$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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DLH
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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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
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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
Best
Last-minute
One-way
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 June 5, 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 June 5, 2026.
This United Airlines deal was found by Cheapflights users on 6/1. 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 10/2710:56 pm
PDX
- DLH
2 stops13h 37m
United Airlines
Sat 10/313:14 pm
DLH
- PDX
1 stop9h 04m
United Airlines
Deal found 6/1![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 6/1. 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 7/166:00 am
PDX
- DLH
1 stop7h 42m
Delta
Mon 7/205:00 am
DLH
- PDX
1 stop7h 41m
Delta
Deal found 6/1![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 6/4. 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 7/43:00 pm
PDX
- DLH
1 stop5h 50m
Delta
Fri 7/104:25 pm
DLH
- PDX
1 stop5h 50m
Delta
Deal found 6/4![Delta logo]()
$507
This Delta deal was found by Cheapflights users on 6/1. 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 7/213:00 pm
PDX
- DLH
1 stop5h 49m
Delta
Mon 8/35:15 am
DLH
- PDX
2 stops7h 22m
Delta
Deal found 6/1![Delta logo]()
$532
This Delta deal was found by Cheapflights users on 6/1. 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.
Mon 7/136:00 am
PDX
- DLH
1 stop7h 42m
Delta
Thu 7/165:00 am
DLH
- PDX
1 stop7h 41m
Delta
Deal found 6/1![Delta logo]()
$556
This Delta deal was found by Cheapflights users on 6/3. 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 7/213:00 pm
PDX
- DLH
1 stop5h 49m
Delta
Tue 7/284:25 pm
DLH
- PDX
1 stop5h 50m
Delta
Deal found 6/3![Delta logo]()
$558
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Fri 6/52:17 pm
PDX
- DLH
1 stop7h 06m
United Airlines
Tue 6/911:18 am
DLH
- PDX
2 stops13h 31m
United Airlines
Deal found 6/4![United Airlines logo]()
$562
Best flights from Portland to DuluthDiscover 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 June 5, 2026.
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 June 5, 2026.
This United Airlines deal was found by Cheapflights users on 6/3. 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 10/2710:56 pm
PDX
- DLH
2 stops13h 37m
United Airlines
Sat 10/315:00 am
DLH
- PDX
1 stop8h 35m
United Airlines
Deal found 6/3![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 6/1. 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 7/166:00 am
PDX
- DLH
1 stop7h 42m
Delta
Mon 7/205:00 am
DLH
- PDX
1 stop7h 41m
Delta
Deal found 6/1![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 6/1. 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 7/2511:47 am
PDX
- DLH
1 stop5h 38m
Delta
Thu 8/611:41 am
DLH
- PDX
1 stop7h 53m
Delta
Deal found 6/1![Delta logo]()
$613
This United Airlines 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 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 stop9h 01m
United Airlines
Thu 8/66:25 pm
DLH
- PDX
2 stops17h 22m
United Airlines
Deal found 6/5![United Airlines logo]()
$731
This Delta deal was found by Cheapflights users on 6/4. 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 8/16:00 am
PDX
- DLH
1 stop7h 42m
Delta
Wed 8/55:15 am
DLH
- PDX
1 stop7h 31m
Delta
Deal found 6/4![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 5/31. 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 7/121:45 pm
PDX
- DLH
1 stop7h 04m
Delta
Tue 7/284:25 pm
DLH
- PDX
1 stop5h 50m
Delta
Deal found 5/31![Delta logo]()
$779
Last-minute flights from Portland to DuluthDiscover last-minute flight deals from Portland to Duluth. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Duluth. Data last updated June 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Fri 6/52:17 pm
PDX
- DLH
1 stop7h 06m
United Airlines
Tue 6/911:18 am
DLH
- PDX
2 stops13h 31m
United Airlines
Deal found 6/4![United Airlines logo]()
$562
This Delta deal was found by Cheapflights users on 6/4. 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 6/51:35 pm
PDX
- DLH
1 stop7h 09m
Delta
Tue 6/95:00 am
DLH
- PDX
1 stop7h 40m
Delta
Deal found 6/4![Delta logo]()
$593
This Delta deal was found by Cheapflights users on 6/4. 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 7/43:00 pm
PDX
- DLH
1 stop5h 50m
Delta
Fri 7/104:25 pm
DLH
- PDX
1 stop5h 50m
Delta
Deal found 6/4![Delta logo]()
$507
This United Airlines deal was found by Cheapflights users on 6/4. 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 7/411:00 am
PDX
- DLH
2 stops10h 23m
United Airlines
Fri 7/106:25 pm
DLH
- PDX
1 stop17h 09m
United Airlines
Deal found 6/4![United Airlines logo]()
$566
This Delta deal was found by Cheapflights users on 6/1. 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.
Mon 7/136:00 am
PDX
- DLH
1 stop7h 42m
Delta
Thu 7/165:00 am
DLH
- PDX
1 stop7h 41m
Delta
Deal found 6/1![Delta logo]()
$556
This Delta deal was found by Cheapflights users on 6/1. 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 7/166:00 am
PDX
- DLH
1 stop7h 42m
Delta
Mon 7/205:00 am
DLH
- PDX
1 stop7h 41m
Delta
Deal found 6/1![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 6/1. 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 7/213:00 pm
PDX
- DLH
1 stop5h 49m
Delta
Mon 8/35:15 am
DLH
- PDX
2 stops7h 22m
Delta
Deal found 6/1![Delta logo]()
$532
This Delta deal was found by Cheapflights users on 6/3. 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 7/213:00 pm
PDX
- DLH
1 stop5h 49m
Delta
Tue 7/284:25 pm
DLH
- PDX
1 stop5h 50m
Delta
Deal found 6/3![Delta logo]()
$558
One-way flights from Portland to DuluthSearch for one-way flight options from Portland to Duluth. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
Search for one-way flight options from Portland to Duluth. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Delta deal was found by Cheapflights users on 5/31. 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 7/116:00 am
PDX
- DLH
1 stop7h 42m
Delta
Deal found 5/31![Delta logo]()
$278
This Delta deal was found by Cheapflights users on 6/2. 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.
Mon 7/271:45 pm
PDX
- DLH
1 stop7h 04m
Delta
Deal found 6/2![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 6/3. 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 8/511:30 pm
PDX
- DLH
2 stops16h 04m
United Airlines
Deal found 6/3![United Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Mon 7/2711:30 pm
PDX
- DLH
2 stops12h 56m
United Airlines
Deal found 6/2![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 6/2. 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 7/2512:33 am
PDX
- DLH
1 stop20h 16m
Delta
Deal found 6/2![Delta logo]()
$447
This United Airlines deal was found by Cheapflights users on 6/1. 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 6/205:00 am
PDX
- DLH
2 stops16h 23m
United Airlines
Deal found 6/1![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 6/1. 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 6/206:00 am
PDX
- DLH
1 stop7h 49m
Delta
Deal found 6/1![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 5/31. 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 7/118:35 am
PDX
- DLH
3 stops30h 59m
United Airlines
Deal found 5/31![United Airlines logo]()
$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 June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $414 (United Airlines) |
One-way from | $278 (Delta) |
Popular in | September |
Cheapest in | January |
Average price | $512 |
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 June 5, 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
Cheapest round-trip
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Tue 10/27
10:56 pm-2:33 pm
2 stops13h 37m
Duluth Intl
Sat 10/31
5:00 am-11:35 am
1 stop8h 35m
$414
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Thu 7/16
6:00 am-3:42 pm
1 stop7h 42m
Duluth Intl
Mon 7/20
5:00 am-10:41 am
1 stop7h 41m
$492
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Sat 7/25
11:47 am-7:25 pm
1 stop5h 38m
Duluth Intl
Thu 8/6
11:41 am-5:34 pm
1 stop7h 53m
$613
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Sat 8/1
6:00 am-3:42 pm
1 stop7h 42m
Duluth Intl
Wed 8/5
5:15 am-10:46 am
1 stop7h 31m
$678
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-9:47 am
2 stops17h 22m
$731
Quickest round-trip
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Sun 7/12
1:45 pm-10:49 pm
1 stop7h 04m
Duluth Intl
Tue 7/28
4:25 pm-8:15 pm
1 stop5h 50m
$779
Cheapest one-way
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Sat 7/11
6:00 am-3:42 pm
1 stop7h 42m
$278
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Wed 8/5
6:00 am-3:31 pm
1 stop7h 31m
$278
Quickest one-way
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Mon 7/27
1:45 pm-10:49 pm
1 stop7h 04m
$318
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Wed 8/5
11:30 pm-5:34 pm
2 stops16h 04m
$342
Showing 1-10 of 14 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
PDX-DLH
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
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 June 5, 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.
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentMarie Antonette,Sep 2023
CDG - MSP
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentMarie Antonette,Sep 2023
CDG - MSP
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentMarie Antonette,Sep 2023
CDG - MSP
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.
Traveling to a place near Duluth?
Book flights to Duluth if you plan to visit one of these locationsTwo Harbors
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Complete your trip
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Other flights to Duluth
Explore flights to Duluth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
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Find flights from Portland to Duluth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Duluth flights
Browse other Portland and Duluth flight options. Last updated on June 5, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$468 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$582 | FlexibilityNo cancel fee | On-time69% |