HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Duluth

$253+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DLH
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix to Duluth with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 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 October 2, 2025.

Round-trip from

$258
(Delta)

One-way from

$253
(Delta)

Popular in

August

Cheapest in

November

Average price

$378
From Phoenix to Duluth Intl
Search Deals
One-way flight from Phoenix to Duluth Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 October 2, 2025.

This Delta deal was found by Cheapflights users on 9/29. 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 12/67:05 amPHX - DLH
1 stop7h 39mDelta
Mon 12/1512:01 pmDLH - PHX
1 stop6h 48mDelta
Deal found 9/29$258
This Delta deal was found by Cheapflights users on 9/29. 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 12/57:05 amPHX - DLH
1 stop7h 39mDelta
Tue 12/165:00 amDLH - PHX
1 stop7h 54mDelta
Deal found 9/29$283
This Delta deal was found by Cheapflights users on 9/29. 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 12/57:05 amPHX - DLH
1 stop7h 39mDelta
Fri 12/124:24 pmDLH - PHX
1 stop8h 40mDelta
Deal found 9/29$308
This Delta deal was found by Cheapflights users on 9/29. 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 12/97:05 amPHX - DLH
1 stop7h 39mDelta
Sat 12/1312:01 pmDLH - PHX
1 stop6h 48mDelta
Deal found 9/29$312
This Delta deal was found by Cheapflights users on 10/1. 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 11/247:05 amPHX - DLH
1 stop7h 33mDelta
Thu 11/2712:01 pmDLH - PHX
1 stop6h 47mDelta
Deal found 10/1$313
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/178:19 pmPHX - DLH
2 stops12h 24mUnited Airlines
Mon 10/208:00 amDLH - PHX
1 stop6h 59mUnited Airlines
Deal found 10/1$314
This Delta deal was found by Cheapflights users on 10/1. 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 11/208:00 amPHX - DLH
2 stops14h 50mDelta
Fri 11/2812:01 pmDLH - PHX
1 stop6h 47mDelta
Deal found 10/1$317
This Delta deal was found by Cheapflights users on 9/29. 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 12/107:15 amPHX - DLH
2 stops15h 44mDelta
Sat 12/1312:01 pmDLH - PHX
1 stop6h 48mDelta
Deal found 9/29$333
This Delta deal was found by Cheapflights users on 10/1. 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 11/197:05 amPHX - DLH
1 stop7h 33mDelta
Wed 12/34:24 pmDLH - PHX
1 stop8h 40mDelta
Deal found 10/1$337
This Delta deal was found by Cheapflights users on 9/29. 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 12/47:05 amPHX - DLH
1 stop7h 39mDelta
Sat 12/612:01 pmDLH - PHX
2 stops12h 50mDelta
Deal found 9/29$338
This Delta deal was found by Cheapflights users on 9/29. 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 12/107:05 amPHX - DLH
1 stop7h 39mDelta
Tue 12/165:00 amDLH - PHX
1 stop7h 54mDelta
Deal found 9/29$342
This Delta deal was found by Cheapflights users on 9/29. 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 12/67:05 amPHX - DLH
1 stop7h 39mDelta
Thu 12/115:00 amDLH - PHX
2 stops20h 32mDelta
Deal found 9/29$343

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 October 2, 2025.
Use the filters below to find and compare flights from Phoenix to Duluth that are best for you.

Fly from

Phoenix

Fly to

Duluth

Route

Depart

Return

Price

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Thu 11/20

7:05 am-3:38 pm

1 stop7h 33m

Duluth Intl

Fri 11/28

12:01 pm-5:48 pm

1 stop6h 47m

$258

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Thu 12/4

7:05 am-3:44 pm

1 stop7h 39m

Duluth Intl

Mon 12/8

8:05 am-2:00 pm

1 stop6h 55m

$258

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Fri 12/5

7:05 am-3:44 pm

1 stop7h 39m

Duluth Intl

Mon 12/8

8:05 am-2:00 pm

1 stop6h 55m

$283

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Fri 12/5

7:05 am-3:44 pm

1 stop7h 39m

Duluth Intl

Wed 12/10

4:24 pm-12:04 am

1 stop8h 40m

$283

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sat 11/22

7:05 am-3:38 pm

1 stop7h 33m

Duluth Intl

Thu 11/27

12:01 pm-5:48 pm

1 stop6h 47m

$283

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Wed 11/19

7:05 am-3:38 pm

1 stop7h 33m

Duluth Intl

Fri 11/28

12:01 pm-5:48 pm

1 stop6h 47m

$283

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Fri 12/5

7:05 am-3:44 pm

1 stop7h 39m

Duluth Intl

Tue 12/16

5:00 am-11:54 am

1 stop7h 54m

$283

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Thu 11/6

6:14 pm-11:42 pm

1 stop4h 28m

Duluth Intl

Tue 11/18

4:18 pm-9:14 pm

1 stop5h 56m

$283

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Wed 11/19

7:05 am-3:38 pm

1 stop7h 33m

Duluth Intl

Thu 11/27

12:01 pm-5:48 pm

1 stop6h 47m

$283

PhoenixDuluth

PHX - DLH

PHXDLH

Phoenix Sky Harbor Intl

Sat 11/22

7:05 am-3:38 pm

1 stop7h 33m

Duluth Intl

Fri 11/28

12:01 pm-5:48 pm

1 stop6h 47m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 15 results
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, January is the cheapest month in which you can book a flight from Phoenix to Duluth (average of $340). Flying from Phoenix to Duluth in June is currently the most expensive (average of $475). 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 Phoenix 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 October 2, 2025.

One of the essential ways to save on airfare from Phoenix 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 October 2, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Sun Country Air 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
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
8,933 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
Sun Country Air
6.9
Okay
334 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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. 3 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 7h 33m. Fly via Delta 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, Sun Country Air ($143), Delta ($221), and United Airlines ($258) offers the cheapest pricing from Phoenix to Duluth. Sun Country Air is 64% 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, January is the cheapest month in which you can book a flight from Phoenix to Duluth (average of $340). Flying from Phoenix to Duluth in June is currently the most expensive (average of $475). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phoenix to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Minneapolis flights
Las Vegas to Minneapolis flights
Tucson to Minneapolis flights
Sky Harbor Intl to Fargo flights
Sky Harbor Intl to Sioux Falls flights
Las Vegas to Sioux Falls flights
Sky Harbor Intl to Duluth flights
Tucson to Fargo flights
Sky Harbor Intl to Rochester flights
Las Vegas to Fargo flights
Phoenix-Mesa Gateway to Sioux Falls flights
Tucson to Sioux Falls flights
Sky Harbor Intl to La Crosse flights
Las Vegas to Duluth flights
Sky Harbor Intl to Brainerd flights
Las Vegas to Rochester flights
Tucson to La Crosse flights
Sky Harbor Intl to Hibbing flights
Flagstaff to Minneapolis flights
Las Vegas to International Falls flights
Sky Harbor Intl to International Falls flights
Tucson to Duluth flights
Yuma to Minneapolis flights
Flagstaff to Fargo flights

Top 3 airlines flying from Phoenix to Duluth

Discover the top 3 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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$143Average$266FlexibilityNo cancel feeOn-time83%
DeltaCheapest$221Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$511FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.