Cheapest one-way flights from Washington to Lisbon in April from 340€
AirHint found the following cheapest one-way flights from Washington (IAD) to Lisbon (LIS) in April 2025 (see full year).
One-Way flights
| 20 Apr | Icelandair | ||
| 27 Apr | Fly Play | ||
| 23 Apr | Royal Air Maroc | ||
| 15 Apr | Porter Airlines (Canada) Ltd | ||
| 27 Apr | TAP | direct | |
| 23 Apr | TAP | direct | |
| 15 Apr | TAP | direct | |
| 26 Apr | TAP | direct | |
| 24 Apr | TAP | direct |
Also check the deals for return flights from Washington to Lisbon in April.
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.
