Cheapest return flights from Washington (DCA) to Lisbon (LIS), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
19 Aug 26 Aug jetBlue
18 Aug 25 Aug jetBlue
24 Aug 31 Aug jetBlue
29 Aug 05 Sep Air Canada
13 Aug 20 Aug Air Canada
27 Aug 03 Sep Air Canada
22 Aug 29 Aug Air Canada
30 Aug 07 Sep jetBlue
31 Aug 07 Sep jetBlue
15 Aug 22 Aug Air Canada
20 Aug 25 Aug jetBlue
30 Aug 06 Sep jetBlue
10 Aug 17 Aug jetBlue
08 Aug 15 Aug Air Canada
31 Aug 04 Sep jetBlue
16 Aug 23 Aug Air Canada
28 Aug 04 Sep Air Canada
25 Aug 01 Sep jetBlue
26 Aug 02 Sep jetBlue
Powered by

deals for one-way flights from Washington to Lisbon in August.

Book a cheap hotel in Lisbon

Cheap car rent in Lisboa

Updated Jun 7, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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