$308+ Cheap flights from Duluth to Philadelphia (DLH - PHL)
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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — PHL
May 21 — May 281
Round-trip
1 adult, Economy
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Find cheap flights from Duluth to Philadelphia with Cheapflights
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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 Duluth to Philadelphia
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Best
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Cheapest flights from Duluth to PhiladelphiaExplore the most affordable flight options available from Duluth to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
Explore the most affordable flight options available from Duluth to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
This Delta deal was found by Cheapflights users on 4/19. 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 7/94:30 pm
DLH
- PHL
1 stop6h 27m
Delta
Sun 7/125:40 am
PHL
- DLH
1 stop6h 25m
Delta
Deal found 4/19![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 4/19. 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 7/811:50 am
DLH
- PHL
2 stops10h 26m
Delta
Sun 7/125:40 am
PHL
- DLH
1 stop6h 25m
Delta
Deal found 4/19![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 4/19. 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 7/94:30 pm
DLH
- PHL
1 stop6h 27m
Delta
Tue 7/145:40 am
PHL
- DLH
1 stop6h 25m
Delta
Deal found 4/19![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 4/19. 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 7/811:50 am
DLH
- PHL
2 stops10h 26m
Delta
Tue 7/145:40 am
PHL
- DLH
1 stop6h 25m
Delta
Deal found 4/19![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 4/20. 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 6/194:30 pm
DLH
- PHL
1 stop6h 29m
Delta
Sat 6/275:40 am
PHL
- DLH
1 stop6h 28m
Delta
Deal found 4/20![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 4/21. 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 6/216:41 pm
DLH
- PHL
1 stop4h 18m
Delta
Sat 6/279:46 am
PHL
- DLH
2 stops6h 42m
Delta
Deal found 4/21![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 4/19. 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 7/811:50 am
DLH
- PHL
2 stops10h 26m
Delta
Mon 7/1310:40 am
PHL
- DLH
2 stops9h 46m
Delta
Deal found 4/19![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 4/20. 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 6/194:30 pm
DLH
- PHL
1 stop6h 29m
Delta
Fri 6/265:40 am
PHL
- DLH
1 stop6h 28m
Delta
Deal found 4/20![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 4/19. 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 7/114:30 pm
DLH
- PHL
1 stop5h 52m
Delta
Tue 7/145:40 am
PHL
- DLH
1 stop6h 25m
Delta
Deal found 4/19![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 4/20. 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 4/295:00 am
DLH
- PHL
1 stop4h 34m
Delta
Fri 5/295:45 am
PHL
- DLH
1 stop7h 19m
Delta
Deal found 4/20![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 4/19. 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 7/94:30 pm
DLH
- PHL
1 stop6h 27m
Delta
Thu 7/1611:36 am
PHL
- DLH
1 stop4h 51m
Delta
Deal found 4/19![Delta logo]()
$402
Best flights from Duluth to PhiladelphiaDiscover carefully curated flight deals from Duluth to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
Discover carefully curated flight deals from Duluth to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
This Delta deal was found by Cheapflights users on 4/19. 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 5/15:00 am
DLH
- PHL
1 stop4h 26m
Delta
Tue 5/56:05 am
PHL
- DLH
1 stop7h 02m
Delta
Deal found 4/19![Delta logo]()
$468
This United Airlines deal was found by Cheapflights users on 4/17. 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 9/225:00 am
DLH
- PHL
1 stop6h 23m
United Airlines
Sat 9/2610:10 am
PHL
- DLH
1 stop5h 23m
United Airlines
Deal found 4/17![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 4/21. 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 6/208:00 am
DLH
- PHL
1 stop14h 23m
Delta
Fri 6/265:40 am
PHL
- DLH
1 stop6h 28m
Delta
Deal found 4/21![Delta logo]()
$493
This Delta deal was found by Cheapflights users on 4/21. 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 6/208:00 am
DLH
- PHL
2 stops14h 17m
Delta
Sat 6/275:40 am
PHL
- DLH
1 stop6h 28m
Delta
Deal found 4/21![Delta logo]()
$499
This Delta deal was found by Cheapflights users on 4/21. 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 6/208:00 am
DLH
- PHL
2 stops14h 17m
Delta
Wed 6/243:38 pm
PHL
- DLH
1 stop4h 46m
Delta
Deal found 4/21![Delta logo]()
$513
Last-minute flights from Duluth to PhiladelphiaDiscover last-minute flight deals from Duluth to Philadelphia. Data last updated April 21, 2026 and is based on user searches.
Discover last-minute flight deals from Duluth to Philadelphia. Data last updated April 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/18. 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 4/2512:47 pm
DLH
- PHL
2 stops11h 12m
Delta
Sat 5/28:40 am
PHL
- DLH
2 stops12h 17m
Delta
Deal found 4/18![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 4/20. 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 4/295:00 am
DLH
- PHL
1 stop4h 34m
Delta
Fri 5/295:45 am
PHL
- DLH
1 stop7h 19m
Delta
Deal found 4/20![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 4/19. 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 4/304:29 pm
DLH
- PHL
1 stop6h 29m
Delta
Mon 5/411:34 am
PHL
- DLH
1 stop5h 14m
Delta
Deal found 4/19![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 4/19. 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 4/304:29 pm
DLH
- PHL
1 stop6h 29m
Delta
Tue 5/56:05 am
PHL
- DLH
1 stop7h 02m
Delta
Deal found 4/19![Delta logo]()
$468
One-way flights from Duluth to PhiladelphiaSearch for one-way flight options from Duluth to Philadelphia. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
Search for one-way flight options from Duluth to Philadelphia. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
This Delta deal was found by Cheapflights users on 4/16. 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 5/145:15 am
DLH
- PHL
1 stop4h 15m
Delta
Deal found 4/16![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/16. 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.
Fri 5/154:30 pm
DLH
- PHL
2 stops7h 27m
Delta
Deal found 4/16![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 4/19. 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 7/94:30 pm
DLH
- PHL
1 stop6h 27m
Delta
Deal found 4/19![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 4/17. 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.
Mon 5/255:15 am
DLH
- PHL
2 stops7h 03m
Delta
Deal found 4/17![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 5/135:15 am
DLH
- PHL
2 stops10h 15m
Delta
Deal found 4/16![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 5/157:45 am
DLH
- PHL
3 stops10h 13m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,102
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/145:00 am
DLH
- PHL
3 stops12h 58m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,336
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 5/137:45 am
DLH
- PHL
3 stops10h 13m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,389
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Mon 5/257:03 am
DLH
- PHL
3 stops14h 54m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,396
Find flight deals from Duluth to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Philadelphia (PHL). 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 April 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (United Airlines) |
One-way from | $308 (Delta) |
Popular in | August |
Cheapest in | June |
Average price | $514 |
Cheapflights Fare Finder
Customize your flight search to find flights from Duluth to Philadelphia 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 April 21, 2026.
Use the filters below to find and compare flights from Duluth to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Fri 5/1
5:00 am-10:26 am
1 stop4h 26m
Philadelphia
Tue 5/5
6:05 am-12:07 pm
1 stop7h 02m
$468
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Tue 9/22
5:00 am-12:23 pm
1 stop6h 23m
Philadelphia
Sat 9/26
10:10 am-2:33 pm
1 stop5h 23m
$472
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Sat 6/20
8:00 am-11:23 pm
1 stop14h 23m
Philadelphia
Fri 6/26
5:40 am-11:08 am
1 stop6h 28m
$493
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Sat 6/20
8:00 am-11:17 pm
2 stops14h 17m
Philadelphia
Sat 6/27
5:40 am-11:08 am
1 stop6h 28m
$499
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Sat 6/20
8:00 am-11:17 pm
2 stops14h 17m
Philadelphia
Wed 6/24
3:38 pm-7:24 pm
1 stop4h 46m
$513
Cheapest one-way
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Wed 5/13
4:30 pm-11:12 pm
1 stop5h 42m
$308
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Fri 5/15
4:30 pm-11:12 pm
1 stop5h 42m
$308
Quickest one-way
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Thu 5/14
5:15 am-10:30 am
1 stop4h 15m
$308
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Wed 6/17
4:30 pm-11:59 pm
1 stop6h 29m
$308
DuluthPhiladelphia
DLH - PHL
DLHPHL
Duluth Intl
Thu 7/9
4:30 pm-11:57 pm
1 stop6h 27m
$318
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Duluth to Philadelphia
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 Duluth to Philadelphia in April.
| 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 Duluth-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Duluth-Philadelphia 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 Duluth-Philadelphia 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 Duluth to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Duluth with our price prediction graph.
DLH-PHL
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 Duluth to Philadelphia
What is the cheapest month to book a flight from Duluth to Philadelphia?
Currently, June is the cheapest month in which you can book a flight from Duluth to Philadelphia (average of $260). Flying from Duluth to Philadelphia in August is currently the most expensive (average of $713). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Duluth to Philadelphia?
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated April 21, 2026.
Get a feel of what it's like to fly with Delta and United Airlines from Duluth to Philadelphia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Duluth to Philadelphia. 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 Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
King of Prussia
Reading
Camden
Ocean City
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark
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Duluth and Philadelphia flights
Browse other Duluth and Philadelphia flight options. Last updated on April 21, 2026.
Other flights from Duluth
Browse through other flights departing from Duluth. Flights are based on user searches made on Cheapflights and were last updated on April 21, 2026.
Other flights to Philadelphia
Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Duluth to Philadelphia
Discover the top 2 airlines that operate flights from Duluth to Philadelphia. 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 April 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$491 | FlexibilityNo cancel fee | On-time69% |