Cheapest one-way flights from Honolulu to Barcelona in September from $525
AirHint found the following cheapest one-way flights from Honolulu (HNL) to Barcelona (BCN) in September 2025 (see full year).
One-Way flights
| 30 Sep | Hawaiian Airlines | ||
| 23 Sep | Lufthansa |
Also check the deals for return flights from Honolulu to Barcelona in September.
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.
