United Airlines will begin service on three new domestic routes from San Francisco on March 28, 2027. These routes include connections to Charleston, South Carolina; Hartford, Connecticut; and Oklahoma City, Oklahoma. The Charleston route will be seasonal, operating through November 30, 2027, while flights to Hartford and Oklahoma City will run year-round. Currently, none of these three cities have nonstop flights to San Francisco.
United Airlines and Air Canada Launch Seasonal Canadian Routes
United Airlines will also operate seasonal flights in partnership with Air Canada next year. Daily service between Denver, Colorado, and Ottawa, Canada, will run from April 29 to October 31, 2027. Another seasonal route between Denver
and Quebec City starts May 29, 2027, operating on Saturdays only through October 30, 2027. Additionally, a Saturday-only service between Newark, New Jersey, and St. John’s, Canada, will be available from June 24 to September 7, 2027.
Tickets for all six routes are currently on sale. The new nonstop options from San Francisco to Charleston, Hartford, and Oklahoma City will expand travel choices for passengers, while the seasonal flights to Canadian cities provide additional options during peak travel months next year.
