AirHint found the following cheapest return flights from Washington (DCA) to Lisbon (LIS) in November 2025 (see full year).

Return flights

04 Nov - 11 Nov	British Airways
02 Nov - 09 Nov	jetBlue
11 Nov - 18 Nov	Air Canada
12 Nov - 19 Nov	Air France
19 Nov - 26 Nov	KLM
25 Nov - 02 Dec	Air Canada
26 Nov - 03 Dec	KLM
18 Nov - 25 Nov	KLM
05 Nov - 12 Nov	United
27 Nov - 02 Dec	Air Canada
13 Nov - 21 Nov	KLM
06 Nov - 13 Nov	KLM
27 Nov - 04 Dec	Air France
09 Nov - 16 Nov	KLM
30 Nov - 07 Dec	KLM
24 Nov - 01 Dec	Air France
29 Nov - 06 Dec	Air Canada
30 Nov - 06 Dec	Air Canada

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

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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Cheapest return flights from Washington to Lisbon in November from $497

Return flights