Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Change your flight without a fee on select flights

Feel at ease with free flight cancellations within 24 hours of booking

Flights Fare Calendar Find minimum fare between Baltimore Washington Intl. Thurgood Marshall and Los Angeles - Ontario Intl. Click this button to get previous days data Click this button to get next days data $1,012 $867 $723 $578 $434 $289 $145 $0 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S Price is $1,012 on Alaska Airlines Price is $480 on Delta Price is $696 on Frontier Airlines Price is $626 on American Airlines Price is $678 on American Airlines Price is $615 on American Airlines Price is $685 on American Airlines Price is $634 on American Airlines Price is $633 on American Airlines Price is $591 on Frontier Airlines Price is $517 on American Airlines Price is $584 on American Airlines Price is $622 on American Airlines Price is $846 on Frontier Airlines Price is $456 on American Airlines Price is $525 on American Airlines Price is $599 on American Airlines Price is $456 on American Airlines Price is $760 on Frontier Airlines Price is $562 on American Airlines Price is $448 on Frontier Airlines Price is $667 on American Airlines Price is $445 on American Airlines Price is $416 on Frontier Airlines Price is $349 on American Airlines Price is $513 on Frontier Airlines Price is $560 on American Airlines Price is $433 on American Airlines Price is $344 on Frontier Airlines

Amazing BWI to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $187 round trip and $89 one way. Prices and availability subject to change. Additional terms may apply.

Best Los Angeles - Ontario Intl. Flight and Hotel Packages

Los Angeles - Ontario Intl. flight + hotel packages - economy flights

Los Angeles - Ontario Intl. flight + hotel packages - business class flights

FAQs about flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Los Angeles - Ontario Intl. Airport (ONT)

Can I catch a flight from Baltimore, MD Airport (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) right now?

It's prudent to learn about any quarantine requirements and travel advice reports in effect in your destination. Make sure you check out our Covid-19 Travel Advisor for up-to-date information on booking a flight to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.).

Are there direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to ONT?

You won't find any nonstop flights from BWI Marshall to ONT. But we can point you to airlines advertising flights with just one stopover. Check out the fares on offer from Southwest Airlines, Delta and American Airlines.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.), please visit our Customer Service Portal.

How long is the flight from Baltimore, MD Airport (BWI-Baltimore Washington Intl. Thurgood Marshall) to ONT?

With the flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to ONT taking around 7 hours and 3 minutes, there will be time to get lots of things done in the air. Take advantage of the journey by bringing that book you never have time to read, checking out what's on the in-flight entertainment or having a good snooze. You may even find you're able to squeeze in all three before arriving.

What is the flight distance from BWI Marshall to ONT?

From BWI to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.), the flight distance is 2,548 mi. It's a long-haul journey, so be sure to bring all the essentials. Some noise-canceling earphones and a sweater are smart items to start with.

What airlines fly from BWI Marshall to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?

You'll need to plan for at least one stopover if you want to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.), as no airlines operate direct flights between these destinations. Make the most of your layover time by freshening up, stretching your legs and engaging in a little retail therapy.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Baltimore Washington Intl. Thurgood Marshall to Los Angeles - Ontario Intl. Flight FAQ

Traveling FromBaltimore Washington Intl. Thurgood Marshall
Traveling ToLos Angeles - Ontario Intl.
Shortest Flight Time3 hours 50 mins
Earliest Departure Time8:20AM PDT
Latest Departure Time8:20AM PDT
Lowest Flight Price$187

Route Info

Flight path for flights from Baltimore/Wash International Thurgood Marshall Airport to LA/Ontario International Airport.


Distance:
2,601.00 miles


Popular Flight Routes from Baltimore (BWI)

Baltimore Washington Intl. Thurgood Marshall to Los Angeles - Ontario Intl. Flight FAQ

Traveling FromBaltimore Washington Intl. Thurgood Marshall
Traveling ToLos Angeles - Ontario Intl.
Shortest Flight Time3 hours 50 mins
Earliest Departure Time8:20AM PDT
Latest Departure Time8:20AM PDT
Lowest Flight Price$187

Popular Flight Routes from Ontario (ONT)

Travelers at ONT love to visit these top cities. Roam to the top destinations from Ontario(ONT) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.