Flights from Porto (OPO) starting at € 466*
expand_more
1 Passenger, Economy
expand_morePromotion Code
expand_moreexpand_more
today
today
Fly from Porto and get United's best fares
flight_takeoff
flight_land
€
Porto (OPO)to
Newark/New York (EWR)10/02/2026 - 24/02/2026from€ 466Viewed: 13 hours agoRoundtripEconomy
Porto (OPO)to
Los Angeles (LAX)04/03/2026 - 08/03/2026from€ 758Viewed: 4 hours agoRoundtripEconomy
Porto (OPO)to
Houston (IAH)18/02/2026 - 22/02/2026from€ 723Viewed: 3 hours agoRoundtripEconomy
Porto (OPO)to
Washington, D.C. (IAD)19/02/2026 - 23/02/2026from€ 503Viewed: 4 hours agoRoundtripEconomy
Porto (OPO)to
Chicago (ORD)04/03/2026 - 11/03/2026from€ 683Viewed: 4 hours agoRoundtripEconomy
Porto (OPO)to
Denver (DEN)18/02/2026 - 04/03/2026from€ 753Viewed: 10 hours agoRoundtripEconomy
Porto (OPO)to
San Francisco (SFO)03/03/2026 - 10/03/2026from€ 635Viewed: 4 hours agoRoundtripEconomy
Porto (OPO)to
Steamboat Springs (HDN)26/02/2026 - 12/03/2026from€ 738Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Aspen (ASE)05/03/2026 - 12/03/2026from€ 738Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Eugene (EUG)10/03/2026 - 17/03/2026from€ 858Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Idaho Falls (IDA)10/03/2026 - 24/03/2026from€ 858Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Boston (BOS)26/02/2026 - 02/03/2026from€ 553Viewed: 4 hours agoRoundtripEconomy
Porto (OPO)to
Great Falls (GTF)06/03/2026 - 10/03/2026from€ 858Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Jackson (JAC)25/02/2026 - 04/03/2026from€ 738Viewed: 11 hours agoRoundtripEconomyPorto (OPO)to
Montrose (MTJ)23/02/2026 - 09/03/2026from€ 738Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Billings (BIL)10/02/2026 - 24/02/2026from€ 858Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Boise (BOI)17/03/2026 - 31/03/2026from€ 858Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Bozeman (BZN)17/03/2026 - 24/03/2026from€ 858Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Vail (EGE)10/02/2026 - 24/02/2026from€ 738Viewed: 11 hours agoRoundtripEconomy
Porto (OPO)to
Kalispell (FCA)04/03/2026 - 11/03/2026from€ 858Viewed: 11 hours agoRoundtripEconomy
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
United popular flights from Porto (OPO)
flight_takeoff
flight_land
€
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Porto (OPO) | Newark/New York (EWR) | Roundtrip | Economy | 10/02/2026 - 24/02/2026 | from € 466 Viewed: 13 hours ago |
| Porto (OPO) | Los Angeles (LAX) | Roundtrip | Economy | 04/03/2026 - 08/03/2026 | from € 758 Viewed: 4 hours ago |
| Porto (OPO) | Houston (IAH) | Roundtrip | Economy | 18/02/2026 - 22/02/2026 | from € 723 Viewed: 3 hours ago |
| Porto (OPO) | Washington, D.C. (IAD) | Roundtrip | Economy | 19/02/2026 - 23/02/2026 | from € 503 Viewed: 4 hours ago |
| Porto (OPO) | Chicago (ORD) | Roundtrip | Economy | 04/03/2026 - 11/03/2026 | from € 683 Viewed: 4 hours ago |
| Porto (OPO) | Denver (DEN) | Roundtrip | Economy | 18/02/2026 - 04/03/2026 | from € 753 Viewed: 10 hours ago |
| Porto (OPO) | San Francisco (SFO) | Roundtrip | Economy | 03/03/2026 - 10/03/2026 | from € 635 Viewed: 4 hours ago |
| Porto (OPO) | Steamboat Springs (HDN) | Roundtrip | Economy | 26/02/2026 - 12/03/2026 | from € 738 Viewed: 11 hours ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.