$303+ Cheap flights from Portland, ME to Duluth (PWM - 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DLH
Oct 14 — Oct 211
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
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 September 14, 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 14, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop5h 42m
Sun 10/187:45 am -
1 stop5h 53m
Deal found 9/11![United Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 9/295:08 pm -
1 stop7h 14m
Sat 10/33:10 pm -
1 stop5h 36m
Deal found 9/13![United Airlines logo]()
$478
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop5h 42m
Fri 10/163:10 pm -
2 stops17h 52m
Deal found 9/11![United Airlines logo]()
$598
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:08 pm -
1 stop7h 14m
Fri 10/163:10 pm -
1 stop5h 36m
Deal found 9/11![United Airlines logo]()
$658
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:08 pm -
1 stop7h 14m
Mon 10/123:10 pm -
1 stop5h 36m
Deal found 9/11![United Airlines logo]()
$691
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 14, 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 14, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
2 stops9h 29m
Sun 10/187:45 am -
1 stop5h 53m
Deal found 9/11![United Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 9/295:08 pm -
1 stop7h 14m
Sat 10/33:10 pm -
1 stop5h 36m
Deal found 9/13![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/13. 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 1/83:15 pm -
2 stops9h 13m
Tue 1/125:50 am -
2 stops7h 44m
Deal found 9/13![United Airlines logo]()
$494
Last-minute flights from Portland to DuluthDiscover last-minute flight deals from Portland to Duluth. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Duluth. Data last updated September 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 9/295:08 pm -
1 stop7h 14m
Sat 10/33:10 pm -
1 stop5h 36m
Deal found 9/13![United Airlines logo]()
$478
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:08 pm -
1 stop7h 14m
Mon 10/123:10 pm -
1 stop5h 36m
Deal found 9/11![United Airlines logo]()
$691
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:08 pm -
1 stop7h 14m
Fri 10/163:10 pm -
1 stop5h 36m
Deal found 9/11![United Airlines logo]()
$658
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop5h 42m
Sun 10/187:45 am -
1 stop5h 53m
Deal found 9/11![United Airlines logo]()
$386
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop5h 42m
Fri 10/163:10 pm -
2 stops17h 52m
Deal found 9/11![United Airlines logo]()
$598
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 14, 2026.
Search for one-way flight options from Portland to Duluth. Find affordable one-way fares based on user searches. Data last updated September 14, 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.
Thu 10/2911:55 am -
1 stop4h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$303
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.
Thu 10/298:49 am -
2 stops9h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$309
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop5h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$347
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.
Sun 11/15:50 am -
2 stops9h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$441
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.
Mon 10/266:03 am -
2 stops30h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$501
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.
Mon 10/265:08 pm -
1 stop18h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$574
Find flight deals from Portland to Duluth
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 14, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $386 (United Airlines) |
One-way from | $303 (Delta) |
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 14, 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
Quickest round-trip
PortlandDuluth
PWM Portland - DLH Duluth Intl
PWMDLH
Portland
Sat 10/31
5:08 pm-11:14 pm
1 stop7h 06m
Duluth Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$313
PortlandDuluth
PWM Portland - DLH Duluth Intl
PWMDLH
Portland
Sat 10/17
6:00 am-2:29 pm
2 stops9h 29m
Duluth Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$353
PortlandDuluth
PWM Portland - DLH Duluth Intl
PWMDLH
Portland
Wed 10/14
6:00 am-2:29 pm
2 stops9h 29m
Duluth Intl
Sun 10/18
7:45 am-2:38 pm
1 stop5h 53m
$391
PortlandDuluth
PWM Portland - DLH Duluth Intl
PWMDLH
Portland
Sun 11/1
5:50 am-2:30 pm
2 stops9h 40m
Duluth Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$441
PortlandDuluth
PWM Portland - DLH Duluth Intl
PWMDLH
Portland
Tue 9/29
5:08 pm-11:22 pm
1 stop7h 14m
Duluth Intl
Sat 10/3
3:10 pm-9:46 pm
1 stop5h 36m
$478
PortlandDuluth
PWM Portland - DLH Duluth Intl
PWMDLH
Portland
Fri 1/8
3:15 pm-11:28 pm
2 stops9h 13m
Duluth Intl
Tue 1/12
5:50 am-2:34 pm
2 stops7h 44m
$494
PortlandDuluth
PWM Portland - DLH Duluth Intl
PWMDLH
Portland
Mon 10/26
6:03 am-11:44 am
2 stops30h 41m
Duluth Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$501
PortlandDuluth
PWM Portland - DLH Duluth Intl
PWMDLH
Portland
Mon 10/26
5:08 pm-10:41 am
1 stop18h 33m
Duluth Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$574
PortlandDuluth
PWM Portland - DLH Duluth Intl
PWMDLH
Portland
Thu 10/29
7:30 pm-5:40 pm
3 stops23h 10m
Duluth Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$584
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Portland, Maine-Duluth flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Portland, Maine-Duluth flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Portland, Maine-Duluth flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Duluth flights, Cheapflights users trust Expedia the most. Expedia 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, Maine-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.
PWM-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.
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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