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Cheap flights from Ontario to Duluth from C$ 339

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DLH
9 Mar — 16 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Duluth

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Duluth
Explore the most affordable flight options available from Ontario to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 February 2026.

Tue 28/46:35 p.m.
YUL
-
DLH
2 stops16h 54m
United Airlines
Fri 1/56:24 p.m.
DLH
-
YUL
1 stop15h 16m
United Airlines
Deal found 4/2C$ 595
Wed 29/410:15 a.m.
YYZ
-
DLH
1 stop8h 54m
United Airlines
Fri 1/56:24 p.m.
DLH
-
YYZ
1 stop4h 35m
United Airlines
Deal found 4/2C$ 651
Tue 24/25:15 p.m.
YYZ
-
DLH
1 stop7h 40m
Delta
Fri 27/25:00 a.m.
DLH
-
YYZ
2 stops11h 47m
Delta
Deal found 5/2C$ 654
Tue 24/26:30 a.m.
YYZ
-
DLH
1 stop6h 00m
Delta
Thu 26/24:15 p.m.
DLH
-
YYZ
1 stop5h 56m
Delta
Deal found 4/2C$ 655
Tue 28/47:00 a.m.
YUL
-
DLH
1 stop6h 07m
Delta
Fri 1/512:47 p.m.
DLH
-
YUL
1 stop9h 39m
Delta
Deal found 5/2C$ 688
Tue 24/29:00 p.m.
YYZ
-
DLH
1 stop14h 43m
United Airlines
Fri 27/27:50 a.m.
DLH
-
YYZ
1 stop23h 50m
United Airlines
Deal found 6/2C$ 707
Wed 29/49:46 a.m.
YYZ
-
DLH
2 stops11h 11m
Delta
Fri 1/512:47 p.m.
DLH
-
YYZ
2 stops9h 56m
Delta
Deal found 4/2C$ 730
Sat 21/36:45 a.m.
YYZ
-
DLH
1 stop4h 58m
United Airlines
Mon 23/36:43 p.m.
DLH
-
YYZ
1 stop20h 51m
United Airlines
Deal found 4/2C$ 773
Tue 24/26:30 a.m.
YYZ
-
DLH
1 stop6h 00m
WestJet
Fri 27/25:00 a.m.
DLH
-
YYZ
1 stop9h 59m
WestJet
Deal found 3/2C$ 782
Mon 23/23:00 p.m.
YUL
-
DLH
2 stops20h 43m
United Airlines
Thu 5/36:43 p.m.
DLH
-
YUL
2 stops17h 03m
United Airlines
Deal found 3/2C$ 883
Mon 23/22:40 p.m.
YUL
-
DLH
1 stop25h 51m
WestJet
Thu 5/35:00 a.m.
DLH
-
YUL
1 stop7h 40m
WestJet
Deal found 3/2C$ 939

Find flight deals from Ontario to Duluth

Keep the following information in mind while searching for Ontario to Duluth flight deals. Data was last updated 7 February 2026.

Round-trip from

C$ 595

One-way from

C$ 339
United Airlines
  • United Airlines
  • 28/4-1/5
  • 3 total stops
  • 32h 10m total
  • Ontario to Duluth
Search Deals
Delta
  • Delta
  • 2/5
  • 1 total stop
  • 6h 07m total
  • Ontario to Duluth
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Duluth 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 February 2026.
Use the filters below to find and compare flights from Ontario to Duluth that are best for you.

Fly from

Ontario

Fly to

Duluth

Route

Depart

Return

Price

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

6:35 p.m.-10:29 a.m.

2 stops16h 54m

Duluth Intl

Fri 1/5

6:24 p.m.-10:40 a.m.

1 stop15h 16m

C$ 595

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Wed 29/4

10:15 a.m.-6:09 p.m.

1 stop8h 54m

Duluth Intl

Fri 1/5

6:24 p.m.-11:59 p.m.

1 stop4h 35m

C$ 651

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Tue 24/2

5:15 p.m.-11:55 p.m.

1 stop7h 40m

Duluth Intl

Fri 27/2

5:00 a.m.-5:47 p.m.

2 stops11h 47m

C$ 654

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Tue 24/2

6:30 a.m.-11:30 a.m.

1 stop6h 00m

Duluth Intl

Thu 26/2

4:15 p.m.-11:11 p.m.

1 stop5h 56m

C$ 655

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

7:00 a.m.-12:07 p.m.

1 stop6h 07m

Duluth Intl

Fri 1/5

12:47 p.m.-11:26 p.m.

1 stop9h 39m

C$ 688

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

7:00 a.m.-12:07 p.m.

1 stop6h 07m

C$ 339

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Tue 24/3

12:25 p.m.-10:47 p.m.

2 stops11h 22m

C$ 368

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

7:00 a.m.-3:49 p.m.

1 stop9h 49m

C$ 376

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

7:00 a.m.-3:49 p.m.

1 stop9h 49m

C$ 376

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

2:29 p.m.-10:46 p.m.

2 stops9h 17m

C$ 417

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 11 results
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Best time to book a flight from Ontario to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth 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 Duluth
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Duluth. 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 Duluth from Ontario?

    If you book a flight to Duluth from Ontario, you will be flying to Duluth Intl, which is the city’s only airport. Duluth Intl (DLH) is located 9.3 km from the centre of Duluth.

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

    Departing from Region of Ontario to Duluth will take you 7h 40m. The distance from Region of Ontario to Duluth is about 1043 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

  • How can I find direct flights from Ontario to Duluth?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Can Cheapflights find flights from Ontario to Duluth with no change fees?

Need flexible booking options for your flight to Duluth 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 Duluth become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Duluth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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