United Flights from Porto (OPO) starting at € 455*
Fly from Porto (OPO) and get United's best fares
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Porto (OPO)to
New York/Newark (EWR)19/02/2025 - 05/03/2025from€ 455*Viewed: 11 hours agoRoundtrip|Economy
Porto (OPO)to
Denver (DEN)01/02/2025 - 08/02/2025from€ 747*Viewed: 7 hours agoRoundtrip|Economy
Porto (OPO)to
Los Angeles (LAX)14/04/2025 - 30/04/2025from€ 991*Viewed: 5 hours agoRoundtrip|Economy
Porto (OPO)to
Kalispell (FCA)07/02/2025 - 21/02/2025from€ 849*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Montrose (MTJ)11/01/2025 - 25/01/2025from€ 729*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Vail (EGE)18/01/2025 - 22/01/2025from€ 729*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Bozeman (BZN)05/12/2024 - 09/12/2024from€ 849*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Spokane (GEG)21/01/2025 - 04/02/2025from€ 849*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Gunnison (GUC)11/01/2025 - 18/01/2025from€ 729*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Portland, OR (PDX)11/02/2025 - 25/02/2025from€ 747*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Seattle (SEA)07/02/2025 - 11/02/2025from€ 748*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Billings (BIL)04/02/2025 - 11/02/2025from€ 849*Viewed: 9 hours agoRoundtrip|Economy
Porto (OPO)to
Boise (BOI)15/02/2025 - 22/02/2025from€ 849*Viewed: 9 hours agoRoundtrip|Economy
Porto (OPO)to
Great Falls (GTF)23/01/2025 - 30/01/2025from€ 849*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Jackson (JAC)08/02/2025 - 12/02/2025from€ 729*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Aspen (ASE)28/01/2025 - 04/02/2025from€ 729*Viewed: 7 hours agoRoundtrip|Economy
Porto (OPO)to
Eugene (EUG)10/02/2025 - 24/02/2025from€ 849*Viewed: 8 hours agoRoundtrip|EconomyPorto (OPO)to
Fort Collins (FNL)28/11/2024 - 12/12/2024from€ 1.686*Viewed: 2 hours agoRoundtrip|EconomyPorto (OPO)to
Steamboat Springs (HDN)10/02/2025 - 24/02/2025from€ 728*Viewed: 8 hours agoRoundtrip|Economy
Porto (OPO)to
Helena (HLN)16/01/2025 - 30/01/2025from€ 849*Viewed: 8 hours agoRoundtrip|Economy
*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.
United popular flights from Porto (OPO)
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| FromPorto (OPO) | ToNew York/Newark (EWR) | Roundtrip | Economy | 14/02/2025 - 18/02/2025 | from € 455* Viewed: 11 hours ago |
| FromPorto (OPO) | ToDenver (DEN) | Roundtrip | Economy | 28/01/2025 - 04/02/2025 | from € 747* Viewed: 7 hours ago |
| FromPorto (OPO) | ToKalispell (FCA) | Roundtrip | Economy | 15/02/2025 - 22/02/2025 | from € 849* Viewed: 8 hours ago |
| FromPorto (OPO) | ToMontrose (MTJ) | Roundtrip | Economy | 11/01/2025 - 25/01/2025 | from € 729* Viewed: 8 hours ago |
| FromPorto (OPO) | ToVail (EGE) | Roundtrip | Economy | 19/02/2025 - 26/02/2025 | from € 729* Viewed: 8 hours ago |
| FromPorto (OPO) | ToBozeman (BZN) | Roundtrip | Economy | 18/01/2025 - 25/01/2025 | from € 849* Viewed: 8 hours ago |
| FromPorto (OPO) | ToSpokane (GEG) | Roundtrip | Economy | 21/01/2025 - 04/02/2025 | from € 849* Viewed: 8 hours ago |
| FromPorto (OPO) | ToGunnison (GUC) | Roundtrip | Economy | 11/01/2025 - 18/01/2025 | from € 729* Viewed: 8 hours ago |
| FromPorto (OPO) | ToPortland, OR (PDX) | Roundtrip | Economy | 11/02/2025 - 25/02/2025 | from € 747* Viewed: 8 hours ago |
| FromPorto (OPO) | ToSeattle (SEA) | Roundtrip | Economy | 07/02/2025 - 11/02/2025 | from € 748* Viewed: 8 hours ago |
| FromPorto (OPO) | ToBillings (BIL) | Roundtrip | Economy | 11/01/2025 - 15/01/2025 | from € 849* Viewed: 9 hours ago |
| FromPorto (OPO) | ToBoise (BOI) | Roundtrip | Economy | 15/02/2025 - 22/02/2025 | from € 849* Viewed: 9 hours ago |
| FromPorto (OPO) | ToGreat Falls (GTF) | Roundtrip | Economy | 23/01/2025 - 30/01/2025 | from € 849* Viewed: 8 hours ago |
| FromPorto (OPO) | ToJackson (JAC) | Roundtrip | Economy | 11/01/2025 - 25/01/2025 | from € 729* Viewed: 8 hours ago |
| FromPorto (OPO) | ToAspen (ASE) | Roundtrip | Economy | 21/01/2025 - 28/01/2025 | from € 729* Viewed: 7 hours ago |
| FromPorto (OPO) | ToEugene (EUG) | Roundtrip | Economy | 10/02/2025 - 24/02/2025 | from € 849* Viewed: 8 hours ago |
| FromPorto (OPO) | ToFort Collins (FNL) | Roundtrip | Economy | 29/12/2024 - 12/01/2025 | from € 3.015* Viewed: 2 hours ago |
| FromPorto (OPO) | ToSteamboat Springs (HDN) | Roundtrip | Economy | 10/02/2025 - 24/02/2025 | from € 728* Viewed: 8 hours ago |
| FromPorto (OPO) | ToHelena (HLN) | Roundtrip | Economy | 11/01/2025 - 15/01/2025 | from € 849* Viewed: 8 hours ago |
| FromPorto (OPO) | ToIdaho Falls (IDA) | Roundtrip | Economy | 21/01/2025 - 28/01/2025 | from € 849* Viewed: 9 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.