*All amounts are in USD. Taxes and surcharges are included. No booking fee is applicable. Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees may apply.
Washington, D.C. (IAD) to Porto (OPO) flights
From USD569
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today
today
*Modifying this information may result in a different fare
Weather in Porto
Wednesday
broken clouds
60°F
05/14/2025
Thursday
sky is clear
61°F
05/15/2025
Friday
sky is clear
70°F
05/16/2025
Saturday
light rain
71°F
05/17/2025
Sunday
light rain
67°F
05/18/2025
Monday
light rain
63°F
05/19/2025
Tuesday
light rain
65°F
05/20/2025
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