Cheapest return flights from Raleigh-durham to Lisbon in May from 787€
AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Lisbon (LIS) in May 2025 (see full year).
Return flights
| 10 May - 19 May | Air Canada | ||
| 03 May - 17 May | United | ||
| 09 May - 17 May | Lufthansa | ||
| 10 May - 17 May | Finnair |
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.
