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Cheap flights from O'Hare Intl (ORD) to St. Louis (STL) from $58

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — STL
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
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The best prices from Chicago O'Hare Intl to Lambert-St Louis are usually found in October or September, booked 67 days in advance, depart on a Friday or Wednesday and return on a Tuesday

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

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to St. Louis (STL). 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 June 10, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$318

One-way from

$93
High demand for flights, 13% potential price rise
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Best time to find cheap flights, 19% potential price drop
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From Chicago O'Hare Intl to Lambert-St Louis
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One-way flight from Chicago O'Hare Intl to Lambert-St Louis
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What is the cheapest day to fly round-trip from Chicago O'Hare Intl Airport to St. Louis?

Travelers have found that booking a Thursday departure is the best way to save up to 41% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Find a great deal and save up to 166% by booking at least 51 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago O'Hare Intl Airport to St. Louis within the next two weeks, with the cheapest ticket starting at $240.

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

Our data shows that September tends to be the cheapest month to fly to St. Louis from Chicago O'Hare Intl Airport. Users have commonly found prices around $273 for the month, but tickets can be as low as $128. Due to multiple factors, prepare for potentially higher prices in January.

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

It’s typically best to fly out from Chicago O'Hare Intl Airport to St. Louis in the afternoon. Doing so could potentially save you 38% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap O'Hare Intl to St. Louis flights in June & July 2024

Find cheap flight options from O'Hare Intl to St. Louis specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Prices were last updated on June 10, 2024.
These are some of the most attractive deals on flights from Chicago to St. Louis in 2024. Check back regularly for other flight deals.
Thu 7/118:15 amORD - STL
1 stop8h 30mSouthern / Mokulele
Thu 7/1812:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/10$112
Thu 6/208:23 pmORD - STL
1 stop14h 19mFrontier
Sat 6/223:08 pmSTL - ORD
1 stop8h 55mFrontier
Deal found 6/10$114
Thu 7/119:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Sat 7/1312:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Deal found 6/9$117
Sat 6/226:41 amORD - STL
1 stop7h 37mFrontier
Tue 6/253:47 pmSTL - ORD
1 stop8h 53mFrontier
Deal found 6/9$118
Sun 6/168:20 pmORD - STL
1 stop15h 25mMultiple Airlines
Tue 6/183:47 pmSTL - ORD
1 stop8h 53mMultiple Airlines
Deal found 6/9$119
Wed 6/129:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Sat 6/1512:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Deal found 6/10$121
Wed 6/129:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Mon 6/1712:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/10$122
Thu 6/138:15 amORD - STL
1 stop8h 30mSouthern / Mokulele
Thu 6/2012:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Deal found 6/9$123
Thu 6/138:15 amORD - STL
1 stop8h 30mSouthern / Mokulele
Sat 6/1512:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/9$124

O'Hare Intl to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between O'Hare Intl and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
These are some of the most attractive deals on flights from Chicago to St. Louis in 2024. Check back regularly for other flight deals.
Fri 8/169:25 pmORD - STL
1 stop14h 05mSouthern / Mokulele
Sat 8/3112:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/10$110
Thu 7/118:15 amORD - STL
1 stop8h 30mSouthern / Mokulele
Thu 7/1812:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/10$112
Thu 6/208:23 pmORD - STL
1 stop14h 19mFrontier
Sat 6/223:08 pmSTL - ORD
1 stop8h 55mFrontier
Deal found 6/10$114
Sun 11/38:20 pmORD - STL
1 stop23h 35mSouthern / Mokulele
Wed 11/2012:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/9$116
Thu 7/119:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Sat 7/1312:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Deal found 6/9$117
Sat 6/226:41 amORD - STL
1 stop7h 37mFrontier
Tue 6/253:47 pmSTL - ORD
1 stop8h 53mFrontier
Deal found 6/9$118
Sun 6/168:20 pmORD - STL
1 stop15h 25mMultiple Airlines
Tue 6/183:47 pmSTL - ORD
1 stop8h 53mMultiple Airlines
Deal found 6/9$119
Wed 6/129:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Sat 6/1512:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Deal found 6/10$121
Wed 6/129:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Mon 6/1712:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/10$122

O'Hare Intl to St. Louis flights leaving soon

Find last-minute flight options from O'Hare Intl to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
Have a look at some of the flights available from Chicago to St. Louis departing last-minute. Tip: verify your flight details before completing your reservation.
Thu 6/208:23 pmORD - STL
1 stop14h 19mFrontier
Sat 6/223:08 pmSTL - ORD
1 stop8h 55mFrontier
Deal found 6/10$114
Sun 6/168:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Mon 6/172:00 pmSTL - ORD
1 stop17h 40mSouthern / Mokulele
Deal found 6/9$117
Sun 6/168:20 pmORD - STL
1 stop15h 25mMultiple Airlines
Tue 6/183:47 pmSTL - ORD
1 stop8h 53mMultiple Airlines
Deal found 6/9$119
Sat 6/158:20 pmORD - STL
1 stop15h 25mMultiple Airlines
Mon 6/1710:36 pmSTL - ORD
1 stop11h 55mMultiple Airlines
Deal found 6/10$128
Thu 6/208:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Sun 6/2312:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/10$130
Sun 6/168:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Mon 6/175:00 pmSTL - ORD
1 stop14h 40mSouthern / Mokulele
Deal found 6/9$139
Wed 6/197:05 amORD - STL
1 stop5h 55mSouthern / Mokulele
Sat 6/2212:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Deal found 6/10$141
Tue 6/186:00 amORD - STL
1 stop8h 47mMultiple Airlines
Fri 6/214:45 pmSTL - ORD
1 stop3h 52mMultiple Airlines
Deal found 6/9$145
Sat 6/1512:30 pmORD - STL
1 stop18h 30mSouthern / Mokulele
Sun 6/1612:00 pmSTL - ORD
1 stop19h 40mSouthern / Mokulele
Deal found 6/9$148

One-way flights to St. Louis from O'Hare Intl

Search for one-way flight options from O'Hare Intl to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
Take a look at some of the one-way flights we've detected from Chicago to St. Louis. Those needing a return flight from Chicago to St. Louis can use the search form above.
Wed 7/104:06 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 6/9$58
Tue 7/94:06 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 6/9$59
Mon 6/248:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Deal found 6/10$61
Sun 11/38:20 pmORD - STL
1 stop23h 35mSouthern / Mokulele
Deal found 6/9$62
Tue 6/258:23 pmORD - STL
1 stop14h 19mFrontier
Deal found 6/9$64
Sat 9/79:25 pmORD - STL
1 stop14h 05mSouthern / Mokulele
Deal found 6/9$65
Sun 6/169:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Deal found 6/9$66
Thu 6/279:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Deal found 6/10$67
Fri 6/288:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Deal found 6/10$68

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

Customize your flight search to find flights from O'Hare Intl to St. Louis 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 3,080,152 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$116 - $220

Route

Depart

Return

Price

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sun 11/3

1 stop23h 35m

Lambert-St Louis

Wed 11/20

1 stop3h 35m

$116

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 7/11

1 stop19h 20m

Lambert-St Louis

Sat 7/13

1 stop4h 10m

$117

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 6/22

1 stop7h 37m

Lambert-St Louis

Tue 6/25

1 stop8h 53m

$118

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 8/28

1 stop23h 35m

Lambert-St Louis

Thu 9/12

1 stop4h 10m

$121

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 7/31

Nonstop1h 15m

Lambert-St Louis

Sat 8/3

Nonstop1h 21m

$127

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 7/11

Nonstop1h 20m

Lambert-St Louis

Sat 7/13

Nonstop1h 25m

$137

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Tue 7/9

1 stop14h 56m

Lambert-St Louis

Tue 7/16

1 stop3h 35m

$139

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Fri 9/13

1 stop24h 00m

Lambert-St Louis

Mon 9/16

2 stops15h 37m

$174

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 8/24

1 stop5h 40m

Lambert-St Louis

Sun 8/25

2 stops6h 35m

$220

Flights are sorted by cheapest first

Deals found on 6/9

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to St. Louis. Price data was last updated on May 31, 2024.
The price you pay for your flight from Chicago O'Hare Intl Airport to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Chicago O'Hare Intl Airport to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to St. Louis. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to St. Louis flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from O'Hare Intl 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.

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 10, 2024.
Get a feel of what it's like to fly with Southern / Mokulele, United Airlines and Frontier from Chicago to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Delta
8.0
Very good
10,295 reviews
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

United Airlines
7.4
Good
10,647 reviews
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

American Airlines
7.3
Good
14,138 reviews
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Spirit Airlines
6.4
Okay
8,544 reviews
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to St. Louis. 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 into for flights to St. Louis from Chicago O'Hare Intl?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Chicago O'Hare Intl. On average, Lambert-St Louis has 42 inbound flights from Chicago O'Hare Intl per day from 3 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    Yes, there are multiple flights from Chicago O'Hare Intl Airport to St. Louis for under $200. The cheapest flight booked recently is on Southern / Mokulele for just $116, but on average you can expect to pay $133.

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

    Cheapflights has at least 20 direct flights from Chicago O'Hare Intl Airport to St. Louis under $200. A good price for a nonstop flight from Chicago O'Hare Intl Airport to St. Louis is less than $201.

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

    There are currently 20+ open flights from Chicago O'Hare Intl Airport to St. Louis within the next 7 days for less than $200.

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

    You can find nonstop flights on the following days: Friday.

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

    3 flight departures from Chicago O'Hare Intl Airport to St. Louis per day on average.
    Morning (6am - Noon) - 100% of flight departures

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

    Southern / Mokulele, Frontier, and American Airlines can get you from Chicago O'Hare Intl Airport to St. Louis in just under 1h 15m. Your travel time can differ by up to 22h 20m. Airlines will cover a distance of 259 mi. This flight may include one or multiple stops.

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

    Flying on Southern / Mokulele is currently your cheapest option to St. Louis, with prices starting at $116. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $118 and $127, respectively. Southern / Mokulele is 58% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $58 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Southern / Mokulele and Frontier, with prices starting from $61 and $64, respectively.

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

    Before booking your flight to St. Louis from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Air New Zealand (85%), Air Canada( 85%).

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

    While on average a flight from Chicago O'Hare Intl Airport to St. Louis is generally $244, our data shows the cheapest flight currently is $58. When looking at the most popular route, (Chicago O'Hare Intl - Lambert-St Louis), you can expect to pay $112 for that flight.

  • What does ORD to STL mean?

    ORD stands for Chicago O'Hare Intl Airport, while STL stands for Lambert-St Louis Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    The amount of baggage you can bring on your O'Hare Intl to St. Louis 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 O'Hare Intl to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter O'Hare Intl to St. Louis 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 O'Hare Intl to St. Louis that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to St. Louis 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 O'Hare Intl to St. Louis that allow pets onboard?

    Many airlines flying from O'Hare Intl to St. Louis 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 O'Hare Intl to St. Louis?

    Yes, you can often find last-minute deals on O'Hare Intl to St. Louis 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 Chicago O'Hare Intl Airport to St. Louis flight deals updated?

    The Chicago O'Hare Intl Airport to St. Louis flight deals you see on this page were last updated on 6/10.

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

    Before booking your flight from Chicago O'Hare Intl Airport to St. Louis check out the most popular airlines for this route: Southern / Mokulele, American Airlines or United Airlines.

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

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to St. Louis (average of $318). Flying from Chicago O'Hare Intl Airport to St. Louis in July is currently the most expensive (average of $365). 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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Alternative routes for O'Hare Intl to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

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

Discover the top 3 airlines that operate flights from O'Hare Intl to St. Louis. 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 3,080,152 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$98Average$277FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$130Average$290FlexibilityNo cancel feeOn-time69%
Southern / MokuleleCheapest$144Average$169FlexibilityNo cancel feeOn-timeN/A
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Search flights from O'Hare Intl to St. Louis by cabin class

Find flights from O'Hare Intl to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from O'Hare Intl to St. Louis

Find hourly flight availability from O'Hare Intl to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2024.
1%of flight departuresEarly morningMidnight to 6 am
31%of flight departuresMorning6 am to noon
28%of flight departuresAfternoonNoon to 6 pm
40%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from O'Hare Intl to St. Louis

Explore weekly flight availability from O'Hare Intl to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 10, 2024.
Sunday44daily flights
Monday47daily flights
Tuesday39daily flights
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