from

$103
(Mytrip)

One-way from

$51
(Gotogate)
Provider with most accurate pricing for Lambert-St Louis-Chicago O'Hare Intl flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Chicago O'Hare Intl flights.
High demand for flights, 19% potential price rise
Best time to find cheap flights, 21% potential price drop
From Lambert-St Louis to Chicago O'Hare Intl
One-way flight from Lambert-St Louis to Chicago O'Hare Intl

Find flight deals from St. Louis to O'Hare Intl

Cheapest flights from St. Louis to O'Hare Intl
Explore the most affordable flight options available from St. Louis to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2024.

This Trip.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/95:00 pmSTL - ORD
1 stop14h 40mSouthern / Mokulele
Thu 12/128:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Deal found 10/29$115
This Booking.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/165:25 pmSTL - ORD
1 stop15h 07mFrontier
Mon 11/1810:57 amORD - STL
1 stop13h 02mFrontier
Deal found 10/30$118
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/512:15 pmSTL - ORD
1 stop3h 35mMultiple Airlines
Sun 12/87:25 amORD - STL
1 stop24h 48mMultiple Airlines
Deal found 10/28$126
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/510:15 amSTL - ORD
Nonstop1h 26mAmerican Airlines
Sun 12/88:50 pmORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 10/28$186
This Vliegwinkel deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/95:45 amSTL - ORD
Nonstop1h 27mAlaska Airlines
Thu 12/128:20 pmORD - STL
1 stop23h 35mAlaska Airlines
Deal found 10/29$189
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/185:34 pmSTL - ORD
1 stop6h 25mDelta
Mon 11/257:05 amORD - STL
2 stops11h 10mDelta
Deal found 10/29$201
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1210:10 amSTL - ORD
Nonstop1h 29mUnited Airlines
Fri 12/138:05 pmORD - STL
Nonstop1h 31mUnited Airlines
Deal found 10/28$203
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:15 amSTL - ORD
2 stops6h 55mSouthwest
Sun 12/85:45 amORD - STL
2 stops6h 55mSouthwest
Deal found 10/28$245
This FareScan deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/125:29 pmSTL - ORD
1 stop27h 19mSpirit Airlines
Sat 11/167:49 amORD - STL
2 stops32h 45mSpirit Airlines
Deal found 10/29$252

Find flights from St. Louis to O'Hare Intl within your budget

Customize your flight search to find flights from St. Louis to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$103 - $252

Route

Depart

Return

Price

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Thu 11/21

1 stop26h 10m

Chicago O'Hare Intl

Mon 11/25

1 stop14h 05m

$103

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Wed 11/13

1 stop16h 20m

Chicago O'Hare Intl

Wed 11/20

1 stop11h 33m

$112

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Mon 12/9

1 stop3h 35m

Chicago O'Hare Intl

Thu 12/12

1 stop24h 48m

$115

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Thu 12/5

Nonstop1h 26m

Chicago O'Hare Intl

Sun 12/8

Nonstop1h 23m

$186

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Mon 12/9

Nonstop1h 27m

Chicago O'Hare Intl

Thu 12/12

1 stop23h 35m

$189

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Fri 11/22

Nonstop1h 29m

Chicago O'Hare Intl

Sun 11/24

Nonstop1h 24m

$195

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Mon 11/18

1 stop6h 25m

Chicago O'Hare Intl

Mon 11/25

2 stops11h 10m

$201

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Thu 12/5

2 stops6h 55m

Chicago O'Hare Intl

Sun 12/8

2 stops6h 55m

$245

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Tue 11/12

1 stop27h 19m

Chicago O'Hare Intl

Sat 11/16

2 stops32h 45m

$252

Flights are sorted by cheapest first

Deals found on 10/29

Compare providers for flights from St. Louis to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to O'Hare Intl in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
PricelinePrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
Kiwi.comPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyNo Information

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to O'Hare Intl

Get recent, data-driven insights about flights from St. Louis to O'Hare Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to O'Hare Intl. Price data was last updated on October 25, 2024.

To ensure you get the cheapest price possible for a flight from St. Louis to Chicago O'Hare Intl Airport, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from St. Louis to Chicago O'Hare Intl Airport?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Chicago O'Hare Intl Airport (average of $232). Flying from St. Louis to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $308). 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.

What is the cheapest time of day to fly from STL to ORD?

Find hourly flight availability from St. Louis to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2024.

It’s typically best to fly out from St. Louis to Chicago O'Hare Intl Airport in the evening. Doing so could potentially save you 25% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated October 30, 2024.
Get a feel of what it's like to fly with Southern / Mokulele, American Airlines and Southwest from St. Louis to Chicago by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,118 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.1
Very good
5,118 reviews
8.1
Very good
5,118 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
9,418 reviews
8.1
Very good
5,118 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
8,836 reviews
8.1
Very good
5,118 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.4
Good
9,240 reviews
8.1
Very good
5,118 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.3
Good
10,000 reviews
8.1
Very good
5,118 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from St. Louis to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 39 flights from Lambert-St Louis to Chicago O'Hare Intl per day from 3 different airlines.

  • Can I find flights from St. Louis to Chicago O'Hare Intl Airport for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Chicago O'Hare Intl Airport for under $200. The cheapest flight booked recently is on Southern / Mokulele for just $103, but on average you can expect to pay $177.

  • Are there nonstop flights from St. Louis to Chicago O'Hare Intl Airport for under $200 on Cheapflights?

    Cheapflights has at least 2 direct flights from St. Louis to Chicago O'Hare Intl Airport under $200. A good price for a nonstop flight from St. Louis to Chicago O'Hare Intl Airport is less than $174.

  • Are there last-minute flights available from St. Louis to Chicago O'Hare Intl Airport for under $200?

    There are currently 7+ open flights from St. Louis to Chicago O'Hare Intl Airport within the next 7 days for less than $200.

  • What days are nonstop flights available from St. Louis to Chicago O'Hare Intl Airport?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Wednesday, Thursday, Friday, Saturday.

  • How many flights depart from St. Louis to Chicago O'Hare Intl Airport on average per day?

    On average, you can expect to see 99 flights from St. Louis to Chicago O'Hare Intl Airport a day.
    Early Morning (Midnight to 6am) - 9% of flight departures
    Morning (6am - Noon) - 53% of flight departures
    Afternoon (Noon - 6pm) - 33% of flight departures
    Evening (6pm - Midnight) - 5% of flight departures

  • How long is the flight from St. Louis to Chicago O'Hare Intl Airport?

    Southern / Mokulele, Frontier, and American Airlines can get you from St. Louis to Chicago O'Hare Intl Airport in just under 1h 26m. Your travel time can differ by up to 24h 44m. The distance between St. Louis and Chicago O'Hare Intl Airport is about 259 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Chicago O'Hare Intl Airport round-trip?

    Flying on Southern / Mokulele is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $103. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $112 and $186, respectively. Southern / Mokulele is 61% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for Southern / Mokulele. According to our data, you can fly for as low as $51. Users have also found prices from $62 and $89 on Frontier and United Airlines, respectively.

  • What are the most reliable airlines from St. Louis to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from St. Louis, check out the most reliable airlines to get you to your destination on time: Republic Airways (100%), SkyWest Airlines (99%), GoJet( 94%).

  • What are the cheapest flights from St. Louis to Chicago O'Hare Intl Airport?

    The cheapest flight price from St. Louis to Chicago O'Hare Intl Airport is $122. On average you can expect to pay $1,567. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $103.

  • What does STL to ORD mean?

    This is defined as Lambert-St Louis Airport (STL) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely.

  • Can I find deals for flights from St. Louis to O'Hare Intl that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to O'Hare Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to O'Hare Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to O'Hare Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on St. Louis to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to O'Hare Intl.

  • Can I find deals for business class flights from St. Louis to O'Hare Intl?

    Yes. Cheapflights offers flight deals from St. Louis to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to O'Hare Intl that allow pets onboard?

    Many airlines flying from St. Louis to O'Hare Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to O'Hare Intl?

    Yes, you can often find last-minute deals on St. Louis to O'Hare Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Chicago O'Hare Intl Airport flight deals updated?

    The St. Louis to Chicago O'Hare Intl Airport flight deals you see on this page were last updated on 10/30.

  • What is the cheapest month to book a flight from St. Louis to Chicago O'Hare Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Chicago O'Hare Intl Airport (average of $232). Flying from St. Louis to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $308). 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.

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Top 3 airlines flying from St. Louis to O'Hare Intl

Discover the top 3 airlines that operate flights from St. Louis to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$115Average$258FlexibilityNo cancel feeOn-time71%
Southern / MokuleleCheapest$118Average$178FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$120Average$305FlexibilityNo cancel feeOn-time69%
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