Cheap flights from Chicago to Porto from $270
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Porto departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.Easily compare round-trip flights from Chicago to Porto
Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to Porto by changing tabs
Find the cheapest one-way flights from Chicago to Porto
If you're looking for one-way flights from Chicago to Porto, view some of our deals below provided by TAP AIR PORTUGAL and United Airlines
Search last-minute flights to Porto from Chicago
Find and compare round-trip flight prices for your last-minute flight from Chicago to Porto
Lufthansa flights from Chicago to Porto
Our best Lufthansa deals on Chicago to Porto flight tickets
Air Canada flights from Chicago to Porto
Our best Air Canada deals on Chicago to Porto flight tickets
How to get the cheapest flight ticket from Chicago to Porto
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 from Chicago to Porto?
November. The cheapest time of year to fly to Porto from Chicago is November. Most expensive is June
What is the cheapest day to depart Chicago for Porto?
Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Tuesday
When is the cheapest time to fly from Chicago to Porto?
In the afternoon. Chicago to Porto flights are approximately 34% more expensive at noon than in the afternoon
What is the cheapest airline that flies to Porto from Chicago?
Iberia. American Airlines, British Airways, and Delta are the most popular carriers operating from Chicago to Porto
What is the cheapest Chicago to Porto flight route?
Chicago O'Hare Intl - Porto. Fly from Chicago O'Hare Intl to Porto for the best Chicago - Porto flight prices
How far in advance should you book Chicago to Porto flights?
6 days before. The cheapest time to buy a flight from Chicago to Porto is approximately 6 days to departure
Cheap Chicago to Porto (CHI to OPO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Porto
Best Price Found | $270 |
|---|---|
Fastest flight time | 10h 30m |
Direct flights | None |
Airports in Porto | 1 airport |
How far is Chicago to Porto by plane?
A flight from Chicago to Porto will travel around 3927.7 mi. By plane, this route typically takes 10h 30m.
When did momondo last update prices for flights from Chicago to Porto Airport?
Prices for flights from Chicago to Porto Airport refresh daily.
How many operators does momondo search for flights from Chicago to Porto Airport?
As of May 2024, there are 9 operators available to choose from for flights from Chicago to Porto Airport.
How old do you have to be to fly from Chicago to Porto Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Chicago to Porto
Compare and see reviews for airlines that fly from Chicago to Porto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $474 | Free Cancellation | Rating 7.1 2,104 reviews | |||
| PriceFrom $484 | Free Cancellation | Rating 7.1 2,742 reviews | |||
| PriceFrom $520 | Free Cancellation | Rating 7.8 1,520 reviews | |||
| PriceFrom $520 | Free Cancellation | Rating 8.0 10,457 reviews | |||
| PriceFrom $523 | Free Cancellation | Rating 6.8 6,765 reviews | |||
| PriceFrom $532 | Free Cancellation | Rating 7.3 14,284 reviews | |||
| PriceFrom $589 | Free Cancellation | Rating 7.7 1,954 reviews | |||
| PriceFrom $619 | Free Cancellation | Rating 7.4 10,777 reviews | |||
| PriceFrom $634 | Free Cancellation | Rating 6.9 7,582 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Porto?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Porto. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Chicago to Porto with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Chicago to Porto flights to just show those with flexible booking policies.
How can momondo help me find flights from Chicago to Porto?
momondo provides multiple filters to help you find the best flight to Porto from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Porto right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.