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Routes/Chicago, IL to Key West, FL

Chicago, IL to Key West, FL

Average one-way fare in 2026 Q1: $336 · 1251 nonstop miles · 266 passengers per day.

2026 Q1 fare$336
2025 Q1 fare$329
Change+$7
Passengers/day266
Distance1251 mi

The average fare a year earlier (2025 Q1) was $329. The change is $7 higher (2.1%).

The largest carrier on this route in 2026 Q1 was United with 51% of passengers. The lowest-fare carrier was United with 51% of passengers, at an average fare of $337.

All routes from Chicago, IL · All routes from Key West, FL

All quarters on this route

QuarterPassengers/dayAvg. fareLargest carrierLargest shareLowest-fare carrier
2024 Q1217$345United62%United
2024 Q2not available
2024 Q3not available
2024 Q4not available
2025 Q1233$329United65%United
2025 Q2not available
2025 Q3not available
2025 Q4not available
2026 Q1266$336United51%United

Source: U.S. Department of Transportation, Consumer Airfare Report Table 1, 2026 Q1. Figures are average one-way fares paid, including taxes and fees, for the quarter shown. Record: city markets 30977 and 31624; U.S. Department of Transportation, Domestic Airline Consumer Airfare Report, Table 1: top 1,000 contiguous-state city-pair markets (average one-way fare, passengers per day, largest carrier, lowest-fare carrier). Fetched 2026-09-27T00:40:04Z. Source data.