Airlines Adding, Resuming Flights from Pittsburgh for Summer Travel

As the new Pittsburgh International Airport terminal approaches its first summer with passengers, airlines are adding new routes and resuming seasonal service ahead of the busiest travel period of the year.

Compared to summer 2025, this summer at PIT will see an increased capacity of 1.4 percent in terms of schedule seats, meaning more options for travelers.

Just weeks ago on March 29, United Airlines launched daily, nonstop service between Pittsburgh and Los Angeles, which marked United’s return to the route for the first time in 12 years. United is one of three carriers offering nonstop service on the Pittsburgh-Los Angeles route which includes ongoing American Airlines service and Breeze Airways, which resumes June 2.

Breeze, one of PIT’s fastest-growing carriers, will begin nonstop flights to Louisville on April 30, days before the Kentucky Derby, and Myrtle Beach on July 3, each operating twice a week. Louisville and Myrtle Beach bring Breeze to 15 nonstop destinations served from PIT, the second most of any carrier.

Southwest Airlines, PIT’s largest carrier, will begin nonstop flights to Destin-Fort Walton Beach on June 6, the carrier’s 21st destination from Pittsburgh. Southwest will operate nonstop, seasonal service on Saturdays through August, offering Pittsburghers another convenient way to reach Northwest Florida.

And PIT will welcome its newest flight to Europe when Aer Lingus launches nonstop flights to Dublin on May 25, the region’s first ever nonstop service to Ireland. Aer Lingus will operate service to Dublin four times a week with flights on Sundays, Mondays, Wednesdays and Fridays, providing Pittsburgh with more connectivity to Europe.

Dublin on Aer Lingus becomes PIT’s third transatlantic destination joining year-round service to London Heathrow on British Airways, now daily, and Icelandair’s nonstop service to Reykjavik scheduled to resume May 8 with up to four flights a week through late October. Total seat capacity on flights between Pittsburgh and Europe is expected to be the airport’s highest since 2018.

Elsewhere airlines are also scheduled to bring back additional flights and seasonal routes at PIT for the busy summer season.

Nonstop flights between Pittsburgh and Montreal operated by Air Canada will return on May 1, with flights operating daily through October. Air Canada’s Montreal route supplements its year-round service to Toronto from Pittsburgh, which will increase to twice daily for the summer.

Pittsburgh’s nonstops to Seattle on Alaska Airlines will double this summer with the carrier resuming its second daily flight May 13. The second flight, which runs through October, will operate as a redeye with a morning outbound from PIT supplementing the carrier’s existing afternoon flight that operates the rest of the year.

Ultra-low-cost carrier Allegiant Air is increasing its schedule from Pittsburgh with seasonal resumptions to many popular markets. It resumed nonstop flights to Destin-Fort Walton Beach on April 1 with up to four flights a week and will resume service to Austin and Myrtle Beach on May 22.

On May 7, Breeze will resume seasonal flights to Greenville-Spartanburg, Jacksonville, Fla., and Portland, Maine. Greenville-Spartanburg, which Breeze added in 2025, will have flights operate on Mondays and Fridays. Jacksonville flights will operate nonstop twice a week on Sundays and Thursdays and Portland nonstop will operate three times a week on Sundays, Tuesdays and Thursdays.

Breeze will also resume its nonstop flights to the West Coast with twice weekly flights to San Diego returning May 8 and Los Angeles service scheduled to resume June 2 with nonstops offered on Sundays, Tuesdays and Thursdays.

Along with adding new flights to Destin-Fort Walton Beach, Southwest is also resuming several seasonal routes this summer.

Effective June 4, Southwest will resume nonstop service between Pittsburgh and San Diego with its largest schedule since it began the route in 2024. Service will operate four times a week on Sundays, Mondays, Thursdays and Fridays, up from its initial Saturday-only schedule during the route’s first two years of operation. Southwest will also operate its Pittsburgh-San Diego route longer; rather that pausing service in August, the airline will now offer flights through late October.

Additionally, Southwest will resume seasonal nonstop flights to Cancun, Mexico, and Myrtle Beach on June 6. Flights to Cancun will operate on Saturdays through August and service to Myrtle Beach will operate on Saturdays through September.

Ultra-low-cost carrier Sun Country Airlines will once again return to Pittsburgh this summer with the resumption of its scheduled nonstop passenger service to Minneapolis resuming May 28. Sun Country will operate flights twice a week on Thursdays and Sundays through Aug. 16.

Sun Country will resume its Pittsburgh-Minneapolis route this summer amid its merger with Allegiant, which was first announced in January. The $1.5 billion merger, which has passed federal regulatory review, is now expected to close in May.