Ontario to Portland Flight Route Information
| Travel Distance: | 839 Miles |
|---|---|
| Airlines Flying This Route: | Alaska Airlines |
| Weekly Flights: | 24 |
| Avg. Flight Duration: | 02.18 Hours |
Call usPhone-Only Deals! Call XXXX-XXX-XXXXPhone-Only Deals! Call XXXX-XXX-XXXX
Grab better fares
More flight options
Call live travel experts
Earn 2X ClubMiles points
USD
12/21/2026 Find Cheap Flights from Ontario to Portland (ONT to PDX)
LAX - Los Angeles PDX - Portland 
Find Cheap Flights from Ontario to Portland (ONT to PDX)
Fares Starting from $142
LAX - Los Angeles PDX - Portland Great deal! This is the lowest price we've seen for this one way route in the last 12 hours. Prices may change and aren't guaranteed for all flights or dates. Click on the price to continue your search and check the latest available fare. Ref. id 202609~Ref:EehW4KnSXkeuLtqMVm0XKQ
Save now - use
Cheap Flights from Ontario to Portland - Compare & Book Our Best Deals
With over 3 daily departures from Ontario to Portland, this route offers great flexibility for different travel plans. Browse one-way fares from $141.99, round-trip fares from $263.66, and other affordable options across different budgets. Compare flight choices, explore schedules, and book the best Ontario to Portland deals that fit your budget and travel preferences.
Top Airlines that fly from Ontario to Portland
Cheap Flight Deals from Ontario to Portland
LAX Los Angeles Mon, Dec 21
PDX Portland
from $142
Book Now
LAX Los Angeles Tue, Dec 22
PDX Portland
from $143
Book Now
LAX Los Angeles Thu, Nov 26
PDX Portland
from $148
Book Now
LAX Los Angeles Wed, Dec 30
PDX Portland
from $156
Book Now
Fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions. 202609~Ref:EehW4KnSXkeuLtqMVm0XKQ
Insights about cheap flights from Ontario to Portland – Direct Flights, Duration & Best Travel Time
When it comes to booking cheap flights, having the right information at your fingertips can make all the difference. Dive into the insights for cheap flights from Ontario to Portland and enhance your travel experience!
Daily Flights
3
Cheapest Month
April
Avg. Flight Duration
02.18
Peak Season
November
Distance
839 miles
Direct Flights
97
When is the Cheapest Time to Book Flights from ONT to PDX?
Explore data-powered insights and trends for flights from Ontario to Portland. Discover average fares, cheap months to fly, when to book, and plan smarter.
What’s the cheapest day of the week to fly from Ontario to Portland?‡
What is the cheapest month to fly from Ontario to Portland?‡
‡This information is based on historical data from the last 365 days.
Finding Affordable Flights from Ontario to Portland
- Plan Ahead - One of the keys to securing cheap flights from Ontario to Portland is to plan your trip well in advance. Airlines often offer lower prices for those who book tickets months ahead. Keep an eye on special promotions and sales events, which can yield significant savings.
- Flexibility is Key - Being flexible with your travel dates can also lead to substantial cost savings. Consider flying during off-peak seasons or on weekdays when prices tend to be lower.
- Set Price Alerts - To keep tabs on flight prices, consider setting up fare alerts. These alerts will notify you when fares from Ontario to Portland drop, giving you the opportunity to grab cheap deals.
- Consider Nearby Airports - If Portland has multiple airports, check the prices at each one. Sometimes, flying into a nearby airport and then taking a short train or bus ride to your destination can be a much cheaper option.
- Bundle and Save - Booking your flight and accommodation together as a package can often result in significant savings. CheapOair offers these bundled deals, so make sure to explore this option.
When should I book flights from ONT to PDX? ‡
‡Got flexible travel dates? Use our flight data from the past year to discover ideal time to fly from Ontario to Portland. Find out which months and days typically offer lower fares and let CheapOair search for the best options.
CheapOair provides the predicted prices for one-way trips or round-trips with a duration of 7 days for domestic and 14 days for international trips based on historical data and available flight information. Graphs are estimates only. Prices are subject to change and can't be guaranteed until ticketed.
Estimated price for
Round-trip
‡Graphs are estimates only. Based on historical data and available flight information. Prices are subject to change and cannot be guaranteed until ticketed.
Book with Confidence. Trusted by 40M+ Travelers
Price Match Promise
ⓘ
Found a better deal? We'll match it!
24/7 Customer Support
Speak to our travel experts anytime, anywhere.
ClubMiles Rewards
Stack points & airline miles to save.
Easy Cancellations
Convenient options online and 24/7 global concierge.
Insights About Flying from Ontario to Portland
Which is the high season to travel from Ontario to Portland?
The month of November is considered the high season for flying from ONT to PDX. Traveling during the high season can affect ticket prices and availability, making this data crucial for trip planning.
How many direct flights are available from ONT to PDX?
There are a total of 97 direct flights from Ontario to Portland. For travelers seeking convenience and shorter travel times, this data is important when choosing flight options.
Which is the low season to travel from Ontario to Portland?
April is considered the low season for traveling from Ontario to Portland, Oregon. Travelers looking for cost-effective options and fewer crowds may consider traveling during this period.
How many daily flights are there between Ontario to Portland?
There are as many as 3 daily flights available for travelers between ONT to PDX. This data offers flexibility in choosing departure times that best suit your schedule.
Which is the busiest day for passengers flying between Ontario to Portland?
Friday are the busiest days for passengers flying between Ontario to Portland. Knowing the peak travel day can help you plan your trip to avoid overcrowded flights or airports.
At what time does the last flight depart to Portland?
The last flight to Portland typically departs between 12:00AM - 1:00AM. Travelers who prefer late-night departures will find this information valuable for planning their journey.
What percentage of travelers spent an average of 1 days in Portland, Oregon?
Approximately 26.23% of travelers spent an average of 1 days exploring Portland. This information can assist in planning the duration of your stay in Portland
What percentage of ONT to PDX flyers traveled with kids under 14?
About 5% of passengers on flights from Ontario to Portland were accompanied by children under the age of 14. This information is useful if you're planning a family trip and want to know how common it is to travel with young children on this route.
What percentage of Ontario to Portland travelers were over 60 years old?
A notable 25% of travelers were aged 60 or older. This statistic provides insights for senior travelers or those seeking a mature travel demographic.
What percentage of ONT to PDX travelers were millennials?
Millennials make up a significant portion of travelers on this route, accounting for 26% of all passengers. If you're a millennial looking to connect with like-minded travelers, this statistic might interest you.
What percentage of Ontario to Portland travelers were female?
Almost half of the passengers, approximately 65% were female. Knowing the gender distribution can be useful for solo female travelers or those interested in gender-related travel insights.
At what time the earliest flight departs from Ontario?
The earliest flight departs at 6:00AM - 7:00AM.
On which days one can have the most flight options in Portland?
Friday offer the most flight options in Portland.
§
All flight facts are based on last 3 months' data except the highest and lowest booking months that are based on last 3 months' data.
Start saving today. Never miss a promotion.
Cheap Flights from Ontario to Portland
Flights from Ontario to Portland
Looking for flights from Ontario to Portland? Look no more, for you�re at the right place. Book cheap flights from Ontario to Portland on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world. Grab ONT to PDX flight deals, and save big!
Airports in Ontario
Ontario International Airport is the primary airport serving Ontario in California, US. It is located two miles away from downtown Ontario and 38 miles away from Downtown Los Angeles. The airport serves domestic and international flights. Passengers can avail seamless connectivity between the airport and the city through a network of Buses & Rails, Hotel Shuttles, app-based transportation services, ride shares, taxis, ONT Courtesy Shuttle and public transport.
Explore Portland
Portland is the largest city in the U.S. state of Oregon. It is situated between the Columbia and Willamette rivers, and is about 70 miles away from Pacific Coast. Nicknamed �the City of Roses� for its rose trees, Portland is famous for its natural beauty, microbreweries and some hundred year old bridges. Three such bridges are Hawthorne Bridge (built in 1910), Steel Bridge (built in 1912), and Broadway Bridge (built in 1913).
Things to do in Portland
Hawthorne Bridge
The Hawthorne Bridge is the oldest highway bridge in Portland, the busiest bicycle and Transit Bridge in Oregon and the oldest working vertical lift bridge in the United States. This 1382-feet-long bridge spans the Willamette River in Portland and was opened to public in 1910.
Oregon Museum of Science and Industry
The Oregon Museum of Science and Industry features several children-centric interactive activities and experiments related to technology and earth sciences. It features a planetarium and an IMAX theater and stands facing an old US Navy submarine (the USS Blueback).
Lan Su Chinese Garden
The Lan Su Chinese Garden (formerly called the Portland Classical Chinese Garden) is a Chinese garden located near Portland. It is a delightful sum of many traditional gardens and almost 90% of its plants are indigenous to China. Some plants here are even 100 years old.
Best Time to Fly to Portland
The best time to fly to Portland is the summer season from June to August. With its gardens are in full bloom, the city is busy celebrating Portland Rose Festival and Waterfront Blues Festival.
Check your flight status
Get there on time, every time!
Recent posts View all posts
Find Your Perfect Island Match on National Cheap Flight Day
Read moreDream Bucket-List Destinations to Book on National Cheap Flight Day
Read moreThe Best Long-Weekend Destinations for National Cheap Flight Day
Read moreGreat International Cities to Discover on National Cheap Flight Day!
Read more5 Fall City Escapes to Consider on National Cheap Flight Day
Read moreWhat our customers say about our service?
-
Helpful Assistance When my itinerary changed and the original flights no longer worked, the support representative quickly helped me find better alternatives. They were professional, courteous, and went above and beyond to resolve the issue. I'm grateful for the excellent assistance and smooth experience.
Read more
-
Excellent Service I recently needed help with a flight schedule change and had a great experience with customer service. Laura was professional, friendly, and very helpful throughout the process. She quickly found a solution and kept me informed of the next steps. I truly appreciate her excellent service.
Read more
-
Highly Recommended When my flight was unexpectedly canceled, I needed help rearranging my travel plans. The customer service representative was calm, professional, and extremely helpful throughout the process. They quickly found alternative flight options and assisted with the necessary follow-up. I truly appreciate the excellent support and dedication to resolving my issue.
Read more
-
Great Prices offered CheapOair has always offered great prices, and my booking experience has been smooth and hassle-free every time.
Read more
Save up to $100 off our fees
First time app users get up to $100 off our fees on flights.
- Earn up to 6X points
- 24/7 priority support
- In-App calls at no cost
- Manage your bookings on the go
Scan QR and install