Duluth

$173+ Cheap flights from Sky Harbor Intl (PHX) to Duluth (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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DLH
Aug 3 — Aug 101
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Cheap flight deals from Sky Harbor Intl to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 July 29, 2025.

Round-trip from

$252
(Delta)

One-way from

$173
(Delta)

Popular in

September

Cheapest in

November

Average price

$433
From Phoenix Sky Harbor Intl to Duluth Intl
One-way flight from Phoenix Sky Harbor Intl to Duluth Intl
Highest demand for flights based on searches. 12% potential increase in price ($55 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Sky Harbor Intl to Duluth

Cheapest flights from Sky Harbor Intl to Duluth
Explore the most affordable flight options available from Sky Harbor Intl to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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 9/47:05 amPHX - DLH
1 stop6h 34mDelta
Tue 9/95:10 amDLH - PHX
1 stop5h 40mDelta
Deal found 7/28$252
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/410:51 amPHX - DLH
1 stop9h 14mUnited Airlines
Fri 9/123:10 pmDLH - PHX
2 stops22h 44mUnited Airlines
Deal found 7/28$437

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 July 29, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Duluth that are best for you.

Fly from

Sky Harbor Intl

Fly to

Duluth

Route

Depart

Return

Price

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Thu 9/4

7:05 am-3:39 pm

1 stop6h 34m

Duluth Intl

Tue 9/9

5:10 am-8:50 am

1 stop5h 40m

$252

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Fri 8/22

12:40 pm-10:05 pm

1 stop7h 25m

Duluth Intl

Wed 8/27

3:10 pm-9:47 pm

1 stop8h 37m

$427

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sun 8/31

1:45 pm-10:46 pm

1 stop7h 01m

$173

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sun 8/31

8:55 am-10:05 pm

2 stops11h 10m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Sky Harbor Intl to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Sky Harbor Intl with our price prediction graph.
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 Phoenix Sky Harbor Intl Airport to Duluth

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Duluth?

Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Duluth (average of $336). Flying from Phoenix Sky Harbor Intl Airport to Duluth in June is currently the most expensive (average of $476). 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.

What is the cheapest time of day to fly from PHX to DLH?

Find hourly flight availability from Sky Harbor Intl to Duluth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport to Duluth is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.

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 July 29, 2025.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport 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.
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Duluth from Phoenix Sky Harbor Intl?

    Most people fly into Duluth Intl (DLH) if they book a flight to Duluth from Phoenix Sky Harbor Intl. On average, Duluth Intl has 0 inbound flights from Phoenix Sky Harbor Intl per day from 3 airlines. Duluth Intl is conveniently located just 5.8 mi from Duluth’s city center.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Duluth round-trip?

    Currently priced at $252, Delta will fly you from Phoenix Sky Harbor Intl Airport to Duluth and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $427. Delta is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Sky Harbor Intl to Duluth that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Duluth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Duluth.

  • Can I find deals for business class flights from Sky Harbor Intl to Duluth?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Duluth?

    Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Duluth (average of $336). Flying from Phoenix Sky Harbor Intl Airport to Duluth in June is currently the most expensive (average of $476). 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.

See more FAQs

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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Top 3 airlines flying from Sky Harbor Intl to Duluth

Discover the top 3 airlines that operate flights from Sky Harbor Intl 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$143Average$221FlexibilityNo cancel feeOn-time83%
DeltaCheapest$246Average$402FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$516FlexibilityNo cancel feeOn-time69%

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