Give each airport the same flight-search brief.
Use the same destination-airport set, departure and return dates, cabin and passenger count. Compare the number of stops and arrival times alongside the fare. If one result goes to a different destination airport, write that down before assuming you have found a saving.
Our index compares sampled seven-night searches across both Chicago origins. One airport winning on one date does not establish a permanent cheapest-airport rule. Browse several matched dates to see how the result changes.
Browse matched airport comparisons ↗O’Hare: include the Blue Line and your terminal connection.
CTA’s Blue Line connects O’Hare with downtown and operates 24 hours. Check the station-to-terminal route and build in the time to reach your check-in desk, especially if an airport transfer is needed.
Price your actual round-trip journey. A lower airfare can lose its advantage when an expensive ride or extra transfer is required.
CTA: airport train connections ↗Midway: check the Orange Line’s operating hours.
The Orange Line links Midway and the Loop, but it does not operate overnight. Check current schedules and alternatives if your flight leaves early or arrives late.
Keep the return journey in the calculation. A convenient outbound train does not guarantee that the train will still be running when you get home.
CTA: getting to Midway ↗Use one consistent total-trip calculation.
Add round-trip airfare, the airport transport you will actually use, and the baggage or seat extras you intend to buy. Keep journey time as a separate consideration.
Our airport calculator starts ground transport at zero because we do not know your address. Enter your own estimates and compare matched dates; this is a planning tool, not a live transit quote.
Try the airport comparison ↗
