Cheapest return flights from Washington to Porto in June from $1014

AirHint found the following cheapest return flights from Washington (DCA) to Porto (OPO) in June 2026 (see full year).

Return flights

10 Jun - 22 Jun British Airways
17 Jun - 28 Jun Air Canada
17 Jun - 27 Jun Air Canada
23 Jun - 07 Jul TAP
17 Jun - 24 Jun TAP

Also check the deals for one-way flights from Washington to Porto in June.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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