Cheap flights Chicago — Porto (CHI — OPO)

Good to know - Cheap tickets Chicago — Porto

Flight distance 6329 km
Round-trip from $279
Cheapest month to fly May

Airfare Chicago – Porto by month

Here you can find out in what months how much a ticket Chicago – Porto costs to buy cheap plane tickets.

Month One-way Round-trip
September 2026
August 2026
July 2026
June 2026
May 2026
April 2026
November 2025
September 2025
June 2025
May 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Dynamics airfare Chicago — Porto by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Chicago — Porto

The graph shows that booking flights Chicago — Porto is best planned for May and flights Chicago — Porto — Chicago in the month of November.

Flights Chicago — Porto

The selection of cheap flights Chicago — Porto

The price of the flight Chicago — Porto (Portugal) — Chicago from $279 (round-trip).

The average price of the flight Chicago — Porto (Portugal) — Chicago $780 (round-trip).

Low cost flights Chicago — Porto (CHI — OPO)

The distance between Chicago and Porto 3933 miles (or 6329 kilometres).

The time difference between Chicago and Porto is 6 h.

Routes from nearby cities to Porto

A flight from a neighbouring city can help you save money on plane tickets.

Milwaukee — Porto

Grand Rapids — Porto

The closest airports to Chicago with a flight to Porto are in Grand Rapids.

Popular International routes from Chicago

Chicago — Cork

Chicago — Osaka

Chicago — Oslo

Popular routes from Porto

If you are going to fly from Porto, then study the popular flights. The most popular flights from Porto:

Popular domestic routes from Chicago

FAQ about Chicago — Porto

Yes, you can fly from Chicago to Porto. Chicago has 8 airports (Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport) for flights. There are non-direct flights through Air France, AirSERBIA, British Airways, Cargolux, Compass Air Cargo, Ethiopian Airlines, FedEx, Iberia, KLM, Lufthansa, Luxwing, SAS, Swiss, TAP Air Portugal, TUI, Turkish Airlines, United Express, USC.

The price of flights Chicago — Porto starts from $279.

In Chicago — Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport. In Porto — Porto Airport.

High season is considered to be September and the cheapest month is May. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Chicago — Porto flight deals.

All the following airlines flights Chicago — Porto: Air France, AirSERBIA, British Airways, Cargolux, Compass Air Cargo, Ethiopian Airlines, FedEx, Iberia, KLM, Lufthansa, Luxwing, SAS, Swiss, TAP Air Portugal, TUI, Turkish Airlines, United Express, USC.

Low price calendar