Cheap Flights from Chicago (ORD) to Viseu (VSE)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Viseu (VSE)

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Viseu (VSE) cost?
Secure a cheap one-way flight or cheap return flight from O'Hare Intl. Airport (ORD) to Viseu (VSE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Viseu (VSE)?
The cheapest month to fly from ORD to VSE is , when demand is low. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Viseu (VSE)?
To find the cheapest airline that'll fly you from ORD to VSE, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from O'Hare Intl. Airport (ORD) to Viseu (VSE)?
Nonstop flights from O'Hare Intl. Airport (ORD) to Viseu (VSE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to VSE?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Viseu (VSE)?
To avoid possible delays on the O'Hare Intl. Airport (ORD) to Viseu (VSE) route, travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Viseu (VSE) last-minute?
Last-minute bookings from ORD to VSE are usually more expensive. For the cheapest rates, start searching for flights well ahead of time. That being said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your journey.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Viseu (VSE)?
If you reserved your ORD to VSE flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
O'Hare Intl.
Destination airport
Viseu
Distance
3987 mi

Book with confidence

Book with confidence

Chicago to Viseu Flights

The cheapest times to fly from Chicago to Viseu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Viseu are during the month of . You can find some of the cheapest flights from Chicago to Viseu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Viseu

Sunday is one of the best days to book for cheap flights from Chicago to Viseu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Viseu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Viseu in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Viseu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Viseu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Viseu Flights

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*Available to One Key members.