Cheap Flights from Baltimore to Ontario from CAD 86️ 2024

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Find Baltimore to Ontario flights starting at CAD 86.

Book one-way or return flights from Baltimore to Ontario from as little as CAD 86. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Baltimore to Ontario? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Baltimore to Ontario. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find Cheapest Airlines Flying from Baltimore to Ontario

View airlines operating flights from Baltimore to Ontario. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Spirit Airlines

From CAD 89

Delta Air Lines

From CAD 201

Sun Country Airlines

From CAD 219

Southwest Airlines

From CAD 310

Frontier Airlines

From CAD 402

Alaska Airlines

From CAD 456

American Airlines

From CAD 480

United Airlines

From CAD 555

ANA airlines

Find more flights and airlines

Alternative Routes for Baltimore to Ontario Flights

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Baltimore to Ontario.

Cheapest
BWI
12:29
14h 30m
1 transfer
ONT
23:59
Baltimore/Washington Thurgood Marshall International Airport - Ontario International Airport
Wed, May 1Frontier Airlines
CAD 402
BWI
12:29
14h 30m
1 transfer
ONT
23:59
Baltimore/Washington Thurgood Marshall International Airport - Ontario International Airport
Wed, May 1Frontier Airlines
CAD 402
Find More Flights

How do I find the cheapest flights?

When are flight tickets from Baltimore (BWI) to Ontario (ONT) the cheapest?
Airlines adjust prices for flights from Baltimore to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Baltimore (BWI) to Ontario (ONT) cost?
According to Trip.com's data, the lowest price is around CAD 508.
What's the most popular airline for direct flights from Baltimore (BWI) to Ontario (ONT)?
Southwest Airlines operates 1 direct flights from Baltimore (BWI) to Ontario (ONT).

How to find a cheap flight from Baltimore to Ontario

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Baltimore to Ontario. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com