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Union

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Union Flights as Low as $224

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

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Cheap Flights to Union

Fall in love at first flight with your vacation to Union 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 Union on Hotwire, and you’ll be up, up, and on a getaway in no time.

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

Frequently Asked Questions About flights to Union

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Union 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 Union?

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 Union are in February, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Union?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Union.

What airport is best to fly into Union?

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

How much are flights to Union?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Union on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $224, 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 Union?

The trick to saving a stack of cash on your flight to Union? 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 $224 right now, why wait?

Union Flight Information
Destination airport
Greater Rockford
Destination airport IATA code
RFD
Roundtrip price
$223

Last Minute Hotel Deals in Union

Holiday Inn Chicago Nw Crystal Lk Conv Ctr by IHG

Holiday Inn Chicago Nw Crystal Lk Conv Ctr by IHG

3 out of 5
800 South Route 31 Crystal Lake IL
Book a stay at this business-friendly hotel in Crystal Lake. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff and ...
8/10 Very Good! (1,001 reviews)
Excellent stay

Reviewed on Feb 2, 2026

Holiday Inn Chicago Nw Crystal Lk Conv Ctr by IHG
Hampton Inn & Suites Chicago/Hoffman Estates

Hampton Inn & Suites Chicago/Hoffman Estates

2.5 out of 5
2825 Greenspoint Pkwy Hoffman Estates IL
Stay at this hotel in Hoffman Estates. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. ...
8.2/10 Very Good! (1,001 reviews)
Nice room

Reviewed on Jan 27, 2026

Hampton Inn & Suites Chicago/Hoffman Estates
Hampton Inn McHenry

Hampton Inn McHenry

2.5 out of 5
1555 South Route 31 McHenry IL
Stay at this hotel in McHenry. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions McHenry ...
8.8/10 Excellent! (901 reviews)
Waa greerlted very pleasantly & friendly. Room was clean.

Reviewed on Feb 2, 2026

Hampton Inn McHenry
AmericInn by Wyndham Woodstock IL

AmericInn by Wyndham Woodstock IL

2.5 out of 5
990 Lake Avenue Woodstock IL
Book a stay at this ski hotel in Woodstock. Enjoy free breakfast, free parking, and a casino. Our guests praise the clean rooms in our reviews. Popular attractions ...
7.8/10 Good! (1,002 reviews)
Great

Reviewed on Jan 3, 2026

AmericInn by Wyndham Woodstock IL
Chicago Marriott Northwest

Chicago Marriott Northwest

3.5 out of 5
4800 Hoffman Blvd Hoffman Estates IL
Book a stay at this business-friendly hotel in Hoffman Estates. Enjoy free parking, breakfast (surcharge), and room service. Our guests praise the helpful staff ...
8.4/10 Very Good! (985 reviews)
Great experience!!Comfy and very clean.

Reviewed on Jan 22, 2026

Chicago Marriott Northwest
Country Inn & Suites by Radisson, Crystal Lake, IL

Country Inn & Suites by Radisson, Crystal Lake, IL

2.5 out of 5
600 Tracy Trail Crystal Lake IL
Stay at this hotel in Crystal Lake. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. ...
8.6/10 Excellent! (1,005 reviews)
Friendly staff

Reviewed on Feb 4, 2026

Country Inn & Suites by Radisson, Crystal Lake, IL
Holiday Inn Express & Suites Chicago - Hoffman Estates by IHG

Holiday Inn Express & Suites Chicago - Hoffman Estates by IHG

2.5 out of 5
5235 Prairie Stone Parkway Hoffman Estates IL
Book a stay at this business-friendly hotel in Hoffman Estates. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our ...
9/10 Wonderful! (675 reviews)
Great customer service

Reviewed on Jan 31, 2026

Holiday Inn Express & Suites Chicago - Hoffman Estates by IHG
Holiday Inn Chicago Northwest-Elgin by IHG

Holiday Inn Chicago Northwest-Elgin by IHG

3 out of 5
495 Airport Rd Elgin IL
Book a stay at this business-friendly hotel in Elgin. Enjoy free WiFi, free parking, and 2 restaurants. Our guests praise the helpful staff and the clean rooms ...
9/10 Wonderful! (1,000 reviews)
Staff was very courteous, room was amazing! Housekeeping was excellent. It was a very wonderful stay. If I had to pick an issue, it would be that we had to pay for breakfast.?

Reviewed on Feb 2, 2026

Holiday Inn Chicago Northwest-Elgin by IHG
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.