Cheapest return flights from Washington to Lisbon in July from $889

Best time to book flights for Washington (IAD) to Lisbon (LIS) flights at AirHint

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

Return flights

25 Jul - 28 Jul Turkish Airlines
07 Jul - 20 Jul Icelandair
13 Jul - 21 Jul Royal Air Maroc
21 Jul - 24 Jul Turkish Airlines
03 Jul - 14 Jul Royal Air Maroc
11 Jul - 25 Jul Royal Air Maroc
14 Jul - 21 Jul Icelandair
07 Jul - 13 Jul Royal Air Maroc
08 Jul - 15 Jul TAP direct
23 Jul - 30 Jul TAP direct

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

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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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