Route Price Intelligence
Cheap Flights From San Antonio to Philadelphia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Philadelphia is $178 round trip from San Antonio on Frontier, roughly half the usual $363 this route runs, a 51% discount. You're a short ride from Independence Hall, world-class museums, and the original cheesesteak spots, with this fare open for travel over the coming months.
✓ 9 date combinations found at this price
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Best Time to Fly from San Antonio to Philadelphia
The cheapest time to fly from San Antonio to Philadelphia is typically May, when fares average around $246. The most expensive month tends to be March at around $520. For the best deals, consider flying in May, June, July.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route