$156 Cheap American Airlines flights Portland (PDX) to Ontario (ONT)

View $156 flight on Sat, Apr 18, 2026Opens in a new window

$156 Cheap American Airlines flights Portland (PDX) to Ontario (ONT)

Prices were available within the past 7 days and start at $156 for one-way flights and $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Apr 18 - Tue, Apr 21
PDX
Portland
ONT
Ontario
$256 Roundtrip, found 3 hours ago
$256
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Apr 18 from Portland to Ontario, returning Tue, Apr 21, priced at $256 found 3 hours ago
American Airlines
Wed, May 20 - Fri, May 29
PDX
Portland
ONT
Ontario
$367 Roundtrip, found 1 hour ago
$367
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, May 20 from Portland to Ontario, returning Fri, May 29, priced at $367 found 1 hour ago

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $191
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $191

Find the cheapest month to fly from Portland (PDX) to Ontario (ONT)

October is typically the cheapest month to fly

From $77 - $157 per traveler.

Travel information

Origin airport
Portland Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
1342 km
Average flight time
2 hours 45 mins

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