Cheapest return flights from Washington to Lisbon in July from 782€

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

Return flights

14 Jul - 19 Jul Royal Air Maroc
19 Jul - 30 Jul Royal Air Maroc
20 Jul - 27 Jul Aer Lingus
07 Jul - 24 Jul Aer Lingus
06 Jul - 13 Jul Aer Lingus
08 Jul - 30 Jul Lufthansa
21 Jul - 01 Aug Royal Air Maroc
01 Jul - 10 Jul Porter Airlines (Canada) Ltd
05 Jul - 15 Jul Porter Airlines (Canada) Ltd
20 Jul - 01 Aug Porter Airlines (Canada) Ltd
19 Jul - 30 Jul TAP direct
28 Jul - 04 Aug TAP direct
04 Jul - 25 Jul Porter Airlines (Canada) Ltd
29 Jul - 10 Aug Aer Lingus
20 Jul - 01 Aug TAP direct
21 Jul - 01 Aug TAP direct
29 Jul - 10 Aug TAP direct

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

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