Home Flight Deals Korean Air: Los Angeles – Singapore. $889. Roundtrip, including all Taxes By 1 week Ago Share on FacebookShare on Twitter Categories: Flight Deals Related Content United: Newark – Santa Ana (Orange County), California (and vice versa). $269 (Basic Economy) / $369 (Regular Economy). Roundtrip, including all Taxes By June 30, 2024 American: Seattle – Portland, Maine (and vice versa). $198 (Basic Economy) / $298 (Regular Economy). Roundtrip, including all Taxes By June 30, 2024 American: Los Angeles – Portland, Maine (and vice versa). $236 (Basic Economy) / $336 (Regular Economy). Roundtrip, including all Taxes By June 30, 2024 Lufthansa: San Francisco – Cairo, Egypt. $774. Roundtrip, including all Taxes By June 30, 2024 United: Philadelphia – San Jose, Costa Rica. $274 (Basic Economy) / $364 (Regular Economy). Roundtrip, including all Taxes By June 30, 2024