HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Duluth

$273+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DLH
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Duluth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 25, 2026.

This United Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 6/411:40 pm
PDX
-
DLH
1 stop9h 03m
United Airlines
Mon 6/86:10 pm
DLH
-
PDX
1 stop7h 43m
United Airlines
Deal found 2/21$352
This Delta deal was found by Cheapflights users on 2/24. 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.
Thu 4/26:05 am
PDX
-
DLH
1 stop7h 47m
Delta
Sun 4/512:37 pm
DLH
-
PDX
1 stop7h 02m
Delta
Deal found 2/24$378
This Delta deal was found by Cheapflights users on 2/25. 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 3/136:05 am
PDX
-
DLH
1 stop7h 47m
Delta
Mon 3/164:32 pm
DLH
-
PDX
1 stop5h 53m
Delta
Deal found 2/25$394
This Delta deal was found by Cheapflights users on 2/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:15 pm
PDX
-
DLH
2 stops10h 41m
Delta
Sat 3/144:32 pm
DLH
-
PDX
1 stop5h 53m
Delta
Deal found 2/23$398
This Delta deal was found by Cheapflights users on 2/24. 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.
Wed 3/1110:42 am
PDX
-
DLH
2 stops10h 05m
Delta
Sun 3/154:32 pm
DLH
-
PDX
1 stop5h 53m
Delta
Deal found 2/24$400
This Delta deal was found by Cheapflights users on 2/22. 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 8/54:55 pm
PDX
-
DLH
1 stop4h 43m
Delta
Sun 8/95:10 am
DLH
-
PDX
2 stops7h 26m
Delta
Deal found 2/22$416
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 6/411:40 pm
PDX
-
DLH
1 stop9h 03m
United Airlines
Sun 6/76:10 pm
DLH
-
PDX
1 stop7h 43m
United Airlines
Deal found 2/21$426
This Delta deal was found by Cheapflights users on 2/21. 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 6/43:10 pm
PDX
-
DLH
1 stop5h 34m
Delta
Mon 6/88:05 am
DLH
-
PDX
2 stops13h 21m
Delta
Deal found 2/21$446

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 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$352
(United Airlines)

One-way from

$273
(United Airlines)

Popular in

September

Cheapest in

April

Average price

$392
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. 21% potential increase in price ($122 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 25, 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

Tue 3/10

11:15 pm-11:56 am

2 stops10h 41m

Duluth Intl

Sat 3/14

4:32 pm-8:25 pm

1 stop5h 53m

$398

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Thu 6/4

11:40 pm-10:43 am

1 stop9h 03m

Duluth Intl

Sun 6/7

6:10 pm-11:53 pm

1 stop7h 43m

$426

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Tue 3/24

11:59 pm-10:43 am

1 stop8h 44m

Duluth Intl

Tue 3/31

6:42 pm-2:30 pm

2 stops21h 48m

$484

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 7/25

4:55 pm-11:38 pm

1 stop4h 43m

Duluth Intl

Fri 7/31

4:20 pm-8:15 pm

1 stop5h 55m

$489

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-10:51 am

1 stop7h 41m

$495

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 7/25

11:40 pm-11:08 pm

1 stop21h 28m

Duluth Intl

Thu 8/6

6:10 pm-11:53 pm

1 stop7h 43m

$505

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Fri 4/3

11:15 pm-11:56 am

2 stops10h 41m

Duluth Intl

Sun 4/5

5:00 am-12:33 pm

2 stops9h 33m

$528

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 3/7

11:00 am-9:54 pm

1 stop8h 54m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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 25, 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
8,238 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

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
8,238 reviews
Delta
7.9
Good
8,238 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

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
9,345 reviews
Delta
7.9
Good
8,238 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

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 9h 03m. Fly via Delta or United Airlines 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 $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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$393FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$384Average$582FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights