AirHint found the following cheapest one-way flights from Washington (DCA) to Lisbon (LIS) in March 2026 (see full year).
One-Way flights
| 16 Mar | British Airways | ||
| 24 Mar | British Airways | ||
| 15 Mar | British Airways | ||
| 29 Mar | WestJet | ||
| 13 Mar | Air France | ||
| 06 Mar | Air France | ||
| 25 Mar | WestJet | ||
| 26 Mar | British Airways |
Also check the deals for return flights from Washington to Lisbon in March.
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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.
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