Distance From Cascais Airport to Chicago Midway International Airport, CAT - MDW Distance

The distance from Cascais Airport (CAT) to Chicago Midway International Airport (MDW) is 3989 miles or 6420 kilometers or 3464 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Cascais ( Portugal ) to Chicago ( United States )?

A one-way nonstop (direct) flight between Cascais and Chicago takes around 9 hours 10 minutes.

Estimated flight time from Cascais Airport, Cascais, Portugal to Chicago Midway International Airport, Chicago, United States is 9 hours 10 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • CAT - MDW

Kilometers		6420 km
Statute Miles		3989 miles
Nautical Miles		3464 nm
Avg. Time of Flight		9 hours 10 minutes

Cascais Airport to Chicago Midway International Airport Flight Route Map - CAT to MDW Flight Path

Location of Cascais Airport & Chicago Midway International Airport is given below.
Click the map to view Cascais to Chicago nonstop flight path and travel direction.

Click to see flight route on Google Map between Cascais, Portugal and Chicago, United States. .

Nonstop flight route between Cascais, Portugal and Chicago, United States.

Time Difference Between the Airports • CAT - MDW

Time difference between Cascais (Portugal) and Chicago (United States) is 6 Hours.
Chicago time is 6 Hours behind Cascais.

Location	Local Time
Cascais (Portugal)	2026-09-16, 17:28:45 WEST
Chicago (United States)	2026-09-16, 11:28:45 CDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Cascais Airport (CAT / LPCS) Cascais, Portugal

Destination

Chicago Midway International Airport (MDW / KMDW) Chicago, United States