American Airlines is the largest operator out of Philadelphia International Airport, carrying roughly 70% of the airport's passengers last year.
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American Airlines will officially add three new international routes out of Philadelphia International Airport next year.
The airline announced on Thursday that flights to the European cities of Porto, Portugal, and Vienna, Austria, will depart from Philadelphia in 2027.
The airline is also adding trips to Reykjavik, Iceland, a route that was previously announced in 2019 but never came to fruition because of pandemic travel restrictions.
The flight to Porto was announced earlier this year, but required government approval.
Flights will begin operating to Porto on March 28, to Vienna on May 6, and to Reykjavik on May 27. The routes to Porto and Vienna will be operated on Airbus A321XLR aircraft, and the route to Reykjavik will be served on an Airbus A321neo.
Travelers can purchase tickets on the new routes beginning on Aug. 31. When the new routes are operational, American will have 21 trans-Atlantic routes operating out of PHL.
The new destinations are American’s latest service expansion at PHL. American is the largest carrier out of PHL by passenger volume, carrying more than 20 million travelers through the airport last year — nearly 70% of PHL’s total passengers. The second largest carrier, Frontier Airlines, carried roughly 3 million passengers through the airport in 2025.
American increased the number of flights traveling through Philadelphia by 10% this summer compared to the same time last year, according to the airline.
John F. Kennedy International Airport in New York, one of America’s other trans-Atlantic gateways, sees business and leisure travel, but Philadelphia “has a much bigger footprint when it comes to leisure summer travel,” said Cesar Marchese, vice president of operations for the airline in Philadelphia.
In recent years, American has added new flights out of Philadelphia to Copenhagen, Denmark; Nice, France; and Naples, Italy. The airline has also recently brought back routes to Budapest, Hungary, and Prague, Czech Republic.
