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Flights from Duluth to Ontario
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Find Duluth to Ontario flights starting at CAD 664.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • DLH07:45
        11h 41m
        1 stop
        ONT17:26
        Wed, Jan 1|Duluth - Ontario|United Airlines
        CAD 664CAD 1,325
        50% OFF
        50% OFF
        CAD 1,325CAD 664

        Choose United Airlines flights from Duluth to Ontario. The one-way connecting flight with United Airlines departs from Duluth International Airport on Wed, Jan 1, arriving at Ontario International Airport. One-way Prices start from CAD 664 including taxes and charges.

      • DLH07:45
        11h 41m
        1 stop
        ONT17:26
        Thu, Dec 26|Duluth - Ontario|United Airlines
        CAD 791CAD 1,325
        40% OFF
        40% OFF
        CAD 1,325CAD 791

        Choose United Airlines flights from Duluth to Ontario. The one-way connecting flight with United Airlines departs from Duluth International Airport on Thu, Dec 26, arriving at Ontario International Airport. One-way Prices start from CAD 791 including taxes and charges.

      • DLH07:45
        11h 41m
        1 stop
        ONT17:26
        Sun, Dec 29|Duluth - Ontario|United Airlines
        CAD 793CAD 1,325
        40% OFF
        40% OFF
        CAD 1,325CAD 793

        Choose United Airlines flights from Duluth to Ontario. The one-way connecting flight with United Airlines departs from Duluth International Airport on Sun, Dec 29, arriving at Ontario International Airport. One-way Prices start from CAD 793 including taxes and charges.

      • DLH15:08
        28h 18m
        1 stop
        ONT17:26
        Sat, Dec 28|Duluth - Ontario|United Airlines
        CAD 1,014
        CAD 1,014

        Choose United Airlines flights from Duluth to Ontario. The one-way connecting flight with United Airlines departs from Duluth International Airport on Sat, Dec 28, arriving at Ontario International Airport. One-way Prices start from CAD 1,014 including taxes and charges.

      • DLH07:45
        11h 41m
        1 stop
        ONT17:26
        Fri, Dec 27|Duluth - Ontario|United Airlines
        CAD 1,021
        CAD 1,021

        Choose United Airlines flights from Duluth to Ontario. The one-way connecting flight with United Airlines departs from Duluth International Airport on Fri, Dec 27, arriving at Ontario International Airport. One-way Prices start from CAD 1,021 including taxes and charges.

      • DLH01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Thu, Dec 26|Duluth - Ontario|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Duluth to Ontario?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find Cheapest Airlines Flying from Duluth to Ontario

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Delta Air Lines
From CAD 247
United Airlines
From CAD 257

Find more flights and airlines

Alternative Routes for Duluth to Ontario Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Duluth to Ontario.

  • Cheapest
    Delta Air Lines
    DLH
    14:34
    11h 19m
    2 transfer
    ONT
    23:53
    Duluth International Airport - Ontario International Airport
    Tue, Jan 14Delta Air Lines
    CAD 247
  • Delta Air Lines
    DLH
    14:34
    11h 19m
    2 transfer
    ONT
    23:53
    Duluth International Airport - Ontario International Airport
    Tue, Jan 14Delta Air Lines
    CAD 247
    Find More Flights

FAQ

  • When are flight tickets from Duluth (DLH) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Duluth to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Duluth (DLH) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around CAD 546.

How to find a cheap flight from Duluth to Ontario

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Duluth to Ontario. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information for Duluth to Ontario Flights

Cheapest direct flight priceCAD 663
Off-season travel monthOctober
Peak season for travelNovember
Flight distance10,174.36km
Popular airlineDelta Air Lines

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