Cheapest one-way flights from Washington to Lisbon in April from 344€

Best time to book flights for Washington (IAD) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest one-way flights from Washington (IAD) to Lisbon (LIS) in April 2025 (see full year).

One-Way flights

03 Apr Frontier Airlines
08 Apr Porter Airlines (Canada) Ltd
02 Apr Porter Airlines (Canada) Ltd
25 Apr Royal Air Maroc
30 Apr Royal Air Maroc
16 Apr Royal Air Maroc
15 Apr Porter Airlines (Canada) Ltd
24 Apr Lufthansa
25 Apr TAP direct
01 Apr United direct

Also check the deals for return flights from Washington to Lisbon in April.

Skyscanner

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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