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Cheap flights from Baltimore to Ontario from $86

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Ontario departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Baltimore to Los Angeles

Cheap round-trip flights

These are some of the best round-trip flight deals from Baltimore to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Baltimore to Los Angeles.

Cheap last minute flights

Planning a quick getaway from Baltimore to Los Angeles? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Baltimore to Los Angeles

Find recent round-trip train or bus tickets from Baltimore to Los Angeles.

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
2:16 pm - 11:59 pmBWI-ONT
12h 43m1 stop
12:59 am - 1:26 pmONT-BWI
9h 27m1 stop
$298Frontier
Find Deal
Mon, Dec 23 - Thu, Jan 2
10:10 am - 11:44 pmBWI-ONT
16h 34m2 stops
12:59 am - 4:53 pmONT-BWI
12h 54m2 stops
$300Frontier
Find Deal
Wed, Dec 4 - Tue, Dec 17
4:41 pm - 11:02 pmBWI-ONT
9h 21m1 stop
1:21 pm - 11:34 pmONT-BWI
7h 13m1 stop
$346Delta
Find Deal
Wed, Dec 11 - Tue, Jan 7
2:10 pm - 12:14 amBWI-ONT
13h 04m2 stops
1:21 pm - 11:34 pmONT-BWI
7h 13m1 stop
$351Delta
Find Deal
Wed, Dec 11 - Tue, Jan 7
6:00 am - 1:58 pmBWI-ONT
10h 58m1 stop
10:00 am - 12:32 amONT-BWI
11h 32m2 stops
$356American Airlines
Find Deal
Wed, Jan 1 - Tue, Jan 7
7:00 am - 11:35 amBWI-ONT
7h 35m1 stop
11:55 am - 12:15 amONT-BWI
9h 20m1 stop
$371Southwest
Find Deal
Wed, Jan 1 - Tue, Jan 7
6:10 pm - 10:30 pmBWI-ONT
7h 20m1 stop
4:10 pm - 1:25 amONT-BWI
6h 15m1 stop
$394Southwest
Find Deal
Tue, Feb 18 - Sun, Feb 23
4:10 pm - 8:51 pmBWI-ONT
7h 41m1 stop
6:00 am - 4:20 pmONT-BWI
7h 20m1 stop
$446United Airlines
Find Deal
Sat, Jan 25 - Tue, Jan 28
6:00 am - 1:58 pmBWI-ONT
10h 58m1 stop
10:56 am - 11:27 pmONT-BWI
9h 31m1 stop
$447American Airlines
Find Deal
Wed, Jan 1 - Tue, Jan 7
4:02 pm - 8:55 pmBWI-ONT
7h 53m1 stop
1:44 pm - 1:53 pmONT-BWI
21h 09m2 stops
$455United Airlines
Find Deal
Sat, Feb 22 - Tue, Feb 25
10:10 am - 11:47 pmBWI-ONT
16h 37m2 stops
$86Frontier
Find Deal
Tue, Jan 28
12:58 pm - 11:24 pmBWI-ONT
13h 26m2 stops
$98Frontier
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Mon, Jan 27
6:00 am - 4:54 pmBWI-ONT
13h 54m2 stops
$167Delta
Find Deal
Wed, Dec 11
6:00 am - 11:01 amBWI-ONT
8h 01m1 stop
$173Delta
Find Deal
Tue, Dec 17
6:56 pm - 11:02 amBWI-ONT
19h 06m1 stop
$197Alaska Airlines
Find Deal
Tue, Feb 18
10:35 am - 5:00 pmBWI-ONT
9h 25m1 stop
$198Southwest
Find Deal
Tue, Jan 21
6:56 pm - 4:59 pmBWI-ONT
25h 03m2 stops
$202Alaska Airlines
Find Deal
Tue, Feb 18
4:10 pm - 8:51 pmBWI-ONT
7h 41m1 stop
$223United Airlines
Find Deal
Tue, Jan 7
8:24 am - 12:41 pmBWI-ONT
7h 17m1 stop
$224United Airlines
Find Deal
Tue, Feb 11
7:45 am - 2:55 pmBWI-ONT
10h 10m2 stops
$226Southwest
Find Deal
Thu, Feb 20
2:11 pm - 8:26 amBWI-ONT
21h 15m1 stop
2:19 pm - 11:29 amONT-BWI
18h 10m1 stop
$323Frontier
Find Deal
Mon, Nov 25 - Thu, Nov 28
2:11 pm - 12:04 amBWI-ONT
12h 53m1 stop
6:30 am - 4:55 pmONT-BWI
7h 25m1 stop
$513Frontier
Find Deal
Mon, Nov 25 - Fri, Nov 29
7:00 am - 4:45 pmBWI-ONT
12h 45m2 stops
7:10 am - 6:36 pmONT-BWI
8h 26m1 stop
$841Delta
Find Deal
Mon, Nov 25 - Fri, Nov 29
4:09 pm - 8:44 pmBWI-ONT
7h 35m1 stop
5:05 am - 3:13 pmONT-BWI
7h 08m1 stop
$852United Airlines
Find Deal
Sat, Nov 23 - Fri, Nov 29
8:40 am - 2:34 pmBWI-ONT
8h 54m1 stop
5:05 am - 11:21 pmONT-BWI
15h 16m1 stop
$855United Airlines
Find Deal
Sun, Nov 24 - Wed, Dec 4
6:04 am - 1:59 pmBWI-ONT
10h 55m2 stops
10:43 am - 12:33 amONT-BWI
10h 50m2 stops
$902American Airlines
Find Deal
Mon, Nov 25 - Fri, Nov 29
8:25 am - 2:00 pmBWI-ONT
8h 35m1 stop
3:15 pm - 12:55 amONT-BWI
6h 40m1 stop
$946Southwest
Find Deal
Sun, Nov 24 - Sun, Dec 1
11:55 am - 5:20 pmBWI-ONT
8h 25m2 stops
1:45 pm - 1:05 amONT-BWI
8h 20m1 stop
$947Southwest
Find Deal
Sun, Nov 24 - Sun, Dec 1
2:05 pm - 11:53 pmBWI-ONT
12h 48m2 stops
10:00 pm - 8:56 amONT-BWI
7h 56m1 stop
$1,017Delta
Find Deal
Fri, Nov 22 - Mon, Dec 2
9:14 am - 3:23 pmBWI-ONT
9h 09m2 stops
10:10 am - 10:17 pmONT-BWI
9h 07m2 stops
$1,096American Airlines
Find Deal
Sun, Nov 24 - Tue, Nov 26

United Airlines flights from Baltimore to Ontario

Our best United Airlines deals on Baltimore to Ontario flight tickets
United Airlines
Jan 25
BWI4:10 pmBaltimore/Washington
7h 41m
1 stop
ONT8:51 pmOntario
Jan 28
ONT6:00 amOntario
7h 20m
1 stop
BWI4:20 pmBaltimore/Washington
United Airlines
Feb 22
BWI4:02 pmBaltimore/Washington
7h 53m
1 stop
ONT8:55 pmOntario
Feb 25
ONT1:44 pmOntario
21h 09m
2 stops
BWI1:53 pmBaltimore/Washington
United Airlines
Nov 28
BWI12:48 pmBaltimore/Washington
10h 09m
1 stop
ONT7:57 pmOntario
Nov 29
ONT5:05 amOntario
7h 08m
1 stop
BWI3:13 pmBaltimore/Washington

Delta flights from Baltimore to Ontario

Our best Delta deals on Baltimore to Ontario flight tickets
Delta
Dec 11
BWI4:41 pmBaltimore/Washington
9h 21m
1 stop
ONT11:02 pmOntario
Jan 7
ONT1:21 pmOntario
7h 13m
1 stop
BWI11:34 pmBaltimore/Washington
Delta
Dec 11
BWI2:10 pmBaltimore/Washington
13h 04m
2 stops
ONT12:14 amOntario
Jan 7
ONT1:21 pmOntario
7h 13m
1 stop
BWI11:34 pmBaltimore/Washington
Delta
Feb 22
BWI6:00 amBaltimore/Washington
8h 50m
1 stop
ONT11:50 amOntario
Feb 25
ONT1:00 pmOntario
8h 38m
1 stop
BWI12:38 amBaltimore/Washington

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Baltimore to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, January is the cheapest month to fly from Baltimore to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $280. If you aren’t able to travel during the month of January, then book flights to Ontario from Baltimore during February instead. Flights to Ontario in February, while not as cheap as those in January, still average around $290.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $315. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Baltimore to Ontario for around $472.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Baltimore to Ontario when you can find flight prices for as low as $358. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $428 on average. Flights to Ontario from Baltimore in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Ontario?

Most flyers found that booking tickets 53 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $358. However, in the past 72 hours, people saw flights from Baltimore for as low as $139.

Can stopping save me money on Baltimore to Ontario flights?

You could potentially save up to 44% on your flight if you consider stops on a Baltimore to Ontario flight.

How have Baltimore to Ontario flight prices changed over time?

As of November 2024, prices for Baltimore to Ontario flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Baltimore to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Ontario (BWI to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Ontario

Best Price Found

$86

Fastest flight time

7h 17m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Baltimore in the past 72 hours is $86. The best round-trip flight deal from Baltimore to Ontario found on momondo in the last 72 hours is $298.
The fastest flight from Baltimore to Ontario takes 7h 17m
There are no direct flights from Baltimore to Ontario. Popular non-direct route for this connection is Baltimore/Washington Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Baltimore/Washington to Ontario by plane?

    Ontario is 2281.3 mi away from Baltimore/Washington. By plane, this route typically takes 7h 20m.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Ontario Airport?

    Prices for flights from Baltimore/Washington Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to Ontario Airport?

  • How old do you have to be to fly from Baltimore/Washington Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Baltimore to Ontario?


Best airlines flying from Baltimore to Ontario

Compare and see reviews for airlines that fly from Baltimore to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $154Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $154Free CancellationRating
6.3
8,169 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
SouthwestPriceFrom $260Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
American AirlinesPriceFrom $294Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $296Free CancellationRating
8.0
8,755 reviews
Search Delta flights
  • Southwest Flights From Baltimore to Ontario

    Across 4 Southwest flights from Baltimore to Ontario this week, the average price was $431, with the best Southwest deals starting from $260 round-trip. 5,005 users have rated Southwest on momondo, with an average score of 8.1/10.


Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Ontario?

It is quick and easy to find Baltimore to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Baltimore to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Baltimore to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Baltimore to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Baltimore to Ontario.

I’m not ready to book a flight from Baltimore to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Baltimore to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.


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