Book Cheap Flights from Ontario with Alaska Airlines
Find round-trip flight deals from Ontario.*
Ontario (ONT)to
Seattle (SEA)
Ontario (ONT)to
Portland (PDX)
Ontario (ONT)to
Honolulu (HNL)
Ontario (ONT)to
Boise (BOI)
Ontario (ONT)to
Santa Rosa (STS)
Ontario (ONT)to
Maui (OGG)
Ontario (ONT)to
Anchorage (ANC)
Ontario (ONT)to
Spokane (GEG)
Ontario (ONT)to
Vancouver (YVR)
Ontario (ONT)to
Newark (EWR)Ontario (ONT)to
Kona (KOA)
Ontario (ONT)to
Lihue (LIH)*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
One-way flight deals from Ontario.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Ontario (ONT) | Redmond (RDM) | One-way | Saver | Depart: Jul 7, 2026 | From $130 Seen: 8 hours ago | |
| Ontario (ONT) | Redmond (RDM) | One-way | Saver | Depart: Jul 21, 2026 | From $130 Seen: 8 hours ago | |
| Ontario (ONT) | Redmond (RDM) | One-way | Saver | Depart: Aug 18, 2026 | From $130 Seen: 8 hours ago | |
| Ontario (ONT) | Redmond (RDM) | One-way | Saver | Depart: Aug 19, 2026 | From $130 Seen: 8 hours ago | |
| Ontario (ONT) | Redmond (RDM) | One-way | Saver | Depart: Aug 26, 2026 | From $130 Seen: 8 hours ago | |
| Ontario (ONT) | Redmond (RDM) | One-way | Saver | Depart: Aug 30, 2026 | From $130 Seen: 8 hours ago | |
| Ontario (ONT) | Vancouver (YVR) | One-way | Saver | Depart: Aug 17, 2026 | From $132 Seen: 8 hours ago | |
| Ontario (ONT) | Pasco (PSC) | One-way | Saver | Depart: Oct 31, 2026 | From $155 Seen: 8 hours ago | |
| Ontario (ONT) | Pasco (PSC) | One-way | Saver | Depart: Jul 9, 2026 | From $155 Seen: 8 hours ago | |
| Ontario (ONT) | Pasco (PSC) | One-way | Saver | Depart: Jul 20, 2026 | From $155 Seen: 8 hours ago | |
| Ontario (ONT) | Pasco (PSC) | One-way | Saver | Depart: Jul 29, 2026 | From $155 Seen: 8 hours ago | |
| Ontario (ONT) | Pasco (PSC) | One-way | Saver | Depart: Aug 3, 2026 | From $155 Seen: 8 hours ago | |
| Ontario (ONT) | Pasco (PSC) | One-way | Saver | Depart: Aug 7, 2026 | From $155 Seen: 8 hours ago | |
| Ontario (ONT) | Nashville (BNA) | One-way | Saver | Depart: Aug 11, 2026 | From $161 Seen: 8 hours ago | |
| Ontario (ONT) | Nashville (BNA) | One-way | Saver | Depart: Aug 3, 2026 | From $161 Seen: 8 hours ago | |
| Ontario (ONT) | Nashville (BNA) | One-way | Saver | Depart: Aug 6, 2026 | From $161 Seen: 8 hours ago | |
| Ontario (ONT) | Nashville (BNA) | One-way | Saver | Depart: Aug 7, 2026 | From $161 Seen: 8 hours ago | |
| Ontario (ONT) | Nashville (BNA) | One-way | Saver | Depart: Aug 14, 2026 | From $161 Seen: 8 hours ago | |
| Ontario (ONT) | Nashville (BNA) | One-way | Saver | Depart: Aug 18, 2026 | From $161 Seen: 8 hours ago | |
| Ontario (ONT) | Eugene (EUG) | One-way | Saver | Depart: Jun 17, 2026 | From $162 Seen: 8 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.