$263+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DLH
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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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 March 17, 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 March 17, 2026.
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/1411:59 pm
PDX
- DLH
1 stop8h 40m
United Airlines
Tue 4/285:00 am
DLH
- PDX
1 stop8h 46m
United Airlines
Deal found 3/17![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 3/17. 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 4/16:05 am
PDX
- DLH
1 stop7h 47m
Delta
Sun 4/58:04 am
DLH
- PDX
1 stop6h 44m
Delta
Deal found 3/17![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 3/16. 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
Tue 4/74:32 pm
DLH
- PDX
1 stop5h 53m
Delta
Deal found 3/16![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 3/13. 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 3/2511:15 pm
PDX
- DLH
2 stops10h 41m
Delta
Sun 4/54:32 pm
DLH
- PDX
1 stop5h 53m
Delta
Deal found 3/13![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 3/13. 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 3/2511:15 pm
PDX
- DLH
2 stops10h 41m
Delta
Sat 4/44:32 pm
DLH
- PDX
2 stops7h 47m
Delta
Deal found 3/13![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 3/15. 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 10/248:30 am
PDX
- DLH
1 stop7h 04m
United Airlines
Tue 10/273:14 pm
DLH
- PDX
1 stop9h 04m
United Airlines
Deal found 3/15![United Airlines logo]()
$418
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 March 17, 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 March 17, 2026.
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/147:14 pm
PDX
- DLH
2 stops13h 25m
United Airlines
Tue 4/285:00 am
DLH
- PDX
1 stop8h 46m
United Airlines
Deal found 3/17![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 3/14. 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 6/184:55 pm
PDX
- DLH
1 stop4h 43m
Delta
Thu 7/212:00 pm
DLH
- PDX
2 stops12h 22m
Delta
Deal found 3/14![Delta logo]()
$513
This United Airlines deal was found by Cheapflights users on 3/13. 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 3/2711:59 pm
PDX
- DLH
1 stop8h 44m
United Airlines
Fri 4/37:25 am
DLH
- PDX
1 stop9h 44m
United Airlines
Deal found 3/13![United Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 3/13. 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 3/2711:59 pm
PDX
- DLH
1 stop8h 44m
United Airlines
Sun 4/56:57 pm
DLH
- PDX
1 stop7h 02m
United Airlines
Deal found 3/13![United Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 3/16. 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 7/254:55 pm
PDX
- DLH
1 stop4h 43m
Delta
Thu 8/64:20 pm
DLH
- PDX
1 stop5h 55m
Delta
Deal found 3/16![Delta logo]()
$523
This United Airlines deal was found by Cheapflights users on 3/16. 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 3/317:00 am
PDX
- DLH
1 stop9h 07m
United Airlines
Sat 4/43:08 pm
DLH
- PDX
1 stop9h 26m
United Airlines
Deal found 3/16![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 3/13. 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 7/234:55 pm
PDX
- DLH
1 stop4h 43m
Delta
Mon 7/275:10 am
DLH
- PDX
1 stop7h 41m
Delta
Deal found 3/13![Delta logo]()
$548
This United Airlines deal was found by Cheapflights users on 3/13. 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 stop20h 16m
United Airlines
Thu 8/66:25 pm
DLH
- PDX
1 stop7h 37m
United Airlines
Deal found 3/13![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/110:54 am
PDX
- DLH
1 stop9h 12m
United Airlines
Sun 4/511:19 am
DLH
- PDX
2 stops12h 40m
United Airlines
Deal found 3/17![United Airlines logo]()
$539
Last-minute flights from Portland to DuluthDiscover last-minute flight deals from Portland to Duluth. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Duluth. Data last updated March 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/16. 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 3/246:05 am
PDX
- DLH
1 stop7h 47m
Delta
Thu 4/212:37 pm
DLH
- PDX
1 stop7h 02m
Delta
Deal found 3/16![Delta logo]()
$458
This Delta deal was found by Cheapflights users on 3/13. 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 3/2511:15 pm
PDX
- DLH
2 stops10h 41m
Delta
Sun 4/54:32 pm
DLH
- PDX
1 stop5h 53m
Delta
Deal found 3/13![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 3/13. 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 3/2511:15 pm
PDX
- DLH
2 stops10h 41m
Delta
Sat 4/44:32 pm
DLH
- PDX
2 stops7h 47m
Delta
Deal found 3/13![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 3/13. 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 3/2511:15 pm
PDX
- DLH
2 stops10h 41m
Delta
Wed 4/14:32 pm
DLH
- PDX
1 stop5h 53m
Delta
Deal found 3/13![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 3/13. 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 3/266:05 am
PDX
- DLH
1 stop7h 47m
Delta
Sun 4/54:32 pm
DLH
- PDX
2 stops9h 22m
Delta
Deal found 3/13![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 3/13. 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 3/267:00 am
PDX
- DLH
1 stop9h 08m
United Airlines
Fri 4/33:08 pm
DLH
- PDX
2 stops9h 46m
United Airlines
Deal found 3/13![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 3/13. 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 3/2711:59 pm
PDX
- DLH
1 stop8h 44m
United Airlines
Sun 4/511:19 am
DLH
- PDX
2 stops12h 40m
United Airlines
Deal found 3/13![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 3/16. 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
Tue 4/74:32 pm
DLH
- PDX
1 stop5h 53m
Delta
Deal found 3/16![Delta logo]()
$398
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 March 17, 2026.
Search for one-way flight options from Portland to Duluth. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Delta deal was found by Cheapflights users on 3/13. 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 5/266:00 am
PDX
- DLH
1 stop7h 48m
Delta
Deal found 3/13![Delta logo]()
$263
This United Airlines deal was found by Cheapflights users on 3/17. 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 5/265:15 am
PDX
- DLH
3 stops15h 53m
United Airlines
Deal found 3/17![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 3/13. 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 3/2111:59 pm
PDX
- DLH
1 stop8h 44m
United Airlines
Deal found 3/13![United Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 3/13. 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 3/2111:15 pm
PDX
- DLH
2 stops10h 41m
Delta
Deal found 3/13![Delta logo]()
$569
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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $398 (Delta) |
One-way from | $263 (Delta) |
Popular in | September |
Cheapest in | January |
Average price | $332 |
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 March 17, 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 4/14
7:14 pm-10:39 am
2 stops13h 25m
Duluth Intl
Tue 4/28
5:00 am-11:46 am
1 stop8h 46m
$344
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Fri 3/27
11:59 pm-10:43 am
1 stop8h 44m
Duluth Intl
Fri 4/3
7:25 am-3:09 pm
1 stop9h 44m
$443
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Fri 3/27
11:59 pm-10:43 am
1 stop8h 44m
Duluth Intl
Sun 4/5
6:57 pm-11:59 pm
1 stop7h 02m
$443
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Tue 3/31
7:00 am-6:07 pm
1 stop9h 07m
Duluth Intl
Sat 4/4
3:08 pm-10:34 pm
1 stop9h 26m
$468
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Thu 6/18
4:55 pm-11:38 pm
1 stop4h 43m
Duluth Intl
Thu 7/2
12:00 pm-10:22 pm
2 stops12h 22m
$513
Quickest round-trip
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Sat 7/25
4:55 pm-11:38 pm
1 stop4h 43m
Duluth Intl
Thu 8/6
4:20 pm-8:15 pm
1 stop5h 55m
$523
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Sat 7/25
11:40 pm-9:56 pm
1 stop20h 16m
Duluth Intl
Thu 8/6
6:25 pm-12:02 am
1 stop7h 37m
$535
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Wed 4/1
10:54 am-10:06 pm
1 stop9h 12m
Duluth Intl
Sun 4/5
11:19 am-9:59 pm
2 stops12h 40m
$539
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
$548
Cheapest one-way
Quickest one-way
PortlandDuluth
PDX - DLH
PDXDLH
Portland
Tue 5/26
6:00 am-3:48 pm
1 stop7h 48m
$263
Showing 1-10 of 11 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 March.
| 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.
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 March 17, 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.
Comfort
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMarie Antonette,Sep 2023
CDG - MSP
Comfort
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
8.0
ExcellentMarie Antonette,Sep 2023
CDG - MSP
Comfort
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
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
Superior
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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 March 17, 2026.
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Portland and Duluth flights
Browse other Portland and Duluth flight options. Last updated on March 17, 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 March 17, 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 March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$384 | Average$582 | FlexibilityNo cancel fee | On-time69% |