San Antonio: cheap flights and the best time to go
The River Walk, the Alamo and theme parks. Texas · Cities, Family
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Cheapest round trip
Safety level
U.S. U.S. destination: no State Department travel advisory
The State Department's travel advisories
Levels: 1 Exercise normal precautions · 2 Exercise increased caution · 3 Reconsider travel · 4 Do not travel. Read the advisory before you book; it can change. Checked 2026-10-07.
Best time to go
For the weather: January, February, March (highs of 62–82°F, not too much rain). With fares from your airport, the best months weigh weather 60% and price 40%.
| Month | High | Low | Rain | Cheapest round trip from JFK |
|---|---|---|---|---|
| January (a best month) | 64°F | 40°F | 2.1 in | … |
| February (a best month) | 67°F | 43°F | 1.6 in | … |
| March (a best month) | 74°F | 51°F | 2.2 in | … |
| April | 81°F | 57°F | 1.9 in | … |
| May | 87°F | 66°F | 3.3 in | … |
| June | 92°F | 72°F | 3.3 in | … |
| July | 94°F | 74°F | 3.1 in | … |
| August | 96°F | 74°F | 2.5 in | … |
| September | 90°F | 69°F | 4.4 in | … |
| October | 81°F | 59°F | 4.5 in | … |
| November | 72°F | 49°F | 2.3 in | … |
| December | 64°F | 40°F | 1.7 in | … |
Typical daily high and low and total rain, 1991–2020: NOAA NCEI GHCN-Daily, station SAN ANTONIO INCARNATE WORD (6 km away). ★ = the best three months. Fares are the cheapest found for trips leaving that month in the next year.
Prices are per seat for a round trip in economy; with more than one traveler they're the total for your party (babies under 2 on a lap need no seat). The booking site shows the final price for everyone.