Title: Cheap Flights to Union , IL - Expedia.ca ![Lodging Image](https://a.travel-assets.com/travel-assets-manager/bex-affinities/lodging.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/bex-affinities/lodging.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Union , IL - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Hotels in Union](https://expedia.ca/Union-Hotels.d3000435600.Travel-Guide-Hotels)[Union Car Rentals](https://expedia.ca/Car-Rentals-In-Union.d3000435600.Car-Rental-Guide)[Union Vacation Packages](https://expedia.ca/Union.d3000435600.Destination-Travel-Guides) ## Popular airlines to Union - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Union, Illinois, United States of America,departure:03/03/2026TANYT&leg2=from:Union, Illinois, United States of America,to:CMH,departure:10/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Union, Illinois, United States of America,departure:03/03/2026TANYT&leg2=from:Union, Illinois, United States of America,to:CMH,departure:10/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Union, Illinois, United States of America,departure:03/03/2026TANYT&leg2=from:Union, Illinois, United States of America,to:CMH,departure:10/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Union, Illinois, United States of America,departure:03/03/2026TANYT&leg2=from:Union, Illinois, United States of America,to:CMH,departure:10/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Union, Illinois, United States of America,departure:03/03/2026TANYT&leg2=from:Union, Illinois, United States of America,to:CMH,departure:10/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Union, Illinois, United States of America,departure:03/03/2026TANYT&leg2=from:Union, Illinois, United States of America,to:CMH,departure:10/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Union, Illinois, United States of America,departure:03/03/2026TANYT&leg2=from:Union, Illinois, United States of America,to:CMH,departure:10/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Find the cheapest month to fly from Columbus (CMH) to Chicago (ORD) ### July is typically the cheapest month to fly From CA $109 - CA $427 per traveller. ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.ca/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### What is the name of Union's airport? ### What airport is best to fly into Union? ### How many airlines fly to Union? ### Which airlines fly to Union? ### How many nonstop flights are there to Union? ### Where are the most popular flights to Union departing from? ### How long is the flight to Union Airport? ### How to book the cheapest flight to Union? ### Do you have any tips for my flight to Union? > - Air travel can be a great experience if you take the right gear. Firstly, you'll need basic toiletries, such as lip balm and hand cream, a clean set of clothes and a good novel. Secondly, find room in your bag for your electronic devices, chargers, any daily medications and perhaps a proper neck pillow too. Lastly, be sure to take your passport, travel papers and some money. > > > Do not pack the following items in your hand luggage: > > > - Double-check that you don't have sharp objects (like a pocket knife) lurking in one of the zippers of your hand luggage. Other restricted items include flammable or explosive goods, such as fuel and fireworks, and gels and liquids in containers larger than 3.4 ounces (100 millilitres). > > > What to wear on a flight: > > > - Comfort should be your main concern when deciding what to wear during your flight. Loose clothing is a wise choice, as are flat, closed-toe shoes. > - Caused by sustained periods of inactivity, deep vein thrombosis (DVT) is a blood clotting condition that can affect passengers on long-distance flights. Reduce the risks by staying hydrated, keeping your lower limbs moving and wearing compression socks to help your circulation. ### How to get through airport security fast when flying to Union? > - Airport security personnel first need to know that you have a valid ID and matching travel documents before you're allowed to proceed any further. Keep them close by. > - After that, both you and your carry-on luggage must be X-rayed. To make the process quick and painless, take off anything that is likely to set the alarm off. Items such as your belt, jacket and earphones need to go through the machine. > - For just a few moments, you'll have to unplug from technology. Your laptop, phone and any other electronic gadgets will need to go through the scanner. > - Any liquids or gels, such as perfume or hand cream, that you want to bring on board need to be in containers no greater than 3.4 ounces (100 millilitres). Also, everything must fit inside a quart-size (one litre), zip-lock bag. > - There's a chance you'll be required to take your shoes off for scanning, so wearing slip-on shoes is always a clever idea. > - Airlines will not allow any sharp or pointed objects in the cabin. If you need to bring these kinds of items, pack them in your checked luggage. ## Book with confidence Expedia.ca gives you the best tools to secure great deals on flights to Union. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Union. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Union. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Union flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Union. Looking to save even more? Get additional savings by bundling your Union flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Union trip! ## Travel information | Destination airport | Union | | ----------------------------- | ----- | | Destination airport IATA code | CHI | \*Available to Expedia members.