Cheapest return flights from Washington (DCA) to Lisbon (LIS), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
01 Oct 08 Oct Air Canada
28 Oct 04 Nov Air Canada
02 Oct 09 Oct Air Canada
14 Oct 21 Oct Air Canada
27 Oct 03 Nov Air Canada
04 Oct 11 Oct Air Canada
13 Oct 20 Oct Air Canada
22 Oct 01 Nov jetBlue
22 Oct 29 Oct Air Canada
30 Oct 06 Nov Air Canada
29 Oct 05 Nov Air Canada
26 Oct 02 Nov Air Canada
14 Oct 30 Oct Delta
23 Oct 30 Oct Air Canada
25 Oct 01 Nov Air Canada
19 Oct 28 Oct British Airways
31 Oct 07 Nov Air Canada
12 Oct 19 Oct Air Canada
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Updated Jul 8, 2026.

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