Home Flight Deals American: Dallas – Lisbon, Portugal. $538 (Basic Economy) / $718 (Regular Economy). Roundtrip, including all Taxes By 3 months Ago Share on FacebookShare on Twitter Categories: Flight Deals Related Content American: Los Angeles – Athens, Greece. $541 (Basic Economy) / $741 (Regular Economy). Roundtrip, including all Taxes By May 9, 2024 American: San Francisco – Paris, France. $477 (Basic Economy) / $677 (Regular Economy). Roundtrip, including all Taxes By May 9, 2024 American: Phoenix – Barcelona, Spain. $543 (Basic Economy) / $743 (Regular Economy). Roundtrip, including all Taxes By May 9, 2024 jetBlue: New York – Ponce, Puerto Rico. $177 (Basic Economy) / $227 (Regular Economy). Roundtrip, including all Taxes By May 9, 2024 Alaska Air: Portland – Dallas (and vice versa). $130 (Basic Economy) / $220 (Regular Economy). Roundtrip, including all Taxes By May 9, 2024