Cheap flights from Ontario to Portland (ONT - PWM)

ONT — PWM
Dec 4 — Dec 111

What is the cheapest day to fly round-trip from Ontario to Portland, Maine?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Ontario to Portland, Maine?

To save on the cost of your flight from Ontario to Portland, Maine, book at least 35 days before your planned departure. Booking around this time can save you about 6% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $687 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $703.

What is the cheapest month to fly from Ontario to Portland, Maine?

January is one of the best times of the year to fly to Portland, Maine from Ontario. Prices for January average $568 per person but you can even find prices for as low as $264. The most expensive prices can be found in the month of June. Opting for a January flight can save you 55% on your journey compared to booking in June

When is the cheapest time to fly from Ontario to Portland, Maine (ONT - PWM)?

A simple way to save on the total cost of your ticket is to fly from Ontario to Portland, Maine in the evening. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

Cheap flights from Ontario to Portland in November, December 2022

The best prices found for ONT to PWM flights for November, December
Dec 24 - Jan 4
ONT

Ontario

PWM

Portland

2 stops

12h 59m
PWM

Portland

ONT

Ontario

1 stop

9h 27m
$488

Multiple Airlines

Pick Dates

Deal found 11/26

Dec 25 - Jan 4
ONT

Ontario

PWM

Portland

2 stops

11h 49m
PWM

Portland

ONT

Ontario

1 stop

9h 27m
$541

Multiple Airlines

Pick Dates

Deal found 11/26

Dec 1 - Dec 4
ONT

Ontario

PWM

Portland

2 stops

13h 04m
PWM

Portland

ONT

Ontario

1 stop

9h 20m
$562

Multiple Airlines

Pick Dates

Deal found 11/26

Ontario to Portland 2022 flight deals

Cheap flights to Portland from Ontario found for this year
Dec 24 - Jan 4
ONT

Ontario

PWM

Portland

2 stops

12h 59m
PWM

Portland

ONT

Ontario

1 stop

9h 27m
$488

Multiple Airlines

Pick Dates

Deal found 11/26

Dec 25 - Jan 4
ONT

Ontario

PWM

Portland

2 stops

11h 49m
PWM

Portland

ONT

Ontario

1 stop

9h 27m
$541

Multiple Airlines

Pick Dates

Deal found 11/26

Dec 1 - Dec 4
ONT

Ontario

PWM

Portland

2 stops

13h 04m
PWM

Portland

ONT

Ontario

1 stop

9h 20m
$562

Multiple Airlines

Pick Dates

Deal found 11/26

Cheap Delta flights from Ontario to Portland

Feb 8 - Feb 12
ONT

Ontario

PWM

Portland

1 stop

7h 54m
PWM

Portland

ONT

Ontario

1 stop

8h 53m
$318

Delta

Pick Dates

Deal found 11/28

Jan 11 - Jan 16
ONT

Ontario

PWM

Portland

1 stop

8h 21m
PWM

Portland

ONT

Ontario

1 stop

9h 07m
$398

Delta

Pick Dates

Deal found 11/28

Jan 6 - Jan 9
ONT

Ontario

PWM

Portland

1 stop

7h 40m
PWM

Portland

ONT

Ontario

1 stop

9h 12m
$424

Delta

Pick Dates

Deal found 11/26

Cheap United Airlines flights from Ontario to Portland

Feb 8 - Feb 12
ONT

Ontario

PWM

Portland

2 stops

25h 00m
PWM

Portland

ONT

Ontario

2 stops

31h 26m
$323

United Airlines

Pick Dates

Deal found 11/28

Jan 20 - Jan 30
ONT

Ontario

PWM

Portland

2 stops

15h 36m
PWM

Portland

ONT

Ontario

2 stops

27h 52m
$333

United Airlines

Pick Dates

Deal found 11/26

Jan 20 - Jan 25
ONT

Ontario

PWM

Portland

2 stops

15h 36m
PWM

Portland

ONT

Ontario

2 stops

11h 32m
$337

United Airlines

Pick Dates

Deal found 11/28

Last minute flights from Ontario to Portland

Late deals on return flights to Portland from Ontario, departing today and this week
Dec 5 - Dec 8
ONT

Ontario

PWM

Portland

2 stops

13h 04m
PWM

Portland

ONT

Ontario

1 stop

9h 29m
$562

Multiple Airlines

Pick Dates

Deal found 11/28

Dec 5 - Dec 8
ONT

Ontario

PWM

Portland

2 stops

13h 04m
PWM

Portland

ONT

Ontario

2 stops

11h 43m
$565

American Airlines

Pick Dates

Deal found 11/28

Dec 8 - Dec 11
ONT

Ontario

PWM

Portland

2 stops

12h 19m
PWM

Portland

ONT

Ontario

2 stops

20h 08m
$603

United Airlines

Pick Dates

Deal found 11/26

One-way flights to Portland from Ontario

The cheapest one-way flights from Ontario to Portland
Jan 10
ONT

Ontario

PWM

Portland

2 stops

12h 58m
$171

United Airlines

Pick Dates

Deal found 11/28

Jan 9
ONT

Ontario

PWM

Portland

2 stops

15h 36m
$172

United Airlines

Pick Dates

Deal found 11/27

Dec 6
ONT

Ontario

PWM

Portland

2 stops

14h 49m
$282

United Airlines

Pick Dates

Deal found 11/28

Related info for your journey

Useful info, stats and facts about Ontario to Portland flights.

Which airlines flying from Ontario to Portland have flexible cancellations due to COVID-19?

Some of our airline partners flying from Ontario to Portland have new flexible policies in place due to COVID-19. American Airlines, Delta, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Ontario to Portland, Maine for under $400 on Cheapflights?

Yes, there are multiple flights from Ontario to Portland, Maine for under $400. The cheapest flight booked recently is on Multiple Airlines for just $301, but on average you can expect to pay $377.

Are there last-minute flights available from Ontario to Portland, Maine for under $600?

There are currently 3+ open flights from Ontario to Portland, Maine within the next 7 days for less than $600.

What are the cheapest airlines flying from Ontario to Portland, Maine round-trip?

Currently priced at $318, Delta will fly you from Ontario to Portland, Maine and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $323. Delta is 45% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Ontario to Portland, Maine one-way?

$171 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $284 and $289, respectively.

What are the most popular airlines that fly from Ontario to Portland, Maine?

American Airlines, JetBlue and Delta are the most popular airlines when flying from Ontario to Portland, Maine.

What are the cheapest flights from Ontario to Portland, Maine?

On average you can expect to pay $1,325 for a flight from Ontario to Portland, Maine. The cheapest flight overall is $80 while the most popular route, (Ontario - Portland) is currently priced at $301.

Alternative routes for Ontario to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Ontario to Portland

The chart below displays the airlines Cheapflights users traveling from Ontario to Portland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United AirlinesCheapest$145Average$560FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
JetBlueCheapest$179Average$512FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
American AirlinesCheapest$292Average$732FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$317Average$653FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights