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

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
26 Sep 03 Oct Air Canada
25 Sep 02 Oct Air Canada
01 Sep 10 Sep jetBlue
16 Sep 23 Sep jetBlue
23 Sep 28 Sep jetBlue
17 Sep 24 Sep jetBlue
10 Sep 13 Sep jetBlue
15 Sep 20 Sep jetBlue
02 Sep 07 Sep jetBlue
02 Sep 22 Sep Scandinavian Airlines
04 Sep 11 Sep jetBlue
21 Sep 29 Sep Air Canada
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deals for one-way flights from Washington to Lisbon in September.

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Updated Jun 8, 2026.

About these fares

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