$34 Cheap flights from Los Angeles - Ontario Intl. to Portland Intl. (ONT to PDX)

Wander Wisely with exceptional service, 24/7 support

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Los Angeles - Ontario Intl. to Portland Intl.

Amazing ONT to PDX Flight Deals

The cheapest flights to Portland Intl. found within the past 7 days were $48 round trip and $34 one way. Prices and availability subject to change. Additional terms may apply.

Tue, May 21 - Tue, May 21
ONT
Ontario
PDX
Portland
$48 Roundtrip, found 14 hours ago
$48
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, May 21 from Ontario to Portland, returning Tue, May 21, priced at $48 found 14 hours ago
Tue, May 7 - Tue, May 14
ONT
Ontario
PDX
Portland
$53 Roundtrip, found 7 hours ago
$53
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Tue, May 7 from Ontario to Portland, returning Tue, May 14, priced at $53 found 7 hours ago
Sat, May 18 - Sat, May 18
ONT
Ontario
PDX
Portland
$63 Roundtrip, found 1 day ago
$63
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 18 from Ontario to Portland, returning Sat, May 18, priced at $63 found 1 day ago
Wed, May 8 - Wed, May 8
ONT
Ontario
PDX
Portland
$66 Roundtrip, found 9 hours ago
$66
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Wed, May 8 from Ontario to Portland, returning Wed, May 8, priced at $66 found 9 hours ago
Tue, May 14 - Sat, May 18
ONT
Ontario
PDX
Portland
$68 Roundtrip, found 3 hours ago
$68
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 14 from Ontario to Portland, returning Sat, May 18, priced at $68 found 3 hours ago
Wed, May 8 - Sun, May 12
ONT
Ontario
PDX
Portland
$71 Roundtrip, found 7 hours ago
$71
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Wed, May 8 from Ontario to Portland, returning Sun, May 12, priced at $71 found 7 hours ago
Tue, May 7 - Sat, May 11
ONT
Ontario
PDX
Portland
$72 Roundtrip, found 7 hours ago
$72
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Tue, May 7 from Ontario to Portland, returning Sat, May 11, priced at $72 found 7 hours ago
Wed, May 15 - Wed, May 15
ONT
Ontario
PDX
Portland
$75 Roundtrip, found 12 hours ago
$75
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Wed, May 15 from Ontario to Portland, returning Wed, May 15, priced at $75 found 12 hours ago
Sat, May 4 - Wed, May 8
ONT
Ontario
PDX
Portland
$78 Roundtrip, found 4 days ago
$78
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, May 4 from Ontario to Portland, returning Wed, May 8, priced at $78 found 4 days ago
Wed, May 1 - Sat, May 18
ONT
Ontario
PDX
Portland
$79 Roundtrip, found 3 hours ago
$79
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, May 1 from Ontario to Portland, returning Sat, May 18, priced at $79 found 3 hours ago

Flight Schedule for ONT to PDX

CarrierFlightDepart ONTArrive PDXWed
4/24		Thu
4/25		Fri
4/26		Sat
4/27		Sun
4/28		Mon
4/29		Tue
4/30		Stops
AS349307:00 am09:20 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AS233311:20 am01:40 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
F9291301:06 pm03:26 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AS339406:20 pm08:40 pm
-
Check FareCheck Fare
-
Check FareCheck Fare
-
0 Stops

Best Portland Intl. Flight and Hotel Packages

Portland Intl. flight + hotel packages - economy flights

Park Lane Suites and Inn

Park Lane Suites and Inn

2.5 out of 5
per person
May 24 - May 27
Roundtrip flight included
Ontario (ONT) to Portland (PDX)
Hilton Portland Downtown

Hilton Portland Downtown

4 out of 5
per person
May 30 - Jun 2
Roundtrip flight included
Ontario (ONT) to Portland (PDX)
Washington Plaza Apartments

Washington Plaza Apartments

3 out of 5
per person
May 24 - May 27
Roundtrip flight included
Ontario (ONT) to Portland (PDX)
Sentinel Hotel

Sentinel Hotel

5 out of 5
per person
May 24 - May 27
Roundtrip flight included
Ontario (ONT) to Portland (PDX)
The Royal Sonesta Portland Downtown

The Royal Sonesta Portland Downtown

4.5 out of 5
per person
May 24 - May 27
Roundtrip flight included
Ontario (ONT) to Portland (PDX)
Don't see what you're looking for?
See all available trips from Los Angeles - Ontario Intl. to Portland Intl.
View all trips
Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from Los Angeles - Ontario Intl. Airport (ONT) to PDX Airport right now?
For any current Portland Intl. Airport (PDX) quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught up.
Are there direct flights from Los Angeles - Ontario Intl. Airport (ONT) to PDX Airport?
Wander wisely and score a direct flight from Los Angeles - Ontario Intl. Airport (ONT) to PDX Airport with Alaska Airlines. This air carrier is the perfect choice if you want to travel to Portland as fast as possible.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to PDX Airport, please visit our Customer Service Portal.
How long is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Portland Airport?
Flights between Ontario Airport and PDX Airport usually take around 5 hours and 54 minutes all up. Make the most of your time in the air by resting, reading, exploring the in-flight entertainment or doing all three.
What is the flight distance from Los Angeles - Ontario Intl. Airport (ONT) to PDX Airport?
There’s a flight distance of 840 mi between ONT and Portland Intl. Airport (PDX). Make the most of your short plane ride to write down all the famous sightseeing places you want to drop by and how you’re going to get there. A detailed itinerary is key to having a stress-free vacation.
What airlines fly from Ontario Airport to PDX?
If you’re searching for an airline company that flies nonstop from Ontario to Portland and is rated highly by seasoned travelers, consider Alaska Airlines. They offer as many as 34 flights per month.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Alaska Airlines, Delta or United Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Los Angeles - Ontario Intl.
Traveling To
Portland Intl.
Shortest Flight Time
2 hours 20 mins
Earliest Departure Time
7:00AM PDT
Latest Departure Time
12:20PM PDT
Lowest Flight Price
$48

Route Info

Flight path for flights from LA/Ontario International Airport to Portland International Airport.


Origin:
ONT - LA/Ontario International Airport
Destination:
PDX - Portland International Airport
Distance:
843.00 miles


Discover our best flights from Ontario ONT to Portland PDX. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Ontario ONT to Portland PDX at the right price  

Airfares to Portland PDX from Ontario ONT currently cost between $48 and $79. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Ontario ONT to Portland PDX 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Ontario ONT to Portland PDX on Travelocity starting at $34. Prices and availability subject to change. Additional terms may apply. 

 

Get to Portland PDX from Ontario ONT quicker with direct flights. 

Get to Portland faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to PDX from ONT to take around 2 hour(s) 20 min(s).  

 

Find our cheapest airfares for flights from Ontario ONT to Portland PDX

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to PDX from ONT. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Ontario ONT to Portland PDX today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Ontario ONT to Portland PDX. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Portland PDX from Ontario ONT 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to PDX from ONT have this option.  

 

Travel with confidence when you book flights to Portland PDX from Ontario ONT with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.