$88 Cheap Flights from Portland (PWM) to Duluth (DLH)

View $88 flight on Thu, Oct 23, 2025Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Duluth, MN (DLH-Duluth Intl.)

Cheap Flights from Portland to Duluth (PWM-DLH)

Prices were available within the past 7 days and start at $88 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov 15 - Tue, Nov 18
PWM
Portland
DLH
Duluth
$259 Roundtrip, found 5 days ago
$259
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 15 from Portland to Duluth, returning Tue, Nov 18, priced at $259 found 5 days ago
Delta
Thu, Oct 23 - Sun, Oct 26
PWM
Portland
DLH
Duluth
$298 Roundtrip, found 20 hours ago
$298
Roundtrip
found 20 hours ago
Select Delta flight, departing Thu, Oct 23 from Portland to Duluth, returning Sun, Oct 26, priced at $298 found 20 hours ago
Delta
Sat, Nov 15 - Sun, Nov 23
PWM
Portland
DLH
Duluth
$309 Roundtrip, found 5 days ago
$309
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 15 from Portland to Duluth, returning Sun, Nov 23, priced at $309 found 5 days ago
Delta
Sat, Oct 25 - Sun, Oct 26
PWM
Portland
DLH
Duluth
$322 Roundtrip, found 20 hours ago
$322
Roundtrip
found 20 hours ago
Select Delta flight, departing Sat, Oct 25 from Portland to Duluth, returning Sun, Oct 26, priced at $322 found 20 hours ago
United
Wed, Oct 22 - Sat, Oct 25
PWM
Portland
DLH
Duluth
$328 Roundtrip, found 20 hours ago
$328
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Oct 22 from Portland to Duluth, returning Sat, Oct 25, priced at $328 found 20 hours ago
United
Tue, Nov 18 - Sun, Nov 23
PWM
Portland
DLH
Duluth
$332 Roundtrip, found 5 days ago
$332
Roundtrip
found 5 days ago
Select United flight, departing Tue, Nov 18 from Portland to Duluth, returning Sun, Nov 23, priced at $332 found 5 days ago
United
Sat, Oct 25 - Fri, Oct 31
PWM
Portland
DLH
Duluth
$334 Roundtrip, found 20 hours ago
$334
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Oct 25 from Portland to Duluth, returning Fri, Oct 31, priced at $334 found 20 hours ago
United
Tue, Nov 18 - Sun, Nov 23
PWM
Portland
DLH
Duluth
$337 Roundtrip, found 5 days ago
$337
Roundtrip
found 5 days ago
Select United flight, departing Tue, Nov 18 from Portland to Duluth, returning Sun, Nov 23, priced at $337 found 5 days ago
Delta
Sat, Nov 15 - Fri, Nov 21
PWM
Portland
DLH
Duluth
$339 Roundtrip, found 5 days ago
$339
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 15 from Portland to Duluth, returning Fri, Nov 21, priced at $339 found 5 days ago
Sun Country Airlines
Thu, Oct 23 - Tue, Oct 28
PWM
Portland
DLH
Duluth
$352 Roundtrip, found 20 hours ago
$352
Roundtrip
found 20 hours ago
Select Sun Country Airlines flight, departing Thu, Oct 23 from Portland to Duluth, returning Tue, Oct 28, priced at $352 found 20 hours ago

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Duluth Intl. Airport (DLH) cost?
Grab a cheap one-way flight from $88 or cheap return flight from $259 from Portland Intl. Jetport Airport (PWM) to Duluth Intl. Airport (DLH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to Duluth Intl. Airport (DLH)?
The cheapest month to fly from PWM to DLH is November, when demand is low. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to Duluth Intl. Airport (DLH)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PWM to DLH flight.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Duluth Intl. Airport (DLH)?
You'll need to catch a flight with a layover if you're traveling from Portland Intl. Jetport Airport (PWM) to Duluth Intl. Airport (DLH). There are no daily direct flights 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 PWM to DLH?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be 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. Jetport Airport (PWM) to Duluth Intl. Airport (DLH)?
To reach Duluth Intl. Airport (DLH) on time, opt for a flight that leaves Portland Intl. Jetport Airport (PWM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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. Jetport Airport (PWM) to Duluth Intl. Airport (DLH) last-minute?
Last-minute fares from PWM to DLH are typically more expensive. To lock in the lowest prices, start searching for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a PWM to DLH flight and hotel package?
Booking a PWM to DLH flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of stays and then add car rentals, activities and flights 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. Jetport Airport (PWM) to Duluth Intl. Airport (DLH)?
It's generally possible to cancel or reschedule your PWM to DLH flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Portland Intl. Jetport
Destination airport
Duluth Intl.
Airlines serving
Delta, United
Roundtrip price
$258
Distance
1082 mi

Book with confidence

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 November. 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 $88 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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Explore a world of travel with Expedia

*Available to One Key members.