Cheap flights from Ontario to Portland

Search for the cheapest air tickets from Ontario to Portland

Origin

Destination

Depart date

Return date

Adults

Children

Infants

Recently booked flights from Ontario to Portland

From
Ontario

To
Portland

Depart date
03.08.2026

Price
$619 / 2253ر.ق

Find the cheapest time to fly from Ontario to Portland.

August

September

April

June

American Airlines (AA)

Alaska Airlines (AS)

Delta Air Lines (DL)

06:11 → 12:49

direct

American Airlines 1194

ONT — PDX

- T - T - - -

06:11 → 12:49

1 stop

American Airlines

ONT — PDX

- T - T - - -