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Good to Know: Cheapest and Fastest ONT - BWI Flights
Useful information for finding best airline tickets from Ontario International to Baltimore/Washington International Thurgood Marsha on your next trip.
Cheapest Round Trip Flight
$451
Southwest Airlines
• 2 stops
• 12h
Nov 05 – Nov 10
The cheapest round trip flight from Ontario to Baltimore (ONT-BWI-ONT) is currently $451
Cheapest One way Flight
$141
Southwest Airlines
• 1 stop
• 10h 30m
Oct 16
The cheapest one way flight from Ontario to Baltimore (ONT-BWI) is currently $141
Fastest Flight
10h 20m
The fastest nonstop flight from Ontario to Baltimore (ONT-BWI) takes 10h 20m
Top Airlines Flying from Ontario to Baltimore
Latest Flight Deals from Ontario (ONT) to Baltimore (BWI)
Compare and book low fare round-trip air tickets from Ontario to Baltimore. Ideal for travelers with confirmed return itineraries.
Explore competitive one-way airfare options for ONT - BWI flights. Best suited for flexible or open-ended travel plans.
Flying to Baltimore soon? We've surfaced some of the most affordable last-minute flights from Ontario to Baltimore, ideal for urgent plans or spontaneous trips.
FAQs on Ontario to Baltimore Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to BWI?
The most popular airline flying from Ontario to Baltimore are
Can I fly from ONT to BWI non-stop?
NO
Which airlines fly nonstop between Ontario and Baltimore?
The non-stop flights between Ontario and Baltimore are .
What’s the earliest departure time from ONT to BWI Airport?
The earliest flight leaves ONT at 5:40 am and lands in BWI - Baltimore/Washington International Thurgood Marsha
What are the airports in Baltimore?
IAD,BWI,DCA
Can I make changes to my Ontario to Baltimore flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to BWI?
Read the fare rules of the Ontario to Baltimore air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Baltimore?
operate flights between Ontario and Baltimore
How long does a flight from Ontario to Baltimore take?
It takes approximately 5 hour to fly non-stop from ONT to BWI, which is 2282.96 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Baltimore (BWI) ?
In the past couple of days, the cheapest tickets to BWI from ONT were found on AA : USD 170
Do I need a passport to fly between ONT and BWI?
No
What’s the latest departure time from ONT to BWI ?
The last flight leaves ONT at 11:59 pm
Ontario (ONT) to Baltimore (BWI): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Baltimore/Washington International Thurgood Marsha, Baltimore, US |
| Distance | 2283 miles |
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