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Cheap flights from Maryland to Los Angeles from $64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to Los Angeles departing on 12/6. 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 Maryland to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:15 am - 4:33 pmPHL-ONT
13h 18m1 stop
Frontier Logo
3:20 pm - 5:31 amONT-PHL
11h 11m1 stop
$130Frontier
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Mon, Dec 8 - Mon, Dec 15
Frontier Logo
6:15 am - 4:33 pmPHL-ONT
13h 18m1 stop
Frontier Logo
6:15 am - 5:40 amONT-PHL
20h 25m1 stop
$131Frontier
Find Deal
Mon, Dec 15 - Wed, Dec 17
Frontier Logo
12:23 pm - 6:01 pmBWI-ONT
8h 38m1 stop
Frontier Logo
6:56 pm - 11:26 amONT-BWI
13h 30m1 stop
$134Frontier
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Thu, Feb 5 - Sun, Feb 8
Multiple Airlines Logo
8:00 am - 2:04 pmBWI-ONT
33h 04m2 stops
Multiple Airlines Logo
2:59 pm - 9:17 amONT-BWI
15h 18m1 stop
$209Multiple Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Multiple Airlines Logo
8:30 pm - 4:33 pmBWI-ONT
23h 03m1 stop
Multiple Airlines Logo
3:20 pm - 10:19 amONT-BWI
15h 59m2 stops
$210Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Hawaiian Airlines Logo
6:30 pm - 6:33 pmIAD-ONT
27h 03m1 stop
Hawaiian Airlines Logo
6:00 am - 6:06 amONT-IAD
21h 06m1 stop
$289Hawaiian Airlines
Find Deal
Mon, Dec 8 - Sun, Dec 14
Alaska Airlines Logo
7:34 am - 11:29 pmIAD-ONT
18h 55m1 stop
Alaska Airlines Logo
6:00 am - 6:06 amONT-IAD
21h 06m1 stop
$306Alaska Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Delta Logo
7:15 am - 5:08 pmIAD-ONT
12h 53m1 stop
Delta Logo
6:40 am - 11:27 pmONT-IAD
13h 47m1 stop
$309Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
Delta Logo
7:30 am - 1:56 pmIAD-ONT
9h 26m1 stop
Delta Logo
7:30 am - 11:06 pmONT-IAD
12h 36m2 stops
$312Delta
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Fri, Jan 9 - Sat, Jan 17
Alaska Airlines Logo
7:34 am - 6:33 pmIAD-ONT
13h 59m1 stop
Alaska Airlines Logo
6:00 am - 6:06 amONT-IAD
21h 06m1 stop
$325Alaska Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8

Frontier flights from Maryland to Ontario

Our best Frontier deals on Maryland to Ontario flight tickets
Frontier
Dec 8
PHL6:15 amPhiladelphia
13h 18m
1 stop
ONT4:33 pmOntario
Dec 15
ONT3:20 pmOntario
11h 11m
1 stop
PHL5:31 amPhiladelphia
$130
Find similar
Frontier
Dec 15
PHL6:15 amPhiladelphia
13h 18m
1 stop
ONT4:33 pmOntario
Dec 17
ONT6:15 amOntario
20h 25m
1 stop
PHL5:40 amPhiladelphia
$131
Find similar
Frontier
Feb 5
BWI12:23 pmBaltimore/Washington
8h 38m
1 stop
ONT6:01 pmOntario
Feb 8
ONT6:56 pmOntario
13h 30m
1 stop
BWI11:26 amBaltimore/Washington
$134
Find similar

Delta flights from Maryland to Ontario

Our best Delta deals on Maryland to Ontario flight tickets
Delta
Dec 6
BWI6:00 amBaltimore/Washington
14h 08m
2 stops
ONT5:08 pmOntario
Dec 13
ONT12:40 pmOntario
14h 20m
2 stops
BWI6:00 amBaltimore/Washington
$296
Find similar
Delta
Dec 6
IAD7:15 amWashington, D.C. Dulles Intl
12h 53m
1 stop
ONT5:08 pmOntario
Dec 13
ONT6:40 amOntario
13h 47m
1 stop
IAD11:27 pmWashington, D.C. Dulles Intl
$309
Find similar
Delta
Jan 9
IAD7:30 amWashington, D.C. Dulles Intl
9h 26m
1 stop
ONT1:56 pmOntario
Jan 17
ONT7:30 amOntario
12h 36m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
$312
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Maryland to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 12, 2025.
Use the filters below to find and compare flights from Maryland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

Mon 12/8

6:15 am-4:33 pm

1 stop13h 18m

Ontario

Mon 12/15

3:20 pm-5:31 am

1 stop11h 11m

$130

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

Mon 12/15

6:15 am-4:33 pm

1 stop13h 18m

Ontario

Wed 12/17

6:15 am-5:40 am

1 stop20h 25m

$131

BaltimoreOntario

BWI - ONT

BWIONT

Baltimore/Washington

Thu 2/5

12:23 pm-6:01 pm

1 stop8h 38m

Ontario

Sun 2/8

6:56 pm-11:26 am

1 stop13h 30m

$134

BaltimoreOntario

BWI - ONT

BWIONT

Baltimore/Washington

Wed 12/3

8:00 am-2:04 pm

2 stops33h 04m

Ontario

Sun 12/7

2:59 pm-9:17 am

1 stop15h 18m

$209

BaltimoreOntario

BWI - ONT

BWIONT

Baltimore/Washington

Sat 12/6

8:30 pm-4:33 pm

1 stop23h 03m

Ontario

Sat 12/13

3:20 pm-10:19 am

2 stops15h 59m

$210

Washington, D.C.Ontario

IAD - ONT

IADONT

Washington, D.C. Dulles Intl

Mon 12/8

6:30 pm-6:33 pm

1 stop27h 03m

Ontario

Sun 12/14

6:00 am-6:06 am

1 stop21h 06m

$289

Washington, D.C.Ontario

IAD - ONT

IADONT

Washington, D.C. Dulles Intl

Fri 12/5

7:34 am-11:29 pm

1 stop18h 55m

Ontario

Mon 12/8

6:00 am-6:06 am

1 stop21h 06m

$306

Washington, D.C.Ontario

IAD - ONT

IADONT

Washington, D.C. Dulles Intl

Sat 12/6

7:15 am-5:08 pm

1 stop12h 53m

Ontario

Sat 12/13

6:40 am-11:27 pm

1 stop13h 47m

$309

Washington, D.C.Ontario

IAD - ONT

IADONT

Washington, D.C. Dulles Intl

Fri 1/9

7:30 am-1:56 pm

1 stop9h 26m

Ontario

Sat 1/17

7:30 am-11:06 pm

2 stops12h 36m

$312

Washington, D.C.Ontario

IAD - ONT

IADONT

Washington, D.C. Dulles Intl

Sat 12/6

7:34 am-6:33 pm

1 stop13h 59m

Ontario

Mon 12/8

6:00 am-6:06 am

1 stop21h 06m

$325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Maryland 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, April is the cheapest month to fly from Maryland to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $326. If you aren’t able to travel during the month of April, then book flights to Ontario from Maryland during October instead. Flights to Ontario in October, while not as cheap as those in April, still average around $334.

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 $323. 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 Maryland to Ontario for around $480.

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 Maryland to Ontario when you can find flight prices for as low as $366. 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 $431 on average. Flights to Ontario from Maryland in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Maryland to Ontario flight route?

Fly from Baltimore/Washington to Ontario for the best Maryland - Ontario flight prices

What cabin class options are available on Maryland to Ontario flights?

There is only 1 cabin class available to choose from on Maryland to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Maryland to Ontario flights?

You could potentially save up to 3% on your flight if you consider stops on a Maryland to Ontario flight.

Cheap Maryland to Ontario flight deals and tips

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

Best Price Found

$198

Fastest flight time

5h 35m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from Maryland in the past 72 hours is $198. The best round-trip flight deal from Maryland to Ontario found on momondo in the last 72 hours is $533.
The fastest flight from Maryland to Ontario takes 5h 35m
Direct flights go from Maryland to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)
Search flight deals

  • When did momondo last update prices for flights from Maryland to Ontario Airport?

    Prices for flights from Maryland to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from Maryland to Ontario Airport?

  • How old do you have to be to fly from Maryland to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maryland 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 plane model from Maryland to Ontario?

Best airlines flying from Maryland to Ontario

Compare and see reviews for airlines that fly from Maryland to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $188Free CancellationRating
5.8
3,114 reviews
Search Frontier flights
DeltaPriceFrom $326Free CancellationRating
7.9
8,009 reviews
Search Delta flights
American AirlinesPriceFrom $336Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $344Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
SouthwestPriceFrom $352Free CancellationRating
8.0
4,235 reviews
Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Maryland to Ontario. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Ontario from Maryland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Maryland 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 Maryland to Ontario.

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

Of course. momondo tracks the price of Maryland to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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