Cheap Flights from Chicago (ORD) to Alenquer (ALT)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Alenquer (ALT)

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Flights from Chicago (ORD) to Alenquer (ALT)
Origin airport
O'Hare Intl.
Destination airport
Alenquer
Distance
3673 mi

Chicago to Alenquer Flights

The cheapest times to fly from Chicago to Alenquer

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 Alenquer are during the month of . You can find some of the cheapest flights from Chicago to Alenquer with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Alenquer

Sunday is one of the best days to book for cheap flights from Chicago to Alenquer: 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 Alenquer

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 Alenquer 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 Alenquer 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 Alenquer 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.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Alenquer (ALT) cost?
Lock in a cheap one-way flight or cheap return flight from O'Hare Intl. Airport (ORD) to Alenquer (ALT) 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 Alenquer (ALT)?
is the cheapest month to fly from ORD to ALT. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Alenquer (ALT)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ORD to ALT flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Alenquer (ALT)?
You'll need to book a flight with a layover when traveling from O'Hare Intl. Airport (ORD) to Alenquer (ALT). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from ORD to ALT?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, carrier and other factors.*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 Alenquer (ALT)?
To land at Alenquer (ALT) without delays, book a flight that leaves from O'Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Alenquer (ALT) last-minute?
Holding off until just before your departure to book your flight from ORD to ALT generally means paying more. While it's possible to find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary to boost your chances of getting a bargain.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Alenquer (ALT)?
If you reserved your ORD to ALT flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type 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, go to our Customer Service portal if you want more information.

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*Available to One Key members.