Cheapest one-way flights from Washington to Lisbon in July from $372

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

One-Way flights

27 Jul TAP direct
28 Jul TAP direct
21 Jul Porter Airlines (Canada) Ltd
22 Jul Air Canada
20 Jul ITA Airways
18 Jul ITA Airways
25 Jul Royal Air Maroc
31 Jul Icelandair
23 Jul TAP direct
21 Jul TAP direct

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

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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