Cheapest one-way flights from Washington (IAD) to Lisbon (LIS), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
30 Oct Icelandair
16 Oct Icelandair
02 Oct Icelandair
19 Oct Icelandair
15 Oct Icelandair
20 Oct Frontier Airlines
23 Oct Icelandair
31 Oct Icelandair
01 Oct Icelandair
08 Oct Icelandair
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deals for return flights from Washington to Lisbon in October.

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Updated Jul 15, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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