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$286+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DLH
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
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 agosto 14, 2025.

Round-trip from

$286
(Delta)

Popular in

June

Cheapest in

October

Average price

$490
From Portland to Duluth Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($79 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).
Search Deals
Average for round-trip flights in August 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 agosto 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. 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.
mar. 10/211:55 pmPDX - DLH
1 stop7h 47mDelta
mar. 11/412:02 pmDLH - PDX
1 stop7h 25mDelta
Deal found 8/14$286
This Delta deal was found by Cheapflights users on 8/14. 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.
sáb. 9/610:15 amPDX - DLH
2 stops10h 31mDelta
mié. 9/107:50 amDLH - PDX
2 stops10h 09mDelta
Deal found 8/14$297
This United Airlines deal was found by Cheapflights users on 8/14. 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.
vie. 9/510:51 amPDX - DLH
1 stop9h 14mUnited Airlines
mar. 9/93:10 pmDLH - PDX
1 stop9h 15mUnited Airlines
Deal found 8/14$338
This Delta deal was found by Cheapflights users on 8/12. 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.
mié. 9/1012:45 amPDX - DLH
1 stop7h 22mDelta
mar. 9/167:50 amDLH - PDX
2 stops10h 12mDelta
Deal found 8/12$340
This Delta deal was found by Cheapflights users on 8/14. 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.
vie. 9/56:14 amPDX - DLH
2 stops11h 07mDelta
mar. 9/97:50 amDLH - PDX
2 stops10h 09mDelta
Deal found 8/14$345
This Delta deal was found by Cheapflights users on 8/14. 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.
vie. 9/1210:50 pmPDX - DLH
2 stops9h 12mDelta
dom. 9/145:10 amDLH - PDX
1 stop7h 29mDelta
Deal found 8/14$383
This Delta deal was found by Cheapflights users on 8/14. 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.
mié. 10/810:23 amPDX - DLH
2 stops11h 19mDelta
dom. 10/127:50 amDLH - PDX
1 stop7h 00mDelta
Deal found 8/14$424

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 agosto 14, 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

mar. 10/21

1:55 pm-11:42 pm

1 stop7h 47m

Duluth Intl

mar. 11/4

12:02 pm-5:27 pm

1 stop7h 25m

$286

PortlandDuluth

PDX - DLH

PDXDLH

Portland

sáb. 9/6

10:15 am-10:46 pm

2 stops10h 31m

Duluth Intl

mié. 9/10

7:50 am-3:59 pm

2 stops10h 09m

$297

PortlandDuluth

PDX - DLH

PDXDLH

Portland

vie. 9/5

10:51 am-10:05 pm

1 stop9h 14m

Duluth Intl

mar. 9/9

3:10 pm-10:25 pm

1 stop9h 15m

$338

PortlandDuluth

PDX - DLH

PDXDLH

Portland

sáb. 9/6

7:00 am-6:30 pm

1 stop9h 30m

Duluth Intl

mié. 9/10

11:20 am-6:31 pm

1 stop9h 11m

$338

PortlandDuluth

PDX - DLH

PDXDLH

Portland

mié. 9/10

12:45 am-10:07 am

1 stop7h 22m

Duluth Intl

mar. 9/16

7:50 am-4:02 pm

2 stops10h 12m

$340

PortlandDuluth

PDX - DLH

PDXDLH

Portland

vie. 9/5

6:14 am-7:21 pm

2 stops11h 07m

Duluth Intl

mar. 9/9

7:50 am-3:59 pm

2 stops10h 09m

$345

PortlandDuluth

PDX - DLH

PDXDLH

Portland

vie. 9/12

10:50 pm-10:02 am

2 stops9h 12m

Duluth Intl

dom. 9/14

5:10 am-10:39 am

1 stop7h 29m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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 $336). Flying from Portland to Duluth in June is currently the most expensive (average of $476). 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 agosto 14, 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 agosto 14, 2025.
Read through reviews of airlines operating flights from Portland to Duluth, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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 is the cheapest airline to fly from Portland to Duluth round-trip?

    Flying on Delta is currently your cheapest option to Duluth, with prices starting at $258. Delta is priced at 41% 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 $336). Flying from Portland to Duluth in June is currently the most expensive (average of $476). 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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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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$466FlexibilityNo cancel feeOn-timeN/A

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