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Northern Illinois

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Northern Illinois Flights as Low as $154

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

Frontier Airlines
Mon, Oct 19 - Thu, Oct 22
DEN
Denver Intl.
ORD
O'Hare Intl.
$154 Roundtrip, found 5 days ago
$154
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Oct 19 from Denver Intl. to O'Hare Intl., returning Thu, Oct 22, priced at $154 found 5 days ago
Frontier Airlines
Mon, Oct 19 - Wed, Oct 21
DEN
Denver Intl.
ORD
O'Hare Intl.
$174 Roundtrip, found 11 hours ago
$174
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Mon, Oct 19 from Denver Intl. to O'Hare Intl., returning Wed, Oct 21, priced at $174 found 11 hours ago
Frontier Airlines
Mon, Oct 19 - Wed, Oct 21
DEN
Denver Intl.
ORD
O'Hare Intl.
$178 Roundtrip, found 11 hours ago
$178
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Mon, Oct 19 from Denver Intl. to O'Hare Intl., returning Wed, Oct 21, priced at $178 found 11 hours ago
Frontier Airlines
Mon, Oct 19 - Thu, Oct 22
DEN
Denver Intl.
ORD
O'Hare Intl.
$179 Roundtrip, found 5 days ago
$179
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Oct 19 from Denver Intl. to O'Hare Intl., returning Thu, Oct 22, priced at $179 found 5 days ago
Frontier Airlines
Tue, Jan 5 - Wed, Jan 6
DEN
Denver Intl.
ORD
O'Hare Intl.
$184 Roundtrip, found 4 days ago
$184
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Jan 5 from Denver Intl. to O'Hare Intl., returning Wed, Jan 6, priced at $184 found 4 days ago
Frontier Airlines
Tue, Nov 17 - Wed, Dec 2
DEN
Denver Intl.
ORD
O'Hare Intl.
$187 Roundtrip, found 6 days ago
$187
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Nov 17 from Denver Intl. to O'Hare Intl., returning Wed, Dec 2, priced at $187 found 6 days ago
Frontier Airlines
Tue, Dec 1 - Wed, Dec 2
DEN
Denver Intl.
ORD
O'Hare Intl.
$194 Roundtrip, found 6 days ago
$194
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Dec 1 from Denver Intl. to O'Hare Intl., returning Wed, Dec 2, priced at $194 found 6 days ago
American Airlines
Mon, Oct 19 - Wed, Oct 21
DEN
Denver Intl.
ORD
O'Hare Intl.
$198 Roundtrip, found 11 hours ago
$198
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Mon, Oct 19 from Denver Intl. to O'Hare Intl., returning Wed, Oct 21, priced at $198 found 11 hours ago
Frontier Airlines
Mon, Oct 19 - Wed, Oct 21
DEN
Denver Intl.
ORD
O'Hare Intl.
$200 Roundtrip, found 11 hours ago
$200
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Mon, Oct 19 from Denver Intl. to O'Hare Intl., returning Wed, Oct 21, priced at $200 found 11 hours ago
Bargain Flight
Wed, Nov 4 - Sat, Nov 7
AUS
Austin-Bergstrom Intl.
ORD
O'Hare Intl.
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Nov 4 from Austin-Bergstrom Intl. to O'Hare Intl., returning Sat, Nov 7, priced at $227 found 1 day ago
American Airlines
Mon, Oct 19 - Wed, Oct 21
DEN
Denver Intl.
ORD
O'Hare Intl.
$243 Roundtrip, found 11 hours ago
$243
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Mon, Oct 19 from Denver Intl. to O'Hare Intl., returning Wed, Oct 21, priced at $243 found 11 hours ago
American Airlines
Wed, Feb 3 - Tue, Feb 23
AUS
Austin-Bergstrom Intl.
MLI
Quad City Intl.
$261 Roundtrip, found 4 hours ago
$261
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Feb 3 from Austin-Bergstrom Intl. to Quad City Intl., returning Tue, Feb 23, priced at $261 found 4 hours ago
Delta
Wed, Feb 3 - Tue, Feb 23
AUS
Austin-Bergstrom Intl.
MLI
Quad City Intl.
$261 Roundtrip, found 4 hours ago
$261
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Feb 3 from Austin-Bergstrom Intl. to Quad City Intl., returning Tue, Feb 23, priced at $261 found 4 hours ago
United
Tue, Oct 13 - Tue, Oct 20
DEN
Denver Intl.
MLI
Quad City Intl.
$339 Roundtrip, found 16 hours ago
$339
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Oct 13 from Denver Intl. to Quad City Intl., returning Tue, Oct 20, priced at $339 found 16 hours ago
Alaska Airlines
Wed, Nov 4 - Sat, Nov 7
AUS
Austin-Bergstrom Intl.
ORD
O'Hare Intl.
$483 Roundtrip, found 1 day ago
$483
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Nov 4 from Austin-Bergstrom Intl. to O'Hare Intl., returning Sat, Nov 7, priced at $483 found 1 day ago
JetBlue Airways
Wed, Nov 4 - Sat, Nov 7
AUS
Austin-Bergstrom Intl.
ORD
O'Hare Intl.
$491 Roundtrip, found 1 day ago
$491
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Nov 4 from Austin-Bergstrom Intl. to O'Hare Intl., returning Sat, Nov 7, priced at $491 found 1 day 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 October, 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 15 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 $154, 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 $154 right now, why wait?

Northern Illinois Flight Information
Destination airport
O'Hare Intl.
Destination airport IATA code
ORD
Roundtrip price
$148

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! (1,478 reviews)
"$25 amenity charge was not reasonable for this property. Especially the bfast which ran out of scones very early and told there weren't any more. No milk provided, no orange juice provided and with very few options been nice to at least have some cereal provided. And this was supposed to be part ..."

Reviewed on Sep 26, 2026

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Irish Cottage Inn & Suites
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
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 ...
9/10 Wonderful! (1,756 reviews)
"Staff was professional and very nice to deal with. Breakfast was good and even had sugar free syrup for my waffles. Our room was clean and neat. Would not hesitate to stay in the future."

Reviewed on Sep 26, 2026

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Baymont by Wyndham Rockford
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! (1,003 reviews)
"Thanks"

Reviewed on Sep 24, 2026

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Grand Bear Resort at Starved Rock
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 ...
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Stoney Creek Inn Galena
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
Riverview Inn & Suites, an Ascend Collection Hotel

Riverview Inn & Suites, an Ascend Collection Hotel

3 out of 5
700 W Riverside Blvd 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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Riverview Inn & Suites, an Ascend Collection Hotel
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! (1,012 reviews)
"Everything was nice and clean only issue was breakfast fell behind on restocking but there was a large event going on and like most other places I'm guessing they were short staffed if you had patiens it wasvabgood meal"

Reviewed on Sep 25, 2026

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Country Inn & Suites by Radisson, Galena, IL
See all 1,949 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 ...
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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 ...
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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 ...
8/10 Very Good! (1,004 reviews)
"Was not kept up well and the cleanliness was lacking."

Reviewed on Sep 23, 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 ...
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Hampton Inn & Suites Moline-Quad City Int'l Aprt
See all 1,949 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.