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Cheap flights from Ontario to Deer Lake from C$ 180

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — YDF
20 Apr — 27 Apr1
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 21 March 2026.

Thu 4/69:00 a.m.
YOW
-
YDF
2 stops7h 50m
Air Canada
Thu 18/65:00 a.m.
YDF
-
YOW
1 stop5h 45m
Air Canada
Deal found 20/3C$ 373
Sun 12/47:15 a.m.
YYZ
-
YDF
2 stops6h 55m
Porter Airlines
Wed 15/44:30 p.m.
YDF
-
YYZ
1 stop5h 10m
Porter Airlines
Deal found 16/3C$ 401
Wed 15/47:15 a.m.
YYZ
-
YDF
2 stops6h 55m
Porter Airlines
Wed 22/44:30 p.m.
YDF
-
YYZ
1 stop5h 10m
Porter Airlines
Deal found 18/3C$ 408
Thu 4/67:00 a.m.
YOW
-
YDF
2 stops6h 33m
Porter Airlines
Thu 18/66:30 a.m.
YDF
-
YOW
Nonstop2h 35m
Porter Airlines
Deal found 16/3C$ 409
Fri 24/47:00 a.m.
YTZ
-
YDF
2 stops7h 10m
Porter Airlines
Sun 26/44:30 p.m.
YDF
-
YTZ
2 stops6h 50m
Porter Airlines
Deal found 16/3C$ 410
Thu 16/412:15 p.m.
YOW
-
YDF
1 stop4h 20m
Air Canada
Mon 20/46:50 p.m.
YDF
-
YOW
1 stop16h 53m
Air Canada
Deal found 20/3C$ 412
Fri 24/47:55 a.m.
YYZ
-
YDF
2 stops6h 15m
Porter Airlines
Sun 26/44:30 p.m.
YDF
-
YYZ
1 stop5h 10m
Porter Airlines
Deal found 17/3C$ 420
Fri 12/67:00 a.m.
YOW
-
YDF
2 stops9h 50m
Air Canada
Sun 14/65:00 a.m.
YDF
-
YOW
1 stop5h 45m
Air Canada
Deal found 20/3C$ 421
Mon 27/49:00 a.m.
YYZ
-
YDF
1 stop5h 10m
Porter Airlines
Mon 4/53:45 p.m.
YDF
-
YYZ
1 stop5h 43m
Porter Airlines
Deal found 18/3C$ 427
Mon 30/37:00 a.m.
YTZ
-
YDF
2 stops7h 15m
Porter Airlines
Tue 7/44:30 p.m.
YDF
-
YTZ
1 stop5h 35m
Porter Airlines
Deal found 16/3C$ 430
Wed 8/78:50 p.m.
YOW
-
YDF
Nonstop2h 20m
Porter Airlines
Wed 29/76:55 p.m.
YDF
-
YOW
1 stop7h 00m
Porter Airlines
Deal found 16/3C$ 432
Sat 2/59:00 a.m.
YTZ
-
YDF
1 stop4h 33m
Porter Airlines
Wed 13/53:45 p.m.
YDF
-
YTZ
2 stops8h 05m
Porter Airlines
Deal found 18/3C$ 435

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 21 March 2026.

Round-trip from

C$ 351

One-way from

C$ 180

Popular in

December

Cheapest in

October

Average price

C$ 770

Good round-trip deal

C$ 606 or less

Good one-way deal

C$ 279 or less
Porter Airlines
  • Porter Airlines
  • 14/6-20/6
  • Nonstop
  • 4h 55m total
  • Ontario to Deer Lake
Search Deals
Porter Airlines
  • Porter Airlines
  • 12/4
  • 2 total stops
  • 5h 50m total
  • Ontario to Deer Lake
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 21 March 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

Thu 4/6

9:00 a.m.-6:20 p.m.

2 stops7h 50m

Deer Lake

Thu 18/6

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

1 stop5h 45m

C$ 373

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Thu 16/4

12:15 p.m.-6:05 p.m.

1 stop4h 20m

Deer Lake

Mon 20/4

6:50 p.m.-10:13 a.m.

1 stop16h 53m

C$ 412

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Thu 4/6

8:00 a.m.-3:03 p.m.

1 stop5h 33m

Deer Lake

Thu 18/6

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

Nonstop2h 35m

C$ 431

TorontoDeer Lake

YYZ - YDF

YYZYDF

Toronto Pearson Intl

Thu 4/6

9:00 a.m.-3:03 p.m.

1 stop4h 33m

Deer Lake

Thu 18/6

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

1 stop4h 49m

C$ 435
Quickest round-trip

OttawaDeer Lake

YOW - YDF

YOWYDF

Ottawa

Mon 22/6

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

Nonstop2h 20m

Deer Lake

Thu 2/7

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

Nonstop2h 35m

C$ 469

TorontoDeer Lake

YTZ - YDF

YTZYDF

Toronto Island

Sun 3/5

9:00 a.m.-3:03 p.m.

1 stop4h 33m

Deer Lake

Mon 18/5

3:45 p.m.-10:20 p.m.

2 stops8h 05m

C$ 497

TorontoDeer Lake

YTZ - YDF

YTZYDF

Toronto Island

Thu 4/6

9:00 a.m.-3:03 p.m.

1 stop4h 33m

Deer Lake

Thu 18/6

3:45 p.m.-10:20 p.m.

2 stops8h 05m

C$ 497

MontrealDeer Lake

YUL - YDF

YULYDF

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

9:35 a.m.-3:03 p.m.

1 stop3h 58m

Deer Lake

Mon 25/5

3:45 p.m.-6:48 p.m.

1 stop4h 33m

C$ 501

TorontoDeer Lake

YTZ - YDF

YTZYDF

Toronto Island

Tue 12/5

9:00 a.m.-3:03 p.m.

1 stop4h 33m

Deer Lake

Mon 18/5

3:45 p.m.-10:20 p.m.

2 stops8h 05m

C$ 504

TorontoDeer Lake

YTZ - YDF

YTZYDF

Toronto Island

Sun 3/5

9:00 a.m.-3:03 p.m.

1 stop4h 33m

Deer Lake

Thu 14/5

3:45 p.m.-10:20 p.m.

2 stops8h 05m

C$ 508

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/3

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, December is the cheapest month in which you can book a flight from Region of Ontario to Deer Lake (average of C$ 210). Flying from Region of Ontario to Deer Lake in April is currently the most expensive (average of C$ 413). 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 21 March 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 82% on your trip compared to booking a flight in the evening.

Weekly flight availability from Region of Ontario to Deer Lake

Explore weekly flight availability from Ontario to Deer Lake. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 March 2026.

The most flights from CAON to YDF are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 fly from Region of Ontario to Deer Lake in about 2h 20m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 1440 km. Generally, flights for this route are direct.

  • 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$ 168. Air Transat flights start at C$ 198 while deals on Air Canada start at C$ 208 one-way.

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

    Most travellers choose Toronto Pearson Intl - Deer Lake, Toronto Island - Deer Lake or Hamilton - 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 (47%), Air Canada (31%) or Jazz (31%) 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$ 493, our data indicates the cheapest price to be C$ 210. The most popular route (Toronto Pearson Intl - Deer Lake), is priced around C$ 428.

  • 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, December is the cheapest month in which you can book a flight from Region of Ontario to Deer Lake (average of C$ 210). Flying from Region of Ontario to Deer Lake in April is currently the most expensive (average of C$ 413). 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
Ottawa to St. John's flights
Pierre Elliott Trudeau Intl to St. John's flights
Pearson Intl to Gander flights
Region of Waterloo Intl to St. John's flights
Halifax to St. John's flights
Toronto Island to Deer Lake flights
Hamilton to Deer Lake flights
Vancouver Intl to St. John's flights
Calgary to St. John's flights
Edmonton to St. John's flights
Winnipeg to St. John's flights
Abbotsford to St. John's flights
Pierre Elliott Trudeau Intl to Gander flights
Pierre Elliott Trudeau Intl to Deer Lake flights
Québec City to St. John's flights
Halifax to Deer Lake flights
Saskatoon to St. John's flights
Ottawa to Deer Lake flights
Windsor to St. John's flights
Edmonton to Deer Lake flights
Victoria to St. John's flights
Moncton to St. John's flights
Fort McMurray to St. John's flights
Toronto Island to Gander flights
Calgary to Deer Lake flights
St. John's to Deer Lake flights
Halifax to Gander flights
Edmonton to Gander flights
Kelowna to St. John's flights
Happy Valley-Goose Bay to St. John's flights
Fredericton to St. John's flights
Charlottetown to St. John's flights
Regina to St. John's flights
Gander to St. John's flights
Sault Ste Marie to St. John's flights
Deer Lake to St. John's flights
Calgary to Gander flights
London to St. John's flights
Nanaimo to St. John's flights
Fort McMurray to Deer Lake flights
Pearson Intl to Happy Valley-Goose Bay flights
Winnipeg to Deer Lake flights
Saskatoon to Deer Lake flights
Ottawa to Gander flights
Thunder Bay to St. John's flights
Charlottetown to Deer Lake 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 21 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 227AverageC$ 533FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 265AverageC$ 608FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 289AverageC$ 740FlexibilityNo 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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