AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Lisbon (LIS) in April 2026 (see full year).
Return flights
| 23 Apr - 27 Apr | British Airways | ||
| 02 Apr - 09 Apr | United |
Also check the deals for one-way flights from Raleigh-durham 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.
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