NZ$450 Cheap Flights Baltimore to Ontario (BWI-ONT)

View NZ$450 flight on Thu, 23 Apr 2026Opens in a new window

Popular airlines from Baltimore Washington International Airport (BWI) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Baltimore (BWI) to Ontario (ONT)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Ontario Airport?
Start packing your bags, because round-trip flights between BWI Marshall and Ontario Airport start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BWI to Ontario Airport?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from BWI Airport to Los Angeles - Ontario Intl. Airport (ONT) 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 BWI to Ontario Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BWI to Los Angeles - Ontario Intl. Airport (ONT)?
The flying distance between BWI Airport (BWI) and Ontario Airport (ONT) is 3 700 kilometres. Close your eyes or read a good book and the journey will zip by.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to ONT?
Currently, no airlines offer direct flights from BWI to Los Angeles - Ontario Intl. Airport (ONT). You'll need to book a flight with at least one stop. To get the best connections and price, lock in your airfare well in advance.
Are Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?
Flight prices from BWI Marshall to Ontario Airport are available up to a year prior to departure on Expedia. And although you may score great last-minute deal, it's not something you should count on. Also, booking your flights in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Travel information

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Los Angeles - Ontario Intl.
Distance
3643 km
Average flight time
5 hours 30 mins

Book with confidence

Book with confidence

Perfect flights from Baltimore to Ontario

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Baltimore to Ontario. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Los Angeles, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Baltimore Washington Intl. Thurgood Marshall to Los Angeles - Ontario Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$450 and roundtrip prices . Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Los Angeles - Ontario Intl. and explore Los Angeles and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your BWI to ONT travel arrangements today and embark on the journey of a lifetime in Ontario.
Perfect flights from Baltimore to Ontario

Explore a world of travel with Expedia

Explore a world of travel with Expedia

Ontario Flight Deals

Los Angeles

Baltimore to Los Angeles Intl.
NZ$341.40
*Available to Expedia members.