Allegiant Air flights to Chicago

The best Allegiant Air flight deals to Chicago

Looking for a last-minute deal or the best direct flight? Find the biggest savings on one-way and round-trip flights to Chicago with Allegiant Air.

Find which Chicago airports Allegiant Air flies to

Compare routes to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier.

Flying to Chicago with Allegiant Air

The things to know before you go.
Cheapest month to flySeptember

Flying to Chicago with Allegiant Air: FAQs

The average Allegiant Air flight time from Mexico to Chicago is 4 hours and 13 minutes.
At the moment, American Airlines, Volaris, United, Frontier Airlines and Qatar Airways all fly to Chicago too.
Allegiant Air currently also flies to Orlando Sanford, St. Pete–Clearwater International and Punta Gorda.