Flights from Porto (OPO) starting at € 467*
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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)25/02/2026 - 01/03/2026from€ 467Viewed: 10 hours agoRoundtripEconomy
Porto (OPO)to
Chicago (ORD)18/02/2026 - 22/02/2026from€ 684Viewed: 46 minutes agoRoundtripEconomy
Porto (OPO)to
Washington, D.C. (IAD)09/04/2026 - 16/04/2026from€ 504Viewed: 51 minutes agoRoundtripEconomy
Porto (OPO)to
Houston (IAH)10/02/2026 - 24/02/2026from€ 724Viewed: 1 hour agoRoundtripEconomy
Porto (OPO)to
San Francisco (SFO)06/03/2026 - 10/03/2026from€ 636Viewed: 57 minutes agoRoundtripEconomy
Porto (OPO)to
Denver (DEN)02/04/2026 - 16/04/2026from€ 754Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Los Angeles (LAX)26/02/2026 - 05/03/2026from€ 759Viewed: 57 minutes agoRoundtripEconomy
Porto (OPO)to
Portland, OR (PDX)16/04/2026 - 20/04/2026from€ 759Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Seattle (SEA)15/04/2026 - 19/04/2026from€ 759Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Boston (BOS)12/04/2026 - 26/04/2026from€ 554Viewed: 1 hour agoRoundtripEconomy
Porto (OPO)to
Spokane (GEG)15/04/2026 - 19/04/2026from€ 859Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Aspen (ASE)10/02/2026 - 24/02/2026from€ 739Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Billings (BIL)18/02/2026 - 04/03/2026from€ 859Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Steamboat Springs (HDN)26/02/2026 - 02/03/2026from€ 739Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Boise (BOI)05/03/2026 - 09/03/2026from€ 859Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Bozeman (BZN)16/04/2026 - 20/04/2026from€ 859Viewed: 8 hours agoRoundtripEconomy
Porto (OPO)to
Great Falls (GTF)02/03/2026 - 09/03/2026from€ 859Viewed: 7 hours agoRoundtripEconomy
Porto (OPO)to
Helena (HLN)06/03/2026 - 10/03/2026from€ 859Viewed: 8 hours agoRoundtripEconomyPorto (OPO)to
Newark/New York (LGA)06/03/2026 - 10/03/2026from€ 472Viewed: 57 minutes agoRoundtripEconomyPorto (OPO)to
Montrose (MTJ)11/03/2026 - 15/03/2026from€ 739Viewed: 7 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 | 25/02/2026 - 01/03/2026 | from € 467 Viewed: 10 hours ago |
| Porto (OPO) | Chicago (ORD) | Roundtrip | Economy | 18/02/2026 - 22/02/2026 | from € 684 Viewed: 46 minutes ago |
| Porto (OPO) | Washington, D.C. (IAD) | Roundtrip | Economy | 09/04/2026 - 16/04/2026 | from € 504 Viewed: 51 minutes ago |
| Porto (OPO) | Houston (IAH) | Roundtrip | Economy | 10/02/2026 - 24/02/2026 | from € 724 Viewed: 1 hour ago |
| Porto (OPO) | San Francisco (SFO) | Roundtrip | Economy | 06/03/2026 - 10/03/2026 | from € 636 Viewed: 57 minutes ago |
| Porto (OPO) | Denver (DEN) | Roundtrip | Economy | 02/04/2026 - 16/04/2026 | from € 754 Viewed: 7 hours ago |
| Porto (OPO) | Los Angeles (LAX) | Roundtrip | Economy | 26/02/2026 - 05/03/2026 | from € 759 Viewed: 57 minutes ago |
| Porto (OPO) | Portland, OR (PDX) | Roundtrip | Economy | 16/04/2026 - 20/04/2026 | from € 759 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.