Which airports can I use when flying from Ontario to Duluth?

Flights from Ontario to Duluth usually depart from Ontario (ONT) and arrive at Duluth Intl (DLH).

Which airports do connecting flights from Ontario to Duluth pass through?

Most connecting flights from Ontario to Duluth pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Ontario to Duluth?

Yes. Flexible dates can save you up to 64% on flights from Ontario to Duluth. Wednesday is the cheapest departure day at $613 round-trip on average, while Tuesday is the most expensive at $1,678, a difference of $1,065. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Ontario to Duluth?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Ontario to Duluth changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $524 to $1,212. That means the highest observed fare was about 2x higher than the lowest one.

What is the time difference between Ontario and Duluth?

Duluth is 2 hours ahead of Ontario (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Duluth Intl Airport (DLH)?

Duluth Intl Airport (DLH) hosts 5 major car rental companies, with daily rates averaging $70 for economy cars. Top options include: • Avis • Alamo • Budget • Enterprise Rent-A-Car • National

How much should I expect to pay for a Ontario to Duluth flight?

Round-trip flights from Ontario to Duluth range from $385 to $1,678, with an average of $1,678 over the past 12 months. Anything below $385 counts as a good deal.

How much is a round-trip flight from Ontario to Duluth?

Round-trip flights from Ontario to Duluth typically range from $385 to $1,678. The lowest price found in the past 5 days was $524, on United Airlines.

Which airline is the cheapest to fly from Ontario to Duluth?

United Airlines ($524) offered the cheapest round-trip ticket from Ontario to Duluth in the last 5 days.

What is the cheapest layover airport when flying from Ontario to Duluth?

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $429. Based on KAYAK data over the past 3 months.

When flying from Ontario to Duluth which airport offers the shortest layover?

Chicago O'Hare Intl (ORD) had the shortest average connection time for Ontario to Duluth layovers at 6h 07m over the past 3 months.

$524 CHEAP FLIGHTS from Ontario to Duluth (ONT - DLH)

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Cheapest round-trip

$524

Typical prices: $385-$1,678

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Wed 12/5Sat 12/8

ONT - DLH • 1 stop

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Flight Deals

Cheap Flights from Ontario to Duluth (ONT-DLH)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Duluth

Sat, Dec 5 - Tue, Dec 8

7:00 am - 6:10 pmONT Ontario-DLH Duluth Intl

9h 10m1 stop Chicago O'Hare Intl

7:00 am - 5:36 pmDLH Duluth Intl-ONT Ontario

12h 36m2 stops Chicago O'Hare Intl San Francisco

$524United Airlines

Sat, Dec 5 - Tue, Dec 8

6:00 am - 6:10 pmONT Ontario-DLH Duluth Intl

10h 10m2 stops San Francisco Chicago O'Hare Intl

11:00 am - 9:11 pmDLH Duluth Intl-ONT Ontario

12h 11m2 stops Chicago O'Hare Intl Denver Intl

$529United Airlines

Tue, Feb 2 - Sat, Feb 6

7:25 am - 11:28 pmONT Ontario-DLH Duluth Intl

14h 03m2 stops San Francisco Chicago O'Hare Intl

11:30 am - 6:50 pmDLH Duluth Intl-ONT Ontario

9h 20m1 stop Chicago O'Hare Intl

$559United Airlines

Sat, Dec 5 - Tue, Dec 8

7:00 am - 6:10 pmONT Ontario-DLH Duluth Intl

9h 10m1 stop Chicago O'Hare Intl

11:00 am - 6:44 pmDLH Duluth Intl-ONT Ontario

9h 44m1 stop Chicago O'Hare Intl

$592United Airlines

Mon, Nov 23 - Fri, Nov 27

6:37 pm - 10:41 amONT Ontario-DLH Duluth Intl

14h 04m2 stops San Francisco Chicago O'Hare Intl

6:23 am - 5:56 pmDLH Duluth Intl-ONT Ontario

13h 33m2 stops Chicago O'Hare Intl San Francisco

$729United Airlines

Sun, Jan 3 - Tue, Jan 12

6:27 pm - 2:47 pmONT Ontario-DLH Duluth Intl

18h 20m2 stops San Francisco Chicago O'Hare Intl

11:30 am - 8:01 pmDLH Duluth Intl-ONT Ontario

10h 31m2 stops Chicago O'Hare Intl San Francisco

$802United Airlines

Wed, Nov 25 - Fri, Nov 27

6:37 pm - 10:42 amONT Ontario-DLH Duluth Intl

14h 05m2 stops San Francisco Chicago O'Hare Intl

6:23 am - 5:56 pmDLH Duluth Intl-ONT Ontario

13h 33m2 stops Chicago O'Hare Intl San Francisco

$814United Airlines

Wed, Nov 25 - Fri, Nov 27

7:00 am - 10:42 amONT Ontario-DLH Duluth Intl

25h 42m1 stop Chicago O'Hare Intl

6:23 am - 5:56 pmDLH Duluth Intl-ONT Ontario

13h 33m2 stops Chicago O'Hare Intl San Francisco

$867United Airlines

Tue, Dec 8 - Fri, Dec 18

5:00 am - 6:10 pmONT Ontario-DLH Duluth Intl

11h 10m2 stops Denver Intl Chicago O'Hare Intl

3:22 pm - 10:36 pmDLH Duluth Intl-ONT Ontario

9h 14m1 stop Chicago O'Hare Intl

$897United Airlines

Mon, Nov 23 - Fri, Nov 27

6:37 pm - 10:41 amONT Ontario-DLH Duluth Intl

14h 04m2 stops San Francisco Chicago O'Hare Intl

6:23 am - 6:47 pmDLH Duluth Intl-ONT Ontario

14h 24m1 stop Chicago O'Hare Intl

$902United Airlines

Booking Insights

Price, demand and travel trends for Ontario to Duluth flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

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Layovers

How much is a round-trip flight from Ontario to Duluth? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Duluth departing in december.

Find deals

Cheapest flight	$524

Round-trip flight from Ontario to Duluth

When to book flights from Ontario to Duluth

Are your dates flexible? Find out the best times to travel from Ontario to Duluth based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Do I need a passport to fly from Ontario to Duluth?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Ontario to Duluth flight?
Round-trip flights from Ontario to Duluth range from $385 to $1,678, with an average of $1,678 over the past 12 months. Anything below $385 counts as a good deal.
Have flight prices from Ontario to Duluth changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $524 to $1,212. That means the highest observed fare was about 2x higher than the lowest one.
What car rental options are available at Duluth Intl Airport (DLH)?
Duluth Intl Airport (DLH) hosts 5 major car rental companies, with daily rates averaging $70 for economy cars. Top options include:

• Avis
• Alamo
• Budget
• Enterprise Rent-A-Car
• National
Which airports can I use when flying from Ontario to Duluth?
Flights from Ontario to Duluth usually depart from Ontario (ONT) and arrive at Duluth Intl (DLH).
Which airports do connecting flights from Ontario to Duluth pass through?
Most connecting flights from Ontario to Duluth pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Ontario to Duluth?
Yes. Flexible dates can save you up to 64% on flights from Ontario to Duluth. Wednesday is the cheapest departure day at $613 round-trip on average, while Tuesday is the most expensive at $1,678, a difference of $1,065.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Ontario and Duluth?
Duluth is 2 hours ahead of Ontario (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Tuesday. On this route, Wednesday flights average $613, about $1,065 less than Tuesday fares (63% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Duluth Intl Airport.

• Country Inn & Suites by Radisson, Duluth North, MN

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Everything you should know

Cheap Flights from Ontario to Duluth (ONT-DLH)

Recent round-trip flight deals from Ontario to Duluth

Recent one-way flight deals from Ontario to Duluth

Recent last minute flight deals from Ontario to Duluth

Price, demand and travel trends for Ontario to Duluth flights

How much is a round-trip flight from Ontario to Duluth?

Which airline is the cheapest to fly from Ontario to Duluth?

What is the cheapest layover airport when flying from Ontario to Duluth?

When flying from Ontario to Duluth which airport offers the shortest layover?

Key details for Ontario to Duluth flights

Cheapest flight

When to book flights from Ontario to Duluth

Your Ontario to Duluth flight questions, answered

Your guide to booking Ontario to Duluth flights

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