(opens popup)(opens new window)Opens new window. External site which may or may not meet accessibility guidelines.External site which may or may not meet accessibility guidelines.(opens popup). There is information in the previous heading.There is information in the previous heading.(close popup)External site which may or may not meet accessibility guidelines.External site which may or may not meet accessibility guidelines.
Flights from Ontario with Southwest Airlines®.
Discover where Southwest® flies out of Ontario International Airport and trade the West Coast for whatever’s next.
Southwest Airlines is proud to serve Ontario International Airport.
Whether you’d like to see what else the West has to offer or try the Midwest on for size, there’s no need to brave the mid-city traffic when you can catch a convenient Southwest flight closer to home. Even though you’re leaving, everything’s a little easier when you’re closer to home. Find a Southwest flight that works for you out of Ontario International Airport.
Not sure where to head next? Explore the list of places that Southwest flies out of Ontario International Airport and see which locale inflicts you with a bit of a travel bug. Find yourself just the change of scenery that’ll suit your needs, whether that’s a jaunt up to the Pacific Northwest, a trip over to the Rockies, or a visit to the Great Lakes. Trade Tinseltown for any town to which Southwest flies, so long as it’s the town that’s right for you.
While there’s little that can’t be found in the Los Angeles area, you’ll surely discover something surprising wherever you travel on a flight with Southwest Airlines. Explore enticing add-ons and earn Rapid Rewards® points when you fly. All the while, you’ll enjoy a straightforward booking process, from flight selection to the time you board your flight. See what else makes the Southwest® Experience special today.
The City of Roses blooms all year round with art, music, cuisine, and its own special vibe. You can help keep it weird when you visit Portland, Oregon.
Points bookings do not include taxes, fees, and other government/airport charges of at least $5.60 per one-way flight.
Seats and days are limited. Fares may vary by destination, flight, and day of week and won't be available on some flights that operate during very busy travel times and holiday periods.
Fares may be combined with other Southwest Airlines® combinable fares. If combining with other fares, the most restrictive fare's rules apply.
Fares are nonrefundable but may be applied toward future travel on Southwest Airlines®, as long as reservations are canceled at least ten minutes prior to the scheduled departure. Failure to cancel prior to departure will result in forfeiture of remaining funds on the reservation.
Any change in itinerary may result in an increase in fare. Standby travel may require an upgrade to the Anytime fare depending on Rapid Rewards® tier status.
Fares are subject to change until ticketed.
Offer applies only to published, scheduled service.
Got flexible travel plans?
Use our Low Fare Calendar to find the lowest fares on flights from Ontario available inside your travel window.
Cities with daily nonstop flights Monday through Friday from ONT
10†
Cities with daily nonstop flights Saturday through Sunday from ONT
10‡
*Weekly flights based on DOT published scheduled average flights Monday through Sunday between 12/1/2023 and 12/31/2023. Note: route may not operate every day of the week.
†Nonstop flights based on DOT published scheduled average flights Monday through Friday between 12/1/2023 and 12/31/2023.
‡Nonstop flights based on DOT published scheduled average flights Saturday through Sunday between 12/1/2023 and 12/31/2023.
Your trip comes with low fares and no hidden fees. That's Transfarency®.
We want to make your trip special, so we're taking everything you love about Southwest and bringing it all to your travels. Get everything Transfarency has to offer on your next trip, only with Southwest.
You can use your points to book any seat, on any flight, no exceptions. Any day, any time, any flight, your points are ready to take you to where you want to go.
Your points don’t expire.
You can earn points on flights and on everyday purchases with our partners, which makes getting to your destination easy. No matter when, or where, you earn them, your points won’t expire.
1First and second checked bags. Weight and size limits apply.
2Fare difference may apply.
3Failure to cancel a reservation at least 10 minutes prior to departure may result in forfeited Travel Funds.
4Flight credits unexpired on or created on or after July 28, 2022, do not expire and will show an expiration date until our systems are updated. See full details here.
5Where available. Available only on WiFi-enabled aircraft. Limited-time offer.
6Due to licensing restrictions, on WiFi-enabled international flights, free live TV and iHeartRadio may not be available for the full duration of flight.
7Internet access for $8 per device from takeoff to landing. Price is subject to change. May not be available for the full duration of flight. In order to provide a top-notch Internet experience, we prohibit access to certain high-bandwidth applications and websites. We also prohibit access to certain obscene or offensive content.
