Cheapest return flights from Washington to Lisbon in January from $614

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

Return flights

21 Jan - 26 Jan Air Canada
23 Jan - 28 Jan Air Canada
30 Jan - 11 Feb Scandinavian Airlines
15 Jan - 19 Jan Scandinavian Airlines
17 Jan - 23 Jan Air Canada
22 Jan - 26 Jan Air Canada
22 Jan - 29 Jan Frontier Airlines
22 Jan - 27 Jan Air Canada
31 Jan - 12 Feb Air Canada
21 Jan - 22 Jan jetBlue
12 Jan - 18 Jan jetBlue
14 Jan - 19 Jan jetBlue

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

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