Home Flight Deals United: Portland – Newark (and vice versa). $237 (Basic Economy) / $337 (Regular Economy). Roundtrip, including all Taxes By 5 days Ago Share on FacebookShare on Twitter Categories: Flight Deals Related Content United: Newark – Las Vegas (and vice versa). $179 (Basic Economy) / $279 (Regular Economy). Roundtrip, including all Taxes By July 1, 2024 United: Portland – Lisbon, Portugal. $569 (Basic Economy) / $769 (Regular Economy). Roundtrip, including all Taxes By July 1, 2024 American: Phoenix – Rome, Italy. $571 (Basic Economy) / $771 (Regular Economy). Roundtrip, including all Taxes By July 1, 2024 Cathay Pacific: San Francisco – Ho Chi Minh City, Vietnam. $707. Roundtrip, including all Taxes By July 1, 2024 Cathay Pacific: Los Angeles – Taipei, Taiwan. $776. Roundtrip, including all Taxes By July 1, 2024