Cheapest return flights from Washington to Porto in June from 598€

Best time to book flights for Washington (IAD) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Porto (OPO) in June 2025 (see full year).

Return flights

03 Jun - 10 Jun TAP
09 Jun - 16 Jun TAP
01 Jun - 08 Jun TAP
02 Jun - 09 Jun TAP
04 Jun - 11 Jun TAP
10 Jun - 17 Jun TAP
05 Jun - 12 Jun Porter Airlines (Canada) Ltd
06 Jun - 13 Jun TAP
08 Jun - 15 Jun TAP
11 Jun - 18 Jun Air Canada
30 Jun - 07 Jul TAP
27 Jun - 06 Jul 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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