Cheap flights from Ontario to Portland (ONT - PDX)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Ontario to Portland are usually found in January or February, booked 60 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

How to find the cheapest flight from
Ontario (ONT) to Portland (PDX)

All the information you need to plan the best ONT to PDX flight in 2021: compare Ontario to Portland flight prices with the expected peak season, weather and rainfall in Portland.
ONT - PDX
Price
$157 - $218
PDX
Temperature
41 - 69.8 °F
PDX
Precipitation
0.7 - 5.6 inches

Popular in

October

High demand for flights, 13% potential price rise

Cheapest in

January

Best time to find cheap flights, 17% potential price drop

Round-trip from

$157

From Ontario to Portland

One-way from

$108

One-way flight from Ontario to Portland

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ontario to Portland?

Flights from Ontario to Portland are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Portland.

What is the cheapest month to fly from Ontario to Portland?

Our data shows that September tends to be the cheapest month to fly to Portland from Ontario. Users have commonly found prices around $177 for the month, but tickets can be as low as $92. Due to multiple factors, prepare for potentially higher prices in December.

How far in advance should I book a flight from Ontario to Portland?

Find a great deal and save up to 82% by booking at least 27 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Portland within the next two weeks, with the cheapest ticket starting at $228.

When is the cheapest time to fly from Ontario to Portland (ONT - PDX)?

It’s typically best to fly out from Ontario to Portland at noon. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Ontario to Portland in October, November 2021

The best prices found for ONT to PDX flights for October, November
30 Oct - 2 Nov
$128pp
ONT
Ontario
Frontier
 
1 STOP
PDX
Portland
PDX
Portland
Frontier
 
1 STOP
ONT
Ontario
3 Nov - 8 Nov
$133pp
ONT
Ontario
Frontier
 
1 STOP
PDX
Portland
PDX
Portland
Frontier
 
1 STOP
ONT
Ontario
10 Nov - 12 Nov
$137pp
ONT
Ontario
Frontier
   
2 STOPS
PDX
Portland
PDX
Portland
Frontier
   
2 STOPS
ONT
Ontario

Ontario to Portland 2021 flight deals

Cheap flights to Portland from Ontario found for this year
30 Oct - 2 Nov
$128pp
ONT
Ontario
Frontier
 
1 STOP
PDX
Portland
PDX
Portland
Frontier
 
1 STOP
ONT
Ontario
3 Nov - 8 Nov
$133pp
ONT
Ontario
Frontier
 
1 STOP
PDX
Portland
PDX
Portland
Frontier
 
1 STOP
ONT
Ontario
11 Dec - 13 Dec
$135pp
ONT
Ontario
Multiple Airlines
 
1 STOP
PDX
Portland
PDX
Portland
Multiple Airlines
 
1 STOP
ONT
Ontario

Non-stop flights to Portland from Ontario

Save time with Ontario to Portland direct flight deals
9 Feb - 16 Feb
$137pp
ONT
Ontario
Alaska Airlines
Non-Stop
PDX
Portland
PDX
Portland
Alaska Airlines
Non-Stop
ONT
Ontario
11 Dec - 15 Dec
$154pp
ONT
Ontario
Alaska Airlines
Non-Stop
PDX
Portland
PDX
Portland
Alaska Airlines
Non-Stop
ONT
Ontario
30 Nov - 2 Dec
$157pp
ONT
Ontario
Alaska Airlines
Non-Stop
PDX
Portland
PDX
Portland
Alaska Airlines
Non-Stop
ONT
Ontario

Last minute flights from Ontario to Portland

Late deals on round-trip flights to Portland from Ontario, departing today and this week
30 Oct - 2 Nov
$128pp
ONT
Ontario
Frontier
 
1 STOP
PDX
Portland
PDX
Portland
Frontier
 
1 STOP
ONT
Ontario
3 Nov - 8 Nov
$133pp
ONT
Ontario
Frontier
 
1 STOP
PDX
Portland
PDX
Portland
Frontier
 
1 STOP
ONT
Ontario
3 Nov - 5 Nov
$143pp
ONT
Ontario
Frontier
 
1 STOP
PDX
Portland
PDX
Portland
Frontier
   
2 STOPS
ONT
Ontario

One-way flights to Portland from Ontario

The cheapest one-way flights from Ontario to Portland
12:41 pm - 8:34 pm
American Airlines
1 Stop
7h 53m
ONT - PDX
American Airlines
4:32 am - 1:43 pm
Multiple Airlines
1 Stop
9h 11m
ONT - PDX
Multiple Airlines
$128
Kiwi.com
1:00 am - 7:45 am
Alaska Airlines
1 Stop
6h 45m
ONT - PDX
Alaska Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Portland</span> flights.

Flight FAQs

From Ontario to Portland

What airports do I use to fly from Ontario to Portland?

If you wish to fly to Portland from Ontario, then you need to book flights from Ontario to Portland. There are 2 flights from Ontario (ONT) to Portland (PDX) per day to choose from. Flights to Portland from Ontario are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 2h 20m is how long a nonstop flight from Ontario to Portland typically takes.

Which airlines flying from Ontario to Portland have flexible cancellations due to COVID-19?

Some of our airline partners flying from Ontario to Portland have new flexible policies in place due to COVID-19. Alaska Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Alaska Airlines with this kind of flexibility.

Can I find flights from Ontario to Portland for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to Portland for under $200. The cheapest flight booked recently is on Frontier for just $128, but on average you can expect to pay $145.

Are there nonstop flights from Ontario to Portland for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Ontario to Portland under $200. A good price for a nonstop flight from Ontario to Portland is less than $225.

Are there last-minute flights available from Ontario to Portland for under $200?

There are currently 20+ open flights from Ontario to Portland within the next 7 days for less than $200.

What days are nonstop flights available from Ontario to Portland?

Days when nonstop flights are available for this flight are: Tuesday, Friday, Saturday.

How popular is this Ontario to Portland flight route?

Flights from Ontario to Portland have been viewed 78 times in the past calendar month.

How many flights depart from Ontario to Portland on average per day?

2 flight departures from Ontario to Portland per day on average.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Ontario to Portland?

For as low as $128, Frontier can have you in Portland from Ontario in 2h 23m. There are 843 mi between Ontario and Portland. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Ontario to Portland round-trip?

Cheapflights users have booked flights from Ontario to Portland round-trip from $128. Other airlines that can offer you cheap pricing are Alaska Airlines, from $137, and Delta, from $155. Users have found that Frontier is 32% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Ontario to Portland one-way?

One-way options have recently been found by users for as low as $61 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $69 and Delta from $98 one-way.

What are the most popular airlines that fly from Ontario to Portland?

Before booking your flight from Ontario to Portland check out the most popular airlines for this route: Major Airline, American Airlines or Alaska Airlines.

What are the cheapest flights from Ontario to Portland?

On average you can expect to pay $309 for a flight from Ontario to Portland. The cheapest flight overall is $68 while the most popular route, (Ontario - Portland) is currently priced at $135.

COVID Restrictions

View COVID Travel Restrictions for Portland, OR

Do I need a COVID test to fly to Portland from Ontario?

Information is based on travel restrictions for travel to Portland within the United States

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Portland.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Portland.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Portland.

Do I need a test to fly back to Ontario from Portland?

Returning to Ontario from Portland

COVID-19 testing requirements
Visitors from Portland must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Portland, OR

Alternative routes for Ontario to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Portland

Things to know before you go - useful duration and weather info for your trip from Ontario to Portland.
Flight duration from ONT to PDX
2h 20m
Average temperature for October in Portland
66.2 °F
Avg rainfall for October in Portland
3.1 ″

Airports servicing Ontario

Airports servicing Portland

Top 7 airlines flying from Ontario to Portland

The chart below displays the airlines Cheapflights users traveling from Ontario to Portland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
JetBlue
$72 $212 No cancel fee 62%
Frontier
$76 $258 No cancel fee 62%
United Airlines
$77 $224 No cancel fee 69%
Delta
$82 $181 No cancel fee N/A
Alaska Airlines
$92 $237 No cancel fee 75%
American Airlines
$110 $287 No cancel fee 71%
Southwest
$122 $314 No cancel fee 63%

Hourly flight availability from Ontario to Portland

See what time of day planes typically take off from Ontario towards Portland.
Afternoon Noon to 6 PM 62% of ONT to PDX departures
Early morning Midnight to 6 AM 19% of ONT to PDX departures
Evening 6 PM to midnight 18% of ONT to PDX departures
Morning 6 AM to noon 1% of ONT to PDX departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Ontario to Portland
See how many times per day planes take to the skies headed from Ontario to Portland.
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
1 daily flight
Thursday
3 daily flights
Friday
3 daily flights
Saturday
2 daily flights
Home North America USA Oregon Portland Cheap flights from Ontario to Portland