Search & Compare - Baltimore to Ontario Flights & Tickets

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Find Cheap Flights from Washington to Los Angeles BWI ONT

Looking for a cheap last-minute deal or the best round-trip flight from Baltimore to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

Recent airfare deals on Baltimore to Ontario

Southwest Airlines  WN
Southwest Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 211

One-way WN fare found on 2025-06-04
Southwest Airlines  WN
Southwest Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 214

One-way WN fare found on 2025-06-04
Southwest Airlines  WN
Southwest Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 214

One-way WN fare found on 2025-06-04
Southwest Airlines  WN
Southwest Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 214

One-way WN fare found on 2025-06-04
Southwest Airlines  WN
Southwest Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 214

One-way WN Nonstop fare found on 2025-06-04
Southwest Airlines  WN
Southwest Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 378

One-way WN fare found on 2025-06-04
Southwest Airlines  WN
Southwest Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 383

One-way WN Nonstop fare found on 2025-06-04
Southwest Airlines  WN
Southwest Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 383

One-way WN fare found on 2025-06-04
Alaska Airlines  AS
Alaska Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 592

One-way AS fare found on 2025-06-04
Hawaiian Airlines  HA
Hawaiian Airlines
Baltimore
2025-07-01
Ontario
2025-07-02
USD 592

One-way HA fare found on 2025-06-04


*Prices are per person and are for e-tickets and include all taxes & fees in USD.
*Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
*Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

Facts to know while booking flights from Baltimore to Ontario

What are the airports in Baltimore?
IAD,BWI,DCA
What’s the most popular airline flying from BWI to ONT?
The most popular airline flying from Baltimore to Ontario are Hawaiian Airlines, Southwest Airlines, Alaska Airlines
Can I fly from BWI to ONT non-stop?
Yes, you can fly BWI to ONT non-stop on Southwest Airlines
Which airlines fly nonstop between Baltimore and Ontario?
The non-stop flights between Baltimore and Ontario are Southwest Airlines.
What’s the earliest departure time from BWI to ONT Airport?
The earliest flight leaves BWI at 6:15 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Baltimore to Ontario 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 BWI to ONT?
Read the fare rules of the Baltimore to Ontario 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 Baltimore and Ontario?
NULL, NULL, Oneworld operate flights between Baltimore and Ontario
How long does a flight from Baltimore to Ontario take?
It takes approximately 5 hour to fly non-stop from BWI to ONT, which is 2282.96 miles by air.
Which airlines provide the cheapest flights from Baltimore (BWI) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from BWI were found on Southwest Airlines : USD 214
Do I need a passport to fly between BWI and ONT?
No
What’s the latest departure time from BWI to ONT ?
The last flight leaves BWI at 6:55 pm

Flights from Baltimore to Ontario

Origin AirportBaltimore/Washington International Thurgood Marsha, Baltimore, US
Destination AirportOntario International , Ontario, US
Served by AirlinesHawaiian Airlines, Southwest Airlines, Alaska Airlines
Lowest PriceSouthwest Airlines : USD 214
Distance2283 miles

Airlines Flying from Baltimore/Washington International Thurgood Marsha

Popular Routes

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