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

Compare Phoenix Sky Harbor to Duluth International flight deals

Find the cheapest month or even day of the year to fly to Duluth International

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Flight deals from Phoenix Sky Harbor to Duluth International

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor Airport to Duluth International Airport? If you want to travel next month, return fares start from $453. Find the lowest prices on one-way and return tickets right here.
Duluth.$453 per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Wed, 19 Aug, arriving in Duluth International.Inbound indirect flight with United, departs from Duluth International on Wed, 26 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $453, select.
Duluth.$520 per passenger.Departing Fri, 18 Sep, returning Sun, 20 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Fri, 18 Sep, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Sun, 20 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $520, select.
Duluth.$648 per passenger.Departing Thu, 15 Oct, returning Sun, 18 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Thu, 15 Oct, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Sun, 18 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $648, select.
Duluth.$786 per passenger.Departing Fri, 31 Jul, returning Sun, 2 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Fri, 31 Jul, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Sun, 2 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $786, select.
Duluth.$786 per passenger.Departing Tue, 17 Nov, returning Sat, 28 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Tue, 17 Nov, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Sat, 28 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $786, select.
Duluth.$1,218 per passenger.Departing Sun, 20 Dec, returning Sun, 27 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Sun, 20 Dec, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Sun, 27 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,218, select.

Find the cheapest month to fly from Phoenix Sky Harbor to Duluth International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix Sky Harbor to Duluth International flights are currently cheapest in August.
Jul
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Aug
from $453
Sep
from $520
Oct
from $648
Nov
from $786
Dec
from $1,218
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Phoenix Sky Harbor to Duluth International: Alternative routes

Compare routes from Phoenix Sky Harbor to Duluth below. You may find an airport to fly into that's cheaper, faster, or easier than Duluth International.

Duluth International

9km from central Duluth
ClosestCheapest
from $453
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Hibbing

87km from central Duluth
from $968
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Phoenix to Duluth: Flight information

The things to know before you go.
Cheapest flight found$453
Cheapest month to flyAugust

Finding cheap flights from Phoenix Sky Harbor to Duluth International: Frequently asked questions

The best price we found for a return flight from Phoenix Sky Harbor to Duluth International is $453. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Phoenix Sky Harbor to Duluth International. But we found flights with one or more stops from $453.
As of July 2026, there are no flights flying from Phoenix Sky Harbor to Duluth International.
The cheapest month to fly from Phoenix Sky Harbor to Duluth International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Duluth International Airport on Wednesday, 19 August 2026.
No airlines currently offer direct flights between Phoenix Sky Harbor Airport and Duluth International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Duluth International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Duluth is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to Duluth International.

Travelling from Phoenix Sky Harbour Airport (PHX) to Duluth International Airport (DLH): what you need to know

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your PHX to DLH flight.

  • Flying during a peak month like April? School holidays and other popular periods can mean longer queues at security. Play it safe and get there up to four hours before international flights and two hours before domestic departures.

  • If you'd like to tour a new city along the way, look for a flight with a stopover. To see your options for tickets from Phoenix Sky Harbour Airport to Duluth International Airport, deselect 'Direct flights only.' Chicago O'Hare International Airport is a popular stop between PHX and DLH.

How to find the cheapest flights from Phoenix Sky Harbour Airport (PHX) to Duluth International Airport (DLH)

  • The lowest price we've seen for a one-way Phoenix Sky Harbour Airport to Duluth International Airport flight is $600. A round-trip ticket is currently $453. Depending on the availability and when you book, these fares can change.

  • To get your hands on cheap tickets from PHX to DLH, book in advance. Airlines typically offer their most competitively priced fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest flights from Phoenix Sky Harbour Airport to Duluth International Airport across the month. It's a good way to snap up a bargain if your plans aren't set in stone.

  • Snapping up cheap flights from PHX to DLH is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a new deal comes up.

  • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Phoenix Sky Harbour Airport to Duluth International Airport.

Handy information about Phoenix Sky Harbour Airport (PHX)

  • PHX is located at 3400 Sky Harbour Boulevard.

  • Phoenix Sky Harbour Airport scores high marks for on-time performance. 80% of flights that take off from PHX arrive at their destination as scheduled.

  • Phoenix Sky Harbour Airport is around 5 kilometres from central Phoenix. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 10 minutes or so to arrive, depending on the traffic.

  • You can expect a trip time of roughly 25 minutes when using public transport.

  • Catching an early flight from Phoenix Sky Harbour Airport to Duluth International Airport? Avoid rushing to the airport (and get some extra shut-eye) by choosing one of these stays near PHX:

Arriving at Duluth International Airport (DLH)

Getting from Duluth International Airport (DLH) to central Duluth

  • DLH is located at 4701 Grinden Drive.

  • From Duluth International Airport, Duluth is approximately 18 kilometres away. It takes around 20 minutes to reach the centre by car.

  • Travelling to the centre by public transport will take you roughly 40 minutes.

When to fly to Duluth International Airport (DLH)

  • It's time to pick your trip dates for your flight from Phoenix Sky Harbour Airport to Duluth International Airport. June is the busiest month to visit Duluth. If you prefer a quieter vibe, go in December.

  • The warmest month in Duluth is July, with the temperature ranging between 13ºC (55ºF) and 27ºC (81ºF). Lock in your flights from Phoenix Sky Harbour Airport to Duluth International Airport in this month if you enjoy this type of weather.

  • January sees average temperatures of between -20ºC (-4ºF) and -3ºC (27ºF). Look for cheap tickets from PHX to DLH around that time if you like cooler conditions.

Explore more of the United States

  • You've done Duluth, now it's time to discover other corners of the United States. Journey about 225 kilometres south-west to Minneapolis to check off its top sights. From Walker Art Centre to Minneapolis Institute of Art and Minnehaha Regional Park, there's plenty to keep you busy.

  • Around 225 kilometres south of Duluth, Saint Paul is another essential stop in the United States. Experience the best of this destination with a visit to Cathedral of St. Paul, Como Park and Ordway Centre for the Performing Arts.

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Prices shown on this page are estimated lowest prices only. Found in the last 12 days.