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Duluth

$278+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DLH
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
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 May 29, 2026.

This Delta deal was found by Cheapflights users on 5/29. 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 7/173:00 pm
PDX
-
DLH
1 stop5h 49m
Delta
Wed 7/225:00 am
DLH
-
PDX
1 stop7h 41m
Delta
Deal found 5/29$390
This Delta deal was found by Cheapflights users on 5/25. 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 7/173:00 pm
PDX
-
DLH
1 stop5h 49m
Delta
Mon 7/205:00 am
DLH
-
PDX
1 stop7h 41m
Delta
Deal found 5/25$414
This Delta deal was found by Cheapflights users on 5/29. 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 7/173:00 pm
PDX
-
DLH
1 stop5h 49m
Delta
Tue 7/214:25 pm
DLH
-
PDX
1 stop5h 50m
Delta
Deal found 5/29$430
This Delta deal was found by Cheapflights users on 5/29. 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.
Wed 7/153:00 pm
PDX
-
DLH
1 stop5h 49m
Delta
Wed 7/225:00 am
DLH
-
PDX
1 stop7h 41m
Delta
Deal found 5/29$488
This Delta deal was found by Cheapflights users on 5/29. 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 7/173:00 pm
PDX
-
DLH
1 stop5h 49m
Delta
Fri 7/245:00 am
DLH
-
PDX
2 stops16h 17m
Delta
Deal found 5/29$489
This Delta deal was found by Cheapflights users on 5/24. 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.
Fri 5/291:35 pm
PDX
-
DLH
1 stop7h 09m
Delta
Mon 8/108:18 am
DLH
-
PDX
1 stop7h 20m
Delta
Deal found 5/24$507
This Delta deal was found by Cheapflights users on 5/29. 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 7/173:00 pm
PDX
-
DLH
1 stop5h 49m
Delta
Sun 7/268:00 am
DLH
-
PDX
1 stop14h 15m
Delta
Deal found 5/29$514
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Wed 5/272:27 pm
PDX
-
DLH
1 stop6h 44m
United Airlines
Sun 5/315:00 am
DLH
-
PDX
1 stop8h 38m
United Airlines
Deal found 5/26$518
This Delta deal was found by Cheapflights users on 5/29. 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.
Wed 7/153:00 pm
PDX
-
DLH
1 stop5h 49m
Delta
Tue 7/215:00 am
DLH
-
PDX
1 stop7h 42m
Delta
Deal found 5/29$528

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 May 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$414
(Delta)

One-way from

$278
(United Airlines)

Popular in

September

Cheapest in

January

Average price

$467
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
One-way flight from Portland to Duluth Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 29, 2026.
Use the filters below to find and compare flights from Portland to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 7/18

6:15 am-3:42 pm

1 stop7h 27m

Duluth Intl

Wed 7/22

5:00 am-10:41 am

1 stop7h 41m

$488

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Thu 7/16

3:00 pm-11:04 am

1 stop18h 04m

Duluth Intl

Wed 7/22

5:00 am-10:41 am

1 stop7h 41m

$546

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Fri 10/9

1:25 pm-10:48 pm

1 stop7h 23m

Duluth Intl

Sun 10/11

5:10 am-10:36 am

1 stop7h 26m

$585

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Tue 7/14

6:00 am-3:42 pm

1 stop7h 42m

Duluth Intl

Thu 7/16

4:25 pm-8:15 pm

1 stop5h 50m

$608
Quickest round-trip

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Tue 7/21

3:00 pm-10:49 pm

1 stop5h 49m

Duluth Intl

Tue 7/28

8:00 am-12:38 pm

1 stop6h 38m

$641

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sun 8/16

2:27 pm-11:20 pm

1 stop6h 53m

Duluth Intl

Sat 8/22

6:23 pm-11:28 am

1 stop19h 05m

$670

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Fri 7/3

11:40 pm-10:43 am

1 stop9h 03m

Duluth Intl

Tue 7/7

6:25 pm-9:47 am

2 stops17h 22m

$701

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 7/25

11:40 pm-10:41 am

1 stop9h 01m

Duluth Intl

Thu 8/6

6:25 pm-11:38 am

1 stop19h 13m

$725

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sun 8/16

11:55 am-7:44 pm

1 stop5h 49m

Duluth Intl

Sat 8/22

8:18 am-1:38 pm

1 stop7h 20m

$758
Cheapest one-way
Quickest one-way

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Wed 7/8

3:00 pm-10:49 pm

1 stop5h 49m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 May.
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.

Cheapflights Insights

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

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 May 29, 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
8,419 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

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
8,419 reviews
Delta
7.9
Good
8,419 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

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
9,762 reviews
Delta
7.9
Good
8,419 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

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 5h 49m. Fly via Delta 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 $280. Another option worth looking into is United Airlines, starting at $318 round trip. Delta is priced at 38% 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

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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 May 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$280Average$468FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$318Average$582FlexibilityNo cancel feeOn-time69%

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