Cheapest return flights from Washington to Lisbon in August from $871

Best time to book flights for Washington (DCA) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Washington (DCA) to Lisbon (LIS) in August 2025 (see full year).

Return flights

08 Aug - 22 Aug American Airlines
18 Aug - 24 Aug British Airways
15 Aug - 29 Aug British Airways
18 Aug - 31 Aug Iberia
06 Aug - 14 Aug American Airlines
08 Aug - 15 Aug TAP
08 Aug - 14 Aug TAP
29 Aug - 07 Sep Air Canada
08 Aug - 13 Aug Air Canada
09 Aug - 16 Aug British Airways
16 Aug - 23 Aug United

Also check the deals for one-way flights from Washington to Lisbon in August.

Skyscanner

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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