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Duluth

$314+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DLH
May 18 — May 251
Mon 5/18
Mon 5/25
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 April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/13. 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 5/1212:48 pm
PHX
-
DLH
1 stop7h 16m
United Airlines
Tue 5/192:57 pm
DLH
-
PHX
1 stop9h 04m
United Airlines
Deal found 4/13$328
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/82:51 pm
PHX
-
DLH
1 stop7h 51m
United Airlines
Tue 5/125:00 am
DLH
-
PHX
1 stop8h 20m
United Airlines
Deal found 4/14$333
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 5/82:51 pm
PHX
-
DLH
1 stop7h 51m
United Airlines
Thu 5/146:44 pm
DLH
-
PHX
1 stop7h 09m
United Airlines
Deal found 4/16$338
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/127:30 am
PHX
-
DLH
2 stops12h 34m
United Airlines
Wed 5/136:44 pm
DLH
-
PHX
1 stop7h 09m
United Airlines
Deal found 4/14$365
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/3010:06 am
PHX
-
DLH
2 stops11h 02m
United Airlines
Tue 6/96:10 pm
DLH
-
PHX
1 stop7h 12m
United Airlines
Deal found 4/14$370
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.
Fri 5/1511:54 am
PHX
-
DLH
1 stop5h 37m
Delta
Fri 5/224:30 pm
DLH
-
PHX
1 stop5h 40m
Delta
Deal found 4/17$373
This United Airlines deal was found by Cheapflights users on 4/14. 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 4/2911:12 am
PHX
-
DLH
1 stop8h 54m
United Airlines
Sun 5/36:44 pm
DLH
-
PHX
1 stop7h 09m
United Airlines
Deal found 4/14$388
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/282:45 pm
PHX
-
DLH
1 stop6h 23m
United Airlines
Wed 6/106:10 pm
DLH
-
PHX
1 stop7h 26m
United Airlines
Deal found 4/14$389
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 7/211:58 am
PHX
-
DLH
1 stop5h 26m
Delta
Thu 7/95:05 am
DLH
-
PHX
1 stop7h 38m
Delta
Deal found 4/16$403

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 April 18, 2026.

Round-trip from

$328
(United Airlines)

One-way from

$314
(Delta)

Popular in

August

Cheapest in

November

Average price

$428
From Phoenix to Duluth Intl
Search Deals
One-way flight from Phoenix to Duluth Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 18, 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

Cheapest round-trip

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Thu 5/28

2:45 pm-11:08 pm

1 stop6h 23m

Duluth Intl

Wed 6/10

6:10 pm-11:36 pm

1 stop7h 26m

$389
Quickest round-trip

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sat 5/30

2:32 pm-11:08 pm

1 stop6h 36m

Duluth Intl

Tue 6/9

6:10 pm-11:22 pm

1 stop7h 12m

$406

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Fri 5/29

12:59 am-7:31 pm

1 stop16h 32m

Duluth Intl

Thu 6/11

5:05 am-8:38 am

1 stop5h 33m

$420

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Thu 5/28

4:44 pm-3:48 pm

1 stop21h 04m

Duluth Intl

Sun 6/7

5:05 am-8:38 am

1 stop5h 33m

$461

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sat 7/11

12:30 pm-3:27 pm

2 stops24h 57m

Duluth Intl

Fri 7/17

5:05 am-8:37 am

1 stop5h 32m

$463

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sat 7/11

11:50 pm-10:43 am

1 stop8h 53m

Duluth Intl

Sat 7/18

6:25 pm-11:24 pm

1 stop6h 59m

$496

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Wed 5/27

10:06 am-11:08 pm

2 stops11h 02m

Duluth Intl

Thu 9/24

11:26 am-8:20 pm

2 stops10h 54m

$523

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sun 5/31

11:50 pm-10:43 am

1 stop8h 53m

Duluth Intl

Tue 6/9

6:10 pm-11:22 pm

1 stop7h 12m

$548

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Wed 7/29

11:50 pm-10:35 am

1 stop8h 45m

Duluth Intl

Mon 8/10

6:25 pm-11:24 pm

1 stop6h 59m

$558

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Tue 6/30

12:15 pm-11:08 am

2 stops20h 53m

Duluth Intl

Wed 7/8

5:05 am-8:37 am

1 stop5h 32m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 $426). 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 Phoenix to Duluth?

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 April 18, 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
8,424 reviews

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.8

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
8,424 reviews
Delta
7.9
Good
8,424 reviews

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.8

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
9,605 reviews
Delta
7.9
Good
8,424 reviews

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.8

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 6h 23m. Fly via United Airlines or Delta to get the fastest option. The distance between Phoenix and Duluth is about 1389 mi. This flight may include one or multiple stops.

  • 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 45% 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 $426). 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

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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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$221Average$390FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$428FlexibilityNo cancel feeOn-time69%

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