$362 Cheap British Airways flights from Chicago to Lisbon (ORD to LIS)

Make sure you go to our Covid-19 Travel Advisor to learn if there are any current travel advice reports and quarantine requirements in effect in Lisbon/Portela Airport when flying in from O’Hare Airport.

Your ticket usually tells you which terminal your British Airways flight will be boarding from at O’Hare Airport. It might also be able to provide you with the arrival details for Lisbon Airport. If not, it might be a good idea to consult your airline before you fly.

As you can’t fly nonstop from O’Hare Intl. Airport (ORD) to Lisbon Airport with British Airways, make the most of your layover. Order one of your favorite drinks at an airport bar, or wander around the terminal and enjoy some retail therapy.

If you love binge-watching films, you probably won’t mind the fact that your British Airways flight from O’Hare Intl. Airport (ORD) to Lisbon Airport will take on average 10 hours and 35 minutes. Be sure to download your favorite films before you step on the plane, or simply make good use of the in-flight entertainment.

When jetting from ORD to LIS, you’ll find at least 3 British Airways daily flights to select from.

For more info about changing your flight to Lisbon Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.