Cheap flights from St. Louis (STL) to O'Hare Intl (ORD) from $49

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 5/22. 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.
STL — ORD
Mar 23 — Mar 301

The best prices from Lambert-St Louis to Chicago O'Hare Intl are usually found in January or December, booked 77 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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 March 19, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$223

One-way from

$69
High demand for flights, 21% potential price rise
Best time to find cheap flights, 14% potential price drop
From Lambert-St Louis to Chicago O'Hare Intl
One-way flight from Lambert-St Louis to Chicago O'Hare Intl

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

Tuesday is generally a great day to depart. Flying on this day could help you save up to 41%.

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

Users have found that booking a flight from St. Louis to Chicago O'Hare Intl Airport at least 48 days early can save you up to 98% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from St. Louis to Chicago O'Hare Intl Airport for as little as $270 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $447 for flights departing within the next 3 days.

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

February can be a great time to fly to Chicago O'Hare Intl Airport from St. Louis with a flight ticket averaging about $271. Cheapflights users have found deals in the month of February for as cheap as $167. The most expensive prices can be found in the month of May.

When is the cheapest time to fly from St. Louis to Chicago O'Hare Intl Airport (STL - ORD)?

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 49% on the flight price compared to flying at noon, which is usually more expensive.

Cheap American Airlines flights from St. Louis to O'Hare Intl

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and O'Hare Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from St. Louis to Chicago. It's recommended that users confirm their flight details before booking.
Wed 5/16:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/17$93
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$97
Sat 4/205:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Tue 4/239:54 amORD - STL
Nonstop1h 22mAmerican Airlines
Deal found 3/18$99
Sat 4/205:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$108
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$117
Wed 4/176:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/217:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/17$118
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$125
Sat 4/206:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/215:30 amORD - STL
1 stop4h 43mAmerican Airlines
Deal found 3/18$126
Fri 4/196:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Tue 4/237:30 amORD - STL
1 stop5h 00mAmerican Airlines
Deal found 3/17$135

Cheap United Airlines flights from St. Louis to O'Hare Intl

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and O'Hare Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Browse through some of the cheapest United Airlines flights traveling from St. Louis to Chicago. Make sure to examine the flight information before completing your reservation.
Mon 4/85:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Tue 4/92:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/17$107
Fri 4/2611:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Sun 4/2812:57 pmORD - STL
Nonstop1h 26mUnited Airlines
Deal found 3/17$128
Sun 4/146:00 amSTL - ORD
Nonstop1h 31mUnited Airlines
Wed 4/172:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/17$138
Tue 5/711:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Sun 5/262:20 pmORD - STL
Nonstop1h 21mUnited Airlines
Deal found 3/18$158
Sat 4/208:05 amSTL - ORD
Nonstop1h 31mUnited Airlines
Wed 5/152:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/18$159
Mon 5/65:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Thu 5/3012:50 pmORD - STL
Nonstop1h 24mUnited Airlines
Deal found 3/18$178
Sat 4/208:05 amSTL - ORD
Nonstop1h 31mUnited Airlines
Sun 5/1212:57 pmORD - STL
Nonstop1h 26mUnited Airlines
Deal found 3/18$179
Tue 5/711:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Tue 5/2812:50 pmORD - STL
Nonstop1h 24mUnited Airlines
Deal found 3/18$202
Fri 5/35:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Sat 5/182:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/18$218

Cheap St. Louis to O'Hare Intl flights in March & April 2024

Find cheap flight options from St. Louis to O'Hare Intl specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Check out some of the best flight deals from St. Louis to Chicago in 2024. More deals are always being added, so be sure to check back regularly.
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$97
Tue 4/305:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Wed 5/17:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/18$99
Mon 4/85:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Tue 4/92:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/17$107
Sat 4/205:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$108
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$117
Wed 4/176:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/217:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/17$118
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$125
Sat 4/206:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/215:30 amORD - STL
1 stop4h 43mAmerican Airlines
Deal found 3/18$126
Wed 4/105:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Wed 4/173:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/18$127

St. Louis to O'Hare Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and O'Hare Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out some of the best flight deals from St. Louis to Chicago in 2024. More deals are always being added, so be sure to check back regularly.
Wed 5/16:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/17$93
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$97
Tue 4/305:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Wed 5/17:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/18$99
Mon 4/85:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Tue 4/92:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/17$107
Sat 4/205:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$108
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$117
Wed 4/176:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/217:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/17$118
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$125
Sat 4/206:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/215:30 amORD - STL
1 stop4h 43mAmerican Airlines
Deal found 3/18$126

Non-stop flights to O'Hare Intl from St. Louis

Discover non-stop flight options from St. Louis to O'Hare Intl. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the direct flights traveling from St. Louis to Chicago in the near future. Users seeking other options on flights from St. Louis to Chicago should update the search form at the top of the page.
Wed 5/16:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/17$93
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$97
Tue 4/305:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Wed 5/17:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/18$99
Mon 4/85:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Tue 4/92:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/17$107
Sat 4/205:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$108
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$117
Wed 4/176:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/217:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/17$118
Fri 4/2611:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Sun 4/2812:57 pmORD - STL
Nonstop1h 26mUnited Airlines
Deal found 3/17$128
Fri 7/56:13 pmSTL - ORD
Nonstop1h 20mAmerican Airlines
Tue 7/94:09 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/17$137

St. Louis to O'Hare Intl flights leaving soon

Find last-minute flight options from St. Louis to O'Hare Intl 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 3,145,932 searches. Data last updated March 19, 2024.
Check out these flights departing soon from St. Louis to Chicago. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 3/283:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Sun 3/315:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/16$176
Mon 3/253:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Fri 3/295:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/17$180
Sat 3/239:35 amSTL - ORD
1 stop7h 05mSouthern / Mokulele
Tue 3/265:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/17$183
Sat 3/239:35 amSTL - ORD
1 stop7h 05mSouthern / Mokulele
Wed 3/275:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/18$184
Tue 3/263:55 pmSTL - ORD
1 stop15h 30mSouthern / Mokulele
Thu 3/285:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/18$186
Mon 3/253:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Thu 3/285:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/17$187
Sat 3/239:35 amSTL - ORD
1 stop21h 50mSouthern / Mokulele
Sun 3/247:45 pmORD - STL
1 stop24h 35mSouthern / Mokulele
Deal found 3/18$197
Sun 3/243:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Sun 3/315:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/17$198
Tue 3/262:25 pmSTL - ORD
2 stops18h 01mMultiple Airlines
Wed 3/275:15 pmORD - STL
1 stop3h 05mMultiple Airlines
Deal found 3/18$234

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

Search for one-way flight options from St. Louis to O'Hare Intl. 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 3,145,932 searches. Data last updated March 19, 2024.
Users traveling one-way from St. Louis to Chicago can select one of these great deals. Users in need of a round-trip flight from St. Louis to Chicago instead should update the search form at the top of page.
Wed 5/225:55 amSTL - ORD
Nonstop1h 16mAmerican Airlines
Deal found 3/17$49
Sat 5/46:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Deal found 3/16$50
Sat 4/136:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Deal found 3/17$59
Tue 4/164:50 pmSTL - ORD
1 stop8h 06mFrontier
Deal found 3/17$68
Tue 4/304:50 pmSTL - ORD
1 stop8h 06mFrontier
Deal found 3/18$69
Fri 5/35:51 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Deal found 3/18$70
Tue 4/28:24 pmSTL - ORD
1 stop15h 37mMultiple Airlines
Deal found 3/18$75
Sat 5/47:10 amSTL - ORD
1 stop5h 14mAmerican Airlines
Deal found 3/16$77
Sat 4/1310:01 amSTL - ORD
1 stop6h 46mDelta
Deal found 3/17$78

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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$93 - $203

Route

Depart

Return

Price

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Wed 5/1

Nonstop1h 19m

Chicago O'Hare Intl

Wed 5/1

Nonstop1h 23m

$93

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Wed 4/24

Nonstop1h 19m

Chicago O'Hare Intl

Sun 5/26

Nonstop1h 13m

$97

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Sat 4/20

Nonstop1h 15m

Chicago O'Hare Intl

Tue 4/23

Nonstop1h 22m

$99

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Mon 4/8

Nonstop1h 20m

Chicago O'Hare Intl

Tue 4/9

Nonstop1h 22m

$107

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Fri 4/26

Nonstop1h 21m

Chicago O'Hare Intl

Sun 4/28

Nonstop1h 26m

$128

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Wed 4/24

1 stop4h 50m

Chicago O'Hare Intl

Wed 5/15

1 stop4h 23m

$156

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Tue 4/23

1 stop8h 06m

Chicago O'Hare Intl

Thu 5/16

1 stop3h 05m

$169

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Mon 4/1

1 stop3h 15m

Chicago O'Hare Intl

Tue 4/2

1 stop3h 05m

$174

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Thu 4/11

1 stop15h 14m

Chicago O'Hare Intl

Mon 4/15

2 stops26h 21m

$203

Flights are sorted by cheapest first

Deals found on 3/17

When is the best time to 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 January 28, 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 77 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.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to O'Hare Intl. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Chicago O'Hare Intl Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to O'Hare Intl by month

Plan your trip from St. Louis to O'Hare Intl by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to O'Hare Intl is currently $66 while a round-trip flight costs $136. Price data was last updated on March 10, 2024.

Currently, February is the cheapest month in which you can book a flight from St. Louis to Chicago O'Hare Intl Airport (average of $245). Flying from St. Louis to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $361). 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.

January

$248

February

$245

March

$280

April

$288

May

$292

June

$361

July

$338

August

$276

September

$258

October

$248

November

$271

December

$248

Temperature and rainfall in O'Hare Intl by month

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

CHI

Temperature

23 - 73.4 °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 March 19, 2024.
Get a feel of what it's like to fly with American Airlines, United Airlines and Delta 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
11,551 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,551 reviews
8.1
Very good
11,551 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,618 reviews
8.1
Very good
11,551 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
15,312 reviews
8.1
Very good
11,551 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
704 reviews
8.1
Very good
11,551 reviews

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

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 47 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 $100 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Chicago O'Hare Intl Airport for under $100. The cheapest flight booked recently is on American Airlines for just $93, but on average you can expect to pay $126.

  • Are there nonstop flights from St. Louis to Chicago O'Hare Intl Airport for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Chicago O'Hare Intl Airport under $100. A good price for a nonstop flight from St. Louis to Chicago O'Hare Intl Airport is less than $135.

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

    There are currently 20+ 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: Monday, Tuesday, Wednesday, 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 19 flights from St. Louis to Chicago O'Hare Intl Airport a day.
    Morning (6am - Noon) - 37% of flight departures
    Afternoon (Noon - 6pm) - 47% of flight departures
    Evening (6pm - Midnight) - 16% of flight departures

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

    American Airlines, United Airlines, and Delta can get you from St. Louis to Chicago O'Hare Intl Airport in just under 1h 19m. Your travel time can differ by up to 3h 31m. 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 American Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $93. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $107 and $156, respectively. American Airlines is 66% 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 American Airlines. According to our data, you can fly for as low as $49. Users have also found prices from $68 and $78 on Frontier and Delta, respectively.

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

  • 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: SkyWest Airlines (89%), Emirates (89%), Copa Airlines( 89%).

  • 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 $88. On average you can expect to pay $1,045. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $136.

  • 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.

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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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$99Average$161FlexibilityNo cancel feeOn-timeN/A
Search Southern / Mokulele flights
United AirlinesCheapest$133Average$292FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$169Average$279FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from St. Louis to O'Hare Intl by cabin class

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

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

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 March 19, 2024.
14%of flight departuresEarly morningMidnight to 6 am
29%of flight departuresMorning6 am to noon
57%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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

Explore weekly flight availability from St. Louis to O'Hare Intl. 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 March 19, 2024.
Sunday51daily flights
Monday52daily flights
Tuesday41daily flights
Wednesday41daily flights
Thursday50daily flights
Friday52daily flights
Saturday42daily flights

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