Cheap flights from Maryland to Ontario from $57
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 Ontario departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
Deals available from 900+ travel sites.
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.Find the cheapest flights from Maryland to Los Angeles
Cheap round-trip flights
These are some of the best round-trip flight deals from Maryland 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 Maryland to Los Angeles.
Cheap last minute flights
Planning a quick getaway from Maryland 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 Maryland to Los Angeles
Find recent round-trip train or bus tickets from Maryland to Los Angeles.
All round-trip flight deals from Maryland to Los Angeles
The cheapest plane tickets from Maryland to Los Angeles found on KAYAK recently.
American Airlines flights from Maryland to Ontario
Our best American Airlines deals on Maryland to Ontario flight tickets
American Airlines![American Airlines]()
Feb 5![American Airlines]()
Feb 12
DCA2:59 pmWashington, D.C. Reagan-National
10h 46m
1 stop
ONT10:45 pmOntario
ONT7:00 amOntario
9h 50m
1 stop
DCA7:50 pmWashington, D.C. Reagan-National
American Airlines![American Airlines]()
Feb 8![American Airlines]()
Feb 12
DCA5:00 amWashington, D.C. Reagan-National
7h 56m
1 stop
ONT9:56 amOntario
ONT3:04 pmOntario
6h 41m
1 stop
DCA12:45 amWashington, D.C. Reagan-National
Frontier flights from Maryland to Ontario
Our best Frontier deals on Maryland to Ontario flight tickets
Frontier![Frontier]()
Apr 23![Frontier]()
Apr 26
DCA7:00 amWashington, D.C. Reagan-National
7h 20m
1 stop
ONT11:20 amOntario
ONT12:10 pmOntario
6h 49m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Frontier![Frontier]()
Apr 22![Frontier]()
Apr 26
DCA7:00 amWashington, D.C. Reagan-National
7h 20m
1 stop
ONT11:20 amOntario
ONT12:10 pmOntario
6h 49m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
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
Prices
Airlines
Other information
What is the cheapest month to fly to Ontario?
In general, May 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 $288. If you aren’t able to travel during the month of May, then book flights to Ontario from Maryland during August instead. Flights to Ontario in August, while not as cheap as those in May, still average around $295.
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.
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 16 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $445 when searching 16 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 is the cheapest airline that flies from Maryland to Ontario?
Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Maryland to Ontario
What airlines fly to Ontario?
Spirit Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Ontario from Maryland according to our data. Spirit Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
How long does it take to fly to Ontario?
Average flight duration from Maryland to Ontario depends on which airport you fly into and out of. Flying from Baltimore to Los Angeles is 5h 26m on average, while flying from Salisbury to Los Angeles is 7h 42m on average. Los Angeles is the most popular airport in 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
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?
As of January 2025, there are 6 operators available to choose from 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.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $154 | Free Cancellation | Rating 6.0 3,440 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 7.4 8,971 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 8.0 8,508 reviews | |||
| PriceFrom $321 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $326 | Free Cancellation | Rating 8.1 4,647 reviews |
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.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
From?
To?
Email me momondo's favorite deals
By creating a price alert you accept our terms of use and privacy policy.