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Cheap flights from Ontario to Deer Lake from C$ 143

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — YDF
4 Jun — 11 Jun1
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 5 May 2026.

Thu 11/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Mon 15/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 269
Thu 11/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Thu 18/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 276
Fri 19/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Tue 23/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 30/4C$ 280
Sun 14/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Tue 16/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 282
Thu 11/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Fri 19/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 283
Fri 12/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Sat 20/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 291
Thu 11/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Sat 20/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 293
Thu 18/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Fri 19/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 299
Thu 18/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Thu 25/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 318
Thu 18/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Tue 23/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 324
Wed 10/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Mon 15/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 325
Wed 10/68:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Fri 19/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 1/5C$ 328

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 5 May 2026.

Round-trip from

C$ 269

One-way from

C$ 143

Popular in

December

Cheapest in

October

Average price

C$ 567

Good round-trip deal

C$ 408 or less

Good one-way deal

C$ 321 or less
Porter Airlines
  • Porter Airlines
  • 11/6-15/6
  • Nonstop
  • 4h 55m total
  • Ontario to Deer Lake
Search Deals
Porter Airlines
  • Porter Airlines
  • 17/6
  • Nonstop
  • 2h 20m total
  • Ontario to Deer Lake
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 5 May 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

TorontoDeer Lake

YTZ - YDF

YTZYDF

Toronto Island

Wed 10/6

4:55 p.m.-12:40 a.m.

1 stop6h 15m

Deer Lake

Wed 17/6

3:45 p.m.-9:53 p.m.

2 stops7h 38m

C$ 377

HamiltonDeer Lake

YHM - YDF

YHMYDF

Hamilton

Thu 11/6

8:50 a.m.-3:03 p.m.

1 stop4h 43m

Deer Lake

Mon 15/6

3:45 p.m.-7:39 p.m.

1 stop5h 24m

C$ 392

HamiltonDeer Lake

YHM - YDF

YHMYDF

Hamilton

Thu 4/6

8:50 a.m.-3:03 p.m.

1 stop4h 43m

Deer Lake

Sat 13/6

3:45 p.m.-7:39 p.m.

1 stop5h 24m

C$ 393

TorontoDeer Lake

YYZ - YDF

YYZYDF

Toronto Pearson Intl

Thu 11/6

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

Nonstop2h 40m

Deer Lake

Mon 15/6

6:30 a.m.-9:49 a.m.

1 stop4h 49m

C$ 401

HamiltonDeer Lake

YHM - YDF

YHMYDF

Hamilton

Thu 11/6

8:50 a.m.-3:03 p.m.

1 stop4h 43m

Deer Lake

Wed 17/6

3:45 p.m.-7:39 p.m.

1 stop5h 24m

C$ 405

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Fri 19/6

8:50 p.m.-12:40 a.m.

Nonstop2h 20m

Deer Lake

Fri 26/6

5:00 a.m.-9:15 a.m.

1 stop5h 45m

C$ 407

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Fri 19/6

6:00 p.m.-1:57 a.m.

1 stop6h 27m

Deer Lake

Tue 23/6

5:00 a.m.-11:10 a.m.

1 stop7h 40m

C$ 408

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Thu 18/6

7:00 a.m.-3:03 p.m.

2 stops6h 33m

Deer Lake

Mon 22/6

6:30 a.m.-7:35 a.m.

Nonstop2h 35m

C$ 411
Quickest round-trip

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Fri 26/6

8:50 p.m.-12:40 a.m.

Nonstop2h 20m

Deer Lake

Thu 2/7

4:55 p.m.-6:00 p.m.

Nonstop2h 35m

C$ 424

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Tue 2/6

6:00 p.m.-1:59 a.m.

1 stop6h 29m

Deer Lake

Tue 9/6

5:00 a.m.-11:05 a.m.

1 stop7h 35m

C$ 438

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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

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

Booking 84 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.

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$ 173). Flying from Region of Ontario to Deer Lake in June is currently the most expensive (average of C$ 701). 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 5 May 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?

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 6h 15m. The time it takes to get you to your destination can typically vary by up to 12m. Airlines will cover a distance of 1788 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 Air Canada, which is currently one of the cheapest options available, starting at C$ 168. Porter Airlines flights start at C$ 170 while deals on Air Transat start at C$ 196 one-way.

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

    Most travellers choose Toronto Pearson Intl - Deer Lake, Montreal Pierre Elliott Trudeau Intl - 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 United Airlines (84%), Air Canada (65%) or Jazz (54%) 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$ 486, our data indicates the cheapest price to be C$ 256. The most popular route (Toronto Pearson Intl - Deer Lake), is priced around C$ 414.

  • 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$ 173). Flying from Region of Ontario to Deer Lake in June is currently the most expensive (average of C$ 701). 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
Pierre Elliott Trudeau Intl to St. John's flights
Vancouver Intl to St. John's flights
Ottawa to St. John's flights
Halifax to St. John's flights
Pearson Intl to Deer Lake flights
Region of Waterloo Intl to St. John's flights
Pearson Intl to Gander flights
Edmonton to St. John's flights
Pierre Elliott Trudeau Intl to Deer Lake flights
Calgary to St. John's flights
Hamilton to Deer Lake flights
Toronto Island to Deer Lake flights
Winnipeg to St. John's flights
Windsor to St. John's flights
Abbotsford to St. John's flights
Deer Lake to St. John's flights
Québec City to St. John's flights
Halifax to Deer Lake flights
Ottawa to Deer Lake flights
Saskatoon to St. John's flights
Edmonton to Gander flights
Fredericton to St. John's flights
Moncton to St. John's flights
Edmonton to Deer Lake flights
Toronto Island to Gander flights
Calgary to Deer Lake flights
Fort McMurray to St. John's flights
St. John's to Deer Lake flights
Sault Ste Marie to St. John's flights
Kelowna to St. John's flights
Halifax to Happy Valley-Goose Bay flights
Charlottetown to St. John's flights
Pierre Elliott Trudeau Intl to Gander flights
Halifax to Gander flights
Ottawa to Gander flights
Thunder Bay to St. John's flights
Victoria to St. John's flights
Regina to St. John's flights
London to St. John's flights
Nanaimo to St. John's flights
Saskatoon to Deer Lake flights
Charlottetown to Deer Lake flights
Happy Valley-Goose Bay to Deer Lake flights
Pierre Elliott Trudeau Intl to Wabush flights
Calgary to Gander flights
Pearson Intl to Happy Valley-Goose Bay flights
St John to St. John's 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 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 226AverageC$ 525FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 263AverageC$ 592FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 286AverageC$ 668FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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