Chicago, IL to Porto, Portugal flights

Flights starting at $350. Choose between Ryanair, Spirit Airlines, or American Airlines to find the best price.

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking
Mailbox
Receive exclusive deals by email
Travelers usually depart from O Hare International, Chicago Midway International, Chicago Rockford International, Chicago-Dan Ryan Greyhound station, or Chicago Downtown Greyhound Station when they travel from Chicago to Porto. Book your trip to arrive at Porto, Porto - Campanha, Porto - Garagem Atlântico, Porto - Campo 24 Agosto, or Porto - Sao Bento. The most popular airlines for this route are Ryanair, Spirit Airlines, American Airlines, TAP Portugal, and Frontier Airlines. Chicago and Porto have 326 direct flights per week. When you arrive at Porto, consider visiting Santiago De Compostela, and Bairro of Ribeira, Portugal.

Check-in for a flight from Chicago to Porto

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
RyanairRYRFRNoOpens 24 days before flight
Closes 2 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAANoNo
TAP PortugalTAPTPYesOpens 36 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight

Portugal COVID-19 travel restrictions

Your trip summary

Departure

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required
Visa requirements
  • Visa is not required

Return

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required
Visa requirements
  • Visa is not required

Frequently asked questions

What are the most popular routes to and from Chicago?
What are the most popular routes to and from Porto?
Which airports are there in Chicago?
What airports are near Chicago?
What airports are near Porto?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Chicago and Porto?
What is Virtual Interlining and how do I use it?
Which airlines fly between Chicago and Porto?
When's the best time to travel between Chicago and Porto?
What flights operate between Chicago and Porto?
How many airports are there near Chicago?
How many airports are there near Porto?
What time do nonstop (direct) flights between Chicago and Porto depart?
What time do nonstop (direct) flights between Chicago and Porto arrive?
What time do flights between Chicago and Porto depart?
What time do flights between Chicago and Porto arrive?

Explore alternative trips

Flights from Chicago

Flights to Porto

Popular routes

Find the best connection from Chicago to Porto
Search flights, trains & buses

We hack the system,
you fly for less