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Cheap flights from Ontario to Portland, Maine from $149

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, Maine departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Portland.
American Airlines Logo
12:59 am - 5:11 pmONT-PWM
13h 12m2 stops
American Airlines Logo
6:18 pm - 11:59 pmPWM-ONT
8h 41m1 stop
$332American Airlines
Find Deal
Fri, Jun 6 - Sat, Jun 14
Delta Logo
12:18 pm - 11:54 pmONT-PWM
8h 36m1 stop
Delta Logo
5:30 am - 11:08 amPWM-ONT
8h 38m1 stop
$345Delta
Find Deal
Sun, May 25 - Tue, May 27
JetBlue Logo
10:59 pm - 1:20 pmONT-PWM
11h 21m1 stop
JetBlue Logo
3:35 pm - 9:11 pmPWM-ONT
8h 36m1 stop
$381JetBlue
Find Deal
Fri, May 30 - Tue, Jun 3
JetBlue Logo
11:45 pm - 1:23 pmONT-PWM
10h 38m1 stop
JetBlue Logo
2:20 pm - 10:30 pmPWM-ONT
11h 10m1 stop
$413JetBlue
Find Deal
Fri, Aug 15 - Sat, Aug 23
United Airlines Logo
7:00 am - 5:37 pmONT-PWM
7h 37m1 stop
United Airlines Logo
4:58 pm - 10:26 pmPWM-ONT
8h 28m1 stop
$427United Airlines
Find Deal
Sat, Aug 16 - Sat, Aug 23
United Airlines Logo
7:00 am - 5:37 pmONT-PWM
7h 37m1 stop
United Airlines Logo
6:00 am - 5:42 pmPWM-ONT
14h 42m2 stops
$432United Airlines
Find Deal
Sat, Aug 16 - Sat, Aug 23
Southwest Logo
12:45 pm - 11:10 pmONT-PWM
7h 25m1 stop
Southwest Logo
5:50 am - 11:35 amPWM-ONT
8h 45m1 stop
$454Southwest
Find Deal
Thu, Aug 7 - Mon, Aug 11
Southwest Logo
12:45 pm - 11:10 pmONT-PWM
7h 25m1 stop
Southwest Logo
2:00 pm - 10:45 pmPWM-ONT
11h 45m2 stops
$483Southwest
Find Deal
Thu, Aug 7 - Mon, Aug 11
Alaska Airlines Logo
6:00 am - 8:02 pmONT-PWM
11h 02m2 stops
Alaska Airlines Logo
12:29 pm - 12:13 amPWM-ONT
14h 44m2 stops
$1,549Alaska Airlines
Find Deal
Fri, Aug 8 - Mon, Aug 11
Alaska Airlines Logo
6:00 am - 8:02 pmONT-PWM
11h 02m2 stops
Alaska Airlines Logo
12:29 pm - 12:13 amPWM-ONT
14h 44m2 stops
$1,569Alaska Airlines
Find Deal
Thu, Aug 7 - Sun, Aug 10

American Airlines flights from Ontario to Portland, Maine

Our best American Airlines deals on Ontario to Portland, Maine flight tickets
American Airlines
Jun 6
ONT12:59 amOntario
13h 12m
2 stops
PWM5:11 pmPortland
Jun 14
PWM6:18 pmPortland
8h 41m
1 stop
ONT11:59 pmOntario
American Airlines
Jun 30
ONT12:59 amOntario
7h 50m
1 stop
PWM11:49 amPortland
Jul 5
PWM5:58 amPortland
13h 16m
2 stops
ONT4:14 pmOntario
American Airlines
Jun 6
ONT12:59 amOntario
13h 12m
2 stops
PWM5:11 pmPortland
Jun 14
PWM2:43 pmPortland
9h 30m
1 stop
ONT9:13 pmOntario

Delta flights from Ontario to Portland, Maine

Our best Delta deals on Ontario to Portland, Maine flight tickets
Delta
May 25
ONT12:18 pmOntario
8h 36m
1 stop
PWM11:54 pmPortland
May 27
PWM5:30 amPortland
8h 38m
1 stop
ONT11:08 amOntario
Delta
May 25
ONT12:18 pmOntario
8h 36m
1 stop
PWM11:54 pmPortland
May 28
PWM5:30 amPortland
8h 38m
1 stop
ONT11:08 amOntario
Delta
May 24
ONT12:18 pmOntario
8h 41m
1 stop
PWM11:59 pmPortland
May 27
PWM5:30 amPortland
8h 38m
1 stop
ONT11:08 amOntario

See travel insights to Portland from

How to get the cheapest flight ticket from 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 Ontario is in January. Flight prices, which tend to average around $246, 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 January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $392.

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 Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $432. 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 Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $563.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the evening is the cheapest time of day to fly from Ontario to Portland, Maine when you can find flight prices for as low as $468. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $510. Of course, these prices can vary depending on the time of year and what airport you fly to.

How have Ontario to Portland, Maine flight prices changed over time?


When to book flights from Ontario to Portland, Maine

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

Cheap Ontario to Portland, Maine (ONT to PWM) flight deals and tips

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

Best Price Found

$149

Fastest flight time

6h 53m

Direct flights

None

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from Ontario in the past 72 hours is $149. The best round-trip flight deal from Ontario to Portland, Maine found on momondo in the last 72 hours is $332.
The fastest flight from Ontario to Portland, Maine takes 6h 53m
There are no direct flights from Ontario to Portland, Maine. Popular non-direct route for this connection is Ontario Airport - Portland Airport.
There is 1 airport near Portland, Maine: Portland (PWM)

  • How far is Ontario to Portland by plane?

    Ontario and Portland are 2595.5 mi apart from one another. A reasonable flight in good conditions will take 6h 53m.

  • When did momondo last update prices for flights from Ontario Airport to Portland Airport?

    Prices for flights from Ontario Airport to Portland Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Portland Airport?

  • How old do you have to be to fly from Ontario Airport to Portland 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 Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Portland, Maine?


Best airlines flying from Ontario to Portland, Maine

Compare and see reviews for airlines that fly from Ontario to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $259Free CancellationRating
7.3
2,920 reviews
Search JetBlue flights
American AirlinesPriceFrom $327Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $353Free CancellationRating
8.0
7,897 reviews
Search Delta flights
United AirlinesPriceFrom $384Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
SouthwestPriceFrom $523Free CancellationRating
8.0
4,276 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Jackson
Boothbay Harbor
Conway
Freeport
Bartlett
Lewiston
Gorham
Brunswick
Auburn
Intervale
Windham
Bath
Falmouth
Oxford
Tamworth
Georgetown

Why use momondo?

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

Finding the right flight to Portland 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 Portland quick and easy, saving you time and money.

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

All flight searches from Ontario to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

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 Portland.

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

Yes. momondo can track prices for Ontario to Portland 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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