Cheap flights To St. Charles (CHI) from $34

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Cheap Flights to St. Charles from $34 One Way, $68 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Tue, May 5 - Wed, May 13
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$68 Roundtrip, found 18 hours ago
$68
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Tue, May 5 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Wed, May 13, priced at $68 found 18 hours ago
Wed, Aug 19 - Tue, Aug 25
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$76 Roundtrip, found 1 day ago
$76
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 19 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Tue, Aug 25, priced at $76 found 1 day ago
Mon, Jun 1 - Fri, Jun 5
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$82 Roundtrip, found 13 hours ago
$82
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Jun 1 from Dallas-Fort Worth Intl. to Midway Intl., returning Fri, Jun 5, priced at $82 found 13 hours ago
Mon, Aug 10 - Tue, Aug 18
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$85 Roundtrip, found 3 days ago
$85
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Aug 10 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, Aug 18, priced at $85 found 3 days ago
Tue, Aug 11 - Tue, Aug 18
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$118 Roundtrip, found 9 hours ago
$118
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Tue, Aug 11 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, Aug 18, priced at $118 found 9 hours ago
Sat, Aug 22 - Tue, Sep 1
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$119 Roundtrip, found 3 days ago
$119
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Sep 1, priced at $119 found 3 days ago
Mon, May 11 - Wed, May 20
BWI
Baltimore Washington Intl. Thurgood Marshall
ORD
O'Hare Intl.
$127 Roundtrip, found 3 days ago
$127
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, May 11 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Wed, May 20, priced at $127 found 3 days ago
Sat, May 23 - Sat, May 30
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$137 Roundtrip, found 7 hours ago
$137
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Sat, May 23 from Los Angeles Intl. to O'Hare Intl., returning Sat, May 30, priced at $137 found 7 hours ago
Tue, May 12 - Thu, May 14
BWI
Baltimore Washington Intl. Thurgood Marshall
MDW
Midway Intl.
$140 Roundtrip, found 5 days ago
$140
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, May 12 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Thu, May 14, priced at $140 found 5 days ago
Thu, Apr 30 - Sun, May 3
EWR
Newark Liberty Intl. Airport
MDW
Midway Intl.
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Apr 30 from Newark Liberty Intl. Airport to Midway Intl., returning Sun, May 3, priced at $171 found 3 days ago

St. Charles Flight Information

Traveling To
St. Charles
Destination Airport IATA Code
CHI
Number of Airlines Serving
Airlines
Frontier Airlines, Spirit Airlines, American Airlines
Flight Price
$68
Earliest Departing Flight
Latest Departing Flight

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St. Charles economy flight packages

Price found within the past 48 hours. Click for updated prices.
Illinois Beach Hotel
2.0-star property

Illinois Beach Hotel

Jun 5 - Jun 10

5 night stay

Minneapolis (MSP) to Chicago (ORD)

Sun Country Airlines • Coach

Chicago (ORD) to Minneapolis (MSP)

Delta • Coach
Price was $628, price is now $441 per person
$441
per person
found 1 day ago
Sable at Navy Pier Chicago, Curio Collection by Hilton
4.0-star property

Sable at Navy Pier Chicago, Curio Collection by Hilton

Jun 4 - Jun 9

5 night stay

Los Angeles (LAX) to Chicago (ORD)

American Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $2,737, price is now $1,648 per person
$1,648
per person
found 1 day ago
Level Chicago - River North
4.0-star property

Level Chicago - River North

Jun 4 - Jun 9

5 night stay

Los Angeles (LAX) to Chicago (ORD)

American Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $2,596, price is now $1,715 per person
$1,715
per person
found 1 day ago
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St. Charles business class flight packages

Price found within the past 48 hours. Click for updated prices.
Level Chicago Fulton Market
4.0-star property

Level Chicago Fulton Market

9.2/10 Wonderful! (455 reviews)

May 27 - May 31

4 night stay

Philadelphia (PHL) to Chicago (ORD)

Frontier Airlines • Non-stop roundtrip • BusinessClass
Save 100% on your flight
Price was $1,890, price is now $1,359 per person
$1,359
per person
found 12 hours ago
Hotel Felix River North/Magnificent Mile
4.0-star property

Hotel Felix River North/Magnificent Mile

8.2/10 Very Good! (2,636 reviews)

May 27 - May 31

4 night stay

Philadelphia (PHL) to Chicago (ORD)

Frontier Airlines • Non-stop roundtrip • BusinessClass
Price was $1,836, price is now $1,421 per person
$1,421
per person
found 12 hours ago
great location. clean. convenient

Reviewed on Apr 27, 2026

InterContinental Chicago Magnificent Mile by IHG
4.5-star property

InterContinental Chicago Magnificent Mile by IHG

9.2/10 Wonderful! (3,002 reviews)

May 27 - May 31

4 night stay

Philadelphia (PHL) to Chicago (ORD)

Frontier Airlines • Non-stop roundtrip • BusinessClass
Save 100% on your flight
Price was $2,113, price is now $1,638 per person
$1,638
per person
found 12 hours ago
Good location and friendly staff! The shower wasn’t very hot and the city view we paid for was far from a city view!

Reviewed on Mar 18, 2026

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St. Charles first class flight packages

Price found within the past 48 hours. Click for updated prices.
Staypineapple, An Iconic Hotel, The Loop
4.0-star property

Staypineapple, An Iconic Hotel, The Loop

9.4/10 Exceptional! (1,048 reviews)

Jun 14 - Jun 17

3 night stay

Minneapolis (MSP) to Chicago (ORD)

American Airlines • FirstClass

Chicago (ORD) to Minneapolis (MSP)

United • FirstClass
Price was $920, price is now $693 per person
$693
per person
found 9 hours ago
Great looking iconic property.

Reviewed on Mar 22, 2026

Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

9.4/10 Exceptional! (3,914 reviews)

Jun 14 - Jun 17

3 night stay

Minneapolis (MSP) to Chicago (ORD)

American Airlines • FirstClass

Chicago (ORD) to Minneapolis (MSP)

United • FirstClass
Price was $1,082, price is now $794 per person
$794
per person
found 9 hours ago
Great location, clean, and great breakfast buffet

Reviewed on Mar 8, 2026

The Royal Sonesta Chicago River North
4.5-star property

The Royal Sonesta Chicago River North

9.2/10 Wonderful! (2,550 reviews)

Jun 14 - Jun 17

3 night stay

Minneapolis (MSP) to Chicago (ORD)

American Airlines • FirstClass

Chicago (ORD) to Minneapolis (MSP)

United • FirstClass
Price was $937, price is now $737 per person
$737
per person
found 9 hours ago
We received liked the service the staff provided, particularly Shanda.

Reviewed on Jul 20, 2025

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St. Charles

If you are looking for affordable flights to St. Charles, look no further. Orbitz offers discounted rates to many destinations.

Bargain flights to St. Charles now available

As you review your budget and travel plans, consider the low fares Orbitz offers on St. Charles flights. With Orbitz, booking flights to St. Charles is easy and the lowest prices are guaranteed.

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Orbitz offers cutting edge mobile tools that allow you to review and make bookings from your Android or iPhone mobile device with a simple application. You can easily and conveniently update your information or book your trip using this service. You are also able to obtain information on affordable hotel packages and receive frequent flight updates. You will receive confirmation of bookings or reservations made using the mobile service on the same day of the request. Change details or receive updates on your St. Charles flights by visiting the Orbitz site or mobile application.

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Traveler profile updates

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Frequently asked questions

Which airlines fly to St. Charles?
With 20 airlines offering services to O'Hare Intl. Airport (ORD), a major gateway to St. Charles, the choice is all yours. Grab a fabulous deal among these top international carriers that'll get you to this city:

  • United Airlines - 612 flights to St. Charles per month
  • American Airlines - 339 flights to St. Charles per month
  • Air Canada - 190 flights to St. Charles per month

What is the best airport to fly to in St. Charles?
Keep your eyes open for an amazing flight deal to O'Hare Intl. Airport (ORD). It's the city's main terminal and is situated roughly 25 miles east of the center. Once you've walked out of arrivals, it won't be long before you're soaking up the delights of St. Charles.
How much is a flight to St. Charles?
Fares for return flights dipped as low as $68 this past week to St. Charles, and rose to a high of $171. Some lucky travelers journeying out of Atlanta (ATL) managed to snap up one-way flights from just $34.
How to book the cheapest flight to St. Charles?
Landing cheap flights to St. Charles is as simple as booking with Orbitz. But if you want to make sure you're nabbing the best flight deals around, here are a few tips to follow:

  • Departing from or landing at other airports can sometimes save you money. Enter your preferred departure and arrival points. Next, select the 'Nearby airports' function below to see your options.
  • Also, click on the 'Show flexible dates' option to view the airfares on days around your selected departure. It's possible to score cheaper flight deals if your travel plans are flexible.
  • To refine your results, click on 'Show options.' You can search based on airlines, seating class, and nonstop and refundable flights. You can also select whether you want to fly in the morning, afternoon or evening under 'Sort & Filter' to the left.
  • Book your fare as soon as you know your travel dates. While it does happen now and then, tickets rarely fall in price as your date of departure gets closer.
  • Bundle your hotels, flights and car rentals into one convenient package deal. Save your hard-earned cash for things you're really excited about, like discovering every corner of St. Charles.
  • Flying during the busy season often means steep airfares. If possible, plan your trip outside of popular periods, such as Thanksgiving, New Year's Eve and Easter.

How long is a flight to St. Charles?
Your city of origin, which airport you leave from and whether your journey is direct — the flight duration depends on lots of things. But we've listed the average times for some of the most well-known routes to St. Charles:

  • New York, NY (LGA-LaGuardia) to O'Hare Intl. Airport (ORD) - 2 hours and 40 minutes
  • Boston, MA (BOS-Logan Intl.) to O'Hare Intl. Airport (ORD) - 2 hours and 51 minutes
  • Washington, DC (DCA-Ronald Reagan Washington National) to O'Hare Intl. Airport (ORD) - 2 hours and 13 minutes

What is the best time to book a flight to St. Charles?
Pick up a bargain and secure your seats to St. Charles in January. If you've missed this month, fear not. February and August often have low airfares available, too. Make sure you don't sleep on a sale though — cheap flights pop up and vanish in an instant!
What day of the week is the cheapest to book a flight to St. Charles?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days of the week to book a flight to St. Charles. If you want the best airfares, search across those days and you could land yourself a great flight deal.
What is the cheapest day of the week to fly to St. Charles?
Based on Orbitz data from 2020, Monday is usually the best day for cheap flights to St. Charles. Tuesday also has wallet-friendly airfares, whereas Saturday has the most expensive ticket rates. Although flying out at the weekend may be easier to arrange, you'll have more cash to play with if you take off at the start of the week.
What is the cheapest month to fly to St. Charles?
To secure cheap flights to St. Charles, pack your bags and jet off in August. Orbitz data shows that this is generally the best month to save on your airfare. If you're considering flying to St. Charles during June, it's worth noting that this is the most expensive time of year to travel.
Which airlines allow free cancellation?
Orbitz makes it a cinch to find carriers offering fare flexibility. Simply select "Filter by flexible change policies" when searching for your St. Charles flights and hey presto! We'll show you options that include free cancellation, no change fees and of course, the very best price.
What do I need for the flight to St. Charles?
The key to a comfortable and successful flight is to prepare well. Here are some handy tips to help you get ready for your trip:

  • Whether you print it out beforehand or use an electronic one, you'll need your boarding pass to walk on to the plane. You'll also need some kind of government-issued ID. If you're traveling internationally, make sure your passport is valid.
  • To keep you entertained on your short trip to St. Charles, download some new songs or restock the audiobook library on your smartphone. Food can also be a delicious distraction while in the air, so maybe even bring some light snacks.
  • Even if you're flying when it's sweltering outside, carry a hoodie or sweater on board with you. Airplane cabins can get downright chilly.

How many direct flights are there to St. Charles?
There are 2,332 flights that head straight to St. Charles every month, which means you won't have to deal with tiresome stopovers. Book a fare with United Airlines or American Airlines and then settle back and enjoy the flight. Delta Air Lines, Southwest Airlines, Spirit Airlines and Air Canada also provide nonstop services to St. Charles.
How do I get cheap first-class/business deals to St. Charles?
There are ways of booking business or first-class airfares to St. Charles that won't burn through your savings. Snap up a seat at the front of the plane for less with these handy hints:

  • Being flexible isn't just a yoga thing. Have some room to move around your travel dates so you can pick up more affordable airfares when they pop up.
  • Many low-cost airlines have top-notch business-class seating without the hefty fees.
  • Bid for an upgrade in online auctions or upgrade your seat with points earned through loyalty programs.

How to get into St. Charles from the airport?
Book an O'Hare Intl. Airport (ORD) car rental at O'Hare Intl. Airport (ORD) with one of the two reputable outlets on-site, Thrifty Car Rental or Dollar. Central St. Charles is around 25 miles away to the west of ORD. After filing off the plane, pick up your set of wheels and get there in a flash. Public transportation and taxis are another two ways to travel into the center. Spend some time wandering around St. Charles, then head out further afield with one of our St. Charles car rentals conveniently located downtown.
What is the best time to go to St. Charles?
Anytime is a great time to experience St. Charles, though March, May and November are the most popular months. Like most places in the Northern Hemisphere, summertime starts June 20. If you'd prefer to spend most of your days in a short-sleeved top than a winter coat, this time of the year would be ideal. Expect average daily highs of 80 ºF and nighttime lows around 65 ºF.

More to Explore

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.