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$214+ Cheap flights from Portland to Duluth (PDX - DLH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DLH
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheap 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 June 26, 2025.

Round-trip from

$303
(United Airlines)

One-way from

$214
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$584
From Portland to Duluth Intl
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One-way flight from Portland to Duluth Intl
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Highest demand for flights based on searches. 17% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 26, 2025.

This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 8/2311:59 pmPDX - DLH
1 stop8h 46mUnited Airlines
Sat 8/308:00 amDLH - PDX
1 stop9h 25mUnited Airlines
Deal found 6/23$303
This Delta deal was found by Cheapflights users on 6/24. 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.
Sat 8/1612:46 amPDX - DLH
1 stop7h 27mDelta
Sat 8/237:50 amDLH - PDX
2 stops15h 07mDelta
Deal found 6/24$315

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 June 26, 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

Sat 8/23

11:59 pm-10:45 am

1 stop8h 46m

Duluth Intl

Sat 8/30

8:00 am-3:25 pm

1 stop9h 25m

$303

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 8/16

12:46 am-10:13 am

1 stop7h 27m

Duluth Intl

Sat 8/23

7:50 am-8:57 pm

2 stops15h 07m

$315

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Thu 8/21

11:59 pm-10:45 am

1 stop8h 46m

$214

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Wed 8/20

12:46 am-10:15 am

1 stop7h 29m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

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, January is the cheapest month in which you can book a flight from Portland to Duluth (average of $335). Flying from Portland to Duluth in June is currently the most expensive (average of $482). 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 June 26, 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 43% versus a flight at noon.

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 June 26, 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
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
8,838 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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.

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

    Flying on United Airlines is currently your cheapest option to Duluth, with prices starting at $303. Another option worth looking into is Delta, starting at $315 round trip. United Airlines is priced at 30% 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, January is the cheapest month in which you can book a flight from Portland to Duluth (average of $335). Flying from Portland to Duluth in June is currently the most expensive (average of $482). 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 Portland?

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

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Top airline flying from Portland to Duluth

Discover the top airline 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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$457FlexibilityNo cancel feeOn-timeN/A

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