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$169+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DLH
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$254
(Delta)

One-way from

$169
(United Airlines)

Popular in

August

Cheapest in

November

Average price

$338
From Phoenix Sky Harbor Intl to Duluth Intl
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One-way flight from Phoenix Sky Harbor Intl to Duluth Intl
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Highest demand for flights based on searches. 11% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 7/261:40 pmPHX - DLH
1 stop7h 04mDelta
vie. 8/16:03 pmDLH - PHX
1 stop7h 04mDelta
Deal found 6/10$254
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/207:46 pmPHX - DLH
2 stops12h 59mUnited Airlines
lun. 9/293:07 pmDLH - PHX
1 stop8h 53mUnited Airlines
Deal found 6/12$374

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 junio 12, 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

sáb. 7/26

1:40 pm-10:44 pm

1 stop7h 04m

Duluth Intl

vie. 8/1

6:03 pm-11:07 pm

1 stop7h 04m

$254

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

sáb. 9/20

7:46 pm-10:45 am

2 stops12h 59m

Duluth Intl

lun. 9/29

3:07 pm-10:00 pm

1 stop8h 53m

$374

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

vie. 7/11

7:06 pm-10:51 am

2 stops13h 45m

$169

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

jue. 7/10

12:45 am-10:23 am

1 stop7h 38m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $335). Flying from Phoenix Sky Harbor Intl Airport to Duluth in June is currently the most expensive (average of $473). 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 junio 12, 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.

Rainfall in Duluth by month

Plan your trip to Duluth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

Temperature in Duluth by month

Plan your trip to Duluth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

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 junio 12, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Phoenix to Duluth by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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 $254, 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 $374. Delta is priced at 33% 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 $335). Flying from Phoenix Sky Harbor Intl Airport to Duluth in June is currently the most expensive (average of $473). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$143Average$221FlexibilityNo cancel feeOn-time83%
DeltaCheapest$251Average$428FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$511FlexibilityNo cancel feeOn-time69%

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