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Cheap flights from Duluth to Ontario from C$ 385

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — YYZ
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 772

One-way from

C$ 385
United Airlines
  • United Airlines
  • 6/10-14/10
  • 2 total stops
  • 27h 58m total
  • Duluth to Ontario
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Delta
  • Delta
  • 25/2
  • 1 total stop
  • 6h 55m total
  • Duluth to Ontario
Search Deals

Find flight deals from Duluth to Ontario

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 11 September 2025.

Mon 6/109:45 a.m.DLH - YYZ
1 stop13h 13mUnited Airlines
Tue 14/109:00 p.m.YYZ - DLH
1 stop14h 45mUnited Airlines
Deal found 9/9C$ 772
Sat 25/104:10 p.m.DLH - YUL
1 stop6h 11mDelta
Sat 1/117:00 a.m.YUL - DLH
1 stop5h 22mDelta
Deal found 9/9C$ 813
Mon 6/104:10 p.m.DLH - YYZ
1 stop6h 08mDelta
Tue 14/107:24 p.m.YYZ - DLH
1 stop5h 18mDelta
Deal found 11/9C$ 863
Sat 25/103:07 p.m.DLH - YUL
2 stops19h 59mUnited Airlines
Sat 1/118:20 a.m.YUL - DLH
2 stops14h 39mUnited Airlines
Deal found 10/9C$ 916
Fri 19/94:20 p.m.DLH - YYZ
2 stops29h 20mDelta
Tue 23/97:21 p.m.YYZ - DLH
1 stop4h 22mDelta
Deal found 9/9C$ 980
Sun 21/94:20 p.m.DLH - YYZ
2 stops17h 59mDelta
Sat 27/96:00 a.m.YYZ - DLH
1 stop5h 02mDelta
Deal found 9/9C$ 1,028
Fri 19/99:45 a.m.DLH - YYZ
1 stop8h 52mUnited Airlines
Tue 23/97:00 a.m.YYZ - DLH
1 stop4h 45mUnited Airlines
Deal found 9/9C$ 1,181
Sat 13/98:00 a.m.DLH - YUL
1 stop12h 29mUnited Airlines
Sun 14/99:45 a.m.YUL - DLH
1 stop5h 50mUnited Airlines
Deal found 11/9C$ 1,389
Fri 12/95:10 a.m.DLH - YUL
2 stops11h 40mDelta
Mon 15/96:45 a.m.YUL - DLH
2 stops9h 55mDelta
Deal found 11/9C$ 1,451

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 11 September 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

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Mon 6/10

9:45 a.m.-11:58 p.m.

1 stop13h 13m

Toronto Pearson Intl

Tue 14/10

9:00 p.m.-10:45 a.m.

1 stop14h 45m

C$ 772

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Sat 25/10

4:10 p.m.-11:21 p.m.

1 stop6h 11m

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

7:00 a.m.-11:22 a.m.

1 stop5h 22m

C$ 813

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Mon 6/10

4:10 p.m.-11:18 p.m.

1 stop6h 08m

Toronto Pearson Intl

Tue 14/10

6:20 a.m.-11:22 a.m.

1 stop6h 02m

C$ 863

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Sat 25/10

3:07 p.m.-12:06 p.m.

2 stops19h 59m

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

8:20 a.m.-9:59 p.m.

2 stops14h 39m

C$ 916

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Sun 21/9

4:20 p.m.-11:19 a.m.

2 stops17h 59m

Toronto Pearson Intl

Sat 27/9

6:00 a.m.-10:02 a.m.

1 stop5h 02m

C$ 1,028

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Sun 21/9

7:50 a.m.-12:22 a.m.

2 stops15h 32m

Toronto Pearson Intl

Sat 27/9

8:00 a.m.-7:13 p.m.

2 stops12h 13m

C$ 2,036

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Wed 25/2

8:05 a.m.-4:00 p.m.

1 stop6h 55m

C$ 385

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Sun 26/10

11:14 a.m.-3:57 p.m.

1 stop27h 43m

C$ 550

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 6h 11m. United Airlines provides one of the quickest options available for as low as C$ 813. Airlines will cover a distance of 1424 km. This flight may include one or multiple stops.

  • 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.

  • What is the cheapest month to book a flight from Duluth to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Duluth to Region of Ontario (average of C$ 168). Flying from Duluth to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

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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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When you search for this flight from Duluth to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight 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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