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Flights to Porto  |  From Washington

All fares are indicative. Prices are correct at the date and time last updated.
$669 USD
Air France
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Washington Dulles Intl11 Mar 2026, 19:50Porto12 Mar 2026, 10:309h 40
1 stop		Air France
Porto24 Mar 2026, 05:00Washington Dulles Intl24 Mar 2026, 17:0517h 05
1 stop		KLM
Last updated: 7 Days Ago
Date: 11 Mar - 24 Mar
$669 USD
KLM
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Washington Dulles Intl11 Mar 2026, 19:50Porto12 Mar 2026, 10:309h 40
1 stop		KLM
Porto24 Mar 2026, 09:55Washington Dulles Intl25 Mar 2026, 17:0536h 10
1 stop		KLM
Last updated: 7 Days Ago
Date: 11 Mar - 24 Mar
$670 USD
Air France
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Washington Dulles Intl9 Mar 2026, 15:35Porto10 Mar 2026, 10:3013h 55
2 stops		Air France
Porto23 Mar 2026, 11:15Washington Dulles Intl24 Mar 2026, 17:0534h 50
1 stop		KLM
Last updated: 5 Days Ago
Date: 9 Mar - 23 Mar
$670 USD
KLM
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Washington Dulles Intl9 Mar 2026, 19:50Porto10 Mar 2026, 10:309h 40
1 stop		KLM
Porto23 Mar 2026, 16:10Washington Dulles Intl24 Mar 2026, 17:0529h 55
1 stop		KLM
Last updated: 5 Days Ago
Date: 9 Mar - 23 Mar

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