$97 Find Cheap Flights from Ontario to Portland - Compare and Save

These are the earliest and latest flight times available from Ontario to Portland:

• Earliest: departs at 7:00 am and lands at 9:25 am
• Latest: departs at 6:17 pm and lands at 8:42 pm.

The flight takes about 2h 25m.

Two cabin classes are available on flights from Ontario to Portland:

• Economy Class
• First Class

A nonstop flight from Ontario to Portland takes 2h 25m, covering 839 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Ontario to Portland range from $197 to $360, with an average of $276 over the past 12 months. Anything below $197 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 17% above the $276 route average. Book 21 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $199 round-trip via Denver Intl (DEN), compared to $281 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $65–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines. Other aircraft seen on the route include Boeing 737-900 Passenger/BBJ3 (winglets) variants.

Morning is the busiest departure period on Ontario to Portland flights, with 67% of flights leaving in that window. Evening departures account for 33%, afternoon flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $264 to $1,736. That means the highest observed fare was about 7x higher than the lowest one.

Alaska Airlines is the only airline on the Ontario to Portland route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Ontario to Portland are currently lower than usual. Average one-way flight prices are about $132, which is 31% below the typical average for this route.

Portland Airport (PDX) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

• Thrifty
• Dollar
• Hertz
• Sixt
• Payless

Flights from Ontario to Portland usually depart from Ontario (ONT) and arrive at Portland (PDX).

One-stop flights from Ontario to Portland most commonly connect through:

• Sacramento Intl (SMF) - 29% of one-stop connections
• San Francisco (SFO) - 27% of one-stop connections
• Denver Intl (DEN) - 10% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 10% of one-stop connections

Yes. Flexible dates can save you up to 19% on flights from Ontario to Portland. Friday is the cheapest departure day at $252 round-trip on average, while Monday is the most expensive at $308, a difference of $56.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Ontario and Portland. The airlines offering nonstop flights on this route include:

• Alaska Airlines
• Frontier

Flying via Sacramento Intl (SMF) gives the shortest average 1-stop total travel time at 4h 03m, compared with 4h 06m via Oakland (OAK) and 4h 23m via San Jose (SJC).

Some of the most popular sights in Portland are Moda Center, Oregon Convention Center and Arlene Schnitzer Concert Hall. These are among the most viewed places in Portland on KAYAK.

Among airlines operating Ontario to Portland flights:

• Alaska Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Hawaiian Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Alaska Airlines is one carrier that operates a non-stop flight between ONT and PDX. Frontier, United Airlines, Delta, and Alaska Airlines are carriers that travel from ONT to PDX with one stop. Layover cities include Seattle (SEA) and Las Vegas (LAS). Delta, American Airlines, United, and Alaska Airlines all operate flights from ONT to PDX with two stops.

You can pre-book your parking spot at ONT and save some money. The most affordable deal for parking long-term at ONT is Lot 5. It is not within walking distance to the terminals, but shuttles run to the terminals regularly.

ONT provides animal relief areas both inside and outside the terminals. The pre-security pet relief areas can be found outside the far ends of the terminal buildings. The post-security areas can be found at Gate 210 in Terminal 2 and Gate 410 in Terminal 4. Each animal relief station provides drinking water for the animal, plastic bags, and a trash can so passengers can clean up after their four-legged friend.

The Bob Hope USO lounge at ONT proudly welcomes active-duty members of the US military and their families. This lounge is open from 6 am until 10 pm every day and is located in the Administration Building, which is across from Parking Lot F. There is a free shuttle service between the USO and Terminals 2 and 4. Some amenities of this lounge include a lounge for movies and TV shows, a library, an internet cafe, luggage storage, a game room, a family area, a canteen, a map room, an outdoor patio area, and travel assistance.