Cheapest one-way flights from Portland to Quito in May from $236
AirHint found the following cheapest one-way flights from Portland (PDX) to Quito (UIO) in May 2025 (see full year).
One-Way flights
| 19 May | Frontier Airlines | ||
| 29 May | Frontier Airlines | ||
| 31 May | Frontier Airlines | ||
| 20 May | Hawaiian Airlines | ||
| 13 May | Frontier Airlines |
Also check the deals for return flights from Portland to Quito 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.
