Roundtrip Seattle to San Antonio TX Airfares on American Airlines

No special codes or coupons are required. These roundtrip airfares allow a personal item and a carry-on bag.

• The deal is available for travel on select dates departing Seattle in January, February, and March (Jan 13-14, 17, 21, 24, 27-28, 31; Feb 3-4, 7, 10, 17-18, 21, 24-25, 28; March 3-4, 7, 10-11, 17-18) and departing San Antonio in January, February, and March (Jan 10, 13-14, 20-21, 24, 27-28, 31; Feb 3-4, 10-11, 14, 17-18, 24-25, 28; March 3-4, 10-11, 17-18).
• This offer expires on March 31, 2026.