Southwest Airlines flights to Chicago

Travellers and cabin class

The best Southwest Airlines flight deals to Chicago

Looking for a last minute deal or the best direct flight? Find the biggest savings on one-way and return trips to Chicago with Southwest Airlines.

Find which Chicago airports Southwest Airlines 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 Southwest Airlines

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

Flying to Chicago with Southwest Airlines: FAQs

The average Southwest Airlines flight time from Ireland to Chicago is 8 hours and 21 minutes.
At the moment, American Airlines, Aer Lingus, British Airways, United and Alaska Airlines all fly to Chicago too.
Southwest Airlines currently also flies to Denver International, Las Vegas Harry Reid International and Baltimore Washington International.