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Cheap flights from Ontario to Deer Lake from C$ 193

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — YDF
6 Sep — 13 Sep1
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 7 August 2026.

Thu 27/88:00 a.m. -
1 stop5h 33m
Sun 30/88:45 p.m. -
Nonstop2h 35m
Deal found 5/8C$ 376
Mon 31/84:00 p.m. -
Nonstop2h 20m
Mon 7/95:35 p.m. -
Nonstop2h 35m
Deal found 3/8C$ 391
Thu 24/91:00 p.m. -
Nonstop2h 04m
Sun 27/95:20 p.m. -
Nonstop2h 11m
Deal found 6/8C$ 394
Thu 27/811:55 a.m. -
1 stop6h 25m
Wed 2/95:35 p.m. -
1 stop5h 45m
Deal found 6/8C$ 399
Thu 27/81:50 p.m. -
1 stop4h 30m
Wed 2/93:45 p.m. -
2 stops7h 49m
Deal found 6/8C$ 399
Sun 30/87:00 a.m. -
1 stop4h 57m
Thu 3/95:20 p.m. -
1 stop6h 20m
Deal found 6/8C$ 401
Thu 3/910:25 a.m. -
1 stop4h 45m
Thu 10/93:05 p.m. -
1 stop6h 04m
Deal found 6/8C$ 402
Sat 29/85:10 a.m. -
1 stop6h 47m
Sun 6/92:25 p.m. -
1 stop6h 15m
Deal found 7/8C$ 406
Fri 11/98:45 p.m. -
Nonstop2h 43m
Wed 23/95:00 a.m. -
Nonstop3h 04m
Deal found 6/8C$ 411
Wed 16/98:35 a.m. -
1 stop4h 18m
Wed 30/93:05 p.m. -
1 stop6h 04m
Deal found 2/8C$ 412
Tue 22/98:00 a.m. -
2 stops8h 50m
Fri 25/92:25 p.m. -
Nonstop2h 56m
Deal found 6/8C$ 412
Thu 27/89:15 a.m. -
Nonstop2h 42m
Wed 2/95:00 a.m. -
Nonstop3h 04m
Deal found 6/8C$ 416

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 7 August 2026.

Round-trip from

C$ 376

One-way from

C$ 193

Popular in

December

Cheapest in

October

Average price

C$ 591

Good round-trip deal

C$ 444 or less

Good one-way deal

C$ 172 or less
Porter Airlines
  • Porter Airlines
  • 27/8-30/8
  • 1 total stop
  • 8h 08m total
  • Ontario to Deer Lake
Search Deals
Porter Airlines
  • Porter Airlines
  • 7/9
  • 1 total stop
  • 6h 51m total
  • Ontario to Deer Lake
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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.
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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 7 August 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

MontrealDeer Lake

YUL Montreal Pierre Elliott Trudeau Intl - YDF Deer Lake

YULYDF

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

6:00 a.m.-1:28 p.m.

1 stop5h 58m

Deer Lake

Sun 27/9

5:20 p.m.-6:01 p.m.

Nonstop2h 11m

C$ 405

TorontoDeer Lake

YTZ Toronto Island - YDF Deer Lake

YTZYDF

Toronto Island

Thu 27/8

9:00 a.m.-7:50 p.m.

2 stops9h 20m

Deer Lake

Wed 2/9

5:35 p.m.-9:50 p.m.

1 stop5h 45m

C$ 422

OttawaDeer Lake

YOW Ottawa - YDF Deer Lake

YOWYDF

Ottawa

Sat 29/8

7:00 a.m.-6:00 p.m.

1 stop9h 30m

Deer Lake

Sun 6/9

5:35 p.m.-6:40 p.m.

Nonstop2h 35m

C$ 425
Quickest round-trip

OttawaDeer Lake

YOW Ottawa - YDF Deer Lake

YOWYDF

Ottawa

Sun 30/8

4:00 p.m.-7:50 p.m.

Nonstop2h 20m

Deer Lake

Thu 3/9

5:35 p.m.-6:40 p.m.

Nonstop2h 35m

C$ 429

TorontoDeer Lake

YTZ Toronto Island - YDF Deer Lake

YTZYDF

Toronto Island

Wed 16/9

8:30 a.m.-4:34 p.m.

1 stop6h 34m

Deer Lake

Wed 30/9

5:20 p.m.-9:30 p.m.

1 stop5h 40m

C$ 436

TorontoDeer Lake

YYZ Toronto Pearson Intl - YDF Deer Lake

YYZYDF

Toronto Pearson Intl

Thu 27/8

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

Nonstop2h 40m

Deer Lake

Wed 2/9

5:35 p.m.-10:04 p.m.

1 stop5h 59m

C$ 439

TorontoDeer Lake

YYZ Toronto Pearson Intl - YDF Deer Lake

YYZYDF

Toronto Pearson Intl

Sat 5/9

8:00 a.m.-6:21 p.m.

2 stops8h 51m

Deer Lake

Sun 13/9

5:00 a.m.-6:34 a.m.

Nonstop3h 04m

C$ 441

HamiltonDeer Lake

YHM Hamilton - YDF Deer Lake

YHMYDF

Hamilton

Thu 27/8

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

1 stop4h 43m

Deer Lake

Wed 2/9

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

1 stop5h 24m

C$ 446

HamiltonDeer Lake

YHM Hamilton - YDF Deer Lake

YHMYDF

Hamilton

Wed 11/11

8:10 a.m.-3:45 p.m.

1 stop6h 05m

Deer Lake

Wed 25/11

4:30 p.m.-10:10 p.m.

2 stops7h 10m

C$ 447

TorontoDeer Lake

YYZ Toronto Pearson Intl - YDF Deer Lake

YYZYDF

Toronto Pearson Intl

Sun 30/8

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

Nonstop2h 40m

Deer Lake

Sun 6/9

5:35 p.m.-10:04 p.m.

1 stop5h 59m

C$ 448

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

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, October is the cheapest month in which you can book a flight from Region of Ontario to Deer Lake (average of C$ 411). Flying from Region of Ontario to Deer Lake in December is currently the most expensive (average of C$ 809). 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 7 August 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 27% 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 7 August 2026.

The most flights from CAON to YDF are scheduled on a Tuesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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

Airfare is below average for this route at the moment.
Region of Ontario to Deer Lake flights typically cost between C$ 485 and C$ 726 in August.
The cheapest round-trip price found within the last 5 days was C$ 399 on Porter Airlines (27 Aug-2 Sep).

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

Booking 64 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 Air Canada and Porter Airlines fly from Region of Ontario to Deer Lake in about 4h 57m. The time it takes to get you to your destination can typically vary by up to 4h 23m. 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 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 British Airways (83%), Porter Airlines (79%) or Air Transat (79%) 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$ 406, our data indicates the cheapest price to be C$ 166. The most popular route (Toronto Pearson Intl - Deer Lake), is priced around C$ 395.

  • 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, October is the cheapest month in which you can book a flight from Region of Ontario to Deer Lake (average of C$ 411). Flying from Region of Ontario to Deer Lake in December is currently the most expensive (average of C$ 809). 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.
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Hamilton to St. John's flights
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Pierre Elliott Trudeau Intl to St. John's flights
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Vancouver Intl to St. John's flights
Pearson Intl to Deer Lake flights
Pearson Intl to Gander flights
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Hamilton to Deer Lake flights
Region of Waterloo Intl to St. John's flights
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Abbotsford to St. John's flights
St. John's to Deer Lake flights
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Toronto Island to Gander flights
Québec City to St. John's flights
Pierre Elliott Trudeau Intl to Deer Lake flights
Edmonton to Gander flights
Pierre Elliott Trudeau Intl to Gander flights
Winnipeg to St. John's flights
Saskatoon to St. John's flights
Winnipeg to Deer Lake flights
Fredericton to St. John's flights
Edmonton to Deer Lake flights
Calgary to Deer Lake flights
Gander to St. John's flights
Calgary to Gander flights
Fort McMurray to St. John's flights
Thunder Bay to St. John's flights
Halifax to Gander flights
Sault Ste Marie to St. John's flights
Pierre Elliott Trudeau Intl to Wabush flights
Regina to St. John's flights
Victoria to St. John's flights
Happy Valley-Goose Bay to Deer Lake flights
Windsor to St. John's flights
St John to St. John's flights
Happy Valley-Goose Bay to St. John's flights
Pearson Intl to Happy Valley-Goose Bay flights
Charlottetown to St. John's flights
Ottawa to Gander flights
Kelowna to St. John's flights
London to St. John's flights
Saskatoon to Deer Lake flights

Top 2 airlines flying from Ontario to Deer Lake

Discover the top 2 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 7 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 214AverageC$ 649FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 315AverageC$ 564FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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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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