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$239+ Cheap flights from Duluth (DLH) to Ontario

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — YYZ
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$578
(Delta)

One-way from

$239
(Kiwi.com)
Provider with most accurate pricing for Duluth Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Duluth Intl-Toronto (YTO) flights.
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From Duluth Intl to Ontario
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One-way flight from Duluth Intl to Ontario
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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 marzo 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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.
jue. 4/175:10 amDLH - YYZ
1 stop5h 49mDelta
lun. 4/217:21 pmYYZ - DLH
1 stop4h 21mDelta
Deal found 3/27$578
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/76:55 pmDLH - YYZ
1 stop19h 08mMultiple Airlines
mié. 4/911:00 pmYYZ - DLH
2 stops43h 59mMultiple Airlines
Deal found 3/26$626
This Delta deal was found by Cheapflights users on 3/25. 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.
lun. 8/46:15 pmDLH - YUL
1 stop4h 03mDelta
jue. 8/77:00 amYUL - DLH
2 stops11h 35mDelta
Deal found 3/25$698
This United Airlines deal was found by Cheapflights users on 3/26. 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.
mar. 4/83:05 pmDLH - YYZ
2 stops7h 49mUnited Airlines
mié. 4/97:00 amYYZ - DLH
1 stop4h 42mUnited Airlines
Deal found 3/26$706
This United deal was found by Cheapflights users on 3/26. 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.
jue. 6/1211:27 amDLH - YUL
1 stop22h 13mUnited Airlines
lun. 6/168:20 amYUL - DLH
1 stop27h 32mUnited Airlines
Deal found 3/26$1,306

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 2,558,603 searches. Data last updated marzo 28, 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

jue. 4/17

5:10 am-11:59 am

1 stop5h 49m

Toronto Pearson Intl

lun. 4/21

7:21 pm-10:42 pm

1 stop4h 21m

$578

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

lun. 4/7

6:55 pm-3:03 pm

1 stop19h 08m

Toronto Pearson Intl

mié. 4/9

11:00 pm-5:59 pm

2 stops43h 59m

$626

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

lun. 8/4

6:15 pm-11:18 pm

1 stop4h 03m

Montreal Pierre Elliott Trudeau Intl

jue. 8/7

7:00 am-5:35 pm

2 stops11h 35m

$698

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

mar. 4/8

3:05 pm-11:54 pm

2 stops7h 49m

Toronto Pearson Intl

mié. 4/9

7:00 am-10:42 am

1 stop4h 42m

$706

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

jue. 6/12

11:27 am-10:40 am

1 stop22h 13m

Montreal Pierre Elliott Trudeau Intl

lun. 6/16

8:20 am-10:52 am

1 stop27h 32m

$1,306

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

lun. 4/7

6:55 pm-7:40 am

2 stops35h 45m

$239

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

lun. 4/7

3:05 pm-8:44 pm

1 stop4h 39m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 marzo 28, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Duluth to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    For a flight from Duluth to Ontario, you will be flying from Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city.

  • 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 $243). Flying from Duluth to Region of Ontario in July is currently the most expensive (average of $359). 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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