$79 Cheap Flights from Marion (MWA) to Chicago (ORD)

View $79 flight on Tue, Sep 30, 2025Opens in a new window

Popular airlines from Marion, IL (MWA-Williamson County Regional) to Chicago O'Hare Intl. Airport (ORD)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Marion to Chicago (MWA-ORD)

Prices were available within the past 7 days and start at $79 for one-way flights and $158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Contour Airlines
Wed, Oct 1 - Sat, Oct 18
MWA
Marion
ORD
Chicago
$158 Roundtrip, found 2 hours ago
$158
Roundtrip
found 2 hours ago
Select Contour Airlines flight, departing Wed, Oct 1 from Marion to Chicago, returning Sat, Oct 18, priced at $158 found 2 hours ago
Contour Airlines
Wed, Oct 29 - Wed, Nov 12
MWA
Marion
ORD
Chicago
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Contour Airlines flight, departing Wed, Oct 29 from Marion to Chicago, returning Wed, Nov 12, priced at $168 just found
Contour Airlines
Fri, Oct 17 - Sun, Oct 19
MWA
Marion
ORD
Chicago
$178 Roundtrip, found 1 hour ago
$178
Roundtrip
found 1 hour ago
Select Contour Airlines flight, departing Fri, Oct 17 from Marion to Chicago, returning Sun, Oct 19, priced at $178 found 1 hour ago
Contour Airlines
Wed, Nov 12 - Mon, Dec 1
MWA
Marion
ORD
Chicago
$188 Roundtrip, found 2 hours ago
$188
Roundtrip
found 2 hours ago
Select Contour Airlines flight, departing Wed, Nov 12 from Marion to Chicago, returning Mon, Dec 1, priced at $188 found 2 hours ago
Contour Airlines
Wed, Nov 12 - Sat, Nov 29
MWA
Marion
ORD
Chicago
$198 Roundtrip, found 2 hours ago
$198
Roundtrip
found 2 hours ago
Select Contour Airlines flight, departing Wed, Nov 12 from Marion to Chicago, returning Sat, Nov 29, priced at $198 found 2 hours ago
Contour Airlines
Tue, Sep 23 - Fri, Oct 10
MWA
Marion
ORD
Chicago
$208 Roundtrip, found 2 hours ago
$208
Roundtrip
found 2 hours ago
Select Contour Airlines flight, departing Tue, Sep 23 from Marion to Chicago, returning Fri, Oct 10, priced at $208 found 2 hours ago
Contour Airlines
Thu, Aug 28 - Mon, Sep 1
MWA
Marion
ORD
Chicago
$218 Roundtrip, found 2 hours ago
$218
Roundtrip
found 2 hours ago
Select Contour Airlines flight, departing Thu, Aug 28 from Marion to Chicago, returning Mon, Sep 1, priced at $218 found 2 hours ago
Contour Airlines
Tue, Sep 16 - Wed, Oct 1
MWA
Marion
ORD
Chicago
$228 Roundtrip, found 2 hours ago
$228
Roundtrip
found 2 hours ago
Select Contour Airlines flight, departing Tue, Sep 16 from Marion to Chicago, returning Wed, Oct 1, priced at $228 found 2 hours ago
Contour Airlines
Tue, Sep 16 - Tue, Sep 30
MWA
Marion
ORD
Chicago
$238 Roundtrip, found 2 hours ago
$238
Roundtrip
found 2 hours ago
Select Contour Airlines flight, departing Tue, Sep 16 from Marion to Chicago, returning Tue, Sep 30, priced at $238 found 2 hours ago
Contour Airlines
Thu, Jul 31 - Mon, Aug 11
MWA
Marion
ORD
Chicago
$248 Roundtrip, found 15 hours ago
$248
Roundtrip
found 15 hours ago
Select Contour Airlines flight, departing Thu, Jul 31 from Marion to Chicago, returning Mon, Aug 11, priced at $248 found 15 hours ago
Contour Airlines
Thu, Jul 31 - Tue, Aug 5
MWA
Marion
ORD
Chicago
$268 Roundtrip, found 15 hours ago
$268
Roundtrip
found 15 hours ago
Select Contour Airlines flight, departing Thu, Jul 31 from Marion to Chicago, returning Tue, Aug 5, priced at $268 found 15 hours ago
Contour Airlines
Mon, Aug 4 - Wed, Aug 6
MWA
Marion
ORD
Chicago
$298 Roundtrip, found 2 hours ago
$298
Roundtrip
found 2 hours ago
Select Contour Airlines flight, departing Mon, Aug 4 from Marion to Chicago, returning Wed, Aug 6, priced at $298 found 2 hours ago

Find the cheapest month to fly from Marion (MWA) to Chicago (ORD)

October is typically the cheapest month to fly

From $118 - $198 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $158
ORD
O'Hare Intl.
Cheapest
Average driving time to city center23 min
Flights from $158
Flights from Marion (MWA) to Chicago (ORD)
Origin airport
Williamson County Regional
Destination airport
O'Hare Intl.
Airlines serving
Contour Airlines
Roundtrip price
$158
Distance
298 mi
Average flight time
1 hour 35 mins

Marion to Chicago Flights

The cheapest times to fly from Marion to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Marion to Chicago are during the month of October. You can find some of the cheapest flights from Marion to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Marion to Chicago

Sunday is one of the best days to book for cheap flights from Marion to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Marion to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Marion to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Marion to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Marion to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD) cost?
Cheap round-trip flights from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD) start at $158. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Contour Airlines flight leaving MWA on August 8 2025 and touching down at ORD. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from MWA to ORD?
The cheapest flights from MWA to ORD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD)?
You can travel nonstop from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD) on a Contour Aviation flight.
What is the cheapest airline that flies from MWA to ORD?
With prices as low as $80 for a one-way journey from MWA to ORD, Contour Airlines is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MWA on September 4 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD)?
On average, Williamson County Regional Airport (MWA) only offers 1 nonstop flight to O'Hare Intl. Airport (ORD) each day. For additional options, try Expedia's easy-to-use filter tool. Enter your dates, then click on "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD)?
Flights between MWA and ORD are busiest at 7 AM. If you'd like a less crowded experience and potentially cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from MWA to ORD?
If you fly on a Friday, you'll get the greatest range of options for flights from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD).
What is the earliest flight from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD)?
Williamson County Regional Airport (MWA)'s first flight to O'Hare Intl. Airport (ORD) takes off at approximately 7:15AM UTC-6. With a total journey time of 1h 35m, you'll land at around 8:50AM UTC-6.
How long does it take to fly from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD)?
It takes roughly 1 hour and 35 minutes to cover the 300 mi from MWA to ORD.
What airline has the least delays from MWA to ORD?
With 88% of journeys generally arriving on schedule, Contour Aviation has the best on-time performance for direct flights from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD). To monitor your flight status and receive notifications about any changes, head to the Expedia App.
What is the best time to fly from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD)?
Choose a flight from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD) that takes off before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Chicago from Williamson County Regional Airport (MWA)?
If you're boarding a direct flight from Williamson County Regional Airport (MWA) to Chicago, O'Hare Intl. Airport (ORD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD) last-minute?
Waiting until just before your trip to book your flight from MWA to ORD generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a MWA to ORD flight and hotel package?
Opting for a MWA to ORD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Williamson County Regional Airport (MWA) to O'Hare Intl. Airport (ORD)?
If you reserved your MWA to ORD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.