Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Maryland to Los Angeles from $105

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 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Maryland to Los Angeles

Cheap round-trip flights

American Airlines Logo
5:00 am - 9:58 amDCA-ONT
7h 58m1 stop
American Airlines Logo
10:35 pm - 9:24 amONT-DCA
7h 49m1 stop
$211American Airlines
Find Deal
mar., sep. 2 - mar., sep. 9
American Airlines Logo
6:27 am - 1:39 pmIAD-ONT
10h 12m1 stop
American Airlines Logo
10:53 am - 10:45 pmONT-IAD
8h 52m1 stop
$211American Airlines
Find Deal
mar., sep. 2 - mar., sep. 9
American Airlines Logo
5:00 am - 9:58 amDCA-ONT
7h 58m1 stop
American Airlines Logo
10:53 am - 11:01 pmONT-DCA
9h 08m2 stops
$216American Airlines
Find Deal
mar., sep. 2 - mar., sep. 9
Logo
9:00 am - 4:18 pmPHL-ONT
10h 18m1 stop
Logo
9:16 am - 6:05 amONT-PHL
17h 49m1 stop
$218
Find Deal
mié., sep. 3 - jue., sep. 11
Southwest Logo
1:45 pm - 8:25 pmDCA-ONT
9h 40m1 stop
Southwest Logo
11:00 am - 11:25 pmONT-DCA
9h 25m2 stops
$228Southwest
Find Deal
mié., oct. 15 - mar., oct. 21
Southwest Logo
1:55 pm - 8:10 pmDCA-ONT
9h 15m1 stop
Southwest Logo
9:10 pm - 10:00 amONT-DCA
9h 50m2 stops
$231Southwest
Find Deal
mié., oct. 1 - mar., oct. 7
Alaska Airlines Logo
7:00 am - 2:12 pmIAD-ONT
10h 12m1 stop
Alaska Airlines Logo
7:40 pm - 7:33 amONT-IAD
8h 53m1 stop
$248Alaska Airlines
Find Deal
mié., sep. 3 - jue., sep. 4
Frontier Logo
6:00 pm - 11:50 pmDCA-ONT
8h 50m1 stop
Frontier Logo
12:59 am - 12:11 pmONT-DCA
8h 12m1 stop
$255Frontier
Find Deal
sáb., oct. 11 - vie., oct. 17
Frontier Logo
6:45 am - 7:23 amPHL-ONT
27h 38m1 stop
Frontier Logo
8:59 pm - 11:43 pmONT-PHL
23h 44m1 stop
$258Frontier
Find Deal
sáb., sep. 13 - mar., sep. 16
Alaska Airlines Logo
7:00 am - 2:12 pmIAD-ONT
10h 12m1 stop
Alaska Airlines Logo
7:47 pm - 7:33 amONT-IAD
8h 46m1 stop
$298Alaska Airlines
Find Deal
vie., oct. 3 - lun., oct. 6

American Airlines flights from Maryland to Ontario

Our best American Airlines deals on Maryland to Ontario flight tickets
American Airlines
Sep 2
DCA5:00 amWashington, D.C. Reagan-National
7h 58m
1 stop
ONT9:58 amOntario
Sep 9
ONT10:35 pmOntario
7h 49m
1 stop
DCA9:24 amWashington, D.C. Reagan-National
$211
Find similar
American Airlines
Sep 2
DCA5:00 amWashington, D.C. Reagan-National
7h 58m
1 stop
ONT9:58 amOntario
Sep 9
ONT10:53 amOntario
9h 08m
2 stops
DCA11:01 pmWashington, D.C. Reagan-National
$216
Find similar
American Airlines
Aug 28
PHL1:35 pmPhiladelphia
7h 42m
1 stop
ONT6:17 pmOntario
Sep 1
ONT7:02 pmOntario
7h 23m
1 stop
PHL5:25 amPhiladelphia
$221
Find similar

Southwest flights from Maryland to Ontario

Our best Southwest deals on Maryland to Ontario flight tickets
Southwest
Oct 15
DCA1:45 pmWashington, D.C. Reagan-National
9h 40m
1 stop
ONT8:25 pmOntario
Oct 21
ONT11:00 amOntario
9h 25m
2 stops
DCA11:25 pmWashington, D.C. Reagan-National
$228
Find similar
Southwest
Oct 1
DCA1:55 pmWashington, D.C. Reagan-National
9h 15m
1 stop
ONT8:10 pmOntario
Oct 7
ONT9:10 pmOntario
9h 50m
2 stops
DCA10:00 amWashington, D.C. Reagan-National
$231
Find similar
Southwest
Dec 3
DCA6:00 amWashington, D.C. Reagan-National
7h 35m
1 stop
ONT10:35 amOntario
Dec 9
ONT5:25 amOntario
7h 45m
1 stop
DCA4:10 pmWashington, D.C. Reagan-National
$237
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 agosto 5, 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

Washington, D.C.Ontario

DCA - ONT

DCAONT

Washington, D.C. Reagan-National

mar. 9/2

5:00 am-9:58 am

1 stop7h 58m

Ontario

mar. 9/9

10:35 pm-9:24 am

1 stop7h 49m

$211

Washington, D.C.Ontario

IAD - ONT

IADONT

Washington, D.C. Dulles Intl

mar. 9/2

6:27 am-1:39 pm

1 stop10h 12m

Ontario

mar. 9/9

10:53 am-10:45 pm

1 stop8h 52m

$211

Washington, D.C.Ontario

DCA - ONT

DCAONT

Washington, D.C. Reagan-National

mar. 9/2

5:00 am-9:58 am

1 stop7h 58m

Ontario

mar. 9/9

10:53 am-11:01 pm

2 stops9h 08m

$216

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

mié. 9/3

9:00 am-4:18 pm

1 stop10h 18m

Ontario

jue. 9/11

9:16 am-6:05 am

1 stop17h 49m

$218

Washington, D.C.Ontario

DCA - ONT

DCAONT

Washington, D.C. Reagan-National

mié. 10/15

1:45 pm-8:25 pm

1 stop9h 40m

Ontario

mar. 10/21

11:00 am-11:25 pm

2 stops9h 25m

$228

Washington, D.C.Ontario

DCA - ONT

DCAONT

Washington, D.C. Reagan-National

mié. 10/1

1:55 pm-8:10 pm

1 stop9h 15m

Ontario

mar. 10/7

9:10 pm-10:00 am

2 stops9h 50m

$231

Washington, D.C.Ontario

IAD - ONT

IADONT

Washington, D.C. Dulles Intl

mié. 9/3

7:00 am-2:12 pm

1 stop10h 12m

Ontario

jue. 9/4

7:40 pm-7:33 am

1 stop8h 53m

$248

Washington, D.C.Ontario

DCA - ONT

DCAONT

Washington, D.C. Reagan-National

sáb. 10/11

6:00 pm-11:50 pm

1 stop8h 50m

Ontario

vie. 10/17

12:59 am-12:11 pm

1 stop8h 12m

$255

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

sáb. 9/13

6:45 am-7:23 am

1 stop27h 38m

Ontario

mar. 9/16

8:59 pm-11:43 pm

1 stop23h 44m

$258

Washington, D.C.Ontario

IAD - ONT

IADONT

Washington, D.C. Dulles Intl

vie. 10/3

7:00 am-2:12 pm

1 stop10h 12m

Ontario

lun. 10/6

7:47 pm-7:33 am

1 stop8h 46m

$298

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

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, August 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 $323. If you aren’t able to travel during the month of August, then book flights to Ontario from Maryland during April instead. Flights to Ontario in April, while not as cheap as those in August, still average around $326.

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

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

You are more likely to see cheaper flights to Ontario from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $432 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Maryland for as low as $309 on momondo.

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

There are 1 cabin classes 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?

No. A direct flight is the cheapest option for a flight between Maryland to Ontario.

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

$105

Fastest flight time

5h 15m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from Maryland in the past 72 hours is $105. The best round-trip flight deal from Maryland to Ontario found on momondo in the last 72 hours is $211.
The fastest flight from Maryland to Ontario takes 5h 15m
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 $175Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
United AirlinesPriceFrom $310Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $326Free CancellationRating
8.0
7,985 reviews
Search Delta flights
SouthwestPriceFrom $326Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $336Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
dom. 8/10
dom. 8/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States