Cheapest return flights from Raleigh-durham to Lisbon in May from $731
AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Lisbon (LIS) in May 2025 (see full year).
Return flights
| 20 May - 30 May | Icelandair | ||
| 28 May - 11 Jun | Breeze Airways |
Also check the deals for one-way flights from Raleigh-durham to Lisbon in May.
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.
