Cheapest one-way flights from Washington to Lisbon in November from $423

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

One-Way flights

26 Nov Frontier Airlines
19 Nov Aer Lingus
21 Nov Allegiant Air
19 Nov TAP direct
26 Nov TAP direct
20 Nov Allegiant Air

Also check the deals for return flights from Washington to Lisbon in November.

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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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