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Cheap flights from Duluth to Ontario from C$ 435

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — YYZ
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Duluth to Ontario

Keep the following information in mind while searching for Duluth to Ontario flight deals. Data was last updated 29 October 2025.

Round-trip from

C$ 826

One-way from

C$ 435
United Airlines
  • United Airlines
  • 11/12-13/12
  • 2 total stops
  • 35h 36m total
  • Duluth to Ontario
Search Deals
Delta
  • Delta
  • 29/11
  • 1 total stop
  • 6h 03m total
  • Duluth to Ontario
Search Deals

Find flight deals from Duluth to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Duluth to Ontario
Explore the most affordable flight options available from Duluth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Thu 11/122:57 p.m.DLH - YYZ
1 stop24h 42mUnited Airlines
Sat 13/1212:05 p.m.YYZ - DLH
1 stop10h 54mUnited Airlines
Deal found 27/10C$ 826
Fri 12/122:57 p.m.DLH - YYZ
1 stop8h 02mUnited Airlines
Sat 13/122:15 p.m.YYZ - DLH
1 stop8h 44mUnited Airlines
Deal found 27/10C$ 868
Thu 11/122:57 p.m.DLH - YYZ
1 stop24h 42mUnited Airlines
Thu 18/126:50 a.m.YYZ - DLH
1 stop8h 38mUnited Airlines
Deal found 26/10C$ 910
Wed 10/124:24 p.m.DLH - YYZ
2 stops17h 59mDelta
Sat 13/126:30 a.m.YYZ - DLH
1 stop5h 50mDelta
Deal found 27/10C$ 929
Wed 10/122:57 p.m.DLH - YYZ
1 stop5h 24mUnited Airlines
Sat 13/122:15 p.m.YYZ - DLH
1 stop8h 44mUnited Airlines
Deal found 27/10C$ 945
Wed 10/125:00 a.m.DLH - YYZ
2 stops10h 24mDelta
Fri 12/126:30 a.m.YYZ - DLH
1 stop5h 50mDelta
Deal found 27/10C$ 959
Wed 10/125:00 a.m.DLH - YYZ
2 stops11h 08mDelta
Sun 14/125:15 p.m.YYZ - DLH
1 stop7h 44mDelta
Deal found 27/10C$ 970
Fri 12/122:57 p.m.DLH - YUL
1 stop18h 13mUnited Airlines
Fri 19/129:25 a.m.YUL - DLH
1 stop14h 30mUnited Airlines
Deal found 28/10C$ 1,072
Thu 6/114:10 p.m.DLH - YUL
1 stop6h 11mWestJet
Mon 10/117:10 a.m.YUL - DLH
1 stop5h 11mWestJet
Deal found 27/10C$ 1,182
Thu 6/113:06 p.m.DLH - YUL
2 stops15h 26mUnited Airlines
Mon 10/117:00 p.m.YUL - DLH
2 stops16h 38mUnited Airlines
Deal found 27/10C$ 1,206

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Ontario 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 29 October 2025.
Use the filters below to find and compare flights from Duluth to Ontario that are best for you.

Fly from

Duluth

Fly to

Ontario

Route

Depart

Return

Price

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Thu 23/4

3:14 p.m.-4:05 p.m.

1 stop23h 51m

Montreal Pierre Elliott Trudeau Intl

Sat 25/4

6:30 a.m.-9:57 p.m.

1 stop16h 27m

C$ 654

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Wed 18/3

11:26 a.m.-10:54 p.m.

1 stop10h 28m

Toronto Pearson Intl

Sat 21/3

12:05 p.m.-9:57 p.m.

1 stop10h 52m

C$ 728

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Thu 11/12

2:57 p.m.-4:39 p.m.

1 stop24h 42m

Toronto Pearson Intl

Sat 13/12

12:05 p.m.-9:59 p.m.

1 stop10h 54m

C$ 826

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Fri 12/12

2:57 p.m.-11:59 p.m.

1 stop8h 02m

Toronto Pearson Intl

Sat 13/12

2:15 p.m.-9:59 p.m.

1 stop8h 44m

C$ 868

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Wed 10/12

4:24 p.m.-11:23 a.m.

2 stops17h 59m

Toronto Pearson Intl

Sat 13/12

6:30 a.m.-11:20 a.m.

1 stop5h 50m

C$ 929

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Wed 10/12

4:24 p.m.-11:27 p.m.

1 stop6h 03m

Toronto Pearson Intl

Fri 12/12

5:15 p.m.-11:59 p.m.

1 stop7h 44m

C$ 945

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Wed 10/12

2:57 p.m.-9:21 p.m.

1 stop5h 24m

Toronto Pearson Intl

Sat 13/12

2:15 p.m.-9:59 p.m.

1 stop8h 44m

C$ 945

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Thu 11/12

7:55 a.m.-9:21 p.m.

1 stop12h 26m

Toronto Pearson Intl

Sun 14/12

9:00 a.m.-2:22 p.m.

1 stop6h 22m

C$ 952

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Fri 12/12

2:57 p.m.-11:59 p.m.

1 stop8h 02m

Toronto Pearson Intl

Sun 14/12

11:00 a.m.-2:22 p.m.

1 stop4h 22m

C$ 952

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Fri 12/12

2:57 p.m.-10:10 a.m.

1 stop18h 13m

Montreal Pierre Elliott Trudeau Intl

Fri 19/12

9:25 a.m.-10:55 p.m.

1 stop14h 30m

C$ 1,072

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 13 results
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Best time to book a flight from Duluth to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Duluth 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 Duluth to Ontario
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 Duluth to Ontario. 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 from for flights from Duluth to Ontario?

    If you book a flight to Ontario from Duluth, you will be flying from 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 Duluth to Region of Ontario?

    A quick flight from Duluth to Region of Ontario can take about 23h 51m. United Airlines provides one of the quickest options available for as low as C$ 654. Airlines will cover a distance of 1424 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Duluth to Ontario 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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Alternative routes for Duluth to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Yes, Cheapflights offers price alerts on Duluth to Ontario 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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