Cheap flights from Baltimore to Ontario

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Cheap Baltimore - Ontario flight offers

Find cheap flight tickets and last-minute flight deals from Baltimore to Ontario

Frontier Airlines
Thu, 10/22 (BWI) Baltimore -> (ONT) Ontario
Frontier Airlines
Mon, 10/26 (ONT) Ontario -> (BWI) Baltimore
Price found Yesterday
from $179
Frontier Airlines
Wed, 10/21 (BWI) Baltimore -> (ONT) Ontario
Frontier Airlines
Sun, 10/25 (ONT) Ontario -> (BWI) Baltimore
Price found Yesterday
from $198
Southwest Airlines
Wed, 10/21 (BWI) Baltimore -> (ONT) Ontario
Southwest Airlines
Sat, 10/24 (ONT) Ontario -> (BWI) Baltimore
Price found Yesterday
from $203
Frontier Airlines
Thu, 10/22 (BWI) Baltimore -> (ONT) Ontario
Frontier Airlines
Sun, 10/25 (ONT) Ontario -> (BWI) Baltimore
Price found Yesterday
from $226
Southwest Airlines
Thu, 10/22 (BWI) Baltimore -> (ONT) Ontario
Southwest Airlines
Sat, 10/24 (ONT) Ontario -> (BWI) Baltimore
Price found Yesterday
from $231
Frontier Airlines
Wed, 10/21 (BWI) Baltimore -> (ONT) Ontario
Frontier Airlines
Mon, 10/26 (ONT) Ontario -> (BWI) Baltimore
Price found Yesterday
from $255
Southwest Airlines
Fri, 10/23 (BWI) Baltimore -> (ONT) Ontario
Southwest Airlines
Sun, 10/25 (ONT) Ontario -> (BWI) Baltimore
Price found Yesterday
from $278
Southwest Airlines
Fri, 10/23 (BWI) Baltimore -> (ONT) Ontario
Southwest Airlines
Sat, 10/24 (ONT) Ontario -> (BWI) Baltimore
Price found Yesterday
from $283

Info about flights from Baltimore to Ontario

Some useful info about flights from Baltimore to Ontario to help you plan your next trip

Average flight duration 5h 38m
Cheapest month November
Average number of flights per week 2
First flight time 05:00
Last flight time 22:50
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

Top airlines on the route Baltimore - Ontario

Airlines providing flights to Ontario from Baltimore

American Airlines
American Airlines
DELTA
DELTA
Frontier Airlines
Frontier Airlines
United
United

Is it worth flying from Baltimore to Ontario?

It depends. Prices for flights from Baltimore to Ontario fluctuate based on several factors.

Pick a travel date to see today’s available fares.

Travel agencies and airlines sometimes offer promotional prices on certain routes — it’s worth checking regularly. Also, many travelers look for weekend flights, so booking in advance is recommended.

Best airport options between Baltimore and Ontario

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

  • Airports in Baltimore: Baltimore is served by 3 airports - Dulles international, Ronald Reagan, Washington International.
  • Airports in Ontario: Ontario is the sole airport currently available.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Explore flights from Baltimore to Ontario your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Delta, United, American, and more.

Other popular destinations

Also interested in United States? Check out: Atlanta, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.
Frequently Asked Questions

Frequently asked questions about flights from Baltimore to Ontario.

How much does an airline ticket from Baltimore to Ontario cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Baltimore to Ontario.

How far is Baltimore from Ontario?

Baltimore is about 2278 mi from Ontario.

What are the airports in Ontario?

Ontario has one airport: Ontario.

What are the airports in Baltimore?

Baltimore has 3 airports: Dulles international, Ronald Reagan, Washington International.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Atlanta, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Baltimore to Ontario?

The best time to book a flight from Baltimore to Ontario is 1 month in advance, while the worst time is 43 weeks in advance.

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

The cheapest month to fly from Baltimore to Ontario is November.

What is the most expensive month to fly from Baltimore to Ontario?

The most expensive month to fly from Baltimore to Ontario is July.

What is the best day of the week to fly from Baltimore to Ontario?

For flights from Baltimore to Ontario Saturday is on average the cheapest day to fly, while Saturday is the most expensive day to fly.