Cheap flights from Porto to Chicago O'Hare Intl Airport from $365
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Chicago O'Hare Intl Airport departing on 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from Porto to Chicago O'Hare Intl Airport
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KLM flights from Porto to Chicago O'Hare Intl Airport
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How to get the cheapest flight ticket from Porto to Chicago O'Hare Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Porto averaging around $738.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Saturday when prices can be found for as low as $758. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Porto because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $879.
When to book flights from Porto to Chicago O'Hare Intl Airport
Cheap Porto to Chicago O'Hare Intl Airport (OPO to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Porto to Chicago O'Hare Intl Airport
How far is Porto to Chicago O'Hare Intl by plane?
Porto and Chicago O'Hare Intl are 3936.9 mi apart from one another. 12h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Porto Airport to Chicago O'Hare Intl Airport?
Prices for flights from Porto Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Porto Airport to Chicago O'Hare Intl Airport?
The number of operators available for flights from Porto Airport to Chicago O'Hare Intl Airport is 1 as of April 2025.
How old do you have to be to fly from Porto Airport to Chicago O'Hare Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Porto to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Porto to Chicago O'Hare Intl Airport is United Airlines (100% of total bookings).
Best airlines flying from Porto to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Porto to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $746 | Free Cancellation | Rating 7.4 8,616 reviews |
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Why should I use momondo to find a flight deal from Porto to Chicago?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Porto.
Can I find flights from Porto to Chicago with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chicago from Porto with this policy.
How can momondo help me find flights from Porto to Chicago?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Porto to Chicago.
I’m not ready to book a flight from Porto to Chicago right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Porto to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.