Flights from Ontario to Portland, OR from $ 227*
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1 Passenger, Economy
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today
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Featured daily fares for flights from Ontario (ONT) to Portland, OR (PDX)
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More United deals on Ontario (ONT) to Portland, OR (PDX) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Ontario (ONT) | Portland, OR (PDX) | Roundtrip | Economy | 03/27/26 - 03/30/26 | from $ 556 Viewed: 37 minutes ago |
| Ontario (ONT) | Portland, OR (PDX) | Roundtrip | Economy | 04/17/26 - 04/19/26 | from $ 227 Viewed: 20 hours ago |
| Ontario (ONT) | Portland, OR (PDX) | Roundtrip | Economy | 06/06/26 - 06/07/26 | from $ 233 Viewed: 1 day ago |
| Ontario (ONT) | Portland, OR (PDX) | Roundtrip | Economy | 06/04/26 - 06/06/26 | from $ 254 Viewed: 1 day ago |
| Ontario (ONT) | Portland, OR (PDX) | Roundtrip | Economy | 06/05/26 - 06/06/26 | from $ 276 Viewed: 1 day ago |
| Ontario (ONT) | Portland, OR (PDX) | Roundtrip | Economy | 04/26/26 - 04/26/26 | from $ 330 Viewed: 21 hours ago |
| Ontario (ONT) | Portland, OR (PDX) | Roundtrip | Economy | 04/17/26 - 04/19/26 | from $ 442 Viewed: 20 hours ago |
| Ontario (ONT) | Portland, OR (PDX) | Roundtrip | Economy | 06/04/26 - 06/06/26 | from $ 443 Viewed: 1 day ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
