American Airlines is set to expand its international network in 2027 by introducing seven new routes, three new destinations, and increased service between New York and London. The Texas-based airline announced Thursday that all newly added summer routes will operate daily, with tickets becoming available for purchase on August 31 through the airline's website and mobile app.

Brian Znotins, American's Senior Vice President of Network and Schedule Planning, stated that the airline's international network has grown to encompass a wide variety of destinations. He added that combined with investments in enhancing the onboard product and inflight experience, travelers have more incentives to choose American for global travel.

Philadelphia will gain new international service to Porto, Portugal, and Vienna, Austria, both entirely new to American's network. Additionally, service to Reykjavik, Iceland, will resume for the first time since 2019. Flights from Philadelphia to Porto are scheduled to begin March 28, followed by service to Vienna on May 6, and Reykjavik on May 27.

American Airlines will be the sole U.S. airline offering service to Vienna. This seasonal route is planned to extend through early January 2028, encompassing the winter holiday travel period.

Expansion is also occurring from New York's John F. Kennedy International Airport, with the addition of nonstop service to Amsterdam starting March 28 and to Nice, France, commencing May 6. Furthermore, American will reinstate a fourth daily flight between JFK and London Heathrow on March 28. In conjunction with partner British Airways, the airlines anticipate offering up to 14 daily flights between New York and London.

Elsewhere, American will initiate service between Chicago O'Hare and Tokyo Narita on March 19, aiming to capitalize on growing demand surrounding Japan's cherry blossom season. A new route from Charlotte to Barcelona will launch on May 27, making Charlotte the sixth U.S. gateway from which American serves Barcelona.

The airline is also advancing the seasonal launch dates for its returning routes from Charlotte to Paris and Miami to Milan to March 4, reflecting increased demand for spring travel to Europe. These international route expansions follow American's recent announcement of a significant overhaul to its onboard experience, which includes upgrading entertainment systems on more than 800 narrowbody aircraft with 4K displays, Bluetooth connectivity, and USB-C charging.