Cheap flights from Ontario to Portland from $190
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 Portland departing on 6/15. 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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WestJet flights from Region of Ontario to Portland, Maine
Our best WestJet deals on Region of Ontario to Portland, Maine flight tickets
Delta flights from Region of Ontario to Portland, Maine
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How to get the cheapest flight ticket from Region of Ontario to Portland, Maine
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 Portland, Maine?
The cheapest month to fly to Portland, Maine from Region of Ontario is in August. Flight prices, which tend to average around $282, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $287.
What is the cheapest day to depart on your flight to Portland, Maine?
On average, the least expensive day to fly to Portland, Maine from Region of Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $268. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,023.
What is the cheapest airline that flies from Ontario to Portland?
United Airlines, WestJet, and American Airlines are the most popular carriers operating from Ontario to Portland
What airlines fly to Portland, Maine?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Portland, Maine from Region of Ontario according to our data. Air Canada is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 5 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.
Cheap Region of Ontario to Portland, Maine flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Portland, Maine
When did momondo last update prices for flights from Ontario to Portland Airport?
Prices for flights from Ontario to Portland Airport were last updated today.
How many operators does momondo search for flights from Ontario to Portland Airport?
As of May 2025, there is 1 operator available to choose from for flights from Ontario to Portland Airport.
How old do you have to be to fly from Ontario to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland 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 Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Region of Ontario to Portland, Maine
Compare and see reviews for airlines that fly from Region of Ontario to Portland, Maine with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $395 | Free Cancellation | Rating 7.4 8,696 reviews |
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Portland?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Ontario.
Can I find flights from Ontario to Portland with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Portland from Ontario with this policy.
How can momondo help me find flights from Ontario to Portland?
momondo helps you find the best flight between Ontario and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Ontario to Portland right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Portland from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.