Cheapest return flights from Washington to Lisbon in May from 570€

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 May 2025 (see full year).

Return flights

06 May - 13 May Air France
05 May - 12 May Virgin Atlantic
07 May - 14 May Delta
08 May - 15 May Delta
17 May - 24 May Delta
13 May - 22 Jun Delta
24 May - 31 May Delta
31 May - 07 Jun Delta
13 May - 18 May Delta
09 May - 16 May jetBlue

Also check the deals for one-way 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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