$75 Cheap flight deals from Portland (PDX) to Ontario (BOI)
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This Weekend's Flight Deals from Portland to Ontario
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $75 One Way, $137 Round Trip from Portland to Ontario
Prices starting at $137 for return flights and $75 for one-way flights to Ontario were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Ontario economy flight packages
Courtyard by Marriott Boise West Meridian
Feb 12 - Feb 14
Portland (PDX) to Boise (BOI)
Reviewed on Dec 30, 2025
The Avery Hotel
Feb 12 - Feb 14
Portland (PDX) to Boise (BOI)
Reviewed on Aug 14, 2025
Boise Guest House
Feb 12 - Feb 14
Portland (PDX) to Boise (BOI)
Reviewed on Oct 2, 2024
More About Flying To Ontario from Portland
Route Information for Flights from Portland to Ontario
Origin Airport IATA Code | PDX |
|---|---|
Destination Airport IATA Code | BOI |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Portland to Ontario
Orbitz is the number one travel site for finding guaranteed low prices on Portland to Ontario flights. Not only do we have discount tickets on domestic and international tickets but our cutting-edge mobile tools keep you informed on the go.
Find Low Prices in One Place
Booking a trip from Portland to Ontario has never been easier. Not only will you find great deals on flights, we offer bargains on cruises, car rentals, top-notch hotels, and more. You can also research and add local activities in Ontario to your flight or hotel reservation to keep the kids happy and active.
Flight Booking, Alerts, and More on Your Mobile Device
Use our mobile app for your iPhone, iPad, or Android phone—or our mobile website m.orbitz.com—to find bargains on flights from Portland to Ontario wherever you are. Book your cheap Portland to Ontario flights and a hotel room too—even at the last minute. Orbitz also makes your life easier with free alerts that are sent to your mobile phone or email about delays to your upcoming flights from Portland to Ontario.
Don’t Miss out on Miles
Accumulate frequent flyer miles or points on your Portland to Ontario flights. It’s as simple as entering your frequent flyer number when you’re making your flight reservation on Orbitz to rack up miles on qualified flights from Portland to Ontario. You can save your frequent flyer numbers in your Orbitz account to save time during your next flight booking.
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.