$29+ Cheap flights from Portland to Ontario (PDX - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — ONT
Jul 16 — Jul 231

The best prices from Portland to Ontario are usually found in April or May, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Portland to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 11, 2024.

Popular in

March

Cheapest in

April

Round-trip from

$48
(Frontier)

One-way from

$29
(Frontier)
High demand for flights, 33% potential price rise
Best time to find cheap flights, 43% potential price drop
From Portland to Ontario
One-way flight from Portland to Ontario

What is the cheapest day to fly round-trip from Portland to Ontario?

Flights from Portland to Ontario are found to be more expensive on Saturday. 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 Ontario.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 217% on flights from Portland to Ontario compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $338. For sooner than that we have options available in the next 3 days from $658.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Ontario. Flights to Ontario from Portland in January are about $231 on average during January, but can be found for as low as $79.

What is the cheapest time of day to fly from PDX to ONT?

When flying from Portland to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 50% versus a flight in the morning.

Cheap Portland to Ontario flights in July & August 2024

Find cheap flight options from Portland to Ontario specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,800,118 searches. Prices were last updated on July 11, 2024.
Listed are some of the best fares we've found on flights departing from Portland to Ontario in 2024. Check back in a little while for more flight options.
This Frontier deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/74:55 pmPDX - ONT
Nonstop2h 20mFrontier
Wed 8/141:42 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$48
This Frontier deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/107:39 pmPDX - ONT
Nonstop2h 20mFrontier
Tue 8/133:34 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/9$53
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/86:37 pmPDX - ONT
Nonstop2h 20mFrontier
Tue 8/133:34 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$55
This Frontier deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/207:44 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 8/34:17 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$58
This Frontier deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Mon 7/229:58 amONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$59
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/277:44 pmPDX - ONT
Nonstop2h 20mFrontier
Mon 7/299:58 amONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$60
This mytrip.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/67:10 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 8/104:26 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$61
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 8/174:26 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$63
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/136:47 pmPDX - ONT
Nonstop2h 20mFrontier
Thu 8/223:34 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$64

Portland to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Portland and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,800,118 searches. Data last updated July 11, 2024.
Listed are some of the best fares we've found on flights departing from Portland to Ontario in 2024. Check back in a little while for more flight options.
This Frontier deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/74:55 pmPDX - ONT
Nonstop2h 20mFrontier
Wed 8/141:42 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$48
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/105:14 pmPDX - ONT
Nonstop2h 21mFrontier
Tue 9/172:01 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$50
This Frontier deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/105:14 pmPDX - ONT
Nonstop2h 21mFrontier
Sun 9/152:06 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$53
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/86:37 pmPDX - ONT
Nonstop2h 20mFrontier
Tue 8/133:34 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$55
This Frontier deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/207:44 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 8/34:17 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$58
This Frontier deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Mon 7/229:58 amONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$59
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/277:44 pmPDX - ONT
Nonstop2h 20mFrontier
Mon 7/299:58 amONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$60
This mytrip.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/67:10 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 8/104:26 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$61
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 8/174:26 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$63

Portland to Ontario flights leaving soon

Find last-minute flight options from Portland to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,800,118 searches. Data last updated July 11, 2024.
Book one of these great deals on flights from Portland to Ontario. Users should examine the flight details to ensure there are no surprises.
This Frontier deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/207:44 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 8/34:17 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$58
This Frontier deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Mon 7/229:58 amONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$59
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Tue 7/233:57 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$60
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 8/174:26 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$63
This Booking.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/186:37 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 7/204:31 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$68
This Frontier deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/207:44 pmPDX - ONT
Nonstop2h 20mFrontier
Sun 7/283:02 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/10$99
This Frontier deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/207:44 pmPDX - ONT
Nonstop2h 20mFrontier
Sun 7/283:02 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 7/11$101
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Sat 8/178:06 pmONT - PDX
1 stop12h 18mFrontier
Deal found 7/10$103
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Wed 7/248:00 pmONT - PDX
1 stop22h 28mFrontier
Deal found 7/10$104

One-way flights to Ontario from Portland

Search for one-way flight options from Portland to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,800,118 searches. Data last updated July 11, 2024.
Take a look at some of the one-way flights we've detected from Portland to Ontario. Users in need of a round-trip flight from Portland to Ontario instead should update the search form at the top of page.
This Frontier deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/174:50 pmPDX - ONT
Nonstop2h 20mFrontier
Deal found 7/10$29
This Trip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/256:37 pmPDX - ONT
Nonstop2h 20mFrontier
Deal found 7/10$30
This Trip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/86:37 pmPDX - ONT
Nonstop2h 20mFrontier
Deal found 7/10$31
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/55:14 pmPDX - ONT
Nonstop2h 21mFrontier
Deal found 7/10$33
This Frontier deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/225:19 pmPDX - ONT
Nonstop2h 21mFrontier
Deal found 7/9$39
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/37:20 pmPDX - ONT
Nonstop2h 20mFrontier
Deal found 7/10$41
This FlightNetwork deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightNetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/256:47 pmPDX - ONT
Nonstop2h 20mFrontier
Deal found 7/10$46
This Frontier deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/305:14 pmPDX - ONT
Nonstop2h 21mFrontier
Deal found 7/10$49
This Frontier deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/135:19 pmPDX - ONT
Nonstop2h 21mFrontier
Deal found 7/10$50

Find flights from Portland to Ontario within your budget

Customize your flight search to find flights from Portland to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,800,118 searches. Data last updated July 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$48 - $191

Route

Depart

Return

Price

PortlandOntario

PDX - ONT

PDXONT

Portland

Wed 8/7

Nonstop2h 20m

Ontario

Wed 8/14

Nonstop2h 13m

$48

PortlandOntario

PDX - ONT

PDXONT

Portland

Tue 9/10

Nonstop2h 21m

Ontario

Tue 9/17

Nonstop2h 13m

$50

PortlandOntario

PDX - ONT

PDXONT

Portland

Tue 9/10

Nonstop2h 21m

Ontario

Sun 9/15

Nonstop2h 13m

$53

PortlandOntario

PDX - ONT

PDXONT

Portland

Thu 8/8

Nonstop2h 20m

Ontario

Tue 8/13

Nonstop2h 13m

$55

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 9/13

Nonstop2h 21m

Ontario

Mon 9/16

Nonstop2h 13m

$58

PortlandOntario

PDX - ONT

PDXONT

Portland

Wed 8/14

Nonstop2h 20m

Ontario

Thu 8/22

Nonstop2h 13m

$59

PortlandOntario

PDX - ONT

PDXONT

Portland

Sat 7/27

Nonstop2h 20m

Ontario

Mon 7/29

Nonstop2h 13m

$60

PortlandOntario

PDX - ONT

PDXONT

Portland

Sat 8/17

1 stop6h 14m

Ontario

Tue 8/20

Nonstop2h 21m

$176

PortlandOntario

PDX - ONT

PDXONT

Portland

Tue 8/27

1 stop5h 04m

Ontario

Sat 8/31

1 stop6h 04m

$191

Flights are sorted by cheapest first

Deals found on 7/10

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Ontario. Price data was last updated on July 5, 2024.
The price you pay for your flight from Portland to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Portland to Ontario. Price data was last updated on July 7, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to Ontario flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Portland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated July 11, 2024.
See what other customers who have flown with Frontier and Alaska Airlines from Portland to Ontario have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,367 reviews

Boarding

8.2

Entertainment

7.2

Overall

8.1

Comfort

7.9

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

8.1
Very good
9,367 reviews
8.1
Very good
9,367 reviews

Boarding

8.2

Entertainment

7.2

Overall

8.1

Comfort

7.9

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

8.0
Very good
9,842 reviews
8.1
Very good
9,367 reviews

Boarding

8.2

Entertainment

7.2

Overall

8.1

Comfort

7.9

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

7.4
Good
10,000 reviews
8.1
Very good
9,367 reviews

Boarding

8.2

Entertainment

7.2

Overall

8.1

Comfort

7.9

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

6.2
Okay
3,868 reviews
8.1
Very good
9,367 reviews

Boarding

8.2

Entertainment

7.2

Overall

8.1

Comfort

7.9

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Related info for your journey

Find useful and relevant information for your journey from Portland to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Portland to Ontario?

    You will need to book a flight from Portland to Ontario if you want to fly from Portland to Ontario. At least 6 different airlines have flights from Portland (PDX) to Ontario (ONT) on a regular basis. There are 2 flights to Ontario from the Portland airport per day. If you manage to book one that is nonstop, then you can expect the flight time from PDX to ONT to be around 2h 10m.

  • Can I find flights from Portland to Ontario for under $100 on Cheapflights?

    Yes, there are multiple flights from Portland to Ontario for under $100. The cheapest flight booked recently is on Frontier for just $48, but on average you can expect to pay $64.

  • Are there nonstop flights from Portland to Ontario for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Portland to Ontario under $100. A good price for a nonstop flight from Portland to Ontario is less than $64.

  • Are there last-minute flights available from Portland to Ontario for under $100?

    There are currently 20+ open flights from Portland to Ontario within the next 7 days for less than $100.

  • How popular is this Portland to Ontario flight route?

  • What is the cheapest airline to fly from Portland to Ontario round-trip?

    Frontier, at $48, was found to be the cheapest airline from Portland to Ontario.. Frontier is priced at 79% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Portland to Ontario?

    The top 3 most reliable airlines when flying from Portland to Ontario are SkyWest Airlines (91%), Frontier (90%) and British Airways (90%).

  • What are the cheapest flights from Portland to Ontario?

    While on average a flight from Portland to Ontario is generally $141, our data shows the cheapest flight currently is $30. When looking at the most popular route, (Portland - Ontario), you can expect to pay $63 for that flight.

  • What does PDX to ONT mean?

    Portland Airport is PDX and Ontario Airport is ONT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Portland to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Portland to Ontario that include hotel bookings?

    Yes. In addition to deals on Portland to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Ontario.

  • Can I find deals for business class flights from Portland to Ontario?

    Yes. Cheapflights offers flight deals from Portland to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Portland to Ontario that allow pets onboard?

    Many airlines flying from Portland to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Ontario?

    Yes, you can often find last-minute deals on Portland to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland to Ontario flight deals updated?

    The Portland to Ontario flight deals you see on this page were last updated on 7/11.

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

  • What is the cheapest month to book a flight from Portland to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Portland to Ontario (average of $241). Flying from Portland to Ontario in July is currently the most expensive (average of $312). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 6 airlines flying from Portland to Ontario

Discover the top 6 airlines that operate flights from Portland to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,800,118 searches. Data last updated July 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$126FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$165FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$127Average$318FlexibilityNo cancel feeOn-time75%
DeltaCheapest$151Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$162Average$418FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$356FlexibilityNo cancel feeOn-time69%

Search flights from Portland to Ontario by cabin class

Find flights from Portland to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Portland to Ontario

Find hourly flight availability from Portland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 11, 2024.
1%of flight departuresEarly morningMidnight to 6 am
21%of flight departuresMorning6 am to noon
27%of flight departuresAfternoonNoon to 6 pm
51%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Portland to Ontario

Explore weekly flight availability from Portland to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 11, 2024.
Sunday2daily flights
Monday3daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday3daily flights
Friday3daily flights
Saturday0daily flights
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