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

For as low as $449, Delta can have you in Duluth from Region of Ontario in 6h. 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.

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

What is the cheapest time of day to fly from ON to DLH?

When flying from Region of Ontario to Duluth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$449+ Flights from Ontario to Duluth

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Cheap flight deals from Ontario to Duluth

Round-trip from	$449 (Delta)

From Ontario to Duluth Intl

Search Deals

Find 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 January 12, 2026.

Sat 2/216:30 amYYZ - DLH

1 stop6h 00mDelta

Wed 2/254:15 pmDLH - YYZ

1 stop5h 56mDelta

Deal found 1/10

$449

Tue 4/2812:55 pmYUL - DLH

2 stops10h 51mDelta

Fri 5/112:46 pmDLH - YUL

1 stop9h 40mDelta

Deal found 1/9

$451

Fri 2/206:30 amYYZ - DLH

1 stop6h 00mDelta

Mon 2/238:00 amDLH - YYZ

2 stops14h 57mDelta

Deal found 1/11

$472

Tue 4/286:35 pmYUL - DLH

2 stops16h 54mUnited Airlines

Fri 5/111:26 amDLH - YUL

2 stops11h 44mUnited Airlines

Deal found 1/9

$512

Sat 2/217:30 amYYZ - DLH

2 stops15h 29mUnited Airlines

Wed 2/2511:20 amDLH - YYZ

2 stops11h 26mUnited Airlines

Deal found 1/9

$564

Fri 2/2010:45 pmYYZ - DLH

2 stops37h 45mWestJet

Mon 2/238:00 amDLH - YYZ

2 stops23h 22mWestJet

Deal found 1/11

$802

Best flights from Ontario to Duluth
Discover carefully curated flight deals from Ontario to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 12, 2026.

Sat 2/216:30 amYYZ - DLH

1 stop6h 00mDelta

Wed 2/254:15 pmDLH - YYZ

1 stop5h 56mDelta

Deal found 1/9

$449

Tue 4/286:35 pmYUL - DLH

2 stops20h 52mUnited Airlines

Fri 5/17:53 amDLH - YUL

2 stops15h 17mUnited Airlines

Deal found 1/10

$451

Fri 2/2010:45 pmYYZ - DLH

2 stops37h 45mWestJet

Mon 2/238:00 amDLH - YYZ

2 stops23h 22mWestJet

Deal found 1/11

$802

Tue 4/2812:55 pmYUL - DLH

2 stops10h 51mDelta

Fri 5/112:46 pmDLH - YUL

1 stop9h 40mDelta

Deal found 1/9

$451

Fri 2/206:30 amYYZ - DLH

1 stop6h 00mDelta

Mon 2/238:00 amDLH - YYZ

2 stops14h 57mDelta

Deal found 1/11

$472

Sat 2/217:30 amYYZ - DLH

2 stops15h 29mUnited Airlines

Wed 2/2511:20 amDLH - YYZ

2 stops11h 26mUnited Airlines

Deal found 1/9

$564

Last-minute flights from Ontario to Duluth
Discover last-minute flight deals from Ontario to Duluth. Data last updated January 12, 2026 and is based on user searches.

Fri 2/206:30 amYYZ - DLH

1 stop6h 00mDelta

Mon 2/238:00 amDLH - YYZ

2 stops14h 57mDelta

Deal found 1/11

$472

Fri 2/2010:45 pmYYZ - DLH

2 stops37h 45mWestJet

Mon 2/238:00 amDLH - YYZ

2 stops23h 22mWestJet

Deal found 1/11

$802

Sat 2/216:30 amYYZ - DLH

1 stop6h 00mDelta

Wed 2/254:15 pmDLH - YYZ

1 stop5h 56mDelta

Deal found 1/10

$449

Sat 2/217:30 amYYZ - DLH

2 stops15h 29mUnited Airlines

Wed 2/2511:20 amDLH - YYZ

2 stops11h 26mUnited Airlines

Deal found 1/9

$564

Fly from

Fly to

Route

Depart

Return

Price

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Sat 2/21

6:30 am-11:30 am

1 stop6h 00m

Duluth Intl

Wed 2/25

4:15 pm-11:11 pm

1 stop5h 56m

$449

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Tue 4/28

6:35 pm-2:27 pm

2 stops20h 52m

Duluth Intl

Fri 5/1

7:53 am-12:10 am

2 stops15h 17m

$451

MontrealDuluth

YUL - DLH

YULDLH

Montreal Pierre Elliott Trudeau Intl

Tue 4/28

12:55 pm-10:46 pm

2 stops10h 51m

Duluth Intl

Fri 5/1

12:46 pm-11:26 pm

1 stop9h 40m

$451

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Fri 2/20

6:30 am-11:30 am

1 stop6h 00m

Duluth Intl

Mon 2/23

8:00 am-11:57 pm

2 stops14h 57m

$472

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Sat 2/21

7:30 am-9:59 pm

2 stops15h 29m

Duluth Intl

Wed 2/25

11:20 am-11:46 pm

2 stops11h 26m

$564

TorontoDuluth

YYZ - DLH

YYZDLH

Toronto Pearson Intl

Fri 2/20

10:45 pm-11:30 am

2 stops37h 45m

Duluth Intl

Mon 2/23

8:00 am-8:22 am

2 stops23h 22m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

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

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 $449, Delta can have you in Duluth from Region of Ontario in 6h. 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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$449+ Cheap flights from Ontario to Duluth (DLH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Duluth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Duluth

Keep the following information in mind while searching for Ontario to Duluth flight deals. Data was last updated January 12, 2026.

Round-trip from

Find flight deals from Ontario to Duluth

Cheapest flights from Ontario to DuluthExplore 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 January 12, 2026.

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 January 12, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Duluth that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Duluth

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?

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

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

How can I find direct flights from Ontario to Duluth?

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

Traveling to a place near Duluth?

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Alternative routes for Ontario to Duluth

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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 January 12, 2026.