$323+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DLH
Oct 12 — Oct 191
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
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
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Best
Last-minute
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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 September 12, 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 September 12, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:22 pm -
1 stop5h 35m
Sat 10/244:21 pm -
1 stop5h 41m
Deal found 9/9![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/142:27 pm -
1 stop6h 55m
Sat 10/247:45 am -
2 stops12h 46m
Deal found 9/9![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/10. 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 9/251:35 pm -
1 stop7h 00m
Tue 9/2911:43 am -
1 stop7h 48m
Deal found 9/10![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 9/12. 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 10/73:22 pm -
1 stop5h 35m
Sun 10/185:14 am -
1 stop7h 20m
Deal found 9/12![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/257:29 pm -
2 stops13h 13m
Tue 9/296:00 am -
1 stop7h 33m
Deal found 9/10![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:00 pm -
1 stop5h 35m
Sun 10/115:14 am -
1 stop7h 20m
Deal found 9/9![Delta logo]()
$447
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/39:00 am -
2 stops12h 14m
Sun 11/811:16 am -
1 stop9h 56m
Deal found 9/10![United Airlines logo]()
$481
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 September 12, 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 September 12, 2026.
This Delta deal was found by Cheapflights users on 9/10. 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 10/283:22 pm -
1 stop5h 35m
Sun 11/85:14 am -
1 stop7h 20m
Deal found 9/10![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/1410:43 am -
2 stops10h 39m
Sat 10/246:00 am -
2 stops10h 27m
Deal found 9/9![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/141:44 pm -
1 stop7h 13m
Sat 10/244:21 pm -
1 stop5h 41m
Deal found 9/8![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 9/11. 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 2/241:25 pm -
1 stop7h 23m
Sun 2/2812:00 pm -
1 stop6h 24m
Deal found 9/11![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 9/11. 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 2/243:10 pm -
1 stop5h 38m
Tue 3/24:15 pm -
1 stop6h 08m
Deal found 9/11![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 1/305:15 am -
2 stops10h 36m
Tue 2/25:50 am -
1 stop7h 41m
Deal found 9/9![United Airlines logo]()
$424
Last-minute flights from Portland to DuluthDiscover last-minute flight deals from Portland to Duluth. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Duluth. Data last updated September 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/10. 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 9/251:35 pm -
1 stop7h 00m
Tue 9/2911:43 am -
1 stop7h 48m
Deal found 9/10![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/257:29 pm -
2 stops13h 13m
Tue 9/296:00 am -
1 stop7h 33m
Deal found 9/10![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:00 pm -
1 stop5h 35m
Sun 10/115:14 am -
1 stop7h 20m
Deal found 9/9![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 9/12. 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 10/73:22 pm -
1 stop5h 35m
Sun 10/185:14 am -
1 stop7h 20m
Deal found 9/12![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:22 pm -
1 stop5h 35m
Sat 10/244:21 pm -
1 stop5h 41m
Deal found 9/9![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/142:27 pm -
1 stop6h 55m
Sat 10/247:45 am -
2 stops12h 46m
Deal found 9/9![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/287:26 pm -
2 stops13h 13m
Sun 11/811:16 am -
1 stop9h 56m
Deal found 9/7![United Airlines logo]()
$501
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 September 12, 2026.
Search for one-way flight options from Portland to Duluth. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Tue 10/201:44 pm -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 9/8. 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.
Mon 10/193:22 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$333
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am -
2 stops14h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:33 pm -
2 stops13h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 9/173:00 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$508
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:21 pm -
2 stops13h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$717
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:29 pm -
3 stops40h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$803
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (Delta) |
One-way from | $323 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $612 |
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 7,457,451 searches. Data last updated September 12, 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 Portland - DLH Duluth Intl
PDXDLH
Portland
Tue 10/20
1:44 pm-10:57 pm
1 stop7h 13m
Duluth Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$323
PortlandDuluth
PDX Portland - DLH Duluth Intl
PDXDLH
Portland
Wed 10/28
3:22 pm-10:57 pm
1 stop5h 35m
Duluth Intl
Sun 11/8
5:14 am-10:34 am
1 stop7h 20m
$328
PortlandDuluth
PDX Portland - DLH Duluth Intl
PDXDLH
Portland
Wed 10/14
10:43 am-11:22 pm
2 stops10h 39m
Duluth Intl
Sat 10/24
6:00 am-2:27 pm
2 stops10h 27m
$339
PortlandDuluth
PDX Portland - DLH Duluth Intl
PDXDLH
Portland
Wed 10/14
1:44 pm-10:57 pm
1 stop7h 13m
Duluth Intl
Sat 10/24
4:21 pm-8:02 pm
1 stop5h 41m
$348
PortlandDuluth
PDX Portland - DLH Duluth Intl
PDXDLH
Portland
Wed 2/24
1:25 pm-10:48 pm
1 stop7h 23m
Duluth Intl
Sun 2/28
12:00 pm-4:24 pm
1 stop6h 24m
$348
PortlandDuluth
PDX Portland - DLH Duluth Intl
PDXDLH
Portland
Wed 2/24
3:10 pm-10:48 pm
1 stop5h 38m
Duluth Intl
Tue 3/2
4:15 pm-8:23 pm
1 stop6h 08m
$348
PortlandDuluth
PDX Portland - DLH Duluth Intl
PDXDLH
Portland
Sat 1/30
5:15 am-5:51 pm
2 stops10h 36m
Duluth Intl
Tue 2/2
5:50 am-11:31 am
1 stop7h 41m
$424
PortlandDuluth
PDX Portland - DLH Duluth Intl
PDXDLH
Portland
Thu 9/17
11:02 pm-10:40 am
1 stop9h 38m
Duluth Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$508
Quickest round-trip
PortlandDuluth
PDX Portland - DLH Duluth Intl
PDXDLH
Portland
Thu 9/17
3:00 pm-10:35 pm
1 stop5h 35m
Duluth Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$508
PortlandDuluth
PDX Portland - DLH Duluth Intl
PDXDLH
Portland
Tue 10/20
4:05 pm-10:42 am
3 stops16h 37m
Duluth Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$518
Sorted 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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.
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 September 12, 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.
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - 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 September 12, 2026.
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Portland and Duluth flights
Browse other Portland and Duluth flight options. Last updated on September 12, 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 September 12, 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 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$508 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$325 | Average$467 | FlexibilityNo cancel fee | On-timeN/A |