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Cheap flights from Ontario to Deer Lake from C$ 161

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — YDF
17 Jul — 24 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Deer Lake

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Deer Lake
Explore the most affordable flight options available from Ontario to Deer Lake. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 June 2026.

Wed 8/712:15 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Wed 15/75:00 p.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 15/6C$ 305
Sun 5/712:15 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Sun 12/75:00 p.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 12/6C$ 314
Sun 26/712:15 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Mon 3/84:55 p.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 14/6C$ 315
Sun 26/712:15 p.m.
YOW
-
YDF
Nonstop2h 20m
Multiple Airlines
Sun 2/84:55 p.m.
YDF
-
YOW
Nonstop2h 35m
Multiple Airlines
Deal found 14/6C$ 335
Wed 8/712:15 p.m.
YOW
-
YDF
1 stop4h 36m
Air Canada
Wed 15/75:00 a.m.
YDF
-
YOW
1 stop7h 45m
Air Canada
Deal found 15/6C$ 336
Sun 5/712:15 p.m.
YOW
-
YDF
Nonstop2h 20m
Multiple Airlines
Sun 12/75:00 p.m.
YDF
-
YOW
Nonstop2h 35m
Multiple Airlines
Deal found 14/6C$ 337
Wed 8/712:15 p.m.
YOW
-
YDF
Nonstop2h 20m
Multiple Airlines
Wed 15/75:00 p.m.
YDF
-
YOW
Nonstop2h 35m
Multiple Airlines
Deal found 15/6C$ 339
Thu 23/79:35 a.m.
YUL
-
YDF
1 stop3h 58m
Porter Airlines
Thu 23/76:55 p.m.
YDF
-
YUL
1 stop7h 12m
Porter Airlines
Deal found 13/6C$ 400
Wed 22/78:25 a.m.
YTZ
-
YDF
1 stop6h 10m
Porter Airlines
Wed 29/75:00 p.m.
YDF
-
YTZ
1 stop6h 23m
Porter Airlines
Deal found 14/6C$ 423
Mon 13/78:25 a.m.
YTZ
-
YDF
1 stop6h 10m
Porter Airlines
Mon 20/75:00 p.m.
YDF
-
YTZ
1 stop6h 23m
Porter Airlines
Deal found 15/6C$ 426
Wed 15/710:25 a.m.
YHM
-
YDF
1 stop4h 10m
Porter Airlines
Thu 23/73:45 p.m.
YDF
-
YHM
2 stops6h 15m
Porter Airlines
Deal found 12/6C$ 427
Wed 15/78:25 a.m.
YTZ
-
YDF
1 stop6h 10m
Porter Airlines
Wed 22/73:45 p.m.
YDF
-
YTZ
2 stops8h 03m
Porter Airlines
Deal found 12/6C$ 427

Find flight deals from Ontario to Deer Lake

Keep the following information in mind while searching for Ontario to Deer Lake flight deals. Data was last updated 17 June 2026.

Round-trip from

C$ 305

One-way from

C$ 161

Popular in

December

Cheapest in

October

Average price

C$ 612

Good round-trip deal

C$ 362 or less

Good one-way deal

C$ 246 or less
Porter Airlines
  • Porter Airlines
  • 8/7-15/7
  • Nonstop
  • 4h 55m total
  • Ontario to Deer Lake
Search Deals
Porter Airlines
  • Porter Airlines
  • 6/7
  • Nonstop
  • 2h 20m total
  • Ontario to Deer Lake
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Deer Lake.
Search Deals
Price to beat on a one-way flight from Ontario to Deer Lake.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Deer Lake 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 17 June 2026.
Use the filters below to find and compare flights from Ontario to Deer Lake that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Wed 8/7

12:15 p.m.-4:05 p.m.

Nonstop2h 20m

Deer Lake

Wed 15/7

6:55 p.m.-12:25 a.m.

1 stop7h 00m

C$ 309

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Wed 8/7

12:15 p.m.-6:21 p.m.

1 stop4h 36m

Deer Lake

Wed 15/7

5:00 a.m.-11:15 a.m.

1 stop7h 45m

C$ 336

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Wed 8/7

12:15 p.m.-4:05 p.m.

Nonstop2h 20m

Deer Lake

Wed 15/7

6:55 p.m.-12:25 a.m.

1 stop7h 00m

C$ 342

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Tue 18/8

12:15 p.m.-6:21 p.m.

1 stop4h 36m

Deer Lake

Sun 30/8

5:00 a.m.-11:15 a.m.

1 stop7h 45m

C$ 363

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Tue 28/7

12:15 p.m.-6:21 p.m.

1 stop4h 36m

Deer Lake

Sun 2/8

7:00 p.m.-10:35 a.m.

2 stops17h 05m

C$ 396

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Sat 29/8

12:15 p.m.-6:21 p.m.

1 stop4h 36m

Deer Lake

Sun 6/9

7:00 p.m.-10:35 a.m.

2 stops17h 05m

C$ 396

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Tue 7/7

6:00 p.m.-12:57 a.m.

1 stop5h 27m

Deer Lake

Sat 8/8

7:00 p.m.-8:28 a.m.

1 stop14h 58m

C$ 402

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Sat 1/8

4:00 p.m.-12:57 a.m.

1 stop7h 27m

Deer Lake

Sat 8/8

7:00 p.m.-8:28 a.m.

1 stop14h 58m

C$ 402

TorontoDeer Lake

YTZ - YDF

YTZYDF

Toronto Island

Wed 15/7

8:25 a.m.-4:05 p.m.

1 stop6h 10m

Deer Lake

Thu 16/7

5:00 p.m.-9:53 p.m.

1 stop6h 23m

C$ 428

TorontoDeer Lake

YYZ - YDF

YYZYDF

Toronto Pearson Intl

Tue 7/7

1:50 p.m.-6:00 p.m.

Nonstop2h 40m

Deer Lake

Wed 8/7

5:00 p.m.-10:04 p.m.

1 stop6h 34m

C$ 435

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Deer Lake

Have a flexible travel schedule? Discover the best time to fly to Deer Lake from Ontario 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 Ontario to Deer Lake

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

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Deer Lake (average of C$ 151). Flying from Region of Ontario to Deer Lake in September is currently the most expensive (average of C$ 776). 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 ON to YDF?

Find hourly flight availability from Ontario to Deer Lake. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 June 2026.

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to Deer Lake in the afternoon. If you’re flexible enough to do this you can expect to save up to 78% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Region of Ontario to Deer Lake?

How far ahead should I book a flight from Region of Ontario to Deer Lake?

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to Deer Lake. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Deer Lake. 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 into for flights to Deer Lake from Ontario?

    For a flight from Ontario to Deer Lake, you will be flying into Deer Lake. Deer Lake (YDF) is just 5.7 km from the centre of the city.

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

    Airlines like Porter Airlines and Air Canada fly from Region of Ontario to Deer Lake in about 2h 20m. The time it takes to get you to your destination can typically vary by up to 2h 16m. Airlines will cover a distance of 1440 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Region of Ontario to Deer Lake one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 180. Air Canada flights start at C$ 215 while deals on Air Transat start at C$ 258 one-way.

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

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

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

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Deer Lake consider choosing Jazz (85%), Air Canada (84%) or United Airlines (80%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Region of Ontario to Deer Lake? While on average our users pay C$ 436, our data indicates the cheapest price to be C$ 210. The most popular route (Toronto Pearson Intl - Deer Lake), is priced around C$ 398.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Deer Lake 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 Region of Ontario to Deer Lake?

    Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Deer Lake (average of C$ 151). Flying from Region of Ontario to Deer Lake in September is currently the most expensive (average of C$ 776). 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

Travelling to a place near Deer Lake?

Book flights to Deer Lake if you plan to visit one of these locations
Corner Brook

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Alternative routes for Ontario to Deer Lake

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to St. John's flights
Hamilton to St. John's flights
Toronto Island to St. John's flights
Pearson Intl to Deer Lake flights
Pierre Elliott Trudeau Intl to St. John's flights
Ottawa to St. John's flights
Vancouver Intl to St. John's flights
Halifax to St. John's flights
Pearson Intl to Gander flights
Hamilton to Deer Lake flights
Toronto Island to Deer Lake flights
Edmonton to St. John's flights
Calgary to St. John's flights
Region of Waterloo Intl to St. John's flights
Abbotsford to St. John's flights
Halifax to Deer Lake flights
Winnipeg to St. John's flights
Ottawa to Deer Lake flights
Saskatoon to St. John's flights
Edmonton to Gander flights
Pierre Elliott Trudeau Intl to Deer Lake flights
Moncton to St. John's flights
Windsor to St. John's flights
Québec City to St. John's flights
Fort McMurray to Deer Lake flights
Edmonton to Deer Lake flights
Fort McMurray to St. John's flights
Sault Ste Marie to St. John's flights
Toronto Island to Gander flights
St. John's to Deer Lake flights
Halifax to Happy Valley-Goose Bay flights
London to St. John's flights
Thunder Bay to St. John's flights
Pierre Elliott Trudeau Intl to Gander flights
Pierre Elliott Trudeau Intl to Wabush flights
Deer Lake to St. John's flights
Fredericton to St. John's flights
Pearson Intl to Happy Valley-Goose Bay flights
Kelowna to St. John's flights
Charlottetown to St. John's flights
Victoria to St. John's flights
Calgary to Deer Lake flights
St John to St. John's flights
Halifax to Gander flights
Ottawa to Gander flights
Happy Valley-Goose Bay to St. John's flights
Yellowknife to St. John's flights
Kamloops to St. John's flights
Nanaimo to St. John's flights
St John to Gander flights

Top 3 airlines flying from Ontario to Deer Lake

Discover the top 3 airlines that operate flights from Ontario to Deer Lake. 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 17 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 221AverageC$ 630FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 232AverageC$ 557FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 270AverageC$ 609FlexibilityNo cancel feeOn-time50%
Search Air Transat 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 Ontario to Deer Lake?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Deer Lake. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to Deer Lake 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 Ontario to Deer Lake with no change fees?

Need flexible booking options for your flight to Deer Lake from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Deer Lake 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!

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