Cheapest return flights from Washington to Lisbon in July from $807

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

Return flights

23 Jul - 18 Aug Royal Air Maroc
19 Jul - 02 Aug Royal Air Maroc
14 Jul - 17 Jul Royal Air Maroc
07 Jul - 16 Jul Turkish Airlines
07 Jul - 24 Jul Turkish Airlines
26 Jul - 01 Aug Royal Air Maroc
05 Jul - 15 Jul Lufthansa
02 Jul - 07 Jul Royal Air Maroc
01 Jul - 10 Jul Royal Air Maroc
08 Jul - 24 Jul Royal Air Maroc
08 Jul - 30 Jul Royal Air Maroc
23 Jul - 18 Aug TAP direct
04 Jul - 25 Jul Royal Air Maroc
26 Jul - 01 Aug TAP direct
27 Jul - 03 Aug TAP direct
19 Jul - 02 Aug TAP direct
07 Jul - 14 Jul TAP direct

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

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