Home Flight Deals American: Portland – Barcelona, Spain. $484 (Basic Economy) / $664 (Regular Economy). Roundtrip, including all Taxes By 2 months Ago Share on FacebookShare on Twitter Categories: Flight Deals Related Content United: Newark – Tulum, Mexico. $244 (Basic Economy) / $294 (Regular Economy). Roundtrip, including all Taxes By May 11, 2024 American: Portland – Shannon, Ireland. $453 (Basic Economy) / $653 (Regular Economy). Roundtrip, including all Taxes By May 11, 2024 American: Phoenix – Berlin, Germany. $552 (Basic Economy) / $752 (Regular Economy). Roundtrip, including all Taxes By May 11, 2024 American: Los Angeles – Warsaw, Poland. $474 (Basic Economy) / $674 (Regular Economy). Roundtrip, including all Taxes By May 11, 2024 United: Washington D.C. – Guatemala City, Guatemala. $175 (Basic Economy) / $265 (Regular Economy). Roundtrip, including all Taxes By May 11, 2024