Question 1

Which is the best airline for flights from Ontario to Baltimore, Southwest or Delta?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Ontario to Baltimore are Southwest and Delta. With an average price for the route of $476 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $441 and an overall rating of 7.8.

Question 2

How long does a flight from Ontario to Baltimore take?

Accepted Answer

Direct flights cover the 2,276 miles separating Ontario to Baltimore in about 4h 45m.

Question 3

What is the cheapest flight from Ontario to Baltimore?

Accepted Answer

In the last 5 days, the lowest price for a flight from Ontario to Baltimore was $116 for a one-way ticket and $232 for a round-trip.

Question 4

Do I need a passport to fly between Ontario and Baltimore?

Accepted Answer

No, a passport isn't needed to fly from Ontario to Baltimore. However, local authorities might ask for an official ID.

Question 5

What’s the cheapest day of the week to fly from Ontario to Baltimore?

Accepted Answer

Your flight ticket price will generally be cheaper if you fly to Baltimore on a Wednesday and more expensive on a Saturday. On your return trip to Ontario, you should consider flying back on a Thursday, and avoid Sundays for better deals.

Question 6

What’s the cheapest day of the week to fly from Ontario to Baltimore?

Accepted Answer

Your flight ticket price will generally be cheaper if you fly to Baltimore on a Wednesday and more expensive on a Saturday. On your return trip to Ontario, you should consider flying back on a Thursday, and avoid Sundays for better deals.

Question 7

Which airports will I be using when flying from Ontario to Baltimore?

Accepted Answer

Ontario airport is called Ontario and the only airport in Baltimore is Baltimore/Washington.

Question 8

Which airlines fly non-stop between Ontario and Baltimore?

Accepted Answer

There are 2 airlines that fly nonstop from Ontario to Baltimore. They are JetBlue and Southwest. The cheapest airline for this route is Southwest, with the best round-trip deal found costing $352. On average, the best prices for this route can be found at JetBlue.

Question 9

Which airlines fly non-stop between Ontario and Baltimore?

Accepted Answer

There are 2 airlines that fly nonstop from Ontario to Baltimore. They are JetBlue and Southwest. The cheapest airline for this route is Southwest, with the best round-trip deal found costing $352. On average, the best prices for this route can be found at JetBlue.

Question 10

Which airlines offer Wi-Fi service onboard planes from Ontario to Baltimore?

Accepted Answer

JetBlue, Alaska Airlines, Delta, and Hawaiian Airlines offer inflight Wi-Fi service on the Ontario to Baltimore flight route.

Question 11

Which aircraft models fly most regularly from Ontario to Baltimore?

Accepted Answer

The Airbus A318/A319/A320/A321 is the aircraft model that flies most regularly on the Ontario to Baltimore flight route.

Question 12

Which airline alliances offer flights from Ontario to Baltimore?

Accepted Answer

SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Ontario and Baltimore, with SkyTeam being the most commonly used for this route.

Question 13

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

Accepted Answer

The cheapest month for flights from Ontario to Baltimore is February, where tickets cost $363 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $550 and $526 respectively.

Question 14

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

Accepted Answer

The cheapest month for flights from Ontario to Baltimore is February, where tickets cost $363 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $550 and $526 respectively.

Question 15

How does KAYAK find such low prices on flights from Ontario to Baltimore?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Baltimore.

Question 16

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Baltimore?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

Question 17

What is the Hacker Fare option on flights from Ontario to Baltimore?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to Ontario with another airline. Booking your flights between Ontario and BWI can sometimes prove cheaper using this method.

Question 18

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Baltimore?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 19

What is the cheapest layover airport when flying from Ontario to Baltimore?

Accepted Answer

Flights via Salt Lake City (SLC) offer the most affordable fares, with an average round-trip price of $267.

Question 20

What is the most popular layover airport when flying from Ontario to Baltimore?

Accepted Answer

Houston (IAH) is the top choice – 25% of KAYAK users who clicked on 1-stop flights from Ontario to Baltimore picked an itinerary connecting there.

Question 21

Which layover airport has the quickest connection when flying from Ontario to Baltimore?

Accepted Answer

If you prefer a quick connection, Houston (HOU) often has the shortest layovers from Ontario to Baltimore, with an average of 0h 40m.

Question 22

Which layover airport offers the shortest total travel time from Ontario to Baltimore?

Accepted Answer

Consider flying via Houston (HOU) for the shortest journey. The average one-way travel time for flights connecting there is 6h 30m.

Question 23

Which cabin class options are there for flights between Ontario and Baltimore?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 24

Which cabin class options are there for flights between Ontario and Baltimore?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 25

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

Accepted Answer

To get a below average price on the flight from Ontario to Baltimore, you should book around 4 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Question 26

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

Accepted Answer

To get a below average price on the flight from Ontario to Baltimore, you should book around 4 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Question 27

Can I save money by flying with a layover from Ontario to Baltimore?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $464 on average.

Question 28

Can I save money by flying with a layover from Ontario to Baltimore?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $464 on average.

Question 29

How much is a round-trip flight from Ontario to Baltimore?

Accepted Answer

Flight prices are below average for this route right now.Flights to Baltimore from Ontario usually cost between $362 and $504 in September.
The lowest price found in the past 5 days was $232 on Frontier (Sep 16-Sep 24).

Question 30

What are the most popular airlines flying to Baltimore?

Accepted Answer

The most popular airline among KAYAK users flying to Baltimore is United Airlines, followed by American Airlines and Southwest.

Low season	January
High season	August
Cheapest flight	$116

ONT - BWI

$116 Find Cheap Flights from Ontario to Baltimore - Compare and Save

Everything you should know

Cheap Flights from Ontario to Baltimore (ONT-BWI)

Recent round-trip flight deals from Ontario to Baltimore

Recent one-way flight deals from Ontario to Baltimore

Recent last minute flight deals from Ontario to Baltimore

KAYAK's insights & trends for Ontario to Baltimore flights

How much is a round-trip flight from Ontario to Baltimore?

What’s the cheapest day of the week to fly from Ontario to Baltimore?

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

Can I save money by flying with a layover from Ontario to Baltimore?

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

Which airlines fly non-stop between Ontario and Baltimore?

What is the most popular layover airport when flying from Ontario to Baltimore?

What is the cheapest layover airport when flying from Ontario to Baltimore?

Which layover airport offers the shortest total travel time from Ontario to Baltimore?

Which layover airport has the quickest connection when flying from Ontario to Baltimore?

Which cabin class options are there for flights between Ontario and Baltimore?

How long does a flight from Ontario to Baltimore take?

Expert advice for your flight from Ontario to Baltimore

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FAQs for booking flights from Ontario to Baltimore

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Everything you need to know for your flight from Ontario to Baltimore

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Baltimore

Complete your trip to Baltimore with a hotel stay or car rental

Find direct flights to and from Ontario and Baltimore

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