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Duluth

$365+ Cheap flights from Ontario to Duluth (DLH)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DLH
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
1 adult, Economy
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Cheap flight deals from Ontario to Duluth

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 August 9, 2026.

This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:00 am -
1 stop13h 22m
Wed 10/217:45 am -
1 stop8h 16m
Deal found 8/3$588
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:40 am -
2 stops14h 11m
Tue 12/85:04 am -
2 stops12h 50m
Deal found 8/5$596
This United deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:25 pm -
1 stop11h 57m
Sat 9/126:32 pm -
1 stop16h 17m
Deal found 8/7$620
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:44 am -
2 stops14h 26m
Mon 9/146:24 pm -
1 stop17h 16m
Deal found 8/4$626
This FlightHub deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:30 am -
1 stop10h 11m
Fri 10/307:00 am -
1 stop3h 59m
Deal found 8/6$648
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:10 pm -
1 stop10h 54m
Tue 12/83:14 pm -
1 stop26h 43m
Deal found 8/4$655
This FlightHub deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:34 pm -
1 stop21h 07m
Sat 10/314:21 pm -
1 stop19h 38m
Deal found 8/6$655
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:55 am -
2 stops16h 02m
Sat 10/314:21 pm -
2 stops5h 35m
Deal found 8/6$659
This Kissandfly.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:50 am -
1 stop15h 32m
Mon 11/23:06 pm -
1 stop5h 09m
Deal found 8/7$665
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:30 am -
1 stop6h 14m
Wed 10/215:14 am -
2 stops17h 15m
Deal found 8/6$669
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:45 am -
1 stop4h 56m
Sat 10/3111:16 am -
1 stop6h 29m
Deal found 8/6$671
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:00 am -
2 stops17h 18m
Mon 12/213:25 pm -
2 stops24h 15m
Deal found 8/6$817

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 August 9, 2026.

Round-trip from

$540
(Delta)

One-way from

$365
(United Airlines)
From Ontario to Duluth Intl
Search Deals
One-way flight from Ontario to Duluth Intl
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 2,558,603 searches. Data last updated August 9, 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 Toronto Pearson Intl - DLH Duluth Intl

YYZDLH

Toronto Pearson Intl

Sat 1/30

10:20 am-10:48 pm

2 stops13h 28m

Duluth Intl

Tue 2/2

5:10 am-11:13 pm

2 stops17h 03m

$540

TorontoDuluth

YYZ Toronto Pearson Intl - DLH Duluth Intl

YYZDLH

Toronto Pearson Intl

Sat 10/17

11:00 am-11:22 pm

1 stop13h 22m

Duluth Intl

Wed 10/21

7:45 am-5:01 pm

1 stop8h 16m

$588

MontrealDuluth

YUL Montreal Pierre Elliott Trudeau Intl - DLH Duluth Intl

YULDLH

Montreal Pierre Elliott Trudeau Intl

Sat 12/5

9:40 am-10:51 pm

2 stops14h 11m

Duluth Intl

Tue 12/8

5:04 am-6:54 pm

2 stops12h 50m

$596
Quickest round-trip

MontrealDuluth

YUL Montreal Pierre Elliott Trudeau Intl - DLH Duluth Intl

YULDLH

Montreal Pierre Elliott Trudeau Intl

Sat 1/23

7:00 am-11:15 am

1 stop5h 15m

Duluth Intl

Tue 1/26

5:10 am-6:50 pm

2 stops12h 40m

$607

TorontoDuluth

YYZ Toronto Pearson Intl - DLH Duluth Intl

YYZDLH

Toronto Pearson Intl

Thu 9/10

9:44 am-11:10 pm

2 stops14h 26m

Duluth Intl

Mon 9/14

6:24 pm-12:40 pm

1 stop17h 16m

$626

MontrealDuluth

YUL Montreal Pierre Elliott Trudeau Intl - DLH Duluth Intl

YULDLH

Montreal Pierre Elliott Trudeau Intl

Sat 12/5

1:10 pm-11:04 pm

1 stop10h 54m

Duluth Intl

Tue 12/8

3:14 pm-6:57 pm

1 stop26h 43m

$655

TorontoDuluth

YYZ Toronto Pearson Intl - DLH Duluth Intl

YYZDLH

Toronto Pearson Intl

Wed 10/28

7:55 am-10:57 pm

2 stops16h 02m

Duluth Intl

Sat 10/31

7:00 am-11:59 am

1 stop3h 59m

$659

TorontoDuluth

YYZ Toronto Pearson Intl - DLH Duluth Intl

YYZDLH

Toronto Pearson Intl

Tue 9/22

10:15 am-5:48 pm

1 stop8h 33m

Duluth Intl

Tue 9/29

7:45 am-6:31 pm

1 stop9h 46m

$660

TorontoDuluth

YYZ Toronto Pearson Intl - DLH Duluth Intl

YYZDLH

Toronto Pearson Intl

Wed 10/28

7:40 pm-10:41 am

2 stops16h 01m

Duluth Intl

Fri 10/30

7:00 am-11:52 pm

2 stops15h 52m

$671
Cheapest one-way

TorontoDuluth

YYZ Toronto Pearson Intl - DLH Duluth Intl

YYZDLH

Toronto Pearson Intl

Tue 9/15

10:45 am-11:10 pm

2 stops13h 25m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

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?

    Located just 5.8 mi from the city center, Duluth Intl (DLH) is the airport most travelers will use when flying to Duluth from Ontario.

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

    For as low as $588, Delta can have you in Duluth from Region of Ontario in 13h 22m. The distance between Region of Ontario and Duluth is about 648 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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