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$334+ Cheap flights from Portland to Duluth (PDX - DLH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DLH
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Portland to Duluth

Cheapest flights from Portland to Duluth
Explore the most affordable flight options available from Portland to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This United Airlines deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:02 amPDX - DLH
1 stop9h 53mUnited Airlines
Sun 1/43:03 pmDLH - PDX
1 stop9h 40mUnited Airlines
Deal found 12/27$851
This United Airlines deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:02 amPDX - DLH
1 stop9h 53mUnited Airlines
Thu 1/17:50 amDLH - PDX
2 stops14h 58mUnited Airlines
Deal found 12/26$885
This Delta deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:11 pmPDX - DLH
1 stop6h 41mDelta
Sun 1/44:10 pmDLH - PDX
1 stop6h 24mDelta
Deal found 12/27$942
This United Airlines deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:02 amPDX - DLH
1 stop9h 53mUnited Airlines
Sun 1/43:03 pmDLH - PDX
1 stop9h 40mUnited Airlines
Deal found 12/27$946

Find flight deals from Portland to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Duluth (DLH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$326
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$928
Provider with most accurate pricing for Portland-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Duluth Intl flights.
Search Deals
From Portland to Duluth Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Duluth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Portland to Duluth that are best for you.

Fly from

Portland

Fly to

Duluth

Route

Depart

Return

Price

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Fri 1/9

8:30 am-9:59 pm

2 stops11h 29m

Duluth Intl

Mon 1/12

3:05 pm-10:32 pm

1 stop9h 27m

$334

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 2/28

11:59 pm-10:43 am

1 stop8h 44m

Duluth Intl

Wed 3/4

11:20 am-6:49 pm

1 stop9h 29m

$413

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Fri 1/9

8:30 am-9:59 pm

2 stops11h 29m

Duluth Intl

Tue 1/13

3:05 pm-12:39 am

2 stops11h 34m

$418

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Fri 2/6

7:10 am-7:35 pm

2 stops10h 25m

Duluth Intl

Sat 2/7

8:00 am-4:30 pm

2 stops10h 30m

$426

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 2/28

6:00 am-3:35 pm

1 stop7h 35m

Duluth Intl

Sat 3/7

4:18 pm-8:30 pm

1 stop6h 12m

$512

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Wed 1/7

10:47 am-9:59 pm

1 stop9h 12m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Compare providers for flights from Portland to Duluth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Duluth in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Duluth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Duluth flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Duluth flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Duluth

What is the cheapest month to book a flight from Portland to Duluth?

Currently, July is the cheapest month in which you can book a flight from Portland to Duluth (average of $151). Flying from Portland to Duluth in December is currently the most expensive (average of $928). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to DLH?

Find hourly flight availability from Portland to Duluth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.

When flying from Portland to Duluth, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 42% versus a flight at noon.

How much does it cost to fly round-trip from Portland to Duluth?

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duluth. Reviews last updated December 28, 2025.
Read through reviews of airlines operating flights from Portland to Duluth, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
Delta
7.9
Good
8,019 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
United Airlines
7.4
Good
9,113 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.

Related info for your journey

Find useful and relevant information for your journey from Portland to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Duluth?

    There are many flights that can get you from Portland to Duluth in 10h 25m. Fly via United Airlines or Delta to get the fastest option. The distance between Portland and Duluth is about 1446 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Portland to Duluth round-trip?

    Flying on Delta is currently your cheapest option to Duluth, with prices starting at $248. Another option worth looking into is United Airlines, starting at $384 round trip. Delta is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Portland to Duluth that include hotel bookings?

    Yes. In addition to deals on Portland to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Duluth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Duluth.

  • Can I find deals for business class flights from Portland to Duluth?

    Yes. Cheapflights offers flight deals from Portland to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Duluth?

    Currently, July is the cheapest month in which you can book a flight from Portland to Duluth (average of $151). Flying from Portland to Duluth in December is currently the most expensive (average of $928). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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Alternative routes for Portland to Duluth

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Top 2 airlines flying from Portland to Duluth

Discover the top 2 airlines that operate flights from Portland to Duluth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$421FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$384Average$582FlexibilityNo cancel feeOn-time69%

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