Cheapest return flights from Washington to Lisbon in January from $641

AirHint found the following cheapest return flights from Washington (IAD) to Lisbon (LIS) in January 2026 (see full year).

Return flights

17 Jan - 24 Jan TAP direct
27 Jan - 03 Feb TAP direct
07 Jan - 14 Jan TAP direct
01 Jan - 31 Jan Turkish Airlines

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

Skyscanner

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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