$102+ Cheap flights from Maryland to Ontario (ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ONT
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Maryland to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Maryland to Ontario
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One-way
Cheapest flights from Maryland to OntarioExplore the most affordable flight options available from Maryland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Maryland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:05 pm -
2 stops24h 40m
Tue 12/1511:30 am -
2 stops21h 40m
Deal found 10/25![Frontier logo]()
$161
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 am -
2 stops19h 17m
Wed 12/911:30 am -
2 stops18h 12m
Deal found 10/27![Frontier logo]()
$192
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:02 am -
2 stops17h 12m
Tue 12/12:00 pm -
2 stops19h 11m
Deal found 10/26![Frontier logo]()
$196
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:02 am -
2 stops17h 12m
Mon 11/302:01 pm -
2 stops19h 10m
Deal found 10/27![Frontier logo]()
$200
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
2 stops19h 20m
Wed 12/911:30 am -
2 stops18h 12m
Deal found 10/28![Frontier logo]()
$201
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:03 pm -
2 stops18h 25m
Sat 12/58:44 am -
2 stops10h 57m
Deal found 10/29![Frontier logo]()
$207
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:54 pm -
2 stops13h 23m
Sat 12/58:44 am -
2 stops10h 57m
Deal found 10/29![Frontier logo]()
$209
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:02 am -
2 stops17h 12m
Wed 12/22:00 pm -
2 stops19h 22m
Deal found 10/26![Frontier logo]()
$212
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:41 pm -
2 stops19h 04m
Wed 12/92:53 pm -
2 stops15h 28m
Deal found 10/29![Frontier logo]()
$215
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:42 pm -
2 stops20h 00m
Mon 11/168:35 pm -
2 stops11h 17m
Deal found 10/25![Frontier logo]()
$216
Best flights from Maryland to OntarioDiscover carefully curated flight deals from Maryland to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Maryland to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:00 pm -
1 stop8h 55m
Mon 12/711:08 pm -
1 stop8h 50m
Deal found 10/26![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:15 am -
1 stop7h 20m
Wed 1/137:00 am -
1 stop7h 00m
Deal found 10/29![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:20 pm -
1 stop8h 39m
Mon 12/146:40 pm -
2 stops12h 00m
Deal found 10/29![United Airlines logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:01 am -
1 stop11h 02m
Fri 1/16:00 am -
1 stop8h 42m
Deal found 10/29![Alaska Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:08 am -
1 stop7h 47m
Fri 1/227:05 am -
1 stop7h 49m
Deal found 10/26![Delta logo]()
$405
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:15 am -
1 stop8h 35m
Tue 12/294:40 pm -
1 stop10h 00m
Deal found 10/28![Southwest logo]()
$410
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:08 am -
1 stop7h 47m
Tue 1/191:20 pm -
1 stop7h 32m
Deal found 10/26![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop8h 03m
Sat 11/215:04 pm -
1 stop9h 56m
Deal found 10/25![Delta logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:00 am -
1 stop12h 05m
Fri 12/183:59 pm -
1 stop10h 42m
Deal found 10/26![Alaska Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/115:05 pm -
1 stop7h 39m
Thu 1/141:07 pm -
1 stop8h 41m
Deal found 10/29![Delta logo]()
$509
Last-minute flights from Maryland to OntarioDiscover last-minute flight deals from Maryland to Ontario. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Ontario. Data last updated October 30, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:28 pm -
2 stops19h 14m
Mon 11/168:35 pm -
2 stops11h 17m
Deal found 10/25![Frontier logo]()
$228
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:42 pm -
2 stops18h 58m
Tue 11/175:07 pm -
2 stops14h 45m
Deal found 10/26![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:37 am -
1 stop8h 01m
Mon 11/236:08 pm -
1 stop12h 45m
Deal found 10/26![Frontier logo]()
$232
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:45 am -
2 stops13h 36m
Wed 11/185:07 pm -
2 stops14h 45m
Deal found 10/26![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:07 pm -
1 stop8h 01m
Mon 11/236:08 pm -
1 stop12h 45m
Deal found 10/27![Frontier logo]()
$242
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:02 am -
2 stops17h 12m
Tue 12/12:00 pm -
2 stops19h 11m
Deal found 10/26![Frontier logo]()
$196
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:02 am -
2 stops17h 12m
Mon 11/302:01 pm -
2 stops19h 10m
Deal found 10/27![Frontier logo]()
$200
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:02 am -
2 stops17h 12m
Wed 12/22:00 pm -
2 stops19h 22m
Deal found 10/26![Frontier logo]()
$212
One-way flights from Maryland to OntarioSearch for one-way flight options from Maryland to Ontario. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Maryland to Ontario. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 am -
2 stops19h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$102
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
2 stops19h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$103
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:41 pm -
2 stops19h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$104
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:02 am -
2 stops17h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$105
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:37 am -
2 stops15h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$107
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:03 pm -
2 stops18h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$108
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:04 pm -
2 stops17h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$109
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:00 pm -
2 stops11h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:37 am -
1 stop8h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$116
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:05 pm -
2 stops18h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$118
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:28 pm -
2 stops19h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$121
Find flight deals from Maryland to Ontario
Keep the following information in mind while searching for Maryland to Ontario flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $161 (Mytrip) |
One-way from | $102 (Mytrip) |
Popular in | March |
Cheapest in | January |
Average price | $387 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
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
Cheapest round-trip
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Mon 1/4
7:00 am-12:12 pm
1 stop8h 12m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$203
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Sat 12/5
7:00 am-4:05 pm
1 stop12h 05m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$215
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Fri 1/15
1:15 pm-7:00 pm
Nonstop8h 45m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$241
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Sat 1/23
8:00 am-3:18 pm
1 stop10h 18m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$268
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Tue 12/29
6:15 am-11:50 am
1 stop8h 35m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$276
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Tue 1/5
6:00 am-11:55 am
1 stop8h 55m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$305
Quickest round-trip
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Tue 1/5
8:15 am-12:40 pm
1 stop7h 25m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$306
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Sat 11/7
3:25 pm-9:05 pm
1 stop8h 40m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$324
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Mon 11/2
2:11 pm-7:30 pm
1 stop8h 19m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$324
BaltimoreOntario
BWI Baltimore/Washington - ONT Ontario
BWIONT
Baltimore/Washington
Sat 11/7
2:11 pm-7:30 pm
1 stop8h 19m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$324
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Maryland to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Maryland with our price prediction graph.
BWI-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Maryland to Ontario
USMD-ONT
BWI-ONT
What is the cheapest month to book a flight from Maryland to Ontario?
Currently, February is the cheapest month in which you can book a flight from Maryland to Ontario (average of $371). Flying from Maryland to Ontario in December is currently the most expensive (average of $564). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MD to ONT?
Find hourly flight availability from Maryland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 28% on flights from Maryland to Ontario by exploring options for tickets in the morning.
How much does it cost to fly round-trip from Maryland to Ontario?
Airfare is below average for this route at the moment.
Maryland to Ontario flights typically cost between $352 and $472 in December.The cheapest round-trip price found within the last 5 days was $161 on Frontier (Dec 8-Dec 15).
How far ahead should I book a flight from Maryland to Ontario?
Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from Maryland to Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Maryland to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Alternative routes for Maryland to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maryland to Ontario by cabin class
Find flights from Maryland to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Maryland and Ontario flights
Browse other Maryland and Ontario flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Maryland to Ontario flights
Consider these flights traveling from Maryland to Ontario.
Top 5 airlines flying from Maryland to Ontario
Discover the top 5 airlines that operate flights from Maryland to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$192 | Average$450 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$358 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$344 | Average$484 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$352 | Average$488 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$466 | Average$630 | FlexibilityNo cancel fee | On-time71% |