Flights from Porto (OPO) starting at € 441*
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1 Passenger, Economy
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today
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Fly from Porto and get United's best fares
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Porto (OPO)to
Newark/New York (EWR)19/03/2026 - 23/03/2026from€ 441Viewed: 10 hours agoRoundtripEconomy
Porto (OPO)to
Chicago (ORD)15/04/2026 - 19/04/2026from€ 683Viewed: 1 hour agoRoundtripEconomy
Porto (OPO)to
Denver (DEN)21/05/2026 - 25/05/2026from€ 723Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
San Francisco (SFO)01/04/2026 - 15/04/2026from€ 605Viewed: 2 hours agoRoundtripEconomy
Porto (OPO)to
Seattle (SEA)28/05/2026 - 01/06/2026from€ 758Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Washington, D.C. (IAD)21/05/2026 - 25/05/2026from€ 503Viewed: 1 hour agoRoundtripEconomy
Porto (OPO)to
Los Angeles (LAX)13/05/2026 - 27/05/2026from€ 728Viewed: 2 hours agoRoundtripEconomy
Porto (OPO)to
Aspen (ASE)19/03/2026 - 23/03/2026from€ 738Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Portland, OR (PDX)17/03/2026 - 31/03/2026from€ 758Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Billings (BIL)23/04/2026 - 27/04/2026from€ 858Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Spokane (GEG)20/05/2026 - 27/05/2026from€ 858Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Boston (BOS)12/05/2026 - 26/05/2026from€ 523Viewed: 1 hour agoRoundtripEconomy
Porto (OPO)to
Great Falls (GTF)19/03/2026 - 23/03/2026from€ 858Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Montrose (MTJ)19/03/2026 - 23/03/2026from€ 738Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Boise (BOI)17/04/2026 - 21/04/2026from€ 858Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Vail (EGE)16/03/2026 - 30/03/2026from€ 738Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Eugene (EUG)14/05/2026 - 28/05/2026from€ 858Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Kalispell (FCA)14/04/2026 - 28/04/2026from€ 858Viewed: 8 hours agoRoundtripEconomyPorto (OPO)to
Steamboat Springs (HDN)17/03/2026 - 24/03/2026from€ 738Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Jackson (JAC)28/04/2026 - 05/05/2026from€ 738Viewed: 8 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)
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Porto (OPO) | Newark/New York (EWR) | Roundtrip | Economy | 19/03/2026 - 23/03/2026 | from € 441 Viewed: 10 hours ago |
| Porto (OPO) | Chicago (ORD) | Roundtrip | Economy | 15/04/2026 - 19/04/2026 | from € 683 Viewed: 1 hour ago |
| Porto (OPO) | Denver (DEN) | Roundtrip | Economy | 21/05/2026 - 25/05/2026 | from € 723 Viewed: 8 hours ago |
| Porto (OPO) | San Francisco (SFO) | Roundtrip | Economy | 01/04/2026 - 15/04/2026 | from € 605 Viewed: 2 hours ago |
| Porto (OPO) | Seattle (SEA) | Roundtrip | Economy | 28/05/2026 - 01/06/2026 | from € 758 Viewed: 8 hours ago |
| Porto (OPO) | Washington, D.C. (IAD) | Roundtrip | Economy | 21/05/2026 - 25/05/2026 | from € 503 Viewed: 1 hour ago |
| Porto (OPO) | Los Angeles (LAX) | Roundtrip | Economy | 13/05/2026 - 27/05/2026 | from € 728 Viewed: 2 hours ago |
| Porto (OPO) | Aspen (ASE) | Roundtrip | Economy | 19/03/2026 - 23/03/2026 | from € 738 Viewed: 8 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.