Cheap flights from Portugal to Chicago from $274
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Chicago departing on 9/16. 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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TAP AIR PORTUGAL flights from Portugal to Chicago
Our best TAP AIR PORTUGAL deals on Portugal to Chicago flight tickets
Delta flights from Portugal to Chicago
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How to get the cheapest flight ticket from Portugal 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 February is, on average, the cheapest month to fly to Chicago from Portugal, with most prices found around $634. If you’re not able to fly to Chicago in February, then May is your next best option. Flight prices from Portugal to Chicago during May average around $699.
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 Sunday when prices can be found for as low as $784. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Portugal to Chicago for around $1,361.
What is the cheapest time of day to depart on your flight to Chicago?
Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Portugal to Chicago during this time can be as low as $622. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $1,145.
What is the cheapest Portugal to Chicago flight route?
Fly from Lisbon Humberto Delgado to Chicago O'Hare Intl for the best Portugal - Chicago flight prices
What cabin class options are available on Portugal to Chicago flights?
There are 3 cabin classes available to choose from on Portugal to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Portugal to Chicago flights?
You could potentially save up to 16% on your flight if you consider stops on a Portugal to Chicago flight.
What is the cheapest airline that flies from Portugal to Chicago?
Icelandair, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from Portugal to Chicago
What airlines fly to Chicago?
United Airlines, Aer Lingus and TAP AIR PORTUGAL are the top three most popular airlines that fly to Chicago from Portugal according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
How many flights depart from Portugal to Chicago on average per week?
4 flights are operational weekly from Portugal to Chicago as of June 2025. The most popular departure day for this route is Wed, with 50% of flights per week taking off on this day.
Cheap Portugal to Chicago flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portugal to Chicago
Best Price Found | $274 |
|---|---|
Fastest flight time | 9h 15m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Chicago | 2 airports |
When did momondo last update prices for flights from Portugal to Chicago?
Prices for flights from Portugal to Chicago were last updated today.
How many operators does momondo search for flights from Portugal to Chicago?
There are 4 operators available for flights from Portugal to Chicago as of June 2025.
How old do you have to be to fly from Portugal to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Chicago.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Portugal to Chicago?
momondo data reveals that the most frequently booked plane model on the route from Portugal to Chicago is Airbus A330-900neo, representing 48.44% of all bookings. The subsequent popular models are Airbus A330 at 46.88% and Airbus A330-200 at 4.69%.
Best airlines flying from Portugal to Chicago
Compare and see reviews for airlines that fly from Portugal to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $579 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom $580 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom $650 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $733 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Chicago?
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Why should I use momondo to find a flight deal from Portugal to Chicago?
It is quick and easy to find Portugal to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.
Can I find flights from Portugal to Chicago with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Portugal to Chicago flights to just show those with flexible booking policies.
How can momondo help me find flights from Portugal to Chicago?
momondo helps you find the best flight between Portugal 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 Portugal to Chicago right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Chicago from Portugal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.