Cheap Flights from Ontario (ONT) to Portland (PDX) from HK$693~

View HK$693 flight on Wed, 28 Jan 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Portland International Airport (PDX)

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Find Cheap Flights from Ontario (ONT) to Portland (PDX)

Prices were available within the past 7 days and start at HK$693 for one-way flights and HK$1,385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,385 Return, found 4 days ago
HK$1,385
Return
found 4 days ago
Select Delta flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,385 found 4 days ago
Delta
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,590 Return, found 4 days ago
HK$1,590
Return
found 4 days ago
Select Delta flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,590 found 4 days ago
Delta
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,654 Return, found 4 days ago
HK$1,654
Return
found 4 days ago
Select Delta flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,654 found 4 days ago
Delta
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,708 Return, found 4 days ago
HK$1,708
Return
found 4 days ago
Select Delta flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,708 found 4 days ago
American Airlines
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,783 Return, found 4 days ago
HK$1,783
Return
found 4 days ago
Select American Airlines flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,783 found 4 days ago
United
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,813 Return, found 4 days ago
HK$1,813
Return
found 4 days ago
Select United flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,813 found 4 days ago
Delta
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,869 Return, found 4 days ago
HK$1,869
Return
found 4 days ago
Select Delta flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,869 found 4 days ago
Delta
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,912 Return, found 4 days ago
HK$1,912
Return
found 4 days ago
Select Delta flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,912 found 4 days ago
United
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,934 Return, found 4 days ago
HK$1,934
Return
found 4 days ago
Select United flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,934 found 4 days ago
Delta
Wed, 28 Jan - Wed, 4 Feb
ONT
Ontario
PDX
Portland
HK$1,977 Return, found 4 days ago
HK$1,977
Return
found 4 days ago
Select Delta flight, departing Wed, 28 Jan from Ontario to Portland, returning Wed, 4 Feb, priced at HK$1,977 found 4 days ago

Find the cheapest month to fly from Ontario (ONT) to Portland (PDX)

October is typically the cheapest month to fly

From HK$623 - HK$1,843 per traveller.

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to PDX?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from ONT to PDX was HK$1,385. Cheap tickets don't hang around forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ONT to Portland Airport?
This varies between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel online.
How do I find cheap flights from ONT to PDX that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Los Angeles - Ontario Intl. Airport (ONT) to PDX Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ONT to Portland Intl. Airport (PDX)?
That new movie you've been eager to see will have to wait — the flight distance between Los Angeles - Ontario Intl. Airport (ONT) (ONT) and Portland Airport (PDX) is only 1,350 kilometers. The captain will be instructing you to buckle up for landing before you know it.
Which airlines fly direct from ONT to PDX Airport?
Check out the deals on offer with Alaska Airlines (AS) if you want to fly straight from Los Angeles - Ontario Intl. Airport (ONT) to Portland Airport. This popular carrier offers 26 flights monthly, so you're sure to find one that fits your travel schedule.
Are Ontario Airport to PDX flight tickets cheaper when they're purchased at the last minute?
Booking your trip from ONT to Portland Intl. Airport (PDX) at the last minute could be your ticket to a cheap deal. However, it could end up costing you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Portland Intl.
Return price
HK$1,385
Distance
1342 km
Average flight time
3 hours 31 mins

Book with confidence

Flights from Los Angeles to Portland

Book cheap flights from Los Angeles (ONT) to Portland (PDX) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Los Angeles (ONT) to Portland (PDX) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Los Angeles (ONT) to Portland (PDX) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Portland flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Portland and things to do in Portland for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Portland more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Portland is HK$693 now!

 

Flights from Los Angeles to Portland

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