Cheapest one-way flights from Washington to Lisbon in May from 640€

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

AirHint found the following cheapest one-way flights from Washington (DCA) to Lisbon (LIS) in May 2025 (see full year).

One-Way flights

05 May Finnair
14 May jetBlue
29 May TAP

Also check the deals for return flights from Washington to Lisbon in May.

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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