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$278+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DLH
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 February 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/11. 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.
Wed 3/411:59 pm
PDX
-
DLH
1 stop8h 44m
United Airlines
Wed 3/113:07 pm
DLH
-
PDX
1 stop9h 38m
United Airlines
Deal found 2/11$278
This Delta deal was found by Cheapflights users on 2/8. 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.
Fri 9/254:55 pm
PDX
-
DLH
1 stop4h 43m
Delta
Sat 10/108:05 am
DLH
-
PDX
1 stop6h 59m
Delta
Deal found 2/8$332
This Delta deal was found by Cheapflights users on 2/8. 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 9/2610:00 am
PDX
-
DLH
2 stops11h 38m
Delta
Tue 10/135:10 am
DLH
-
PDX
1 stop7h 51m
Delta
Deal found 2/8$338
This Delta deal was found by Cheapflights users on 2/8. 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 9/274:55 pm
PDX
-
DLH
1 stop4h 43m
Delta
Sat 10/105:10 am
DLH
-
PDX
2 stops19h 16m
Delta
Deal found 2/8$393
This Delta deal was found by Cheapflights users on 2/8. 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 9/2610:00 am
PDX
-
DLH
2 stops11h 38m
Delta
Sat 10/105:10 am
DLH
-
PDX
2 stops19h 16m
Delta
Deal found 2/8$398
This United Airlines deal was found by Cheapflights users on 2/9. 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 7/2511:40 pm
PDX
-
DLH
1 stop8h 55m
United Airlines
Thu 8/66:10 pm
DLH
-
PDX
1 stop7h 42m
United Airlines
Deal found 2/9$418
This Delta deal was found by Cheapflights users on 2/7. 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.
Thu 7/234:55 pm
PDX
-
DLH
1 stop4h 43m
Delta
Mon 7/275:10 am
DLH
-
PDX
2 stops7h 26m
Delta
Deal found 2/7$420
This Delta deal was found by Cheapflights users on 2/8. 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.
Thu 10/14:55 pm
PDX
-
DLH
1 stop4h 43m
Delta
Thu 10/1512:00 pm
DLH
-
PDX
1 stop25h 01m
Delta
Deal found 2/8$423
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Tue 9/297:44 pm
PDX
-
DLH
2 stops13h 00m
United Airlines
Fri 10/96:10 pm
DLH
-
PDX
1 stop7h 42m
United Airlines
Deal found 2/8$424

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(United Airlines)

Popular in

September

Cheapest in

April

Average price

$384
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. 21% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 11, 2026.
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

Wed 3/4

11:59 pm-10:43 am

1 stop8h 44m

Duluth Intl

Wed 3/11

3:07 pm-10:45 pm

1 stop9h 38m

$278

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 4/25

7:00 am-6:09 pm

1 stop9h 09m

Duluth Intl

Thu 4/30

6:24 pm-11:50 pm

1 stop7h 26m

$278

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 7/25

11:40 pm-10:35 am

1 stop8h 55m

Duluth Intl

Thu 8/6

6:10 pm-11:52 pm

1 stop7h 42m

$418

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Thu 7/23

4:55 pm-11:38 pm

1 stop4h 43m

Duluth Intl

Mon 7/27

5:10 am-10:36 am

2 stops7h 26m

$430

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 2/21

11:59 pm-10:43 am

1 stop8h 44m

Duluth Intl

Wed 2/25

7:50 am-3:27 pm

1 stop9h 37m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Duluth flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 February 11, 2026.
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
8,179 reviews

Food

7.2

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.8

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
8,179 reviews
Delta
7.9
Good
8,179 reviews

Food

7.2

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.8

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
9,274 reviews
Delta
7.9
Good
8,179 reviews

Food

7.2

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.8

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 8h 44m. Fly via United Airlines to get the fastest option. The distance between Portland and Duluth is about 1446 mi.

  • 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 $263. Another option worth looking into is United Airlines, starting at $384 round trip. Delta is priced at 40% 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.

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 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$429FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$384Average$582FlexibilityNo cancel feeOn-time69%

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