- Must visit
Planes of Fame Air Museum
Compact aviation museum at the airport with aircraft displays and memorabilia highlighting regional flying history and aircraft restoration.
Flights from Portland, OR to Ontario, CA depart on average 129 times per day, taking around 4h 27m. Cheap flight tickets for this journey start at $142 but you can travel from only $104 by bus.
There are 14 flights per day. The earliest flight runs at 00:10, the last at 23:55. The fastest flight covers the 835 miles (1344 km) distance in 2h 18m. June is the cheapest month to fly.
Distance 835 miles (1344 km) |
Average flight duration 4h 27m |
Cheapest ticket price $142 |
Flights per day 129 |
Direct flights 14 |
Fastest flight 2h 18m |
First flight 12:10 AM |
Last flight 11:55 PM |
Cheapest Month Jun |
Cheapest Day Wed |
High Season Jul - Sep |
Low Season Oct - Dec |
Cheapest price on Sep 20
$326
Average ticket price on Sep 20
$326
Fastest journey on Sep 20
2 h 27 m
Average journey duration on Sep 20
2 h 27 m
Flights on Sep 20
1
Distance
1344 km
The best way to find a cheap flight ticket from Portland, OR to Ontario, CA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Portland, OR to Ontario, CA will cost around $326 if you buy it on the day, but the cheapest tickets can be found for only $326.
On Sun, Sep 20, we found 1 flights from Portland, OR to Ontario, CA, including 1 direct services.
On Sun, Sep 20 the direct flights cover the 1344 km distance in an average of 2 h 27 m but if you time it right, some flights will get you there in just 2 h 27 m .
On Sun, Sep 20 the longest flights will take 2 h 27 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Omio recommends booking the flight as it is the most popular option from Portland, OR to Ontario, CA among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $171 For those with little time, consider booking a flight, which has an average total journey time of 6h 27m. Average ticket prices depend on the travel mode: a bus costs an average of $171, while a flight costs an average of $610.
Distance: 835 miles (1344 km)
Most popular Flight | Train | Bus | Driving |
|---|---|---|---|
$610 Average price | $315 Average price | $171 Average price Cheapest | $204 Average price (fuel + tolls) |
6h 27m Average total duration Fastest 4h 27m Onboard + 2h 0m Additional time* | 32h 13m Average total duration 31h 43m Onboard + 30m Additional time* | 23h 56m Average total duration 23h 26m Onboard + 30m Additional time* | 15h 23m Average total duration (door-to-door) |
![]() Most popular airline | ![]() Most popular train company | ![]() Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Portland, OR to Ontario, CA:
A bus is $144 less than a train for this route with tickets for a train from Portland, OR to Ontario, CA costing on average $315.
A bus is $438 less than a flight for this route with tickets for a flight from Portland, OR to Ontario, CA costing on average $610.
Other travel options to Ontario, CA take longer:
Bus takes on average 23h 26m.
Train takes on average 31h 43m.
The table below shows live departures for Portland, OR to Ontario, CA flights for tomorrow, Saturday, September 19. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 4:30 AM Portland, OR | 2h27 | 6:57 AM Ontario, CA | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Discover the best of Ontario, CA — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Ontario, CA trip today.
Compact aviation museum at the airport with aircraft displays and memorabilia highlighting regional flying history and aircraft restoration.
Local history museum in the former power company building with exhibits on Ontario's agriculture, Route 66 era, and community heritage.
Art museum on the Claremont Colleges campus featuring American, Native American, and contemporary works in a calm gallery setting.
Shaded urban park in downtown Ontario with walking paths, civic events, and a historic fountain at the heart of the city center.
Broad landscaped boulevard designed for walking and driving, lined with medians, palms, and historic homes through central Ontario.
Large regional shopping and entertainment district with walkable promenades, public art, and frequent events near the arena.
Find answers to the most common questions about traveling from Portland, OR to Ontario, CA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Ontario, CA, this guide helps you travel smarter and with confidence.

Most Portland, OR to Ontario, CA flights use the Portland International Airport to Los Angeles International Airport airport pair. Use this guide to compare Portland, OR and Ontario, CA airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Portland International Airport is 8 km from Portland city centre. Public transport options include:
Portland International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants in concourses, including Burgerville and Mo's Seafood
Free Wi-Fi available throughout the airport. ATMs are located throughout the airport.
Lost and found is available at the station.
Available at Portland International Airport: Parking, Taxis, WC.
Available at Portland International Airport: Car Rental.
Accessibility facilities are available at Portland International Airport: Ramps, assistance.
Nearby hotels include Hotels nearby, including Sheraton Portland Airport Hotel..
Ontario International Airport is 4 km from Ontario city centre. Public transport options include:
Ontario International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Various options in terminals, including fast food and sit-down restaurants
Free Wi-Fi available throughout the airport. ATMs are located in all terminals.
Lost and found is available at the station.
Available at Ontario International Airport: Parking, Taxis, WC.
Available at Ontario International Airport: Car Rental.
Accessibility facilities are available at Ontario International Airport: Elevators, ramps.
Nearby hotels include Hotels nearby, such as Ontario Airport Hotel & Conference Center..
Here are some other resources that might have the information you need