How long is the flight from Portland to Duluth?

There are many flights that can get you from Portland to Duluth in 7h 35m. 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 $248. Another option worth looking into is United Airlines, starting at $384 round trip. Delta is priced at 44% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

What is the cheapest time of day to fly from PDX to DLH?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Duluth as you normally would.

Most accurate provider : When it comes to deals on Portland-Duluth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Duluth flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$351+ Flights from Portland to Duluth

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

Airfare is typical for this route at the moment. Portland to Duluth flights typically cost between $349 and $593 in April. The cheapest round-trip price found within the last 3 days was $351 on Delta (Apr 18-Apr 25).

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Cheap flight deals from Portland to Duluth

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$351 (Delta)
Popular in	September
Cheapest in	April
Average price	$436

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. 20% potential increase in price ($117 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 January 2026

Search Deals

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 January 8, 2026.

Sat 4/1811:15 pmPDX - DLH

2 stops10h 51mDelta

Sat 4/254:30 pmDLH - PDX

1 stop5h 37mDelta

Deal found 1/7

$351

Thu 7/234:55 pmPDX - DLH

1 stop4h 43mDelta

Mon 7/275:10 amDLH - PDX

2 stops7h 26mDelta

Deal found 1/6

$402

Sat 2/286:00 amPDX - DLH

1 stop7h 35mDelta

Sat 3/74:18 pmDLH - PDX

1 stop6h 12mDelta

Deal found 1/6

$432

Tue 1/1311:05 pmPDX - DLH

2 stops13h 25mUnited Airlines

Sat 1/173:05 pmDLH - PDX

2 stops11h 34mUnited Airlines

Deal found 1/6

$489

Sat 4/181:39 pmPDX - DLH

3 stops18h 50mUnited Airlines

Sat 4/257:45 amDLH - PDX

2 stops14h 57mUnited Airlines

Deal found 1/7

$507

Best flights from Portland to Duluth
Discover carefully curated flight deals from Portland to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 8, 2026.

Sat 2/286:00 amPDX - DLH

1 stop7h 35mDelta

Sat 3/74:18 pmDLH - PDX

1 stop6h 12mDelta

Deal found 1/6

$432

Tue 1/1311:05 pmPDX - DLH

2 stops13h 25mUnited Airlines

Sat 1/177:40 amDLH - PDX

2 stops16h 09mUnited Airlines

Deal found 1/5

$489

Tue 1/2011:05 pmPDX - DLH

2 stops13h 25mUnited Airlines

Sat 1/247:40 amDLH - PDX

2 stops16h 09mUnited Airlines

Deal found 1/7

$610

Sat 2/284:00 pmPDX - DLH

2 stops16h 43mUnited Airlines

Sat 3/77:53 amDLH - PDX

2 stops15h 17mUnited Airlines

Deal found 1/6

$650

Last-minute flights from Portland to Duluth
Discover last-minute flight deals from Portland to Duluth. Data last updated January 8, 2026 and is based on user searches.

Tue 1/1311:05 pmPDX - DLH

2 stops13h 25mUnited Airlines

Sat 1/173:05 pmDLH - PDX

2 stops11h 34mUnited Airlines

Deal found 1/6

$489

Tue 1/2011:05 pmPDX - DLH

2 stops13h 25mUnited Airlines

Sat 1/247:40 amDLH - PDX

2 stops16h 09mUnited Airlines

Deal found 1/7

$610

Sat 2/286:00 amPDX - DLH

1 stop7h 35mDelta

Sat 3/74:18 pmDLH - PDX

1 stop6h 12mDelta

Deal found 1/6

$432

Sat 2/284:00 pmPDX - DLH

2 stops16h 43mUnited Airlines

Sat 3/77:53 amDLH - PDX

2 stops15h 17mUnited Airlines

Deal found 1/6

$650

Fly from

Fly to

Route

Depart

Return

Price

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 2/28

6:00 am-3:35 pm

1 stop7h 35m

Duluth Intl

Sat 3/7

4:18 pm-8:30 pm

1 stop6h 12m

$432

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Tue 1/13

11:05 pm-2:30 pm

2 stops13h 25m

Duluth Intl

Sat 1/17

7:40 am-9:49 pm

2 stops16h 09m

$489

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Tue 1/20

11:05 pm-2:30 pm

2 stops13h 25m

Duluth Intl

Sat 1/24

7:40 am-9:49 pm

2 stops16h 09m

$610

PortlandDuluth

PDX - DLH

PDXDLH

Portland

Sat 2/28

4:00 pm-10:43 am

2 stops16h 43m

Duluth Intl

Sat 3/7

7:53 am-9:10 pm

2 stops15h 17m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Compare providers for flights from Portland to Duluth

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Duluth in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Duluth flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

8,025 reviews

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

8,025 reviews

Delta

7.9

Good

8,025 reviews

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

9,139 reviews

Delta

7.9

Good

8,025 reviews

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

How long is the flight from Portland to Duluth?
There are many flights that can get you from Portland to Duluth in 7h 35m. 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 $248. Another option worth looking into is United Airlines, starting at $384 round trip. Delta is priced at 44% 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

Two Harbors

Superior

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Alternative routes for Portland to Duluth

Top 2 airlines flying from Portland to Duluth

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$263	Average$430	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$384	Average$582	FlexibilityNo cancel fee	On-time69%

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$351+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Duluth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Duluth

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Duluth

Cheapest flights from Portland to DuluthExplore 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 January 8, 2026.

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 January 8, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Duluth that are best for you.

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 January.

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.

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

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.

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?

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

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

How can I find direct flights from Portland to Duluth?

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

Traveling to a place near Duluth?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Duluth

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Portland to Duluth

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Book with Flexibility

Travel Smart

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 January 8, 2026.