Cheapest one-way flights from Washington to Lisbon in April from $388

AirHint found the following cheapest one-way flights from Washington (DCA) to Lisbon (LIS) in April 2026 (see full year).

One-Way flights

20 Apr jetBlue
01 Apr jetBlue
07 Apr Scandinavian Airlines
10 Apr jetBlue
17 Apr jetBlue
15 Apr Air Canada
22 Apr jetBlue
03 Apr jetBlue

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

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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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