Find flights
When to book
Airlines
FAQs

Cheap flights from Duluth to Ontario from C$ 561

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — YYZ
4 Aug — 11 Aug1
1 adult

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 30 July 2025.

Round-trip from

C$ 814

One-way from

C$ 561
Delta
  • Delta
  • 13/9-20/9
  • 3 total stops
  • 18h 42m total
  • Duluth to Ontario
Search Deals
Delta
  • Delta
  • 15/8
  • 1 total stop
  • 6h 12m 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 30 July 2025.

Sat 13/98:00 a.m.DLH - YYZ
1 stop7h 43mUnited Airlines
Sat 20/911:00 a.m.YYZ - DLH
1 stop12h 05mUnited Airlines
Deal found 30/7C$ 786
Sat 13/94:19 p.m.DLH - YUL
1 stop5h 59mDelta
Sat 20/911:00 a.m.YUL - DLH
2 stops12h 43mDelta
Deal found 30/7C$ 814
Fri 12/94:20 p.m.DLH - YYZ
1 stop6h 00mDelta
Fri 19/96:00 a.m.YYZ - DLH
1 stop5h 07mDelta
Deal found 29/7C$ 830
Tue 12/83:03 p.m.DLH - YUL
1 stop19h 55mUnited Airlines
Tue 19/88:20 a.m.YUL - DLH
1 stop14h 45mUnited Airlines
Deal found 30/7C$ 1,381
Thu 31/76:13 p.m.DLH - YYZ
1 stop21h 31mMultiple Airlines
Fri 8/810:05 a.m.YYZ - DLH
2 stops12h 55mMultiple Airlines
Deal found 30/7C$ 1,730
Fri 12/97:50 a.m.DLH - YYZ
2 stops15h 41mWestJet
Fri 19/97:00 p.m.YYZ - DLH
2 stops28h 43mWestJet
Deal found 29/7C$ 2,097

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 30 July 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

Sat 13/9

8:00 a.m.-4:43 p.m.

1 stop7h 43m

Toronto Pearson Intl

Sat 20/9

11:00 a.m.-10:05 p.m.

1 stop12h 05m

C$ 786

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Sat 13/9

4:19 p.m.-11:18 p.m.

1 stop5h 59m

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

11:00 a.m.-10:43 p.m.

2 stops12h 43m

C$ 814

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Fri 12/9

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

1 stop6h 00m

Toronto Pearson Intl

Fri 19/9

6:00 a.m.-10:07 a.m.

1 stop5h 07m

C$ 830

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Fri 12/9

7:50 a.m.-12:31 a.m.

2 stops15h 41m

Toronto Pearson Intl

Fri 19/9

7:00 p.m.-10:43 p.m.

2 stops28h 43m

C$ 2,097

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Fri 15/8

4:19 p.m.-11:31 p.m.

1 stop6h 12m

C$ 561

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Fri 15/8

10:55 a.m.-11:53 p.m.

2 stops11h 58m

C$ 570

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Thu 28/8

8:00 a.m.-6:57 p.m.

2 stops9h 57m

C$ 621

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Fri 15/8

5:10 a.m.-9:40 a.m.

3 stops27h 30m

C$ 844

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 30 July 2025.
Read through reviews of airlines operating flights from Duluth to Ontario, such as Delta,United Airlines, andWestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,975 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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$ 167). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Duluth to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Minneapolis to Pearson Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Minneapolis to Vancouver Intl flights
Minneapolis to Calgary flights
Minneapolis to Winnipeg flights
Minneapolis to Québec City flights
Minneapolis to Saskatoon flights
Minneapolis to Halifax flights
Minneapolis to Victoria flights
Minneapolis to Ottawa flights
Minneapolis to St. John's flights
Minneapolis to Hamilton flights
Minneapolis to Edmonton flights
Minneapolis to Abbotsford flights
Minneapolis to Regina flights
Fargo to Winnipeg flights
Rochester to Pierre Elliott Trudeau Intl flights
Fargo to Pierre Elliott Trudeau Intl flights
Sioux Falls to Edmonton flights
Sioux Falls to Pearson Intl flights
Minneapolis to Kelowna flights
Fargo to Pearson Intl flights
Minneapolis to Sydney flights
Duluth to Pearson Intl flights
Duluth to Winnipeg flights
Duluth to Pierre Elliott Trudeau Intl flights
Minneapolis to Prince George flights
Minneapolis to London flights
Rochester to Pearson Intl flights
Sioux Falls to Vancouver Intl flights
La Crosse to Halifax flights
International Falls to Calgary flights
International Falls to Winnipeg flights
Sioux Falls to Pierre Elliott Trudeau Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Duluth to Ontario?

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.

Why should you use Cheapflights to find cheap flight tickets from Duluth to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Duluth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Duluth to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Duluth to Ontario become cheaper?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.