Cheapest return flights from Raleigh-durham to Lisbon in July from $863

Best time to book flights for Raleigh-durham (RDU) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Lisbon (LIS) in July 2025 (see full year).

Return flights

11 Jul - 17 Jul Frontier Airlines
09 Jul - 16 Jul United
15 Jul - 22 Jul United
30 Jul - 06 Aug United
11 Jul - 18 Jul jetBlue
02 Jul - 08 Jul Lufthansa
21 Jul - 28 Jul United
24 Jul - 31 Jul United
27 Jul - 03 Aug United
02 Jul - 09 Jul United
04 Jul - 11 Jul United
18 Jul - 25 Jul United

Also check the deals for one-way flights from Raleigh-durham to Lisbon in July.

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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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