Cheapest return flights from Washington to Lisbon in April from $649

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

Return flights

28 Apr - 05 May jetBlue
16 Apr - 19 Apr Air Canada
15 Apr - 21 Apr jetBlue
09 Apr - 19 Apr Air Canada
29 Apr - 06 May Delta
20 Apr - 30 Apr British Airways
13 Apr - 24 Apr British Airways
15 Apr - 29 Apr British Airways
29 Apr - 08 May Iberia
03 Apr - 12 Apr Air Canada
22 Apr - 27 Apr Air Canada
12 Apr - 27 Apr British Airways
22 Apr - 28 Apr Air Canada
26 Apr - 02 May Air Canada
30 Apr - 08 May jetBlue
13 Apr - 13 May jetBlue
23 Apr - 02 May Air Canada
13 Apr - 18 May jetBlue
30 Apr - 10 May Iberia
30 Apr - 19 May British Airways

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

Powered by

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.