Cheap flights from Chicago to Cancun
Recently found return fares from $238, with October the cheapest month we know of. Compare dates, then book with the partner you choose.
Cheapest months to fly
Lowest recently found return fare in each month. Tap a month to see that month's calendar.
Chicago → Cancun
November 2026
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LowerHigherLowest this month
Lowest fares for the best day
- Frontier AirlinesFri 13 Nov – Fri 20 Nov · Direct · 3h 58m $342
- Frontier AirlinesMon 16 Nov – Mon 23 Nov · 1 stop · 5h 20m $400
- United AirlinesFri 13 Nov – Mon 16 Nov · Direct · 3h 57m $466
- Air CanadaWed 18 Nov – Fri 27 Nov · 1 stop · 5h 57m $482
Airport in Cancun
- CUNCancún International
Airports in Chicago
- ORDO'Hare
- MDWMidway
Watch this route
FAQ
Questions about this route
Still have a question?
Search the help center or send us a message. We reply by email.
Help center Contact us01What is the cheapest month to fly from Chicago to Cancun?
Based on recently found fares, October 2026 has the lowest price we know of, from $238. Prices change often, so check the calendar for current fares.
02Are the prices on this page final?
No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.
03How can I get an alert when flights to Cancun get cheaper?
Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.