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Cheap flights from Ontario to Duluth from C$ 478

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DLH
14 Jul — 21 Jul1
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 14 June 2026.

Sat 12/126:00 a.m.
YUL
-
DLH
2 stops14h 36m
Delta
Mon 14/124:15 p.m.
DLH
-
YUL
2 stops15h 27m
Delta
Deal found 11/6C$ 810
Sat 12/121:10 p.m.
YUL
-
DLH
1 stop9h 47m
United Airlines
Mon 14/126:10 p.m.
DLH
-
YUL
1 stop18h 41m
United Airlines
Deal found 11/6C$ 846
Mon 13/72:45 p.m.
YYZ
-
DLH
1 stop9h 38m
Multiple Airlines
Fri 17/76:25 p.m.
DLH
-
YYZ
1 stop21h 36m
Multiple Airlines
Deal found 13/6C$ 923
Wed 5/89:15 a.m.
YUL
-
DLH
2 stops15h 08m
Multiple Airlines
Wed 19/86:23 p.m.
DLH
-
YUL
1 stop19h 00m
Multiple Airlines
Deal found 9/6C$ 926
Mon 13/72:45 p.m.
YYZ
-
DLH
1 stop9h 38m
United Airlines
Fri 17/76:25 p.m.
DLH
-
YYZ
2 stops13h 54m
United Airlines
Deal found 13/6C$ 943
Wed 5/88:25 a.m.
YUL
-
DLH
2 stops15h 58m
United Airlines
Wed 19/86:23 p.m.
DLH
-
YUL
2 stops16h 40m
United Airlines
Deal found 9/6C$ 947
Sun 26/76:30 a.m.
YYZ
-
DLH
1 stop5h 34m
WestJet
Sun 2/811:50 a.m.
DLH
-
YYZ
1 stop22h 45m
WestJet
Deal found 11/6C$ 973
Wed 17/66:30 a.m.
YYZ
-
DLH
1 stop10h 19m
WestJet
Tue 30/64:07 p.m.
DLH
-
YYZ
1 stop18h 28m
WestJet
Deal found 11/6C$ 1,064
Wed 17/66:05 a.m.
YYZ
-
DLH
2 stops10h 44m
Delta
Tue 30/65:00 a.m.
DLH
-
YYZ
2 stops7h 42m
Delta
Deal found 14/6C$ 1,087
Sun 26/77:00 a.m.
YUL
-
DLH
1 stop13h 25m
WestJet
Sun 2/811:50 a.m.
DLH
-
YUL
2 stops27h 55m
WestJet
Deal found 10/6C$ 1,108
Mon 13/78:00 p.m.
YYZ
-
DLH
2 stops27h 49m
WestJet
Fri 17/75:00 a.m.
DLH
-
YYZ
2 stops19h 05m
WestJet
Deal found 13/6C$ 1,206

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 14 June 2026.

Round-trip from

C$ 923

One-way from

C$ 478
13/7-17/7
  • 13/7-17/7
  • 2 total stops
  • 31h 14m total
  • Ontario to Duluth
Search Deals
Delta
  • Delta
  • 23/7
  • 1 total stop
  • 5h 34m 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 14 June 2026.
Use the filters below to find and compare flights from Ontario to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Mon 13/7

2:45 p.m.-11:23 p.m.

1 stop9h 38m

Duluth Intl

Fri 17/7

6:25 p.m.-5:01 p.m.

1 stop21h 36m

C$ 923

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

9:15 a.m.-11:23 p.m.

2 stops15h 08m

Duluth Intl

Wed 19/8

6:23 p.m.-2:23 p.m.

1 stop19h 00m

C$ 926

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

8:25 a.m.-11:23 p.m.

2 stops15h 58m

Duluth Intl

Wed 19/8

6:23 p.m.-12:03 p.m.

2 stops16h 40m

C$ 947
Quickest round-trip

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Sun 26/7

6:30 a.m.-11:04 a.m.

1 stop5h 34m

Duluth Intl

Sun 2/8

11:50 a.m.-11:35 a.m.

1 stop22h 45m

C$ 973

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Sun 26/7

7:00 a.m.-7:25 p.m.

1 stop13h 25m

Duluth Intl

Sun 2/8

11:50 a.m.-4:45 p.m.

2 stops27h 55m

C$ 1,108

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Mon 13/7

8:00 p.m.-10:49 p.m.

2 stops27h 49m

Duluth Intl

Fri 17/7

5:00 a.m.-1:05 a.m.

2 stops19h 05m

C$ 1,206

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Sun 26/7

3:40 p.m.-7:25 p.m.

3 stops28h 45m

Duluth Intl

Sun 2/8

11:50 a.m.-8:13 a.m.

2 stops19h 23m

C$ 1,723
Cheapest one-way
Quickest one-way

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Thu 23/7

6:30 a.m.-11:04 a.m.

1 stop5h 34m

C$ 478

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Mon 27/7

4:45 p.m.-11:04 a.m.

2 stops19h 19m

C$ 504

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Tue 28/7

2:20 p.m.-10:41 a.m.

2 stops21h 21m

C$ 520

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 13 resultsSorted by cheapest first
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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 5h 34m. 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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