Cheap Flights from Duluth International to Portland

Compare Duluth International to Portland flight deals

Find the cheapest month or even day of the year to fly to Portland

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Flight deals from Duluth International to Portland

Looking for a cheap last-minute deal or the best return flight from Duluth International to Portland? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Duluth International to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Duluth International to Portland flights are currently cheapest in March.

Duluth International to Portland: Alternative routes

Compare routes from Duluth International to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Duluth to Portland: Flight information

The things to know before you go.
Cheapest flight found$804
Cheapest month to flyMarch

Finding cheap flights from Duluth International to Portland: Frequently asked questions

The best price we found for a return flight from Duluth International to Portland is $804. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Duluth International to Portland. But we found flights with one or more stops from $804.
As of February 2026, there are no flights flying from Duluth International to Portland.
The cheapest month to fly from Duluth International to Portland is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Duluth International Airport to Portland Airport on Saturday, 14 March 2026.
No airlines currently offer direct flights between Duluth International Airport and Portland Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Portland.

Flying from Duluth International Airport (DLH) to Portland International Airport (PDX): what you need to know

  • The timezone in Portland is UTC-7, which is two hours behind Duluth.

  • Your DLH to PDX flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months such as September, it's best to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight when you fly during a peak period in general.

  • Opt for a stopover if you want to break up your flight. Simply uncheck 'Direct flights only' to see your options for tickets from Duluth International Airport to Portland International Airport. Minneapolis-St. Paul International Airport is a popular stopover on the DLH to PDX route.

How to find the cheapest flights from Duluth International Airport (DLH) to Portland International Airport (PDX)

  • $389 is the best price for a one-way Duluth International Airport to Portland International Airport flight. A return flight starts from $804. These fares may change based on availability.

  • To score cheap tickets from DLH to PDX, book as early as you can. Airlines usually offer lower prices when flights are first released.

  • If you're flexible with your travel dates, use the 'Whole month' search tool. It'll find the lowest price in each month when looking for your flight from Duluth International Airport to Portland International Airport.

  • Landing cheap flights from DLH to PDX is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when a new discounted fare appears.

  • Lock in the right flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Duluth International Airport to Portland International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Duluth International Airport (DLH)

  • The address for DLH is 4701 Grinden Drive.

  • When it comes to the on-time performance of Duluth International Airport, data shows 77.94% of flights arrive within the expected timeframe.

  • Central Duluth to Duluth International Airport is around 10 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Planning to catch public transport? You can expect a journey time of around 50 minutes.

  • Have an early flight from Duluth International Airport to Portland International Airport? Avoid the hassle of rushing to the airport (and catch some extra z's) by picking one of these hotels close to DLH:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • PDX is located at 7000 NE Airport Way.

  • Portland International Airport is roughly 19 kilometres from the centre of Portland. The drive time takes about 20 minutes.

  • Travelling to the centre on public transport will take you roughly 45 minutes.

When to fly to Portland International Airport (PDX)

  • The quietest month for a flight from Duluth International Airport to Portland International Airport is May, while July is the busiest. Choose the ideal time to visit Portland based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Before locking in your flight from Duluth International Airport to Portland International Airport, think about the kind of weather you enjoy. August is the warmest month in Portland, with temperatures ranging from 12ºC to 31ºC.

  • December sees average temperatures of between 0ºC and 9ºC. Search for cheap tickets from DLH to PDX around that time if you want to travel in cooler conditions.

Explore more of United States

  • Portland is always a good idea, but there are so many other corners of United States just waiting to be explored. About 241 kilometres north of Portland, a trip to Seattle will keep your itinerary busy. Don't miss top attractions like Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • If you want to check out another corner of United States, head for Spokane, about 467 kilometres north-east of Portland. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.