Recent round-trip flight deals
8/4Sun
1 stopTAP AIR PORTUGAL
22h 10mSFO-OPO
8/18Sun
1 stopTAP AIR PORTUGAL
27h 50mOPO-SFO
7/25Thu
1 stopTAP AIR PORTUGAL
31h 40mSFO-OPO
8/4Sun
1 stopTAP AIR PORTUGAL
27h 50mOPO-SFO
8/12Mon
1 stopTAP AIR PORTUGAL
14h 05mSFO-OPO
8/21Wed
1 stopTAP AIR PORTUGAL
23h 40mOPO-SFO
7/8Mon
1 stopTAP AIR PORTUGAL
14h 05mSFO-OPO
7/14Sun
1 stopTAP AIR PORTUGAL
22h 55mOPO-SFO
7/10Wed
1 stopTAP AIR PORTUGAL
20h 50mSFO-OPO
7/14Sun
1 stopTAP AIR PORTUGAL
29h 50mOPO-SFO
8/11Sun
1 stopTAP AIR PORTUGAL
13h 50mSFO-OPO
8/21Wed
1 stopTAP AIR PORTUGAL
23h 40mOPO-SFO
11/29Fri
1 stopVueling
29h 10mMIA-OPO
12/11Wed
1 stopVueling
16h 25mOPO-MIA
10/21Mon
1 stopVueling
12h 15mBOS-OPO
11/2Sat
1 stopVueling
18h 05mOPO-BOS
10/29Tue
1 stopVueling
17h 55mLAX-OPO
11/6Wed
1 stopVueling
27h 45mOPO-LAX
11/6Wed
1 stopUnited Airlines
16h 35mDEN-OPO
11/20Wed
2 stopsUnited Airlines
53h 36mOPO-DEN