Cheap flights from Ontario (ONT) to Maryland from $59

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — BWI
Apr 2 — Apr 91

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

To save up to 57% on this flight, we recommend booking at least 34 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Maryland from $379 1-2 weeks out and tickets from $625 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ontario to Maryland?

Flights from Ontario to Maryland lean towards being more expensive in June. Prices are generally better when you fly from Ontario to Maryland in February, with the cheapest ticket starting at $100.

When is the cheapest time to fly from Ontario to Maryland (ONT - MD)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Maryland as you normally would.

Cheap American Airlines flights from Ontario to Maryland

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Maryland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,248,624 searches. Data last updated March 28, 2024.
Consider these cheap American Airlines flights we've found departing from Ontario to Maryland. It's recommended that users confirm their flight details before booking.
Fri 4/2610:20 pmONT - IAD
1 stop7h 43mAmerican Airlines
Tue 4/303:38 pmIAD - ONT
1 stop8h 04mAmerican Airlines
Deal found 3/27$277
Tue 4/1610:20 pmONT - IAD
1 stop10h 04mAmerican Airlines
Sat 4/205:14 pmIAD - ONT
1 stop9h 43mAmerican Airlines
Deal found 3/27$278
Tue 4/1610:20 pmONT - IAD
1 stop10h 04mAmerican Airlines
Sat 4/202:12 pmIAD - ONT
2 stops10h 44mAmerican Airlines
Deal found 3/27$282
Wed 4/246:00 amONT - IAD
1 stop7h 24mAmerican Airlines
Wed 5/12:12 pmIAD - ONT
2 stops10h 44mAmerican Airlines
Deal found 3/27$283
Wed 4/2410:00 amONT - IAD
2 stops10h 23mAmerican Airlines
Wed 5/13:38 pmIAD - ONT
2 stops11h 19mAmerican Airlines
Deal found 3/27$288
Wed 5/112:53 pmONT - IAD
1 stop7h 30mAmerican Airlines
Thu 5/911:48 amIAD - ONT
1 stop10h 11mAmerican Airlines
Deal found 3/27$402
Thu 4/410:46 amONT - IAD
1 stop9h 37mAmerican Airlines
Tue 4/166:43 amIAD - ONT
1 stop8h 15mAmerican Airlines
Deal found 3/27$407
Sun 5/262:50 pmONT - IAD
1 stop6h 49mAmerican Airlines
Sat 6/16:50 amIAD - ONT
1 stop8h 02mAmerican Airlines
Deal found 3/27$453
Fri 4/56:25 amONT - IAD
2 stops10h 17mAmerican Airlines
Mon 4/155:14 pmIAD - ONT
1 stop9h 43mAmerican Airlines
Deal found 3/27$461

Cheap United Airlines flights from Ontario to Maryland

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Maryland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,248,624 searches. Data last updated March 28, 2024.
Browse through some of the cheapest United Airlines flights traveling from Ontario to Maryland. Deals frequently update to provide users with more options.
Wed 4/106:00 amONT - IAD
1 stop10h 08mUnited Airlines
Sat 4/134:10 pmIAD - ONT
1 stop7h 30mUnited Airlines
Deal found 3/27$380
Tue 5/1410:42 amONT - IAD
1 stop7h 21mUnited Airlines
Tue 5/287:00 amIAD - ONT
1 stop8h 45mUnited Airlines
Deal found 3/27$419
Thu 4/116:00 amONT - IAD
1 stop7h 25mUnited Airlines
Tue 4/164:10 pmIAD - ONT
1 stop7h 30mUnited Airlines
Deal found 3/27$429
Thu 4/116:00 amONT - IAD
1 stop7h 25mUnited Airlines
Mon 4/1510:00 pmIAD - ONT
1 stop17h 40mUnited Airlines
Deal found 3/27$493
Wed 4/35:15 amONT - IAD
2 stops15h 44mUnited Airlines
Wed 4/108:15 amIAD - ONT
1 stop7h 25mUnited Airlines
Deal found 3/27$618
Wed 4/35:15 amONT - IAD
2 stops12h 46mUnited Airlines
Tue 4/98:15 amIAD - ONT
1 stop7h 25mUnited Airlines
Deal found 3/27$655
Wed 4/36:00 amONT - IAD
1 stop10h 08mUnited Airlines
Wed 4/105:29 pmIAD - ONT
2 stops22h 11mUnited Airlines
Deal found 3/27$665
Fri 4/51:36 pmONT - BWI
1 stop6h 46mUnited Airlines
Fri 4/265:49 amBWI - ONT
1 stop20h 15mUnited Airlines
Deal found 3/26$704
Thu 4/41:36 pmONT - IAD
1 stop6h 38mUnited Airlines
Tue 4/1610:10 pmIAD - ONT
3 stops25h 30mUnited Airlines
Deal found 3/27$737

Cheap Ontario to Maryland flights in March & April 2024

Find cheap flight options from Ontario to Maryland specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,248,624 searches. Prices were last updated on March 28, 2024.
Scroll through some of the best deals on flights from Ontario to Maryland in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 4/2412:59 amONT - DCA
1 stop8h 01mFrontier
Sat 4/276:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$118
Thu 4/1812:56 amONT - DCA
1 stop18h 03mFrontier
Sat 4/276:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$119
Tue 4/2312:59 amONT - DCA
1 stop18h 00mFrontier
Sat 4/276:51 pmDCA - ONT
1 stop14h 40mFrontier
Deal found 3/27$120
Thu 4/2512:56 amONT - DCA
1 stop14h 05mFrontier
Sat 4/276:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$122
Thu 4/1812:56 amONT - DCA
1 stop18h 03mFrontier
Mon 4/227:00 amDCA - ONT
1 stop19h 59mFrontier
Deal found 3/27$123
Thu 4/1812:56 amONT - DCA
1 stop18h 03mFrontier
Sat 5/46:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$124
Mon 4/2212:59 amONT - DCA
1 stop8h 01mFrontier
Wed 4/246:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$127
Wed 4/247:26 amONT - DCA
1 stop11h 33mFrontier
Wed 5/16:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$128
Wed 4/247:26 amONT - DCA
1 stop25h 34mFrontier
Mon 4/297:00 amDCA - ONT
1 stop26h 26mFrontier
Deal found 3/26$129

Ontario to Maryland 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Maryland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,248,624 searches. Data last updated March 28, 2024.
Scroll through some of the best deals on flights from Ontario to Maryland in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 4/2412:59 amONT - DCA
1 stop8h 01mFrontier
Sat 4/276:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$118
Thu 4/1812:56 amONT - DCA
1 stop18h 03mFrontier
Sat 4/276:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$119
Tue 4/2312:59 amONT - DCA
1 stop18h 00mFrontier
Sat 4/276:51 pmDCA - ONT
1 stop14h 40mFrontier
Deal found 3/27$120
Thu 4/2512:56 amONT - DCA
1 stop14h 05mFrontier
Sat 4/276:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$122
Thu 4/1812:56 amONT - DCA
1 stop18h 03mFrontier
Mon 4/227:00 amDCA - ONT
1 stop19h 59mFrontier
Deal found 3/27$123
Thu 4/1812:56 amONT - DCA
1 stop18h 03mFrontier
Sat 5/46:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$124
Mon 4/2212:59 amONT - DCA
1 stop8h 01mFrontier
Wed 4/246:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$127
Wed 4/247:26 amONT - DCA
1 stop11h 33mFrontier
Wed 5/16:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$128
Wed 4/247:26 amONT - DCA
1 stop25h 34mFrontier
Mon 4/297:00 amDCA - ONT
1 stop26h 26mFrontier
Deal found 3/26$129

Ontario to Maryland flights leaving soon

Find last-minute flight options from Ontario to Maryland for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,248,624 searches. Data last updated March 28, 2024.
Book one of these great deals on flights from Ontario to Maryland. It's wise to confirm all flight details are correct before booking.
Thu 4/47:27 amONT - DCA
1 stop11h 32mFrontier
Tue 4/166:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/27$198
Wed 4/312:59 amONT - DCA
1 stop18h 00mFrontier
Thu 4/117:00 amDCA - ONT
1 stop19h 56mFrontier
Deal found 3/27$201
Thu 4/47:27 amONT - DCA
1 stop11h 32mFrontier
Thu 4/117:00 amDCA - ONT
1 stop19h 56mFrontier
Deal found 3/27$207
Wed 4/312:59 amONT - DCA
1 stop18h 00mFrontier
Tue 4/167:00 amDCA - ONT
1 stop19h 59mFrontier
Deal found 3/27$208
Wed 4/312:59 amONT - DCA
1 stop18h 00mFrontier
Tue 4/97:00 amDCA - ONT
1 stop20h 09mFrontier
Deal found 3/27$213
Thu 4/47:27 amONT - DCA
1 stop11h 32mFrontier
Wed 4/1012:50 pmDCA - ONT
1 stop14h 09mFrontier
Deal found 3/27$228
Fri 4/512:59 amONT - DCA
1 stop8h 57mFrontier
Sat 4/136:51 pmDCA - ONT
1 stop8h 08mFrontier
Deal found 3/28$238
Tue 4/212:59 amONT - DCA
1 stop8h 10mFrontier
Wed 4/1012:50 pmDCA - ONT
1 stop14h 09mFrontier
Deal found 3/27$239
Sun 4/712:59 amONT - DCA
1 stop18h 00mFrontier
Thu 4/117:00 amDCA - ONT
1 stop19h 56mFrontier
Deal found 3/27$243

One-way flights to Maryland from Ontario

Search for one-way flight options from Ontario to Maryland. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,248,624 searches. Data last updated March 28, 2024.
Users traveling one-way from Ontario to Maryland can select one of these great deals. For those needing a return trip from Ontario, there is a search form available above.
Fri 4/2612:55 amONT - DCA
1 stop8h 05mFrontier
Deal found 3/27$59
Fri 4/2612:55 amONT - DCA
1 stop8h 05mFrontier
Deal found 3/28$60
Sat 4/277:26 amONT - DCA
1 stop11h 33mFrontier
Deal found 3/27$65
Fri 4/2612:55 amONT - BWI
1 stop8h 05mFrontier
Deal found 3/27$69
Tue 4/3012:59 amONT - DCA
1 stop8h 01mFrontier
Deal found 3/27$69
Tue 4/3012:59 amONT - BWI
2 stops11h 17mFrontier
Deal found 3/27$74
Mon 5/2012:49 amONT - DCA
1 stop8h 20mFrontier
Deal found 3/27$74
Thu 4/256:01 pmONT - BWI
1 stop13h 10mFrontier
Deal found 3/27$75
Tue 4/1612:59 amONT - BWI
2 stops11h 17mFrontier
Deal found 3/27$79

Find flights from Ontario to Maryland within your budget

Customize your flight search to find flights from Ontario to Maryland 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 3,248,624 searches. Data last updated March 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$118 - $280

Route

Depart

Return

Price

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Wed 4/24

1 stop8h 01m

Washington, D.C. Reagan-National

Sat 4/27

1 stop8h 08m

$118

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Thu 4/18

1 stop18h 03m

Washington, D.C. Reagan-National

Sat 4/27

1 stop8h 08m

$119

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Tue 4/23

1 stop18h 00m

Washington, D.C. Reagan-National

Sat 4/27

1 stop14h 40m

$120

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Thu 4/25

1 stop14h 05m

Washington, D.C. Reagan-National

Sat 4/27

1 stop8h 08m

$122

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Thu 4/18

1 stop18h 03m

Washington, D.C. Reagan-National

Mon 4/22

1 stop19h 59m

$123

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Thu 4/18

1 stop18h 03m

Washington, D.C. Reagan-National

Sat 5/4

1 stop8h 08m

$124

OntarioBaltimore/Washington

ONT - BWI

ONTBWI

Ontario

Mon 5/6

2 stops12h 13m

Baltimore/Washington

Tue 5/14

1 stop18h 19m

$187

OntarioWashington, D.C. Dulles Intl

ONT - IAD

ONTIAD

Ontario

Fri 4/26

1 stop7h 43m

Washington, D.C. Dulles Intl

Tue 4/30

1 stop8h 04m

$277

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Fri 9/20

1 stop7h 00m

Washington, D.C. Reagan-National

Mon 9/23

1 stop7h 15m

$280

Flights are sorted by cheapest first

Deals found on 3/27

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated March 28, 2024.
Peruse reviews from past customers who have flown with American Airlines, United Airlines and Alaska Airlines from Ontario to Maryland to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,344 reviews

Comfort

8.1

Crew

8.8

Boarding

8.3

Entertainment

7.9

Overall

8.2

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Southwest
8.2
Very good
6,344 reviews
Southwest
8.2
Very good
6,344 reviews

Comfort

8.1

Crew

8.8

Boarding

8.3

Entertainment

7.9

Overall

8.2

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very good
9,157 reviews
Southwest
8.2
Very good
6,344 reviews

Comfort

8.1

Crew

8.8

Boarding

8.3

Entertainment

7.9

Overall

8.2

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very good
11,437 reviews
Southwest
8.2
Very good
6,344 reviews

Comfort

8.1

Crew

8.8

Boarding

8.3

Entertainment

7.9

Overall

8.2

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

7.6
Good
4,113 reviews
Southwest
8.2
Very good
6,344 reviews

Comfort

8.1

Crew

8.8

Boarding

8.3

Entertainment

7.9

Overall

8.2

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

7.4
Good
11,509 reviews
Southwest
8.2
Very good
6,344 reviews

Comfort

8.1

Crew

8.8

Boarding

8.3

Entertainment

7.9

Overall

8.2

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Ontario to Maryland?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Maryland from Ontario.

  • Can I find flights from Ontario to Maryland for under $200 on Cheapflights?

    Yes, there are multiple flights from Ontario to Maryland for under $200. The cheapest flight booked recently is on Frontier for just $118, but on average you can expect to pay $130.

  • Are there last-minute flights available from Ontario to Maryland for under $200?

    There are currently 20+ open flights from Ontario to Maryland within the next 7 days for less than $200.

  • What are the most popular routes from Ontario to Maryland?

  • What are the most popular airlines that fly from Ontario to Maryland?

  • What does ONT to BWI mean?

    ONT stands for Ontario Airport, while BWI stands for Baltimore/Washington Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Ready for more IATA code knowledge? These are related airports for your current travel destination: Salisbury-Ocean City Airport (SBY), Hagerstown Regional Airport (HGR), Frederick Airport (FDK), Fort Meade Tipton Airport (FME).

  • Can I find deals for flights from Ontario to Maryland that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Maryland with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Maryland that include hotel bookings?

    Yes. In addition to deals on Ontario to Maryland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Maryland?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from Ontario to Maryland?

    Yes. Cheapflights offers flight deals from Ontario to Maryland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Maryland that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the Ontario to Maryland flight deals updated?

    The Ontario to Maryland flight deals you see on this page were last updated on 3/27.

See more FAQs

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Alternative routes for Ontario to Maryland
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to Maryland

Discover the top 5 airlines that operate flights from Ontario to Maryland. 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 3,248,624 searches. Data last updated March 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$123Average$249FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$148Average$289FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$302Average$582FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$326Average$548FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$336Average$572FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Ontario to Maryland by cabin class

Find flights from Ontario to Maryland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Maryland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Maryland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Maryland?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Maryland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Maryland with no change fees?

Need flexible booking options for your flight to Maryland from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Maryland become cheaper?

Of course! You can now track prices for flights from Ontario to Maryland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Can I find deals on last-minute flights from Ontario to Maryland?

Yes, you can often find last-minute deals on Ontario to Maryland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from Ontario to Maryland?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Ontario to Maryland that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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