Find flights
When to book
FAQs

Cheap flights from Portland, ME to Ontario from C$ 284

PWM — YYZ
16 Oct — 23 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Ontario

Sat 31/106:31 p.m. -
1 stop25h 49m
Fri 6/115:15 p.m. -
1 stop15h 53m
Deal found 14/9C$ 593
Wed 28/105:09 p.m. -
2 stops21h 01m
Wed 4/117:15 a.m. -
1 stop26h 06m
Deal found 13/9C$ 636
Tue 6/106:00 a.m. -
1 stop7h 43m
Sat 10/102:15 p.m. -
1 stop8h 29m
Deal found 15/9C$ 693
Thu 22/1010:01 a.m. -
1 stop10h 39m
Tue 27/109:20 a.m. -
2 stops32h 31m
Deal found 12/9C$ 696
Wed 30/96:31 p.m. -
2 stops19h 34m
Sun 4/107:00 a.m. -
1 stop26h 08m
Deal found 14/9C$ 728
Thu 29/101:05 p.m. -
1 stop10h 24m
Thu 5/116:00 a.m. -
1 stop4h 37m
Deal found 14/9C$ 732
Mon 26/105:35 p.m. -
2 stops45h 48m
Mon 2/115:15 p.m. -
1 stop17h 36m
Deal found 11/9C$ 733
Mon 26/107:26 p.m. -
1 stop4h 19m
Mon 2/1112:44 p.m. -
1 stop9h 55m
Deal found 11/9C$ 739
Wed 28/104:54 p.m. -
1 stop4h 46m
Wed 4/1112:44 p.m. -
1 stop9h 55m
Deal found 13/9C$ 746
Wed 21/104:27 p.m. -
1 stop17h 25m
Sun 25/1010:32 a.m. -
2 stops13h 27m
Deal found 15/9C$ 806
Mon 12/1011:20 a.m. -
1 stop21h 12m
Mon 19/102:28 p.m. -
1 stop8h 50m
Deal found 12/9C$ 807
Mon 5/104:27 p.m. -
1 stop17h 25m
Mon 12/1010:32 a.m. -
2 stops13h 27m
Deal found 14/9C$ 821

Find flight deals from Portland to Ontario

Round-trip from

C$ 593

One-way from

C$ 284
31/10-6/11
  • 31/10-6/11
  • 2 total stops
  • 41h 42m total
  • Portland to Ontario
Search Deals
30/10-31/12
  • 30/10-31/12
  • 2 total stops
  • 27h 27m total
  • Portland to Ontario
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 28/10

5:09 p.m.-2:10 p.m.

2 stops21h 01m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 296

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 27/10

5:09 p.m.-2:10 p.m.

2 stops45h 01m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 316

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 30/10

1:05 p.m.-11:29 p.m.

1 stop10h 24m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 324

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 28/10

10:52 a.m.-4:47 p.m.

1 stop5h 55m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 339
Quickest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 27/10

4:54 p.m.-9:40 p.m.

1 stop4h 46m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 339

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 30/10

3:53 p.m.-2:10 p.m.

3 stops22h 17m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 342

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 25/9

6:30 a.m.-1:40 p.m.

1 stop7h 10m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 345

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 30/9

5:30 a.m.-10:18 a.m.

1 stop4h 48m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 345

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Sat 17/10

6:00 a.m.-2:53 p.m.

2 stops8h 53m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 397

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Mon 28/9

7:25 p.m.-10:04 a.m.

1 stop14h 39m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 405

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 39 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Portland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Portland with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Portland to Ontario

Weekly flight availability from Portland, Maine to Region of Ontario

The most flights from PWM to CAON are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

  • What airport do you fly from for flights from Portland to Ontario?

    If you book a flight to Ontario from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PWM) is located 4.7 km from the centre of Portland.

  • How long is the flight from Portland, Maine to Region of Ontario?

    American Airlines and Delta can get you from Portland, Maine to Region of Ontario in just under 4h 19m. Your travel time can differ by up to 16h 53m. The distance from Portland, Maine to Region of Ontario is about 748 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Portland to Ontario that include hotel bookings?

    Yes. In addition to deals on Portland to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Ontario.

  • Can I find deals for business class flights from Portland to Ontario?

    Yes. Cheapflights offers flight deals from Portland to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Portland to Ontario?

Cheapflights helps you search for flights from Portland to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portland to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portland to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portland to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Portland to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.