BWI to ONT (Baltimore to Ontario) Flights

Last Minute Flights from BWI to ONT

Best airfare and ticket deals for BWI to ONT flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
BWILos AngelesMay 5 to May 7$488
*Prices include taxes and fees

Cheapest BWI to ONT Flights

Best airfare and ticket deals for BWI to ONT flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
BWILos AngelesMay 9 to June 3$187
BWILos AngelesJuly 1 to July 4$295
BWILos AngelesMay 26 to May 30$298
BWILos AngelesJuly 3 to July 9$380
*Prices include taxes and fees
BWI to ONT Flight Details
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Origin airport IATA code
BWI
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Distance
2277 mi

Frequently asked questions

Which airlines with flights from BWI Marshall to ONT allow free cancellation due to COVID-19?
Simply enter your travel details, then click the big green “Find the best flight deals” button. Once all the available flights are displayed, check the “No change fee” box directly underneath the “Flexible change policies” filter to the left. Before you finalize your BWI to ONT flights, read through the airline’s COVID-19 travel-related rules and regulations so you know exactly what can and can’t be changed.
What airlines fly direct from BWI Marshall to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?
To get from BWI Marshall to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.), you’ll need to reserve a flight with one or more stops in between. At the moment, there are no nonstop services on this route.
How many flights are there from BWI to ONT?
About 41 flights operate every day from Baltimore, MD Airport (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.). Fasten your safety belt because your plane to Los Angeles is ready to take flight.
How long does it take to fly from Baltimore, MD Airport (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?
While you won’t be in your seat for endless hours from Baltimore, MD Airport (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.), 6 hours and 40 minutes isn’t a quick hop either. Look into upgrading your ticket if you’re after a few extra inches of space in front of you.
What is the flight distance from Baltimore, MD Airport (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?
The Baltimore, MD Airport (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) route covers 2300 miles (3700 km) and is classed as a medium-haul trip. If you’re looking for comfort — and the price is right — think about a premium or business class seat.
How many morning flights are there from BWI to ONT?
Get ready to take off aboard one of the 152 morning flights from BWI to ONT available every week.
  • If you’d like to fly with Southwest Airlines (WN), it has 66 weekly services that depart before noon. The 6:05AM flight is the first one of the day.
  • Another fantastic option is American Airlines. This carrier has 43 early flights every week. 5:00AM is the earliest to leave.
  • Book an airfare with Delta (DL) and you’ll have about 22 morning flights to take your pick of. The earliest departure time is 6:00AM.
How many afternoon flights are there from BWI to ONT?
If the words “early start” aren’t part of your daily vocab, hop aboard one of the 137 weekly afternoon and evening flights from BWI to ONT.
  • Grab a ticket with Southwest Airlines (WN), which has 60 flights every week that leave after midday. 12:20PM is the earliest of those flights.
  • If you’d rather go with Delta (DL), check out the 34 weekly afternoon and evening flights departing from 12:00PM onward.
  • Another favorite choice is American Airlines (AA). Take your pick of 23 afternoon and evening flights every week from 1:01PM onward.
What is the earliest departure time out of Baltimore to Los Angeles?
The earliest flight jets off from BWI at 5:00AM and arrives at ONT at 12:03AM. You’ll want to give yourself ample time in the morning to easily get to the airport.
What is the latest departure time out of Baltimore to Los Angeles?
Reserve a seat on the 9:25PM flight from BWI, touching down at 7:30PM at ONT, and give yourself time to deal with any last-minute vacation preparations. This is the latest flight available on this route.
What is the average price from Baltimore to Los Angeles?
On average, the most competitive price for round-trip flights from BWI to ONT is $187. Pick up your own deal by locking in your seats today. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Baltimore to Ontario Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Baltimore to Ontario to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from BWI to ONT, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from Baltimore to Ontario, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.