United flights from Porto to the United States from $ 492*

Find United's best fares from Porto (OPO) to the United States

$
Select travel class

*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.

Business class flights from Porto (OPO) to the United States

$

Porto (OPO)to

New York/Newark (EWR)
12/18/24 - 01/10/25

Roundtrip

|

Business

from
$ 3,176*
Viewed: 1 day ago

Porto (OPO)to

Houston (IAH)
12/14/24 - 12/27/24

Roundtrip

|

Business

from
$ 3,567*
Viewed: 1 day 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.

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