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Cheap flights from Ontario to Baltimore from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Baltimore departing on 3/6. 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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Find the cheapest flights from Ontario to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Washington, D.C. 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 Ontario to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Ontario to Washington, D.C.? 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 Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Washington, D.C.

Find recent round-trip train or bus tickets from Ontario to Washington, D.C..

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
12:59 am - 11:30 amONT-BWI
7h 31m1 stop
5:18 pm - 11:59 pmBWI-ONT
9h 41m1 stop
$263Frontier
Find Deal
Sun, Mar 16 - Wed, Apr 2
12:59 am - 11:30 amONT-BWI
7h 31m1 stop
5:18 pm - 11:59 pmBWI-ONT
9h 41m1 stop
$295Frontier
Find Deal
Thu, Mar 13 - Wed, Apr 2
1:21 pm - 11:34 pmONT-BWI
7h 13m1 stop
7:15 am - 11:50 amBWI-ONT
7h 35m1 stop
$351Delta
Find Deal
Wed, Jan 15 - Sat, Jan 18
1:00 pm - 12:37 amONT-BWI
8h 37m1 stop
12:31 pm - 11:25 pmBWI-ONT
13h 54m2 stops
$356Delta
Find Deal
Wed, Jan 15 - Sat, Jan 18
10:00 am - 12:18 amONT-BWI
11h 18m2 stops
7:30 am - 7:31 pmBWI-ONT
15h 01m2 stops
$410American Airlines
Find Deal
Wed, Jan 15 - Sat, Jan 18
6:15 am - 6:10 pmONT-BWI
8h 55m2 stops
9:00 am - 3:20 pmBWI-ONT
9h 20m2 stops
$417Southwest
Find Deal
Wed, Jan 15 - Fri, Jan 17
10:50 pm - 10:36 amONT-BWI
8h 46m1 stop
4:53 pm - 11:54 pmBWI-ONT
10h 01m2 stops
$427American Airlines
Find Deal
Mon, Mar 3 - Mon, Mar 10
1:42 pm - 11:28 pmONT-BWI
6h 46m1 stop
4:02 pm - 8:52 pmBWI-ONT
7h 50m1 stop
$451United Airlines
Find Deal
Tue, Dec 31 - Wed, Feb 19
8:35 am - 7:15 pmONT-BWI
7h 40m2 stops
10:45 am - 5:30 pmBWI-ONT
9h 45m2 stops
$468Southwest
Find Deal
Thu, Mar 13 - Thu, Mar 27
1:43 pm - 11:09 pmONT-BWI
6h 26m1 stop
4:10 pm - 8:51 pmBWI-ONT
7h 41m1 stop
$481United Airlines
Find Deal
Tue, Jan 7 - Sat, Jan 11
4:39 pm - 11:30 amONT-BWI
15h 51m1 stop
$95Frontier
Find Deal
Thu, Mar 6
8:11 pm - 5:43 pmONT-BWI
18h 32m2 stops
$101Frontier
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Sun, Jan 26
8:59 pm - 5:43 pmONT-BWI
17h 44m2 stops
$102Frontier
Find Deal
Sun, Feb 2
1:21 pm - 11:34 pmONT-BWI
7h 13m1 stop
$173Delta
Find Deal
Wed, Jan 15
1:21 pm - 11:32 pmONT-BWI
7h 11m1 stop
$178Delta
Find Deal
Sat, Feb 15
6:15 am - 6:10 pmONT-BWI
8h 55m2 stops
$204Southwest
Find Deal
Wed, Jan 15
7:30 pm - 10:36 amONT-BWI
12h 06m2 stops
$219American Airlines
Find Deal
Mon, Feb 17
1:42 pm - 11:28 pmONT-BWI
6h 46m1 stop
$228United Airlines
Find Deal
Tue, Dec 31
5:05 am - 3:02 pmONT-BWI
6h 57m1 stop
$264United Airlines
Find Deal
Fri, Feb 14
8:05 pm - 12:30 pmONT-BWI
13h 25m2 stops
$275Southwest
Find Deal
Mon, Jan 20
12:59 am - 1:26 pmONT-BWI
9h 27m1 stop
2:16 pm - 11:59 pmBWI-ONT
12h 43m1 stop
$549Frontier
Find Deal
Sun, Dec 22 - Fri, Jan 3
5:34 pm - 1:26 pmONT-BWI
16h 52m1 stop
2:16 pm - 11:59 pmBWI-ONT
12h 43m1 stop
$593Frontier
Find Deal
Sun, Dec 22 - Mon, Jan 6
6:52 am - 5:45 pmONT-BWI
7h 53m1 stop
6:00 am - 10:46 amBWI-ONT
7h 46m1 stop
$771Delta
Find Deal
Mon, Dec 23 - Wed, Jan 1
6:30 pm - 5:00 amONT-BWI
7h 30m1 stop
4:10 pm - 8:51 pmBWI-ONT
7h 41m1 stop
$797United Airlines
Find Deal
Fri, Dec 20 - Sun, Jan 12
5:05 am - 3:05 pmONT-BWI
7h 00m1 stop
3:55 pm - 9:57 pmBWI-ONT
9h 02m1 stop
$801United Airlines
Find Deal
Thu, Dec 19 - Sun, Jan 12
12:59 am - 12:45 pmONT-BWI
8h 46m2 stops
7:00 pm - 11:57 pmBWI-ONT
7h 57m1 stop
$921American Airlines
Find Deal
Sat, Dec 21 - Sat, Jan 4
12:59 am - 12:45 pmONT-BWI
8h 46m2 stops
7:30 am - 6:25 pmBWI-ONT
13h 55m2 stops
$926American Airlines
Find Deal
Sat, Dec 21 - Sat, Jan 4
5:05 am - 3:10 pmONT-BWI
7h 05m1 stop
5:20 pm - 12:15 amBWI-ONT
9h 55m1 stop
$1,008Southwest
Find Deal
Sun, Dec 22 - Sat, Dec 28
6:20 am - 6:15 pmONT-BWI
8h 55m2 stops
6:35 pm - 12:15 amBWI-ONT
8h 40m1 stop
$1,013Southwest
Find Deal
Sun, Dec 22 - Sat, Dec 28
4:58 pm - 5:47 amONT-BWI
9h 49m1 stop
7:15 am - 12:26 pmBWI-ONT
8h 11m1 stop
$1,056Delta
Find Deal
Thu, Dec 19 - Wed, Jan 8

Delta flights from Ontario to Baltimore

Our best Delta deals on Ontario to Baltimore flight tickets
Delta
Dec 24
ONT12:55 pmOntario
8h 43m
1 stop
BWI12:38 amBaltimore/Washington
Jan 7
BWI7:15 amBaltimore/Washington
8h 11m
1 stop
ONT12:26 pmOntario
Delta
Jan 15
ONT1:00 pmOntario
8h 37m
1 stop
BWI12:37 amBaltimore/Washington
Jan 18
BWI12:31 pmBaltimore/Washington
13h 54m
2 stops
ONT11:25 pmOntario
Delta
Feb 15
ONT1:21 pmOntario
7h 11m
1 stop
BWI11:32 pmBaltimore/Washington
Feb 18
BWI7:15 amBaltimore/Washington
8h 09m
1 stop
ONT12:24 pmOntario

American Airlines flights from Ontario to Baltimore

Our best American Airlines deals on Ontario to Baltimore flight tickets
American Airlines
Jan 15
ONT10:00 amOntario
11h 18m
2 stops
BWI12:18 amBaltimore/Washington
Jan 18
BWI7:30 amBaltimore/Washington
15h 01m
2 stops
ONT7:31 pmOntario
American Airlines
Mar 3
ONT10:50 pmOntario
8h 46m
1 stop
BWI10:36 amBaltimore/Washington
Mar 10
BWI4:53 pmBaltimore/Washington
10h 01m
2 stops
ONT11:54 pmOntario
American Airlines
Mar 3
ONT10:50 pmOntario
8h 46m
1 stop
BWI10:36 amBaltimore/Washington
Mar 10
BWI4:53 pmBaltimore/Washington
10h 01m
2 stops
ONT11:54 pmOntario

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ontario to Baltimore

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 Baltimore?

If you’re not able to fly to Baltimore in January, then September is your next best option. Flight prices from Ontario to Baltimore during September average around $259.

What is the cheapest day to depart on your flight to Baltimore?

The cheapest day to depart from Ontario to Baltimore is on a Tuesday. Travelers who choose to depart for Baltimore on a Tuesday will often find tickets for as low as $298. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $370. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

What is the cheapest time of day to depart on your flight to Baltimore?

Flying to Baltimore from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $257 when looking at flights departing in the afternoon. Flights in the morning are often more expensive with an average ticket price of $326.

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

The best time to book a flight to Baltimore from Ontario is 21 days out, which is when prices tend to be around $435. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $260.

Can stopping save me money on Ontario to Baltimore flights?

You could potentially save up to 5% on your flight if you consider stops on a Ontario to Baltimore flight.

How have Ontario to Baltimore flight prices changed over time?

As of December 2024, prices for Ontario to Baltimore flights are approximately 48% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Baltimore (ONT to BWI) flight deals and tips

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

Best Price Found

$95

Fastest flight time

6h 24m

Direct flights

None

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from Ontario in the past 72 hours is $95. The best round-trip flight deal from Ontario to Baltimore found on momondo in the last 72 hours is $263.
The fastest flight from Ontario to Baltimore takes 6h 24m
There are no direct flights from Ontario to Baltimore. Popular non-direct route for this connection is Ontario Airport - Baltimore/Washington Airport.
There is 1 airport near Baltimore: Baltimore/Washington (BWI)

  • How far is Ontario to Baltimore/Washington by plane?

    The straight-line distance from Ontario to Baltimore/Washington is 2281.3 mi. In terms of flight time, this usually takes a little over 6h 24m.

  • When did momondo last update prices for flights from Ontario Airport to Baltimore/Washington Airport?

    Prices for flights from Ontario Airport to Baltimore/Washington Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from Ontario Airport to Baltimore/Washington Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The required travel and health documents for your Baltimore/Washington Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Ontario to Baltimore?


Best airlines flying from Ontario to Baltimore

Compare and see reviews for airlines that fly from Ontario to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $148Free CancellationRating
6.1
3,479 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $151Free CancellationRating
6.3
8,119 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
8.0
8,604 reviews
Search Delta flights
SouthwestPriceFrom $301Free CancellationRating
8.1
4,848 reviews
Search Southwest flights
American AirlinesPriceFrom $316Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Baltimore from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Baltimore quick and easy, saving you time and money.

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

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

How can momondo help me find flights from Ontario to Baltimore?

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 Ontario to Baltimore.

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

Yes. momondo can track prices for Ontario to Baltimore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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