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Due to the effect of the current situation on air traffic, fewer offers are being submitted. Some offers might now no longer be available.
Outbound flight: 01/11/22
08:00 PDX
10:14 ONT
Portland International Airport, Oregon
Ontario-CA
direct
Alaska Airlines
Return flight: 01/16/22
07:00 ONT
09:35 PDX
Ontario-CA
Portland International Airport, Oregon
direct
Alaska Airlines
$136
Check
Outbound flight: 01/11/22
11:19 PDX
16:58 ONT
Portland International Airport, Oregon
Ontario-CA
1 Stopover
Delta Air Lines
Return flight: 01/16/22
11:05 ONT
16:50 PDX
Ontario-CA
Portland International Airport, Oregon
1 Stopover
Delta Air Lines
$179
Check
Outbound flight: 01/11/22
19:03 PDX
23:33 ONT
Portland International Airport, Oregon
Ontario-CA
1 Stopover
Delta Air Lines
Return flight: 01/16/22
06:00 ONT
10:42 PDX
Ontario-CA
Portland International Airport, Oregon
1 Stopover
Delta Air Lines
$179
Check
Outbound flight: 03/05/21
07:00 PDX
09:14 ONT
Portland International Airport, Oregon
Ontario-CA
direct
Alaska Airlines
Return flight: 03/19/21
12:00 ONT
14:29 PDX
Ontario-CA
Portland International Airport, Oregon
direct
Alaska Airlines
$257
Offers unavailable
Outbound flight: 03/05/21
05:10 PDX
11:41 ONT
Portland International Airport, Oregon
Ontario-CA
1 Stopover
American Airlines
Return flight: 03/19/21
16:33 ONT
22:56 PDX
Ontario-CA
Portland International Airport, Oregon
1 Stopover
American Airlines
$543
Offers unavailable
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Portland-Oregon to Ontario

Favorite airline: e.g. Alaska Airlines, United Airlines
50 % of flights booked on the route from Portland-Oregon to Ontario are booked with Alaska Airlines and United Airlines.
Alaska Airlines
25 %
United Airlines
25 %
Direct flights are the cheapest connection
Direct flights on this route are $49.00 cheaper on average than flights with a stopover.
non stop flight
1 stop
02h 13min
04h 54min
$334
$383
Favourite connection: via Seattle-Tacoma
The most popular route is via Seattle-Tacoma and is booked by 67 % of all travelers.
Route
bookings
1 stopover Seattle-Tacoma International Airport, WA
04h 54min, from $383
67 %
Direct flights
02h 13min, from $334
33 %
Flight information Portland-Oregon - Ontario
Alternative flight routes
Cheap direct flights
Flight details Portland-Oregon - Ontario
  • Flight duration: min. 02:15 / max. 04:55
  • Distance: 1352 km
  • Flights per week: 28
  • Return flight duration: min. 02:20 / max. 03:05
Top Flight Routes
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.