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Duluth

$183+ Cheap flights from Phoenix 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DLH
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
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Cheap flight deals from Phoenix to Duluth

Cheapest flights from Phoenix to Duluth
Explore the most affordable flight options available from Phoenix to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 25, 2026.

This Delta deal was found by Cheapflights users on 2/23. 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 8/186:25 am
PHX
-
DLH
1 stop6h 54m
Delta
Tue 8/258:05 am
DLH
-
PHX
1 stop6h 19m
Delta
Deal found 2/23$322
This United Airlines deal was found by Cheapflights users on 2/24. 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 8/182:55 pm
PHX
-
DLH
1 stop7h 48m
United Airlines
Tue 8/255:00 am
DLH
-
PHX
1 stop8h 31m
United Airlines
Deal found 2/24$345
This United Airlines deal was found by Cheapflights users on 2/24. 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 5/2711:50 pm
PHX
-
DLH
1 stop8h 53m
United Airlines
Thu 9/246:10 pm
DLH
-
PHX
1 stop7h 05m
United Airlines
Deal found 2/24$358
This United Airlines deal was found by Cheapflights users on 2/23. 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 4/187:00 am
PHX
-
DLH
1 stop9h 07m
United Airlines
Wed 4/223:08 pm
DLH
-
PHX
1 stop9h 07m
United Airlines
Deal found 2/23$368
This United Airlines deal was found by Cheapflights users on 2/22. 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 4/77:38 pm
PHX
-
DLH
2 stops13h 01m
United Airlines
Fri 4/106:47 pm
DLH
-
PHX
1 stop22h 11m
United Airlines
Deal found 2/22$375
This Delta deal was found by Cheapflights users on 2/24. 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 6/1112:59 am
PHX
-
DLH
1 stop7h 58m
Delta
Sat 6/208:05 am
DLH
-
PHX
1 stop6h 19m
Delta
Deal found 2/24$388

Find flight deals from Phoenix to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 February 25, 2026.

Round-trip from

$322
(Delta)

One-way from

$183
(United Airlines)

Popular in

August

Cheapest in

November

Average price

$393
From Phoenix to Duluth Intl
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One-way flight from Phoenix to Duluth Intl
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Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 February 25, 2026.
Use the filters below to find and compare flights from Phoenix to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sat 4/18

7:00 am-6:07 pm

1 stop9h 07m

Duluth Intl

Wed 4/22

3:08 pm-10:15 pm

1 stop9h 07m

$368

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Tue 4/7

7:08 pm-10:39 am

2 stops13h 31m

Duluth Intl

Fri 4/10

6:47 pm-8:48 am

2 stops16h 01m

$404

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Mon 3/23

6:55 pm-10:43 am

2 stops13h 48m

Duluth Intl

Mon 3/30

3:08 pm-10:15 pm

1 stop9h 07m

$414

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Fri 3/6

8:22 am-6:08 pm

1 stop8h 46m

Duluth Intl

Sun 3/8

11:20 am-8:56 pm

2 stops11h 36m

$442

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Tue 4/21

9:02 am-6:07 pm

1 stop7h 05m

$213

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Mon 4/20

7:08 pm-10:39 am

2 stops13h 31m

$229

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Wed 3/11

6:15 am-2:32 pm

1 stop6h 17m

$267

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Tue 3/3

1:55 pm-9:59 pm

1 stop7h 04m

$385

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sun 3/29

6:05 am-3:52 pm

1 stop7h 47m

$412

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sun 3/29

6:00 am-10:29 am

2 stops26h 29m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Sorted by cheapest first

Best time to book a flight from Phoenix to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Phoenix 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 to Duluth

What is the cheapest month to book a flight from Phoenix to Duluth?

Currently, June is the cheapest month in which you can book a flight from Phoenix to Duluth (average of $210). Flying from Phoenix to Duluth in January is currently the most expensive (average of $442). 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.

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 February 25, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Phoenix to Duluth. 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
7.9
Good
8,237 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

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
7.9
Good
8,237 reviews
Delta
7.9
Good
8,237 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

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
9,345 reviews
Delta
7.9
Good
8,237 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

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 Phoenix 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?

    For a flight from Phoenix to Duluth, you will be flying into Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city. Duluth Intl is the only Duluth airport and it handles 0 inbound flights from Phoenix per day. 2 airlines have flights to Duluth Intl from Phoenix on a regular basis.

  • How long is the flight from Phoenix to Duluth?

    There are many flights that can get you from Phoenix to Duluth in 9h 07m. Fly via United Airlines to get the fastest option. The distance between Phoenix and Duluth is about 1389 mi.

  • What are the cheapest airlines flying from Phoenix to Duluth round-trip?

    According to our current data, Delta ($221), and United Airlines ($223) offers the cheapest pricing from Phoenix to Duluth. Delta is 47% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Phoenix to Duluth that include hotel bookings?

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

  • How can I find direct flights from Phoenix to Duluth?

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

  • Can I find deals for business class flights from Phoenix to Duluth?

    Yes. Cheapflights offers flight deals from Phoenix 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 to Duluth?

    Currently, June is the cheapest month in which you can book a flight from Phoenix to Duluth (average of $210). Flying from Phoenix to Duluth in January is currently the most expensive (average of $442). 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 2 airlines flying from Phoenix to Duluth

Discover the top 2 airlines that operate flights from Phoenix 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 February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$221Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$497FlexibilityNo cancel feeOn-time69%

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