Cheap Flights from Portland (PDX) to Duluth (SUW)

Popular airlines from Portland International Airport (PDX) to Duluth, MN (SUW-Richard I. Bong)

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 $356
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $356

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Duluth, MN (SUW-Richard I. Bong) cost?
Get a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Duluth, MN (SUW-Richard I. Bong) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Duluth, MN (SUW-Richard I. Bong)?
Planning your getaway for can help you save, as it's the cheapest month for flights between PDX and SUW. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Duluth, MN (SUW-Richard I. Bong)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PDX to SUW flight.
How many flights per day from Portland Intl. Airport (PDX) to Duluth, MN (SUW-Richard I. Bong)?
There aren't any daily direct flights departing from Portland Intl. Airport (PDX) to Duluth, MN (SUW-Richard I. Bong). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from PDX to SUW?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, time of year and other factors.*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, MN (SUW-Richard I. Bong)?
To reach Duluth, MN (SUW-Richard I. Bong) without delays, select a flight that leaves Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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, MN (SUW-Richard I. Bong) last-minute?
Booking your ticket from PDX to SUW shortly before your getaway is typically more expensive. But if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a PDX to SUW flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to SUW flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Duluth, MN (SUW-Richard I. Bong)?
If you booked your PDX to SUW flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Richard I. Bong
Distance
1452 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 . 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 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.