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Route

Chicago to Key West: what the flight costs

In the last 60 days we checked this route 1 times. The typical return was £240 per person and the lowest £240, taxes and fees included.

Per person
Lowest seen£240
Typical (median)£240
Price checks, 60 days1

Every fare we found in the last 30 days

CheckedTrip datesPer personAirlineStopsDurationSource
12 Oct 20267 – 10 Nov 2026£240F9 + MXwith a stop13h 44mKiwi.com

About Key West

Key West is the end of the road, a small island of pastel conch houses, sunset celebrations and reef snorkelling at the tip of the Florida Keys.

Key West from every city: when to go, where to stay, what to do

Questions about Chicago to Key West

What does a return from Chicago to Key West usually cost?

Over the last 60 days the typical price we found was £240 per person, taxes and fees included, across 1 checks; the lowest was £240.

When is the best time to fly from Chicago to Key West?

Key West is at its best in January, February, March, April, May, November and December. Avoid August, September, October: Peak hurricane season; many visitors wait until November

Do I need a passport to fly from Chicago to Key West?

No passport needed for travellers from the United States: a government photo ID is enough for Key West.

Prices converted from US dollars at the rate of 15 Oct 2026.