Cheapest return flights from Washington to Lisbon in July from $795

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

Return flights

13 Jul - 26 Jul Royal Air Maroc
13 Jul - 24 Jul Royal Air Maroc
20 Jul - 30 Jul Royal Air Maroc
14 Jul - 22 Jul Royal Air Maroc
27 Jul - 31 Jul Royal Air Maroc
02 Jul - 06 Jul Royal Air Maroc
28 Jul - 04 Aug Iberia
29 Jul - 05 Aug Iberia
13 Jul - 20 Jul Royal Air Maroc
25 Jul - 01 Aug Royal Air Maroc
11 Jul - 18 Jul Royal Air Maroc
01 Jul - 05 Jul Royal Air Maroc
23 Jul - 30 Jul Royal Air Maroc
30 Jul - 06 Aug Royal Air Maroc
31 Jul - 07 Aug Iberia
27 Jul - 03 Aug Turkish Airlines
26 Jul - 02 Aug Royal Air Maroc
29 Jul - 05 Aug TAP direct
28 Jul - 04 Aug TAP direct
30 Jul - 06 Aug TAP direct

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

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