Recent round-trip flight deals
8/13Tue
1 stopSWISS
13h 20mBOS-OPO
9/3Tue
1 stopSWISS
16h 25mOPO-BOS
8/13Tue
2 stopsSWISS
15h 35mBOS-OPO
9/3Tue
1 stopSWISS
16h 25mOPO-BOS
8/13Tue
2 stopsSWISS
14h 35mBOS-OPO
9/3Tue
2 stopsSWISS
26h 05mOPO-BOS
9/23Mon
1 stopTAP AIR PORTUGAL
15h 00mBOS-OPO
10/21Mon
1 stopTAP AIR PORTUGAL
21h 20mOPO-BOS
9/23Mon
1 stopVueling
17h 20mBOS-OPO
10/22Tue
1 stopVueling
28h 15mOPO-BOS
8/28Wed
1 stopBritish Airways
30h 50mSFO-OPO
9/11Wed
2 stopsBritish Airways
29h 26mOPO-SFO
11/27Wed
1 stopLufthansa
23h 50mMIA-OPO
12/8Sun
1 stopLufthansa
32h 10mOPO-MIA
11/5Tue
1 stopVueling
16h 55mBOS-OPO
11/11Mon
1 stopVueling
28h 45mOPO-BOS
10/9Wed
1 stopVueling
17h 20mLAX-OPO
10/23Wed
1 stopVueling
28h 15mOPO-LAX
11/3Sun
2 stopsAir Canada
21h 20mDEN-OPO
11/12Tue
2 stopsAir Canada
33h 53mOPO-DEN