$78 Cheap Flights from Phoenix (PHX) to Duluth (DLH)

View $78 flight on Thu, Sep 4, 2025Opens 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 $78 for one-way flights and $156 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun Country Airlines
Thu, Sep 11 - Fri, Sep 19
PHX
Phoenix
DLH
Duluth
$156 Roundtrip, found 4 hours ago
$156
Roundtrip
found 4 hours ago
Select Sun Country Airlines flight, departing Thu, Sep 11 from Phoenix to Duluth, returning Fri, Sep 19, priced at $156 found 4 hours ago
Sun Country Airlines
Thu, Sep 18 - Fri, Sep 26
PHX
Phoenix
DLH
Duluth
$166 Roundtrip, found 5 days ago
$166
Roundtrip
found 5 days ago
Select Sun Country Airlines flight, departing Thu, Sep 18 from Phoenix to Duluth, returning Fri, Sep 26, priced at $166 found 5 days ago
Sun Country Airlines
Fri, Sep 26 - Fri, Oct 3
PHX
Phoenix
DLH
Duluth
$176 Roundtrip, found 6 days ago
$176
Roundtrip
found 6 days ago
Select Sun Country Airlines flight, departing Fri, Sep 26 from Phoenix to Duluth, returning Fri, Oct 3, priced at $176 found 6 days ago
Sun Country Airlines
Mon, Sep 15 - Mon, Sep 22
PHX
Phoenix
DLH
Duluth
$181 Roundtrip, found 3 hours ago
$181
Roundtrip
found 3 hours ago
Select Sun Country Airlines flight, departing Mon, Sep 15 from Phoenix to Duluth, returning Mon, Sep 22, priced at $181 found 3 hours ago
Sun Country Airlines
Thu, Sep 25 - Mon, Sep 29
PHX
Phoenix
DLH
Duluth
$191 Roundtrip, found 14 hours ago
$191
Roundtrip
found 14 hours ago
Select Sun Country Airlines flight, departing Thu, Sep 25 from Phoenix to Duluth, returning Mon, Sep 29, priced at $191 found 14 hours ago
Sun Country Airlines
Fri, Sep 26 - Mon, Sep 29
PHX
Phoenix
DLH
Duluth
$201 Roundtrip, found 1 day ago
$201
Roundtrip
found 1 day ago
Select Sun Country Airlines flight, departing Fri, Sep 26 from Phoenix to Duluth, returning Mon, Sep 29, priced at $201 found 1 day ago
Sun Country Airlines
Fri, Sep 19 - Thu, Sep 25
PHX
Phoenix
DLH
Duluth
$206 Roundtrip, found 18 hours ago
$206
Roundtrip
found 18 hours ago
Select Sun Country Airlines flight, departing Fri, Sep 19 from Phoenix to Duluth, returning Thu, Sep 25, priced at $206 found 18 hours ago
Sun Country Airlines
Mon, Sep 29 - Sun, Oct 5
PHX
Phoenix
DLH
Duluth
$211 Roundtrip, found 2 days ago
$211
Roundtrip
found 2 days ago
Select Sun Country Airlines flight, departing Mon, Sep 29 from Phoenix to Duluth, returning Sun, Oct 5, priced at $211 found 2 days ago
United
Wed, Sep 3 - Sun, Sep 7
PHX
Phoenix
DLH
Duluth
$246 Roundtrip, found 3 days ago
$246
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 3 from Phoenix to Duluth, returning Sun, Sep 7, priced at $246 found 3 days ago
Delta
Tue, Sep 2 - Sun, Sep 7
PHX
Phoenix
DLH
Duluth
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 2 from Phoenix to Duluth, returning Sun, Sep 7, priced at $252 found 3 days ago

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

November is typically the cheapest month to fly

From $156 - $441 per traveler.

Graph displaying average flight prices per month

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 $547
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $547
Flights from Phoenix (PHX) to Duluth (DLH)
Origin airport
Sky Harbor Intl.
Destination airport
Duluth Intl.
Airlines serving
Delta, Sun Country Airlines, United
Roundtrip price
$156
Distance
1390 mi

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 September. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $78 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.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH) cost?
Get a cheap one-way flight from $78 or cheap return flight from $156 from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH)?
Planning your trip for September is a great way to save, as it's the cheapest month for flights between PHX and DLH. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PHX to DLH flight.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH)?
There are no daily nonstop flights from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from PHX to DLH?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH)?
Book a flight from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH) last-minute?
Last-minute bookings from PHX to DLH are usually more expensive. To lock in the cheapest rates, start looking for flights early. That being said, if you can play around with your travel dates, you may land a cheap ticket right before your trip.
Is it cheaper to book a PHX to DLH flight and hotel package?
You can save money by booking a PHX to DLH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Duluth Intl. Airport (DLH)?
Typically, it's possible to cancel or reschedule your PHX to DLH flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.