$164 Cheap Flights from Portland (PDX) to Duluth (DLH)

View $164 flight on Mon, Dec 15, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Duluth, MN (DLH-Duluth Intl.)

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Cheap Flights from Portland to Duluth (PDX-DLH)

Prices were available within the past 7 days and start at $164 for one-way flights and $292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Dec 15 - Sun, Dec 21
PDX
Portland
DLH
Duluth
$292 Roundtrip, found 12 hours ago
$292
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Dec 15 from Portland to Duluth, returning Sun, Dec 21, priced at $292 found 12 hours ago
Delta
Tue, Jan 13 - Wed, Jan 21
PDX
Portland
DLH
Duluth
$302 Roundtrip, found 4 days ago
$302
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 13 from Portland to Duluth, returning Wed, Jan 21, priced at $302 found 4 days ago
Delta
Fri, Nov 21 - Sat, Nov 22
PDX
Portland
DLH
Duluth
$308 Roundtrip, found 4 days ago
$308
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 21 from Portland to Duluth, returning Sat, Nov 22, priced at $308 found 4 days ago
Delta
Thu, Dec 25 - Tue, Jan 6
PDX
Portland
DLH
Duluth
$313 Roundtrip, found 5 days ago
$313
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Dec 25 from Portland to Duluth, returning Tue, Jan 6, priced at $313 found 5 days ago
Delta
Wed, Dec 3 - Sat, Dec 13
PDX
Portland
DLH
Duluth
$323 Roundtrip, found 14 hours ago
$323
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, Dec 3 from Portland to Duluth, returning Sat, Dec 13, priced at $323 found 14 hours ago
Delta
Wed, Dec 3 - Sun, Dec 7
PDX
Portland
DLH
Duluth
$328 Roundtrip, found 14 hours ago
$328
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, Dec 3 from Portland to Duluth, returning Sun, Dec 7, priced at $328 found 14 hours ago
Delta
Mon, Dec 15 - Sun, Dec 21
PDX
Portland
DLH
Duluth
$332 Roundtrip, found 12 hours ago
$332
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Dec 15 from Portland to Duluth, returning Sun, Dec 21, priced at $332 found 12 hours ago
United
Wed, Nov 26 - Tue, Dec 9
PDX
Portland
DLH
Duluth
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 26 from Portland to Duluth, returning Tue, Dec 9, priced at $338 found 1 day ago
Delta
Sat, Jan 17 - Wed, Jan 21
PDX
Portland
DLH
Duluth
$341 Roundtrip, found 4 days ago
$341
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jan 17 from Portland to Duluth, returning Wed, Jan 21, priced at $341 found 4 days ago
Sun Country Airlines
Wed, Nov 26 - Mon, Dec 1
PDX
Portland
DLH
Duluth
$356 Roundtrip, found 23 hours ago
$356
Roundtrip
found 23 hours ago
Select Sun Country Airlines flight, departing Wed, Nov 26 from Portland to Duluth, returning Mon, Dec 1, priced at $356 found 23 hours ago

Find the cheapest month to fly from Portland (PDX) to Duluth (DLH)

December is typically the cheapest month to fly

From $222 - $862 per traveler.

Alternative airports near Duluth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $492
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $492

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH) cost?
Get a cheap one-way flight from $164 or cheap return flight from $292 from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH)?
December is the most affordable month to fly from PDX to DLH. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH)?
To find the cheapest airline flying from PDX to DLH, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH)?
You'll have to hop on a flight with a layover when traveling from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from PDX to DLH?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH)?
Opt for a flight from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH) last-minute?
Waiting until right before your break to book a ticket from PDX to DLH generally means paying more. While you may find some last-minute deals, there's no guarantee. Be flexible with your itinerary for the best chance of getting a bargain.
Is it cheaper to book a PDX to DLH flight and hotel package?
Opting for a PDX to DLH flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Duluth Intl. Airport (DLH)?
In most cases, you're able to cancel or reschedule your PDX to DLH flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Duluth Intl.
Airlines serving
Delta, Sun Country Airlines, United
Roundtrip price
$292
Distance
1447 mi

Book with confidence

Portland to Duluth Flights

The cheapest times to fly from Portland to Duluth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Duluth are during the month of December. You can find some of the cheapest flights from Portland to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Duluth

Sunday is one of the best days to book for cheap flights from Portland to Duluth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Duluth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Duluth in 2025. You can also book with separate airlines for your outbound and return journeys, from $164 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Duluth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Duluth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Duluth Flights

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*Available to One Key members.