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Northern Illinois

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Northern Illinois Flights as Low as $145

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

Frontier Airlines
Sat, Feb 27 - Tue, Mar 2
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$145 Roundtrip, found 10 hours ago
$145
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Feb 27 from George Bush Intercontinental to O'Hare Intl., returning Tue, Mar 2, priced at $145 found 10 hours ago
Frontier Airlines
Thu, Dec 24 - Tue, Jan 5
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$153 Roundtrip, found 2 days ago
$153
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Dec 24 from George Bush Intercontinental to O'Hare Intl., returning Tue, Jan 5, priced at $153 found 2 days ago
Frontier Airlines
Tue, Jan 5 - Sat, Jan 23
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jan 5 from George Bush Intercontinental to O'Hare Intl., returning Sat, Jan 23, priced at $158 found 1 day ago
Frontier Airlines
Wed, Jan 6 - Fri, Jan 22
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$159 Roundtrip, found 8 hours ago
$159
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Jan 6 from George Bush Intercontinental to O'Hare Intl., returning Fri, Jan 22, priced at $159 found 8 hours ago
Frontier Airlines
Wed, Dec 2 - Mon, Dec 7
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$160 Roundtrip, found 14 hours ago
$160
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Wed, Dec 2 from George Bush Intercontinental to O'Hare Intl., returning Mon, Dec 7, priced at $160 found 14 hours ago
Frontier Airlines
Thu, Dec 24 - Sat, Jan 9
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$165 Roundtrip, found 2 days ago
$165
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Dec 24 from George Bush Intercontinental to O'Hare Intl., returning Sat, Jan 9, priced at $165 found 2 days ago
Frontier Airlines
Wed, Jan 6 - Fri, Jan 22
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$166 Roundtrip, found 8 hours ago
$166
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Jan 6 from George Bush Intercontinental to O'Hare Intl., returning Fri, Jan 22, priced at $166 found 8 hours ago
Frontier Airlines
Sat, Feb 27 - Tue, Mar 2
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$173 Roundtrip, found 10 hours ago
$173
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Feb 27 from George Bush Intercontinental to O'Hare Intl., returning Tue, Mar 2, priced at $173 found 10 hours ago
Frontier Airlines
Fri, Jan 8 - Wed, Jan 20
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jan 8 from George Bush Intercontinental to O'Hare Intl., returning Wed, Jan 20, priced at $173 found 1 day ago
Bargain Flight
Mon, Dec 21 - Sat, Jan 9
AUS
Austin-Bergstrom Intl.
ORD
O'Hare Intl.
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Mon, Dec 21 from Austin-Bergstrom Intl. to O'Hare Intl., returning Sat, Jan 9, priced at $243 found 1 day ago
Bargain Flight
Sat, Jan 9 - Sat, Jan 23
AUS
Austin-Bergstrom Intl.
MLI
Quad City Intl.
$262 Roundtrip, found 8 hours ago
$262
Roundtrip
found 8 hours ago
Select Bargain Flight flight, departing Sat, Jan 9 from Austin-Bergstrom Intl. to Quad City Intl., returning Sat, Jan 23, priced at $262 found 8 hours ago
United
Sat, Jan 30 - Tue, Feb 16
IAH
George Bush Intercontinental
MLI
Quad City Intl.
$283 Roundtrip, found 6 hours ago
$283
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Jan 30 from George Bush Intercontinental to Quad City Intl., returning Tue, Feb 16, priced at $283 found 6 hours ago
Delta
Sat, Jan 30 - Tue, Feb 16
IAH
George Bush Intercontinental
MLI
Quad City Intl.
$283 Roundtrip, found 6 hours ago
$283
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, Jan 30 from George Bush Intercontinental to Quad City Intl., returning Tue, Feb 16, priced at $283 found 6 hours ago
American Airlines
Sat, Jan 30 - Tue, Feb 16
IAH
George Bush Intercontinental
MLI
Quad City Intl.
$283 Roundtrip, found 6 hours ago
$283
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sat, Jan 30 from George Bush Intercontinental to Quad City Intl., returning Tue, Feb 16, priced at $283 found 6 hours ago
JetBlue Airways
Sat, Feb 27 - Tue, Mar 2
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$287 Roundtrip, found 10 hours ago
$287
Roundtrip
found 10 hours ago
Select JetBlue Airways flight, departing Sat, Feb 27 from George Bush Intercontinental to O'Hare Intl., returning Tue, Mar 2, priced at $287 found 10 hours ago
Alaska Airlines
Wed, Dec 30 - Mon, Jan 4
AUS
Austin-Bergstrom Intl.
ORD
O'Hare Intl.
$613 Roundtrip, found 5 days ago
$613
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Dec 30 from Austin-Bergstrom Intl. to O'Hare Intl., returning Mon, Jan 4, priced at $613 found 5 days ago

Cheap Flights to Northern Illinois

Fall in love at first flight with your vacation to Northern Illinois by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Northern Illinois on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Northern Illinois, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Northern Illinois

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Northern Illinois with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the CHI airport.

What is the cheapest month to fly to Northern Illinois?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Northern Illinois are in February, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Northern Illinois?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 14 to choose from for your flight to Northern Illinois.

What airport is best to fly into Northern Illinois?

When you’re planning your trip to Northern Illinois, convenience is the name of the game. Luckily, Northern Illinois Greater Rockford Airport is nearby so you can deplane and get going on checking off everything on your Northern Illinois must-do list.

How much are flights to Northern Illinois?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Northern Illinois on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $145, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Northern Illinois?

The trick to saving a stack of cash on your flight to Northern Illinois? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $145 right now, why wait?

Northern Illinois Flight Information
Destination airport
O'Hare Intl.
Destination airport IATA code
ORD
Roundtrip price
$145

Last Minute Hotel Deals in Northern Illinois

Irish Cottage Inn & Suites

Irish Cottage Inn & Suites

3.5 out of 5
9853 US-20 Galena IL
Stay at this hotel in Galena. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant in our reviews. Popular attractions ...
9.4/10 Exceptional! (1,549 reviews)
"Loved the theme and the entire property. Dinner at Frank O'Dowd's was also amazing."

Reviewed on Nov 11, 2026

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Irish Cottage Inn & Suites
Baymont by Wyndham Rockford

Baymont by Wyndham Rockford

3 out of 5
662 N Lyford Rd Rockford IL
Book a stay at this business-friendly hotel in Rockford. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
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Baymont by Wyndham Rockford
Wyndham Garden Galena Hotel & Day Spa

Wyndham Garden Galena Hotel & Day Spa

4 out of 5
11383 US Highway 20 Galena IL
Book a stay at this spa hotel in Galena. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the pool in our reviews. Popular ...
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Wyndham Garden Galena Hotel & Day Spa
Country Inn & Suites by Radisson, Galena, IL

Country Inn & Suites by Radisson, Galena, IL

2.5 out of 5
11334 Oldenburg Ln Galena IL
Book a stay at this family-friendly hotel in Galena. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the pool in our reviews. ...
9.2/10 Wonderful! (1,022 reviews)
"We lived the pool area and water slide. The room was clean and had all three amenities. We did ask for extra towels on day 2 and for the garbage to be taken out because we had to go containers. On the slip we stated that the room could entered, however, we got back from being out during the day and ..."

Reviewed on Nov 11, 2026

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Country Inn & Suites by Radisson, Galena, IL
Grand Bear Resort at Starved Rock

Grand Bear Resort at Starved Rock

3 out of 5
2643 IL-178 Utica IL
Book a stay at this golf hotel in Utica. Enjoy free WiFi, free parking, and 2 bars/lounges. Our guests praise the helpful staff in our reviews. Popular attractions ...
7.2/10 Good! (1,015 reviews)
"The hotel room was clean, the pillows were flat. Room and the whole facility needs some updates. The Waterpark was small but is enough for smaller kids. Restaurants need some remodeling. Otherwise clean nice hotel"

Reviewed on Nov 11, 2026

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Grand Bear Resort at Starved Rock
Wyndham Moline on John Deere Commons

Wyndham Moline on John Deere Commons

3.5 out of 5
1415 River Dr Moline IL
Book a stay at this business-friendly hotel in Moline. Enjoy free breakfast, free WiFi, and room service. Our guests praise the breakfast and the helpful staff ...
9/10 Wonderful! (1,323 reviews)
"Always very accommodating."

Reviewed on Nov 10, 2026

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Wyndham Moline on John Deere Commons
Postcard Cabins Starved Rock, Outdoor Collection by Marriott Bonvoy

Postcard Cabins Starved Rock, Outdoor Collection by Marriott Bonvoy

2 out of 5
1879 N 2703rd Rd Ottawa IL
Stay at this cabin in Ottawa. Enjoy free parking, patios, and climate control. Popular attractions Tangled Roots Brewing Company - The Lone Buffalo and Washington ...
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Postcard Cabins Starved Rock, Outdoor Collection by Marriott Bonvoy
Stoney Creek Inn Galena

Stoney Creek Inn Galena

2 out of 5
940 Galena Square Dr Galena IL
Book a stay at this business-friendly hotel in Galena. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the pool in our ...
9.4/10 Exceptional! (1,338 reviews)
"Lovely person at front desk carried luggage up for us since no elevator."

Reviewed on Nov 4, 2026

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Stoney Creek Inn Galena
See all 2,031 properties in Northern Illinois
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Top Hotels With Free Airport Shuttle

Quality Inn Frontier at U.S. Hwy 30

Quality Inn Frontier at U.S. Hwy 30

2.5 out of 5
2300 Lincolnway St Clinton IA
Book a stay at this business-friendly hotel in Clinton. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Bickelhaupt Arboretum and Camanche ...
6.2/10 (205 reviews)
"B"

Reviewed on Nov 9, 2026

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Quality Inn Frontier at U.S. Hwy 30
Best Western Plus Dubuque Hotel & Conference Center

Best Western Plus Dubuque Hotel & Conference Center

2.5 out of 5
3100 Dodge St Dubuque IA
Book a stay at this family-friendly hotel in Dubuque. Enjoy free breakfast, free parking, and a 24-hour fitness center. Our guests praise the breakfast and the ...
8.6/10 Excellent! (1,006 reviews)
"Staff was incredibly nice."

Reviewed on Nov 11, 2026

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Best Western Plus Dubuque Hotel & Conference Center
Best Western Plus Steeplegate Inn

Best Western Plus Steeplegate Inn

2.5 out of 5
100 W 76th St Davenport IA
Book a stay at this business-friendly hotel in Davenport. Enjoy free breakfast, free parking, and room service. Our guests praise the breakfast and the helpful ...
7.8/10 Good! (1,002 reviews)
"The toilet had a sticker/liner from a new swim suit on the outside of the toilet and 3/4 of the lightbulbs were burned out. The breakfast was underwhelming."

Reviewed on Nov 8, 2026

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Best Western Plus Steeplegate Inn
Comfort Inn Moline - Quad Cities

Comfort Inn Moline - Quad Cities

2.5 out of 5
2600 52nd Ave Moline IL
Book a stay at this business-friendly hotel in Moline. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
7.8/10 Good! (605 reviews)
"The man who checked me in was a bit assertive. He gave me a room on the first floor I wanted a room on the second but would not allow a change. Just basic rooms nothing fancy…nothing like the pictures. Bed was well used with lumps…he could have gave me a better room, less than 15 people were staying ..."

Reviewed on Apr 4, 2026

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Comfort Inn Moline - Quad Cities
Grand Harbor Resort

Grand Harbor Resort

3.5 out of 5
350 Bell St Dubuque IA
Book a stay at this family-friendly hotel in Dubuque. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms ...
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Grand Harbor Resort
Hampton Inn & Suites Moline-Quad City Int'l Aprt

Hampton Inn & Suites Moline-Quad City Int'l Aprt

2.5 out of 5
2450 69th Ave Moline IL
Stay at this hotel in Moline. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful staff in our reviews. Popular ...
9/10 Wonderful! (1,000 reviews)
"great stay"

Reviewed on Nov 10, 2026

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Hampton Inn & Suites Moline-Quad City Int'l Aprt
See all 2,031 properties in Northern Illinois
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.