Cheap flights To Northern Illinois (CHI) from $30

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Cheap Flights to Northern Illinois from $30 One Way, $72 Round Trip

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

Sun, Jan 18 - Mon, Jan 19
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$72 Roundtrip, found 3 days ago
$72
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Jan 18 from George Bush Intercontinental to O'Hare Intl., returning Mon, Jan 19, priced at $72 found 3 days ago
Fri, Feb 6 - Sun, Feb 8
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$74 Roundtrip, just found
$74
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Feb 6 from George Bush Intercontinental to O'Hare Intl., returning Sun, Feb 8, priced at $74 just found
Thu, Feb 19 - Thu, Feb 26
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$74 Roundtrip, found 1 day ago
$74
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Feb 19 from George Bush Intercontinental to O'Hare Intl., returning Thu, Feb 26, priced at $74 found 1 day ago
Sat, Jan 17 - Sat, Jan 24
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$99 Roundtrip, found 22 hours ago
$99
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Sat, Jan 17 from Los Angeles Intl. to O'Hare Intl., returning Sat, Jan 24, priced at $99 found 22 hours ago
Tue, Jan 20 - Wed, Jan 21
DTW
Detroit Metropolitan Wayne County
ORD
O'Hare Intl.
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 20 from Detroit Metropolitan Wayne County to O'Hare Intl., returning Wed, Jan 21, priced at $119 found 1 day ago
Tue, Jan 20 - Wed, Jan 21
DTW
Detroit Metropolitan Wayne County
ORD
O'Hare Intl.
$120 Roundtrip, found 1 day ago
$120
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 20 from Detroit Metropolitan Wayne County to O'Hare Intl., returning Wed, Jan 21, priced at $120 found 1 day ago
Tue, Jan 20 - Wed, Jan 21
DTW
Detroit Metropolitan Wayne County
ORD
O'Hare Intl.
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Detroit Metropolitan Wayne County to O'Hare Intl., returning Wed, Jan 21, priced at $139 found 1 day ago
Tue, Jan 20 - Wed, Jan 21
DTW
Detroit Metropolitan Wayne County
ORD
O'Hare Intl.
$152 Roundtrip, found 1 day ago
$152
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jan 20 from Detroit Metropolitan Wayne County to O'Hare Intl., returning Wed, Jan 21, priced at $152 found 1 day ago
Tue, Jan 27 - Tue, Jan 27
IAH
George Bush Intercontinental
RFD
Greater Rockford
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jan 27 from George Bush Intercontinental to Greater Rockford, returning Tue, Jan 27, priced at $160 found 2 days ago
Sat, Jan 17 - Sun, Jan 18
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$161 Roundtrip, found 12 hours ago
$161
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Jan 17 from George Bush Intercontinental to O'Hare Intl., returning Sun, Jan 18, priced at $161 found 12 hours ago

Northern Illinois Flight Information

Traveling To
Northern Illinois
Destination Airport IATA Code
CHI
Number of Airlines Serving
Airlines
Frontier Airlines, Spirit Airlines, American Airlines, United, Delta, Southwest Airlines
Flight Price
$72
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Northern Illinois economy flight packages

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

Illinois Beach Hotel

Jan 21 - Jan 25

4 night stay

Dallas (DFW) to Chicago (ORD)

Spirit Airlines • Non-stop • Coach

Chicago (ORD) to Dallas (DFW)

Frontier Airlines • Non-stop • Coach
Save 100% on your flight
Price was $389, price is now $260 per person
$260
per person
found 1 day ago
The Westin Michigan Avenue Chicago
4.5-star property

The Westin Michigan Avenue Chicago

Jan 14 - Jan 18

4 night stay

Dallas (DFW) to Chicago (ORD)

American Airlines • Coach

Chicago (ORD) to Dallas (DFW)

Frontier Airlines • Coach
Price was $1,178, price is now $538 per person
$538
per person
found 1 hour ago
Crowne Plaza Chicago Ohare Hotel & Conf Ctr by IHG
3.5-star property

Crowne Plaza Chicago Ohare Hotel & Conf Ctr by IHG

Jan 22 - Jan 26

4 night stay

Denver (DEN) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $474, price is now $322 per person
$322
per person
found 1 day ago
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Northern Illinois

End your search for discount fares on flights to Northern Illinois. Orbitz has all the best prices on Northern Illinois flights. With Orbitz, you can expect:

Cheap Deals on Flights to Northern Illinois

We offer big discounts and last-minute savings on Northern Illinois flights. We make it easy for you to research, plan, and book your flight to Northern Illinois — all while offering great low fares. With guaranteed low prices and cutting-edge mobile tools, the perfect trip begins on Orbitz.

Travel Convenience on the Go

Get alerts, updates, or book your Northern Illinois flight or other flights wherever you are. Download our free apps for iPhone, Android, and iPad or visit our mobile site at m.orbitz.com to conveniently review or change your air travel plans. We can also send free alerts about your Northern Illinois flight to your email or mobile phone, so you get advance warning about potential disruptions and flight delays. Need to book a hotel with your Northern Illinois flight? Access exclusive, mobile-only deals via our mobile site and free apps – even on the same day.

Great Customer Care

We want to make your travel booking experience smooth and easy, from planning and researching Northern Illinois flights to the actual booking. If you want to cancel your flight to Northern Illinois, many tickets can be conveniently cancelled online. Contact our Customer Service to make changes to your air ticket.

Miles or Points Toward Frequent Flyer Programs

Much like booking with an airline directly, you can earn frequent flyer miles or points on qualified flights to Northern Illinois with Orbitz. When completing your booking, just fill in your frequent flyer number for the airline you are flying with or for one of its available partner airlines.

Frequently asked questions

What is the best airport to fly to in Northern Illinois?
Williamson County Regional Airport (MWA) is the major gateway for this terrific destination. Once you've stepped out of the terminal, the possibilities are endless when it comes to adventuring around Northern Illinois.
How much is a flight to Northern Illinois?
Travelers from far and wide bagged round-trip bargains ranging from $72 to $161 this week. Kicking off your journey from Houston (IAH)? The cheapest one-way prices were just $30.
How to book the cheapest flight to Northern Illinois?
Scoring cheap flights to Northern Illinois is as easy as booking with Orbitz. But if you'd like to make sure you're walking away with the best flight deals around, here are some tips to keep in mind:

  • Departing from or landing at nearby airports can often be more affordable. Enter your preferred departure and arrival points. Next, select the 'Nearby airports' function below to explore your options.
  • Similarly, click on the 'Show flexible dates' link to compare the prices on days either side of your chosen departure. It's possible to find cheaper flight deals if your travel dates are flexible.
  • Select 'Show options' to narrow down your search results. You can pick your preferred seating class and airline here. Under 'Sort & Filter' to the left, you can even specify whether you'd like to fly in the morning, afternoon or evening.
  • The early bird gets the best savings, so purchase your seats once you've settled on your travel dates. The most affordable fares get snapped up first and prices normally increase as the departure date nears.
  • Consider bundling your hotels, flights and car rentals into an Orbitz package to make your dollar go further.
  • Don't fly during the busy season if you can. By avoiding summer, school vacations and other popular dates, you can save big on your airfares.

What is the best time to book a flight to Northern Illinois?
Book in January, February or August for unbeatable fares to Northern Illinois. Once you've found a bargain, lock it in — cheap flights are known to appear and then vanish in the click of a button.
What day of the week is the cheapest to book a flight to Northern Illinois?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days of the week to book a flight to Northern Illinois. If you want the best airfares, search across those days and you're likely to catch an excellent flight deal.
What is the cheapest day of the week to fly to Northern Illinois?
You can land cheap flights to Northern Illinois by flying out on a Monday, according to Orbitz data from 2020. Tuesday is also more affordable, while Saturday has the most costly ticket prices. Whether you prefer to save a bundle or fly out on whichever day is convenient, you'll always get a terrific deal with Orbitz.
What is the cheapest month to fly to Northern Illinois?
Consider traveling in August if you don't want to put a dent in your budget. Orbitz data has found that it's generally the best month for cheap flights to Northern Illinois. June is when fares really go up.
Which airlines allow free cancellation?
When you search for flights on Orbitz, select "Filter by flexible change policies." This filter will quickly find all the airlines offering free cancellation within 24 hours of booking and no change fees. That means you can relax knowing that if your travel dates change, your flight can too.
What do I need for the flight to Northern Illinois?
Flying can be fun with a little pre-planning! Make your flight a relaxing one with these helpful tips:

  • Whether you print it out or use an electronic one, you'll need your boarding pass to step foot on the plane. You'll also need some kind of government-issued photo identification. If you're flying internationally, make sure your passport is valid and you've looked into visa requirements.
  • Take some activities to keep you amused on your journey to Northern Illinois. Books, magazines and electronic gadgets like laptops and tablets are good ideas. Be sure to take a refillable water bottle with you too. Even on a short flight, it's important to keep well-hydrated.
  • It can get very cool on the plane. If you'd prefer not to shiver your way through the flight, layer up.

How many direct flights are there to Northern Illinois?
With 13 direct flights each month, getting to Northern Illinois doesn't have to be long and stressful. Cape Air offers nonstop services to this bustling destination.
How do I get cheap first-class/business deals to Northern Illinois?
If you think a business or first-class airfare is beyond your grasp, think again. Here are some terrific tips to help you book a premium flight to Northern Illinois for less:

  • Flexibility is everything. By being open to different travel dates, you'll have more chances of spotting a sale on first or business-class airfares.
  • Find a budget airline that has business-class seats. They usually come with more space and a glass of bubbly — and a more appealing price.
  • Bid for an upgrade in online auctions (if available) or upgrade your seat through your frequent flyer program.

What is the best time to go to Northern Illinois?
Northern Illinois is a wonderful getaway destination year-round, but the most popular months are June, July and August. If you're into warm weather, make your way there during the summer months. Like most places in the Northern Hemisphere, the summer season commences June 20. At this time, temperatures usually float between 65 ºF and 80 ºF during the daytime.

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.