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

Return flights

25 Nov - 02 Dec	Air Canada
14 Nov - 21 Nov	Icelandair
10 Nov - 17 Nov	Air Canada
11 Nov - 18 Nov	Air Canada
05 Nov - 19 Nov	Scandinavian Airlines
27 Nov - 04 Dec	Air Canada
12 Nov - 19 Nov	Air Canada
17 Nov - 24 Nov	Air Canada
15 Nov - 22 Nov	TAP	direct
18 Nov - 25 Nov	TAP	direct
29 Nov - 06 Dec	TAP	direct
16 Nov - 23 Nov	TAP	direct
28 Nov - 05 Dec	TAP	direct
30 Nov - 07 Dec	TAP	direct
11 Nov - 18 Nov	TAP	direct
27 Nov - 04 Dec	TAP	direct
24 Nov - 01 Dec	Air Canada
14 Nov - 06 Dec	TAP	direct
26 Nov - 03 Dec	Air Canada
11 Nov - 06 Dec	TAP	direct

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Washington to Lisbon in November from 399€

Return flights