Cheapest return flights from Washington to Lisbon in July from $792

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

Return flights

04 Jul - 25 Jul Royal Air Maroc
08 Jul - 30 Jul Royal Air Maroc
20 Jul - 25 Jul Royal Air Maroc
14 Jul - 21 Jul Royal Air Maroc
05 Jul - 12 Jul Royal Air Maroc
06 Jul - 13 Jul Royal Air Maroc
19 Jul - 02 Aug Royal Air Maroc
16 Jul - 23 Jul Royal Air Maroc
17 Jul - 24 Jul Royal Air Maroc
04 Jul - 11 Jul Royal Air Maroc
01 Jul - 05 Jul Royal Air Maroc
19 Jul - 02 Aug TAP direct

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

Powered by

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.