$99 Cheap American Airlines flights Ontario (ONT) to Portland (PDX)

View $99 flight on Wed, Sep 10, 2025Opens in a new window

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$99 Cheap American Airlines flights Ontario (ONT) to Portland (PDX)

Prices were available within the past 7 days and start at $99 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Sep 16 - Sat, Sep 20
ONT
Ontario
PDX
Portland
$159 Roundtrip, just found
$159
Roundtrip
just found
Select American Airlines flight, departing Tue, Sep 16 from Ontario to Portland, returning Sat, Sep 20, priced at $159 just found
Flights from Ontario (ONT) to Portland (PDX)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
838 mi
Average flight time
3 hours 11 mins

Frequently asked questions

How much is an American Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap American Airlines round-trip flights from $159 from ONT to PDX. Affordable one-way tickets from $99 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ONT to PDX with American Airlines?
Look for one-way or return flights to Portland in January or December. You could find lower fares with American Airlines during these off-peak times.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX) with American Airlines?
To find cheap American Airlines fares from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall cost. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does American Airlines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX)?
Select our "Nonstop" filter when searching for direct American Airlines flights from ONT to PDX. You'll also be able to compare other carriers servicing the same direct trip.
What is the earliest American Airlines flight from ONT to PDX?
To find the earliest departure from ONT to PDX with American Airlines, filter your results by "Early Morning" and "Morning." Choosing an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does American Airlines fly into in Portland?
American Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to Portland come in to land at Portland Intl. Airport (PDX). This is the main entry point to this city.
Can I change or cancel my American Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX)?
Depending on the type of ticket you purchased, a fee will generally apply if you cancel or change your flight more than 24 hours after it's confirmed. To secure tickets with more flexibility, select our "No cancel fee" or "Changes included" filter while looking for flights. For more details on canceling or changing your reservation, visit "Trips," select your flight and tick "Manage Booking."

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