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Union

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Union Flights as Low as $311

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

American Airlines
Wed, Jul 1 - Sat, Jul 4
ATL
Hartsfield-Jackson Atlanta Intl.
RFD
Greater Rockford
$311 Roundtrip, found 3 days ago
$311
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jul 1 from Hartsfield-Jackson Atlanta Intl. to Greater Rockford, returning Sat, Jul 4, priced at $311 found 3 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
PHX
Sky Harbor Intl.
RFD
Greater Rockford
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 14 from Sky Harbor Intl. to Greater Rockford, returning Tue, Jul 21, priced at $317 found 1 day ago
American Airlines
Wed, Jul 1 - Sat, Jul 4
ATL
Hartsfield-Jackson Atlanta Intl.
RFD
Greater Rockford
$326 Roundtrip, found 3 days ago
$326
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jul 1 from Hartsfield-Jackson Atlanta Intl. to Greater Rockford, returning Sat, Jul 4, priced at $326 found 3 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
PHX
Sky Harbor Intl.
RFD
Greater Rockford
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 14 from Sky Harbor Intl. to Greater Rockford, returning Tue, Jul 21, priced at $327 found 1 day ago
American Airlines
Sat, Jul 18 - Sat, Jul 25
LAX
Los Angeles Intl.
RFD
Greater Rockford
$332 Roundtrip, found 2 days ago
$332
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jul 18 from Los Angeles Intl. to Greater Rockford, returning Sat, Jul 25, priced at $332 found 2 days ago
American Airlines
Wed, Jul 1 - Sat, Jul 4
ATL
Hartsfield-Jackson Atlanta Intl.
RFD
Greater Rockford
$336 Roundtrip, found 3 days ago
$336
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jul 1 from Hartsfield-Jackson Atlanta Intl. to Greater Rockford, returning Sat, Jul 4, priced at $336 found 3 days ago
American Airlines
Wed, Jul 1 - Sat, Jul 4
ATL
Hartsfield-Jackson Atlanta Intl.
RFD
Greater Rockford
$336 Roundtrip, found 3 days ago
$336
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jul 1 from Hartsfield-Jackson Atlanta Intl. to Greater Rockford, returning Sat, Jul 4, priced at $336 found 3 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
PHX
Sky Harbor Intl.
RFD
Greater Rockford
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 14 from Sky Harbor Intl. to Greater Rockford, returning Tue, Jul 21, priced at $338 found 1 day ago
American Airlines
Sat, Jul 18 - Sat, Jul 25
LAX
Los Angeles Intl.
RFD
Greater Rockford
$347 Roundtrip, found 2 days ago
$347
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jul 18 from Los Angeles Intl. to Greater Rockford, returning Sat, Jul 25, priced at $347 found 2 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
PHX
Sky Harbor Intl.
RFD
Greater Rockford
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 14 from Sky Harbor Intl. to Greater Rockford, returning Tue, Jul 21, priced at $352 found 1 day ago
American Airlines
Wed, Jul 1 - Sat, Jul 4
ATL
Hartsfield-Jackson Atlanta Intl.
RFD
Greater Rockford
$357 Roundtrip, found 3 days ago
$357
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jul 1 from Hartsfield-Jackson Atlanta Intl. to Greater Rockford, returning Sat, Jul 4, priced at $357 found 3 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
PHX
Sky Harbor Intl.
RFD
Greater Rockford
$362 Roundtrip, found 1 day ago
$362
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 14 from Sky Harbor Intl. to Greater Rockford, returning Tue, Jul 21, priced at $362 found 1 day ago
American Airlines
Wed, Jul 1 - Sat, Jul 4
ATL
Hartsfield-Jackson Atlanta Intl.
RFD
Greater Rockford
$368 Roundtrip, found 3 days ago
$368
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jul 1 from Hartsfield-Jackson Atlanta Intl. to Greater Rockford, returning Sat, Jul 4, priced at $368 found 3 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
PHX
Sky Harbor Intl.
RFD
Greater Rockford
$372 Roundtrip, found 1 day ago
$372
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 14 from Sky Harbor Intl. to Greater Rockford, returning Tue, Jul 21, priced at $372 found 1 day ago
American Airlines
Sat, Jul 18 - Sat, Jul 25
LAX
Los Angeles Intl.
RFD
Greater Rockford
$373 Roundtrip, found 4 days ago
$373
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Jul 18 from Los Angeles Intl. to Greater Rockford, returning Sat, Jul 25, priced at $373 found 4 days ago
American Airlines
Tue, Aug 11 - Fri, Aug 14
TPA
Tampa Intl.
RFD
Greater Rockford
$380 Roundtrip, found 1 day ago
$380
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 11 from Tampa Intl. to Greater Rockford, returning Fri, Aug 14, priced at $380 found 1 day ago

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 July, 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 $311, 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 $311 right now, why wait?

Union Flight Information
Destination airport
Greater Rockford
Destination airport IATA code
RFD
Roundtrip price
$311

Last Minute Hotel Deals in Union

Best Western Plus Elgin - Chicago

Best Western Plus Elgin - Chicago

3 out of 5
2175 Marriott Dr West Dundee IL
Book a stay at this business-friendly hotel in West Dundee. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8.4/10 Very Good! (1,002 reviews)
"Excelente"

Reviewed on Jun 18, 2026

Get rates
Best Western Plus Elgin - Chicago
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! (1,002 reviews)
"It was a great stay, no complaints my way!!"

Reviewed on Jun 18, 2026

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Holiday Inn Chicago Northwest-Elgin 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. ...
8.4/10 Very Good! (1,000 reviews)
"Great, quiet location near some good food places as well! Breakfast was well stocked and the room was clean and in good condition."

Reviewed on Jun 16, 2026

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Hampton Inn & Suites Chicago/Hoffman Estates
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 ...
9.2/10 Wonderful! (741 reviews)
"Clean room, helpful staff, well lit, nice swimming pool, close to shopping/restaurants"

Reviewed on May 31, 2026

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

Comfort Suites Elgin Northwest

2.5 out of 5
2480 Bushwood Drive Elgin IL
Book a stay at this business-friendly hotel in Elgin. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
8/10 Very Good! (1,002 reviews)
"When we arrive, they couldn’t find the second room I booked and then I asked the book another room. They told me the must book for two days consecutive or they wouldn’t book it for us. After deciding we share a room with the four of us they call back we could have another room for an extra $60 American. ..."

Reviewed on Jun 18, 2026

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Comfort Suites Elgin Northwest
Extended Stay America Suites Chicago Elgin West Dundee

Extended Stay America Suites Chicago Elgin West Dundee

2.5 out of 5
2185 Marriott Dr West Dundee IL
Book a stay at this business-friendly hotel in West Dundee. Enjoy free breakfast, free parking, and a 24-hour fitness center. Popular attractions NOW Arena and ...
6.6/10 (599 reviews)
"My room had roaches, and the TV did not work.The whole experience was terrible.I do not recommend it to nobody"

Reviewed on Jun 18, 2026

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Extended Stay America Suites Chicago Elgin West Dundee
Chicago Marriott Northwest

Chicago Marriott Northwest

3.5 out of 5
4800 Hoffman Blvd Hoffman Estates IL
Stay at this hotel in Hoffman Estates. Enjoy breakfast (surcharge), room service, and WiFi (surcharge). Our guests praise the helpful staff in our reviews. Popular ...
8.6/10 Excellent! (1,009 reviews)
"Great location and wonderful staff. They have started charging $15 a night for parking, which was a surprise. It’s in the suburbs and has a huge parking lot that I have never seen full. We have stayed here a few times and this is a new, and I think unnecessary, fee."

Reviewed on Jun 15, 2026

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Chicago Marriott Northwest
AmericInn by Wyndham Woodstock IL

AmericInn by Wyndham Woodstock IL

3 out of 5
990 Lake Avenue Woodstock IL
Book a stay at this ski hotel in Woodstock. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the clean rooms in our reviews. Popular attractions ...
8/10 Very Good! (1,001 reviews)
"The room was decent, and spacious, good breakfast, but we had a very hard time at night because of the people at the next door motel, who drank, and yelled for hours outside."

Reviewed on Jun 14, 2026

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AmericInn by Wyndham Woodstock IL
See all 265 properties in Union
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.