Flights from Porto (OPO) starting at € 466*
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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)05/03/2026 - 09/03/2026from€ 466Viewed: 10 hours agoRoundtripEconomy
Porto (OPO)to
San Francisco (SFO)01/03/2026 - 08/03/2026from€ 635Viewed: 18 minutes agoRoundtripEconomy
Porto (OPO)to
Denver (DEN)05/03/2026 - 09/03/2026from€ 753Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Los Angeles (LAX)25/02/2026 - 11/03/2026from€ 757Viewed: 28 minutes agoRoundtripEconomy
Porto (OPO)to
Steamboat Springs (HDN)05/03/2026 - 09/03/2026from€ 737Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Houston (IAH)13/03/2026 - 17/03/2026from€ 723Viewed: 27 minutes agoRoundtripEconomy
Porto (OPO)to
Boise (BOI)11/03/2026 - 18/03/2026from€ 857Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Aspen (ASE)12/03/2026 - 16/03/2026from€ 737Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Eugene (EUG)17/03/2026 - 31/03/2026from€ 857Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Washington, D.C. (IAD)19/03/2026 - 23/03/2026from€ 503Viewed: 6 minutes agoRoundtripEconomy
Porto (OPO)to
Chicago (ORD)04/03/2026 - 08/03/2026from€ 683Viewed: 11 minutes agoRoundtripEconomy
Porto (OPO)to
Boston (BOS)01/03/2026 - 15/03/2026from€ 553Viewed: 17 minutes agoRoundtripEconomy
Porto (OPO)to
Idaho Falls (IDA)04/03/2026 - 18/03/2026from€ 857Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Portland, OR (PDX)19/02/2026 - 26/02/2026from€ 757Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Bozeman (BZN)17/02/2026 - 24/02/2026from€ 857Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Great Falls (GTF)05/03/2026 - 12/03/2026from€ 857Viewed: 7 hours agoRoundtripEconomyPorto (OPO)to
Montrose (MTJ)04/03/2026 - 18/03/2026from€ 737Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Billings (BIL)06/03/2026 - 10/03/2026from€ 857Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Vail (EGE)04/03/2026 - 18/03/2026from€ 737Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Kalispell (FCA)26/02/2026 - 12/03/2026from€ 857Viewed: 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 | 05/03/2026 - 09/03/2026 | from € 466 Viewed: 10 hours ago |
| Porto (OPO) | San Francisco (SFO) | Roundtrip | Economy | 01/03/2026 - 08/03/2026 | from € 635 Viewed: 18 minutes ago |
| Porto (OPO) | Denver (DEN) | Roundtrip | Economy | 05/03/2026 - 09/03/2026 | from € 753 Viewed: 7 hours ago |
| Porto (OPO) | Los Angeles (LAX) | Roundtrip | Economy | 25/02/2026 - 11/03/2026 | from € 757 Viewed: 28 minutes ago |
| Porto (OPO) | Steamboat Springs (HDN) | Roundtrip | Economy | 05/03/2026 - 09/03/2026 | from € 737 Viewed: 7 hours ago |
| Porto (OPO) | Houston (IAH) | Roundtrip | Economy | 13/03/2026 - 17/03/2026 | from € 723 Viewed: 27 minutes ago |
| Porto (OPO) | Boise (BOI) | Roundtrip | Economy | 11/03/2026 - 18/03/2026 | from € 857 Viewed: 8 hours ago |
| Porto (OPO) | Aspen (ASE) | Roundtrip | Economy | 12/03/2026 - 16/03/2026 | from € 737 Viewed: 7 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.