Cheapest return flights from Washington to Lisbon in April from $673

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

Return flights

08 Apr - 13 Apr Scandinavian Airlines
20 Apr - 29 Apr Iberia
08 Apr - 15 Apr jetBlue
30 Apr - 10 May jetBlue
21 Apr - 27 Apr Iberia
20 Apr - 27 Apr Iberia
12 Apr - 21 Apr British Airways
22 Apr - 30 Apr Iberia
29 Apr - 08 May Iberia
10 Apr - 14 Apr Air Canada
19 Apr - 27 Apr Iberia
13 Apr - 13 May jetBlue
04 Apr - 08 Apr Scandinavian Airlines
30 Apr - 08 May jetBlue
13 Apr - 18 May jetBlue
30 Apr - 13 May Air Canada
30 Apr - 04 May Air Canada
06 Apr - 06 May TAP

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

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