Cheap flights from Porto to Chicago 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 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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How to get the cheapest flight ticket from Porto to Chicago
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?
The month of March is, on average, the cheapest month to fly to Chicago from Porto, with most prices found around $635. If you’re not able to fly to Chicago in March, then February is your next best option. Flight prices from Porto to Chicago during February average around $644.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Saturday when prices can be found for as low as $581. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Porto to Chicago for around $956.
When to book flights from Porto to Chicago
Cheap Porto to Chicago (OPO to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Porto to Chicago
How far is Porto to Chicago by plane?
Porto and Chicago are 3927.7 mi apart from one another. By plane, this route typically takes 11h 59m.
When did momondo last update prices for flights from Porto Airport to Chicago?
Prices for flights from Porto Airport to Chicago were last updated today.
How many operators does momondo search for flights from Porto Airport to Chicago?
There is 1 operator available for flights from Porto Airport to Chicago as of April 2025.
How old do you have to be to fly from Porto Airport to Chicago?
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.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Porto to Chicago
Compare and see reviews for airlines that fly from Porto to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $746 | Free Cancellation | Rating 7.4 8,615 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?
All flight searches from Porto to Chicago on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Porto to Chicago?
momondo helps you find the best flight between Porto and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Porto to Chicago right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Porto to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.