HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario to Duluth (ONT - DLH) from $364

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — DLH
Apr 28 — May 51
From?
To?
Sun 4/28
Sun 5/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

What is the cheapest month to fly from Ontario to Duluth?

August is one of the best times of the year to fly to Duluth from Ontario. Prices for August average $558 per person but you can even find prices for as low as $260. The most expensive prices can be found in the month of December. Opting for a August flight can save you 48% on your journey compared to booking in December

When is the cheapest time to fly from Ontario to Duluth (ONT - DLH)?

When flying from 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.

Cheap United Airlines flights from Ontario to Duluth

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Duluth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Ontario to Duluth. Be sure to come back soon if the deals available don't appeal to you at this time.
Mon 5/276:00 amONT - DLH
2 stops13h 33mUnited Airlines
Fri 5/3111:22 amDLH - ONT
2 stops11h 26mUnited Airlines
Deal found 4/22$1,202
Sun 6/306:25 pmONT - DLH
2 stops18h 07mUnited Airlines
Sat 7/68:05 amDLH - ONT
2 stops14h 43mUnited Airlines
Deal found 4/22$1,431

Cheap Delta flights from Ontario to Duluth

Explore cheap flight options specifically provided by Delta for the route between Ontario and Duluth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Browse through some of the cheapest Delta flights traveling from Ontario to Duluth. Check back soon if you're not seeing flights that suit your needs.
Sat 4/271:20 pmONT - DLH
2 stops7h 30mDelta
Wed 5/85:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$1,356
Sat 4/271:20 pmONT - DLH
2 stops7h 30mDelta
Sun 5/55:39 pmDLH - ONT
2 stops8h 20mDelta
Deal found 4/22$1,667

Cheap Ontario to Duluth flights in April & May 2024

Find cheap flight options from Ontario to Duluth specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 23, 2024.
The lowest fares we've come across on flights traveling from Ontario to Duluth in April and May 2024. Check back soon for alternative fares.
Tue 5/216:42 pmONT - DLH
2 stops13h 06mDelta
Fri 5/246:07 pmDLH - ONT
2 stops7h 36mDelta
Deal found 4/21$732
Fri 4/2611:20 amONT - DLH
2 stops9h 30mDelta
Mon 5/65:39 pmDLH - ONT
2 stops8h 20mDelta
Deal found 4/22$917
Tue 4/2311:20 amONT - DLH
2 stops9h 30mDelta
Sat 5/115:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$936
Fri 4/2611:20 amONT - DLH
2 stops9h 30mDelta
Sat 5/115:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$957
Mon 4/2211:20 amONT - DLH
2 stops9h 30mDelta
Mon 5/65:39 pmDLH - ONT
2 stops8h 20mDelta
Deal found 4/22$967
Mon 4/2211:20 amONT - DLH
2 stops9h 30mDelta
Wed 5/85:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$1,007
Tue 4/2311:20 amONT - DLH
2 stops9h 30mDelta
Wed 5/810:33 amDLH - ONT
2 stops9h 29mDelta
Deal found 4/22$1,017
Tue 4/2311:20 amONT - DLH
2 stops9h 30mDelta
Tue 5/75:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$1,117
Fri 4/2611:20 amONT - DLH
2 stops9h 30mDelta
Tue 5/75:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$1,138

Ontario to Duluth 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Duluth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
The lowest fares we've come across on flights traveling from Ontario to Duluth in April and May 2024. Check back soon for alternative fares.
Tue 5/216:42 pmONT - DLH
2 stops13h 06mDelta
Fri 5/246:07 pmDLH - ONT
2 stops7h 36mDelta
Deal found 4/21$732
Thu 8/155:20 amONT - DLH
2 stops14h 17mUnited Airlines
Tue 8/2011:14 amDLH - ONT
2 stops11h 48mUnited Airlines
Deal found 4/21$733
Fri 4/2611:20 amONT - DLH
2 stops9h 30mDelta
Mon 5/65:39 pmDLH - ONT
2 stops8h 20mDelta
Deal found 4/22$917
Tue 4/2311:20 amONT - DLH
2 stops9h 30mDelta
Sat 5/115:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$936
Fri 4/2611:20 amONT - DLH
2 stops9h 30mDelta
Wed 5/85:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$957
Mon 4/2211:20 amONT - DLH
2 stops9h 30mDelta
Mon 5/65:39 pmDLH - ONT
2 stops8h 20mDelta
Deal found 4/22$967
Mon 4/2211:20 amONT - DLH
2 stops9h 30mDelta
Sat 5/115:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$1,007
Tue 4/2311:20 amONT - DLH
2 stops9h 30mDelta
Wed 5/810:33 amDLH - ONT
2 stops9h 29mDelta
Deal found 4/22$1,017
Tue 4/2311:20 amONT - DLH
2 stops9h 30mDelta
Tue 5/75:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$1,117

Ontario to Duluth flights leaving soon

Find last-minute flight options from Ontario to Duluth for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Have a look at some of the last-minute flights available departing from Ontario to Duluth. Users should examine the flight details to ensure there are no surprises.
Sat 4/271:20 pmONT - DLH
2 stops7h 30mDelta
Wed 5/85:29 amDLH - ONT
2 stops10h 04mDelta
Deal found 4/22$1,356
Sat 4/271:20 pmONT - DLH
2 stops7h 30mDelta
Sun 5/55:39 pmDLH - ONT
2 stops8h 20mDelta
Deal found 4/22$1,667

One-way flights to Duluth from Ontario

Search for one-way flight options from Ontario to Duluth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
If you're seeking multiple options on one-way flights from Ontario to Duluth, be sure to check out these deals, which are updated often. For those needing a return trip from Ontario, there is a search form available above.
Mon 5/131:36 pmONT - DLH
2 stops22h 53mUnited Airlines
Deal found 4/22$364

Find flights from Ontario to Duluth within your budget

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 3,086,534 searches. Data last updated April 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,202 - $1,431

Route

Depart

Return

Price

OntarioDuluth Intl

ONT - DLH

ONTDLH

Ontario

Mon 5/27

2 stops13h 33m

Duluth Intl

Fri 5/31

2 stops11h 26m

$1,202

OntarioDuluth Intl

ONT - DLH

ONTDLH

Ontario

Sun 6/30

2 stops18h 07m

Duluth Intl

Sat 7/6

2 stops14h 43m

$1,431

Flights are sorted by cheapest first

Deals found on 4/22

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Duluth. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Duluth flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. 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 Duluth. Reviews last updated April 23, 2024.
Read through reviews of airlines operating flights from Ontario to Duluth, such as United Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
11,289 reviews
Check prices

Comfort

7.2

Overall

7.4

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

Everything was executed efficiently, orderly and with a caring and pleasant manner

United Airlines
7.4
Good
11,289 reviews
United Airlines
7.4
Good
11,289 reviews
Check prices

Comfort

7.2

Overall

7.4

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

Everything was executed efficiently, orderly and with a caring and pleasant manner

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.

  • Can I find flights from Ontario to Duluth for under $1,300 on Cheapflights?

    Yes, there are multiple flights from Ontario to Duluth for under $1,300. The cheapest flight booked recently is on United Airlines for just $1,202, but on average you can expect to pay $1,316.

  • Are there last-minute flights available from Ontario to Duluth for under $1,400?

    There are currently 2+ open flights from Ontario to Duluth within the next 7 days for less than $1,400.

  • What does ONT to DLH mean?

    Ontario Airport is ONT and Duluth Intl Airport is DLH. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Ontario to Duluth that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Duluth flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Duluth with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Duluth flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Ontario to Duluth that allow pets onboard?

    Many airlines flying from Ontario to Duluth offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Duluth?

    Yes, you can often find last-minute deals on Ontario to Duluth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Duluth flight deals updated?

    The Ontario to Duluth flight deals you see on this page were last updated on 4/22.

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 Ontario to Duluth
See prices for flight routes from nearby airports that may be better suited for you.

San Francisco to Minneapolis flights
Los Angeles to Minneapolis flights
San Diego to Minneapolis flights
Ontario to Minneapolis flights
Santa Ana to Minneapolis flights
San Jose to Minneapolis flights
Sacramento to Minneapolis flights
Oakland to Minneapolis flights
Burbank to Minneapolis flights
Fresno to Minneapolis flights
Reno to Minneapolis flights
Palm Springs to Minneapolis flights
Long Beach to Minneapolis flights
Monterey to Minneapolis flights
San Francisco to Rochester flights
Los Angeles to Duluth flights
Santa Barbara to Minneapolis flights
Los Angeles to Rochester flights
Redding to Minneapolis flights
San Diego to Rochester flights
San Luis Obispo to Minneapolis flights
Santa Rosa to Minneapolis flights
Yuma to Minneapolis flights
Sacramento to Bemidji flights
Ontario to Rochester flights
San Jose to Rochester flights
San Diego to Duluth flights
San Francisco to Duluth flights
Oakland to Duluth flights
Los Angeles to Bemidji flights
Bakersfield to Minneapolis flights
Los Angeles to Brainerd flights
San Diego to Bemidji flights
Santa Ana to Duluth flights
Santa Ana to Rochester flights
Sacramento to Duluth flights
Oakland to Bemidji flights
Arcata to Minneapolis flights
San Jose to Duluth flights
Oakland to Rochester flights
San Francisco to International Falls flights
Boston to West Palm Beach flights
Atlanta to Houston flights
Philadelphia to Dallas flights
Miami to Orlando flights
Los Angeles to London Heathrow Airport flights
Los Angeles to New Orleans flights
Indianapolis to New York flights
San Francisco to Vancouver flights
San Diego to Boston flights
Las Vegas to Hawaii flights
Detroit to Orlando flights
Ontario to Dalaman flights

Search flights from Ontario to Duluth by cabin class

Find flights from Ontario to Duluth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Bodø
Flights to Bar Harbor
Flights to Bastia Poretta
Flights to Dharamshala Kangra
Flights to Biarritz Parme
Flights to Menorca/Mahon
Flights to Milas–Bodrum
Flights to Dipolog
Flights to Kagoshima
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Ordu/Giresun
Flights to Chios
Flights to Argostoli Cephalonia
Flights to Barrow Wiley Post/W.Rogers
Flights to Kristiansand Kjevik
Flights to Zakynthos Dionsios Salomos
Flights to Batumi
Flights to Guilin
Flights to Pau Pyrénées
Flights to Fez Sais
Flights to Kos
Flights to Mytilene
Flights to Norwich Arpt

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 Ontario to Duluth?

When you search for this flight from Ontario to Duluth, 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 Ontario to Duluth?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Duluth.

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

Certainly. Search results for flights to Duluth from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Ontario to Duluth 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.
View all available airlines