Airport guide · United States
Cheap Flights from Chicago (CGX)
Flying out of Chicago (CGX)? Prices from here move fast, so timing is everything. Compare live fares below and set a free alert so a price drop never slips past you.
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Live fares departing Chicago (CGX) — updated regularly.
Live fares from CGX are updating — use the search above for real-time prices.
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Chicago (CGX) flight FAQs
What is the airport code for Chicago?
The IATA airport code for Chicago is CGX. Use it when searching for flights to make sure you get fares for the right airport.
How do I find cheap flights from Chicago?
Book 3–6 weeks ahead for domestic US routes (2–3 months for international), fly midweek (Tue–Thu), and compare live fares below. Setting a free Airfare Deal alert is the easiest way to catch price drops from CGX.
Which airlines fly from CGX?
You'll find the big US carriers at CGX. The cheapest one changes by route and date — the live fares below show who's winning right now.
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