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$328+ Cheap flights from Duluth to Portland (DLH - PDX)

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — PDX
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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Cheap flight deals from Duluth to Portland

Cheapest flights from Duluth to Portland
Explore the most affordable flight options available from Duluth to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This Delta deal was found by Cheapflights users on 6/8. 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 10/164:15 pm
DLH
-
PDX
1 stop5h 28m
Delta
Tue 10/271:25 pm
PDX
-
DLH
1 stop7h 23m
Delta
Deal found 6/8$328
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 11/103:14 pm
DLH
-
PDX
2 stops11h 40m
United Airlines
Sat 11/147:11 am
PDX
-
DLH
1 stop8h 23m
United Airlines
Deal found 6/9$414
This Delta deal was found by Cheapflights users on 6/5. 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 10/138:05 am
DLH
-
PDX
1 stop6h 24m
Delta
Sat 10/173:10 pm
PDX
-
DLH
1 stop5h 38m
Delta
Deal found 6/5$433

Find flight deals from Duluth to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Portland (PDX). 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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$328
(Delta)

Popular in

August

Cheapest in

September

Average price

$517
Provider with most accurate pricing for Duluth Intl-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Portland flights.
Search Deals
From Duluth Intl to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Portland 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 10, 2026.
Use the filters below to find and compare flights from Duluth to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Tue 11/10

3:14 pm-12:54 am

2 stops11h 40m

Portland

Sat 11/14

7:11 am-5:34 pm

1 stop8h 23m

$414
Quickest round-trip

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Thu 7/2

8:00 am-12:40 pm

1 stop6h 40m

Portland

Thu 7/9

3:00 pm-10:49 pm

1 stop5h 49m

$493

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Fri 10/16

5:10 am-10:36 am

1 stop7h 26m

Portland

Tue 10/27

11:10 am-10:48 pm

2 stops9h 38m

$502
Cheapest one-way
Quickest one-way

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Mon 6/15

7:06 am-3:13 pm

2 stops10h 07m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Sorted by cheapest first

Compare providers for flights from Duluth to Portland

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 Duluth to Portland in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Duluth-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Duluth-Portland 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 Duluth-Portland 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 Duluth to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Duluth 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 Duluth to Portland

How much does it cost to fly round-trip from Duluth to Portland?

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated June 10, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Duluth to Portland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,396 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,396 reviews
Delta
7.9
Good
8,396 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,804 reviews
Delta
7.9
Good
8,396 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Duluth to Portland. 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 Duluth to Portland?

    A quick flight from Duluth to Portland can take about 11h 40m. United Airlines provides one of the quickest options available for as low as $414. The distance from Duluth to Portland is about 1446 mi.

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

    Cheapflights users have booked flights from Duluth to Portland round-trip from $258. Another airline that can offer you cheap pricing is United Airlines. Delta is 46% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Duluth to Portland that include hotel bookings?

    Yes. In addition to deals on Duluth to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Portland.

  • Can I find deals for business class flights from Duluth to Portland?

    Yes. Cheapflights offers flight deals from Duluth to Portland 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Beaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Duluth to Portland

Discover the top 2 airlines that operate flights from Duluth to Portland. 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$462FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$263Average$421FlexibilityNo cancel feeOn-time69%

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