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Cheap flights from Deer Lake to Ontario from C$ 203

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
YDF — YYZ
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Deer Lake to Ontario

Keep the following information in mind while searching for Deer Lake to Ontario flight deals. Data was last updated 28 October 2025.

Round-trip from

C$ 376

One-way from

C$ 203

Popular in

November

Cheapest in

October

Average price

C$ 436

Good round-trip deal

C$ 558 or less

Good one-way deal

C$ 346 or less
Porter Airlines
  • Porter Airlines
  • 19/11-26/11
  • 2 total stops
  • 10h 35m total
  • Deer Lake to Ontario
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Porter Airlines
  • Porter Airlines
  • 17/11
  • 1 total stop
  • 5h 08m total
  • Deer Lake to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 60 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Deer Lake to Ontario.
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Price to beat on a one-way flight from Deer Lake to Ontario.
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Find flight deals from Deer Lake to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Deer Lake to Ontario
Explore the most affordable flight options available from Deer Lake to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.

Wed 19/114:30 p.m.YDF - YTZ
1 stop5h 35mPorter Airlines
Wed 26/119:15 a.m.YTZ - YDF
1 stop5h 00mPorter Airlines
Deal found 26/10C$ 376
Mon 24/114:30 p.m.YDF - YTZ
1 stop5h 35mPorter Airlines
Mon 1/129:15 a.m.YTZ - YDF
1 stop5h 00mPorter Airlines
Deal found 27/10C$ 393
Fri 5/124:30 p.m.YDF - YTZ
1 stop5h 35mPorter Airlines
Wed 10/127:00 a.m.YTZ - YDF
2 stops7h 15mPorter Airlines
Deal found 27/10C$ 396
Wed 19/114:30 p.m.YDF - YYZ
1 stop5h 08mPorter Airlines
Wed 26/119:00 a.m.YYZ - YDF
1 stop5h 15mPorter Airlines
Deal found 25/10C$ 407
Fri 12/125:45 a.m.YDF - YYZ
1 stop5h 24mAir Canada
Thu 22/18:00 a.m.YYZ - YDF
Nonstop2h 48mAir Canada
Deal found 26/10C$ 408
Fri 28/114:30 p.m.YDF - YYZ
1 stop5h 08mPorter Airlines
Wed 10/129:00 a.m.YYZ - YDF
1 stop5h 15mPorter Airlines
Deal found 26/10C$ 410
Fri 5/124:30 p.m.YDF - YYZ
1 stop5h 10mPorter Airlines
Wed 10/127:15 a.m.YYZ - YDF
2 stops7h 00mPorter Airlines
Deal found 27/10C$ 420
Wed 3/124:30 p.m.YDF - YTZ
1 stop5h 35mPorter Airlines
Sun 7/129:15 a.m.YTZ - YDF
1 stop5h 00mPorter Airlines
Deal found 27/10C$ 422
Wed 3/124:30 p.m.YDF - YYZ
1 stop5h 10mPorter Airlines
Sun 7/127:15 a.m.YYZ - YDF
2 stops7h 00mPorter Airlines
Deal found 26/10C$ 429
Wed 12/114:30 p.m.YDF - YTZ
1 stop5h 35mPorter Airlines
Wed 19/119:15 a.m.YTZ - YDF
1 stop5h 00mPorter Airlines
Deal found 27/10C$ 442
Wed 17/126:50 p.m.YDF - YYZ
1 stop13h 30mAir Canada
Wed 7/110:00 a.m.YYZ - YDF
2 stops6h 39mAir Canada
Deal found 27/10C$ 449
Wed 12/114:30 p.m.YDF - YYZ
1 stop5h 08mPorter Airlines
Wed 19/119:00 a.m.YYZ - YDF
1 stop5h 15mPorter Airlines
Deal found 27/10C$ 450

Cheapflights Fare Finder

 
Customize your flight search to find flights from Deer Lake to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 October 2025.
Use the filters below to find and compare flights from Deer Lake to Ontario that are best for you.

Fly from

Deer Lake

Fly to

Ontario

Route

Depart

Return

Price

Deer LakeToronto

YDF - YTZ

YDFYTZ

Deer Lake

Wed 19/11

4:30 p.m.-8:35 p.m.

1 stop5h 35m

Toronto Island

Wed 26/11

9:15 a.m.-3:45 p.m.

1 stop5h 00m

C$ 376

Deer LakeToronto

YDF - YYZ

YDFYYZ

Deer Lake

Wed 19/11

4:30 p.m.-8:08 p.m.

1 stop5h 08m

Toronto Pearson Intl

Wed 26/11

9:00 a.m.-3:45 p.m.

1 stop5h 15m

C$ 407

Deer LakeToronto

YDF - YYZ

YDFYYZ

Deer Lake

Fri 12/12

5:45 p.m.-7:22 p.m.

Nonstop3h 07m

Toronto Pearson Intl

Thu 22/1

8:00 a.m.-12:18 p.m.

Nonstop2h 48m

C$ 408

Deer LakeToronto

YDF - YYZ

YDFYYZ

Deer Lake

Fri 27/2

5:45 p.m.-7:22 p.m.

Nonstop3h 07m

Toronto Pearson Intl

Wed 11/3

12:00 p.m.-6:09 p.m.

1 stop4h 39m

C$ 449

Deer LakeToronto

YDF - YYZ

YDFYYZ

Deer Lake

Wed 17/12

6:50 p.m.-6:50 a.m.

1 stop13h 30m

Toronto Pearson Intl

Wed 7/1

10:00 a.m.-6:09 p.m.

2 stops6h 39m

C$ 449

Deer LakeToronto

YDF - YYZ

YDFYYZ

Deer Lake

Wed 12/11

4:30 p.m.-8:08 p.m.

1 stop5h 08m

Toronto Pearson Intl

Wed 19/11

9:00 a.m.-3:45 p.m.

1 stop5h 15m

C$ 450

Deer LakeToronto

YDF - YYZ

YDFYYZ

Deer Lake

Sat 6/12

5:45 p.m.-7:22 p.m.

Nonstop3h 07m

Toronto Pearson Intl

Sat 13/12

7:55 a.m.-12:16 p.m.

Nonstop2h 51m

C$ 460

Deer LakeToronto

YDF - YTZ

YDFYTZ

Deer Lake

Mon 24/11

4:30 p.m.-8:35 p.m.

1 stop5h 35m

Toronto Island

Mon 1/12

7:00 a.m.-3:45 p.m.

2 stops7h 15m

C$ 470

Deer LakeToronto

YDF - YTZ

YDFYTZ

Deer Lake

Thu 18/12

5:45 a.m.-9:55 a.m.

1 stop5h 40m

Toronto Island

Wed 7/1

8:50 a.m.-6:09 p.m.

2 stops7h 49m

C$ 526

Deer LakeToronto

YDF - YTZ

YDFYTZ

Deer Lake

Wed 12/11

4:30 p.m.-8:35 p.m.

1 stop5h 35m

Toronto Island

Wed 19/11

7:55 a.m.-3:45 p.m.

2 stops6h 20m

C$ 526

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 35 results
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Best time to book a flight from Deer Lake to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Deer Lake with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Deer Lake to Ontario

What is the cheapest month to book a flight from Deer Lake to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from Deer Lake to Region of Ontario (average of C$ 204). Flying from Deer Lake to Region of Ontario in September is currently the most expensive (average of C$ 373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YDF to ON?

Find hourly flight availability from Deer Lake to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 October 2025.

One of the essential ways to save on airfare from Deer Lake to Region of Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 51% on airfare.

What is the cheapest day to fly from Deer Lake to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Deer Lake to Ontario. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Deer Lake to Region of Ontario flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 28 October 2025.
Read through reviews of airlines operating flights from Deer Lake to Ontario, such as Porter Airlines and Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,371 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Deer Lake to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly from Deer Lake (YDF) if they book a flight from Deer Lake to Ontario. Deer Lake is conveniently located just 5.7 km from Deer Lake’s city centre.

  • How long is the flight from Deer Lake to Region of Ontario?

    Departing from Deer Lake to Region of Ontario will take you 3h 07m. There are 1801 km between Deer Lake and Region of Ontario. This flight may include one or multiple stops.

  • What are the most popular routes from Deer Lake to Region of Ontario?

    Most travellers choose Deer Lake - Toronto Pearson Intl, Deer Lake - Toronto Island or Deer Lake - Ottawa when deciding on the best route from Deer Lake to Region of Ontario.

  • What are the most reliable airlines from Deer Lake to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from Deer Lake to Region of Ontario consider choosing Porter Airlines (85%), Air Transat (85%) or Air Canada Rouge (74%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Deer Lake to Region of Ontario?

    The cheapest flight price from Deer Lake to Region of Ontario is C$ 215. On average you can expect to pay C$ 612. The most popular route, (Deer Lake - Toronto Pearson Intl), can usually be booked for C$ 407.

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

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

  • How can I find direct flights from Deer Lake to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Deer Lake 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.

  • What is the cheapest month to book a flight from Deer Lake to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Deer Lake to Region of Ontario (average of C$ 204). Flying from Deer Lake to Region of Ontario in September is currently the most expensive (average of C$ 373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Deer Lake to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
St. John's to Pearson Intl flights
St. John's to Toronto Island flights
St. John's to Halifax flights
St. John's to Hamilton flights
Deer Lake to Pearson Intl flights
St. John's to Pierre Elliott Trudeau Intl flights
St. John's to Ottawa flights
Gander to Pearson Intl flights
St. John's to Vancouver Intl flights
Deer Lake to Halifax flights
St. John's to Calgary flights
Deer Lake to Toronto Island flights
St. John's to Edmonton flights
Deer Lake to Edmonton flights
Gander to Halifax flights
Deer Lake to St. John's flights
Gander to Pierre Elliott Trudeau Intl flights
Gander to St. John's flights
St. John's to Deer Lake flights
Happy Valley-Goose Bay to Deer Lake flights
Gander to Ottawa flights
St. John's to Moncton flights
St. John's to Fort McMurray flights
St. John's to Québec City flights
St. John's to Winnipeg flights
Deer Lake to Calgary flights
Wabush to Pierre Elliott Trudeau Intl flights
Gander to Toronto Island flights
Deer Lake to Charlottetown flights
St. John's to Fredericton flights
Deer Lake to Ottawa flights
Happy Valley-Goose Bay to Calgary flights
Deer Lake to Fort McMurray flights
Deer Lake to Vancouver Intl flights
St. John's to Grande Prairie flights
Happy Valley-Goose Bay to St. John's flights
St. John's to Saskatoon flights
St. John's to Regina flights
St. John's to St John flights
St. John's to Nanaimo flights
St. John's to Charlottetown flights
Gander to Edmonton flights

Top 2 airlines flying from Deer Lake to Ontario

Discover the top 2 airlines that operate flights from Deer Lake to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 269AverageC$ 678FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 328AverageC$ 534FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Deer Lake to Ontario?

Deals for Deer Lake to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Deer Lake to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Deer Lake to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Deer Lake to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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