Cheapest one-way flights from Washington to Lisbon in June from 350€

AirHint found the following cheapest one-way flights from Washington (IAD) to Lisbon (LIS) in June 2026 (see full year).

One-Way flights

07 Jun Icelandair
09 Jun Porter Airlines (Canada) Ltd
10 Jun Frontier Airlines
13 Jun Porter Airlines (Canada) Ltd
15 Jun Porter Airlines (Canada) Ltd
19 Jun Porter Airlines (Canada) Ltd
28 Jun Icelandair
22 Jun Porter Airlines (Canada) Ltd
23 Jun Porter Airlines (Canada) Ltd
24 Jun Porter Airlines (Canada) Ltd

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

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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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