Fly one-way from Portland, ME, to San Antonio starting at $214. Bundle your Southwest Airlines® flight with a hotel or rental car booking and find even more savings.

Find United Airlines cheap flights from Portland, ME to San Antonio. Enjoy a Portland, ME to San Antonio modern flight experience in premium cabins with Wi-Fi.

Are you searching for American Airlines flights from Portland, ME to San Antonio? Find the best selections and fly in style.

Cheap Flights from Portland (PWM) to San Antonio (SAT) start at $90 for one-way and $180 for round trip. Earn your airline miles on top of our rewards!

Fly to Portland, Maine, with United Airlines from over 200 airports within the United States and an additional 100 airports internationally. Dive into local history at the Tate House Mansion, …

Find flights to San Antonio from $71. Fly from Maine on Spirit Airlines, Frontier and more. Search for San Antonio flights on KAYAK now to find the best deal.

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Portland to San Antonio. Discover the best prices and deals for you by selecting …

Book at least 2 weeks before departure in order to get a below-average price. High season is considered to be January, February and December. The cheapest month to fly from San …

Explore the most affordable flight options available from Portland to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 23, 2025. …

The trip from San Antonio to Portland can be as quick as 55 hours 20 minutes and as cost-effective as $226.98. The first bus of the day departs at 1:30 am and the last bus departs at …