Flights from Chicago to Portugal

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.

Cheap Chicago - Portugal flight offers

Find cheap flight tickets and last-minute flight deals from Chicago to Portugal

Allegiant Air
Fri 10-07 (CHI) Chicago -> (OPO) Porto
Price found 3 days ago
from €344
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

Top airlines on the route Chicago - Portugal

Airlines providing flights to Portugal from Chicago

Allegiant Air
Allegiant Air
Porter Airlines
Porter Airlines

Flight tickets from Chicago to Portugal

Don't miss the chance to find your flight from Chicago to Portugal at the lowest price! Compare flight offers and take advantage of the best deals from online travel agencies and airlines. Compare prices on thousands of flights with a click and find cheap flight deals from Chicago to Portugal and save on your airfare.

We compare offers from over 600 airlines to find the one that suits you: low-cost flights, last minute offers, and special travel agency promotions. Compare airfares from Chicago to Portugal and find the best deal for your low-cost flight.

Book the cheapest flight from Chicago to Portugal

Looking for a flight with a particular airline? Or would you rather book a flight cheaper than an amount of your choice? With Jetcost you can do this and much more. Compare airfares available online among thousands of offers from the top online airline and agencies . Jetcost helps you find the flight from Chicago to Portugal suitable for every need . After the search engine has scanned the prices from hundreds of travel agencies and airlines, both low-cost and standard, just select your preferred flight: finding the lowest price has never been easier.