YUL - ONT

C$ 298 Find Cheap Flights from Montreal to Ontario – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 613
Typical prices: C$ 785-C$ 1,148
Delta
Tue 30/1Sat 17/2
YUL - ONT • 2 stops
Cheapest one-way flights
C$ 298
Typical prices: C$ 443-C$ 704
Multiple Airlines
Mon 29/10
YUL - ONT • 2 stops
Direct flights
Not available
There are currently no direct flights between Montreal Pierre Elliott Trudeau Intl Airport and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 29% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Charlotte Douglas (CLT)
Cheapest • Avg C$ 706 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 31m (one-way)
Insights
Insights
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We hope you enjoy your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Montreal to Ontario (YUL-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Montreal to Ontario

Sat, 30 Jan - Sat, 13 Feb
Delta Logo
9:28 a.m. - 10:14 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
15h 46m2 stops New York LaGuardia Atlanta Hartsfield-Jackson
Delta Logo
12:00 p.m. - 11:51 p.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
8h 51m1 stop Atlanta Hartsfield-Jackson
C$ 613Delta
Thu, 8 Oct - Fri, 16 Oct
Delta Logo
12:44 p.m. - 9:54 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
12h 10m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:19 p.m. - 1:39 p.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
11h 20m1 stop Atlanta Hartsfield-Jackson
C$ 638Delta
Thu, 4 Feb - Sat, 13 Feb
Delta Logo
12:45 p.m. - 10:14 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
12h 29m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:00 p.m. - 11:51 p.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
8h 51m1 stop Atlanta Hartsfield-Jackson
C$ 644Delta
Fri, 2 Oct - Fri, 23 Oct
Delta Logo
12:44 p.m. - 10:24 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
12h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:16 p.m. - 11:54 p.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
8h 38m1 stop Atlanta Hartsfield-Jackson
C$ 652Delta
Tue, 16 Feb - Tue, 23 Feb
Delta Logo
9:28 a.m. - 10:14 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
15h 46m2 stops New York LaGuardia Atlanta Hartsfield-Jackson
Delta Logo
12:00 p.m. - 11:51 p.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
8h 51m1 stop Atlanta Hartsfield-Jackson
C$ 662Delta
Thu, 29 Oct - Thu, 5 Nov
American Airlines Logo
2:30 p.m. - 10:59 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
11h 29m1 stop Charlotte Douglas
American Airlines Logo
7:49 p.m. - 11:25 a.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
12h 36m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
C$ 664American Airlines
Sun, 24 Jan - Wed, 10 Feb
Delta Logo
4:55 p.m. - 11:48 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
9h 53m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
12:00 p.m. - 11:51 p.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
8h 51m1 stop Atlanta Hartsfield-Jackson
C$ 674Delta
Thu, 8 Oct - Fri, 16 Oct
Delta Logo
12:44 p.m. - 9:54 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
12h 10m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:19 p.m. - 1:39 p.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
11h 20m1 stop Atlanta Hartsfield-Jackson
C$ 688Delta
Fri, 2 Oct - Sat, 17 Oct
Delta Logo
12:44 p.m. - 10:24 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
12h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:16 p.m. - 11:54 p.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
8h 38m1 stop Atlanta Hartsfield-Jackson
C$ 690Delta
Thu, 1 Oct - Wed, 7 Oct
Lufthansa Logo
4:55 p.m. - 10:49 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-ONT Ontario
8h 54m1 stop Chicago O'Hare Intl
Lufthansa Logo
1:52 p.m. - 8:16 a.m.ONT  Ontario-YUL Montreal Pierre Elliott Trudeau Intl
15h 24m1 stop San Francisco
C$ 695Lufthansa
Booking Insights

Price, demand, and travel trends for Montreal Pierre Elliott Trudeau Intl Airport to Ontario flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario with more confidence.

How much is a round-trip flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario start at C$ 613. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 785 to C$ 1,148. The lowest price found in the past 5 days was C$ 613 on Delta.

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Key details for Montreal Pierre Elliott Trudeau Intl Airport to Ontario flights

Low season

December

Cheapest flight

C$ 298
Best time to beat the crowds but there is an average 49% increase in price.
Flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario

When to book flights from Montreal to Ontario

Are your dates flexible? Find out the best times to travel from Montreal to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Montreal Pierre Elliott Trudeau Intl Airport to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    Flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario usually depart from Montreal Pierre Elliott Trudeau Intl (YUL) and arrive at Ontario (ONT).

  • Which cabin classes can I book on flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    Only Economy Class is available on flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario.

  • Which airports do connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario pass through?

    One-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario most commonly connect through:

    • Chicago O'Hare Intl (ORD) – 33% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 22% of one-stop connections
    • Charlotte Douglas (CLT) – 22% of one-stop connections
    • Denver Intl (DEN) – 11% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    Yes. Being flexible with your travel dates can save you up to 52% on the Montreal Pierre Elliott Trudeau Intl Airport to Ontario route. Tuesday is the cheapest departure day at C$ 800 round-trip on average, while Sunday is the most expensive at C$ 1,645, a difference of C$ 845. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in Ontario?

    Ontario Convention Center is one of the most viewed places in Ontario on KAYAK.

  • How long does a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario take?

    A direct flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario takes 0h 00m, covering 6,275 km.

  • Do I need a passport to fly from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Ontario looking right now?

    One-way fares from Montreal Pierre Elliott Trudeau Intl Airport to Ontario are currently lower than usual. Average one-way flight prices are about C$ 353, which is 49% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 31m, compared with 8h 53m via Chicago O'Hare Intl (ORD) and 10h 49m via Dallas/Fort Worth (DFW).

  • What is the time difference between Montreal Pierre Elliott Trudeau Intl Airport and Ontario?

    Ontario is 3 hours behind Montreal Pierre Elliott Trudeau Intl Airport (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around C$ 25 for economy cars. Top options include:
    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • How much should I expect to pay for a Montreal Pierre Elliott Trudeau Intl Airport to Ontario flight?

    Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario range from C$ 785 to C$ 1,148, with an average of C$ 811 over the past 12 months. Anything below C$ 785 counts as a good deal.

Your guide to booking Montreal Pierre Elliott Trudeau Intl Airport to Ontario flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average C$ 800 – about C$ 845 less than Sunday (51% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Montreal Pierre Elliott Trudeau Intl Airport to Ontario trip for September. Fares historically average C$ 578 round-trip in that month – typically C$ 828 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
    - Azure Hotel & Suites, Trademark Collection by Wyndham
    - La Quinta Inn & Suites by Wyndham Ontario Airport
    - Ontario Airport Inn

More options for your flight from Montreal to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario