There are most likely no direct flights on the Ontario — Baltimore route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ontario to Baltimore. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
The cost of a one-way flight from Ontario to Baltimore ranges from $155 (October 2026) to $214 (January 2027). On average, the ticket price is about $194–$428.
A non-stop flight is the most convenient and comfortable way to fly from Ontario to Baltimore, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Flight prices from Ontario to Baltimore are steadily rising: from October 2026 to January 2027, ticket costs increased by 38%. The sooner you book, the better the deal.
The most significant price increase was from October 2026 to January 2027 — up 38%. The best time to fly is October 2026–November 2026, when the average price is $184. In November 2026–January 2027, tickets cost around $214.
Given the rising prices, it's best not to delay your purchase. Flying in October 2026–November 2026 can save you up to 14% compared to the most expensive months.
Price variation across months on this route is 14.4%. Your choice of departure month significantly affects the total flight cost.
There are most likely no direct flights on the Ontario — Baltimore route
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There appear to be no non-stop flights from Ontario to Baltimore at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $198
On the Ontario — Baltimore route, flights are operated only by Frontier Airlines. This simplifies the choice for passengers, as all tickets come from a single trusted carrier. Our service lets you instantly check fares for upcoming dates and find the most advantageous option. The minimum ticket price starts at $198, making this trip affordable for a wide range of travelers. To save even more, we recommend booking early and keeping an eye on promotions — Frontier Airlines regularly offers special deals.
The cheapest flight ticket from Ontario to Baltimore according to data for the last 48 hours costs $198
Often the best time to buy tickets from Ontario to Baltimore is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Ontario to Baltimore can be found flying in these months: October, November, January.
The fastest flights from Ontario to Baltimore start from 3 hours 7 minutes in the air.
The following airlines operate direct flights on the route Ontario — Baltimore:
The cheapest one-way flight from Ontario to Baltimore departs on 01/19/2027, is operated by Frontier Airlines and costs $198
The cheapest roundtrip flight from Ontario to Baltimore departs on 12/11/2026, is operated by Frontier Airlines and costs $289
Fastest flight from Ontario to Baltimore takes 1d 3h 7m
There are no direct flights on this route.
The distance between Ontario and Baltimore is 3673km (2277 miles). The time difference between Ontario and Baltimore is 3h
We couldn't find any special offers for flights from Ontario to Baltimore