$108 Cheap Flights from Phoenix (PHX) to Duluth (DLH)

View $108 flight on Thu, Apr 16, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Duluth, MN (DLH-Duluth Intl.)

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Cheap Flights from Phoenix to Duluth (PHX-DLH)

Prices were available within the past 7 days and start at $108 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun Country Airlines
Thu, Apr 30 - Mon, May 4
PHX
Phoenix
DLH
Duluth
$231 Roundtrip, found 7 hours ago
$231
Roundtrip
found 7 hours ago
Select Sun Country Airlines flight, departing Thu, Apr 30 from Phoenix to Duluth, returning Mon, May 4, priced at $231 found 7 hours ago
Sun Country Airlines
Sat, May 16 - Sat, May 23
PHX
Phoenix
DLH
Duluth
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select Sun Country Airlines flight, departing Sat, May 16 from Phoenix to Duluth, returning Sat, May 23, priced at $251 found 5 days ago
United
Wed, Apr 29 - Sun, May 3
PHX
Phoenix
DLH
Duluth
$263 Roundtrip, found 7 hours ago
$263
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Apr 29 from Phoenix to Duluth, returning Sun, May 3, priced at $263 found 7 hours ago
United
Fri, Apr 17 - Sun, Apr 26
PHX
Phoenix
DLH
Duluth
$268 Roundtrip, found 3 days ago
$268
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 17 from Phoenix to Duluth, returning Sun, Apr 26, priced at $268 found 3 days ago
United
Thu, Apr 30 - Mon, May 4
PHX
Phoenix
DLH
Duluth
$273 Roundtrip, found 7 hours ago
$273
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Apr 30 from Phoenix to Duluth, returning Mon, May 4, priced at $273 found 7 hours ago
Delta
Sat, Apr 11 - Sat, Apr 18
PHX
Phoenix
DLH
Duluth
$278 Roundtrip, found 2 days ago
$278
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Apr 11 from Phoenix to Duluth, returning Sat, Apr 18, priced at $278 found 2 days ago
United
Sat, Apr 25 - Sun, Apr 26
PHX
Phoenix
DLH
Duluth
$280 Roundtrip, found 5 days ago
$280
Roundtrip
found 5 days ago
Select United flight, departing Sat, Apr 25 from Phoenix to Duluth, returning Sun, Apr 26, priced at $280 found 5 days ago
United
Wed, Apr 22 - Tue, May 5
PHX
Phoenix
DLH
Duluth
$284 Roundtrip, found 2 days ago
$284
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 22 from Phoenix to Duluth, returning Tue, May 5, priced at $284 found 2 days ago
United
Wed, Apr 29 - Sun, May 3
PHX
Phoenix
DLH
Duluth
$285 Roundtrip, found 7 hours ago
$285
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Apr 29 from Phoenix to Duluth, returning Sun, May 3, priced at $285 found 7 hours ago
United
Sat, Apr 25 - Sun, Apr 26
PHX
Phoenix
DLH
Duluth
$285 Roundtrip, found 5 days ago
$285
Roundtrip
found 5 days ago
Select United flight, departing Sat, Apr 25 from Phoenix to Duluth, returning Sun, Apr 26, priced at $285 found 5 days ago

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Alternative airports near Duluth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $510
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $510

Find the cheapest month to fly from Phoenix (PHX) to Duluth (DLH)

January is typically the cheapest month to fly

From $156 - $515 per traveler.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) cost?
You can find cheap one-way flights from $108 and cheap return flights from $231 Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) with Expedia. One-way flights usually range from $218 to $835, and return flights typically cost between $393 and $1294. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The cheapest month to fly from PHX to DLH is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Enter PHX to DLH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Phoenix (PHX) to Duluth (DLH), with round-trip tickets starting from around $570. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The earliest flight from Phoenix, AZ (Sky Harbor Intl.) to Duluth, MN (Duluth Intl.) usually leaves at around 12:25 AM, operated by United Airlines. This seasonal service runs in January, February, and March, allowing you to start your journey early and make the most of your time in Duluth. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The most popular departure times for flights from Phoenix (PHX) to Duluth (DLH) are in the late morning, from 9am to noon. About 29% of passengers prefer this time window. Airlines such as Delta Air Lines and United Airlines operate flights during this period. This timing works well because it allows travelers to enjoy their morning in Phoenix before heading to Duluth.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Flights from PHX to DLH with one stop typically take around 8 hours, covering approximately 1,391 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
First class seats are offered on the PHX to DLH route with Delta Air Lines and United Airlines.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Duluth from Sky Harbor Intl. (PHX)?
If you're planning to travel to Duluth from Sky Harbor Intl. (PHX), you can fly into Duluth Intl. (DLH) Some flights may connect through major hubs like Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA), George Bush Intercontinental (IAH) before reaching Duluth. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) Duluth Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Duluth, MN (DLH-Duluth Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Duluth Intl.
Airlines serving
Delta, Sun Country Airlines, United
Roundtrip price
$231
Distance
1390 mi

Book with confidence

Phoenix to Duluth Flights

The cheapest times to fly from Phoenix to Duluth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Duluth are during the month of April. You can find some of the cheapest flights from Phoenix to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Duluth

Sunday is one of the best days to book for cheap flights from Phoenix to Duluth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Duluth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Duluth in 2026. You can also book with separate airlines for your outbound and return journeys, from $108 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Duluth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Duluth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phoenix to Duluth Flights

*Flight schedules are subject to change.

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*Available to One Key members.