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Cheap Flights from Philadelphia (PHL) to Duluth (DLH)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Philadelphia International to Duluth International flight deals

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

      Book the best Duluth International fare with no extra fees

      Flight deals from Philadelphia International to Duluth International

      Looking for a cheap last-minute deal or the best return flight from Philadelphia International Airport to Duluth International Airport? If you want to travel next month, return fares start from $552. Find the lowest prices on one-way and return tickets right here.
      Duluth.$478 per passenger.Departing Tue, 8 Jun, returning Tue, 15 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 8 Jun, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Tue, 15 Jun, arriving in Philadelphia International.Price includes taxes and charges.From $478, select.
      Duluth.$481 per passenger.Departing Wed, 27 Jan, returning Sun, 31 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 27 Jan, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Sun, 31 Jan, arriving in Philadelphia International.Price includes taxes and charges.From $481, select.
      Duluth.$552 per passenger.Departing Sat, 10 Oct, returning Tue, 13 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 10 Oct, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Tue, 13 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $552, select.
      Duluth.$999 per passenger.Departing Thu, 8 Jul, returning Sun, 11 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Thu, 8 Jul, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Sun, 11 Jul, arriving in Philadelphia International.Price includes taxes and charges.From $999, select.
      Duluth.$1,049 per passenger.Departing Wed, 25 Nov, returning Mon, 30 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 25 Nov, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Mon, 30 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,049, select.
      Duluth.$1,049 per passenger.Departing Sat, 19 Dec, returning Tue, 22 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 19 Dec, arriving in Duluth International.Inbound indirect flight with Delta, departs from Duluth International on Tue, 22 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,049, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Philadelphia International to Duluth International found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Philadelphia International to Duluth International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia International to Duluth International flights are currently cheapest in June.
      Sep
      Find prices
      Oct
      from $552
      Nov
      from $1,049
      Dec
      from $1,049
      Jan
      from $481
      Feb
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      Mar
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      Apr
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      May
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      Jun
      from $478
      Jul
      from $999
      Aug
      Find prices

      Philadelphia International to Duluth International: Alternative routes

      Compare routes from Philadelphia International 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 $478
      Search flights

      Hibbing

      87km from central Duluth
      from $1,152
      Search flights

      Philadelphia to Duluth: Flight information

      The things to know before you go.
      Cheapest flight found$478
      Cheapest month to flyJune

      Finding cheap flights from Philadelphia International to Duluth International: Frequently asked questions

      The best price we found for a return flight from Philadelphia International to Duluth International is $478. 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 Philadelphia International to Duluth International. But we found flights with one or more stops from $478.
      As of September 2026, there are no flights flying from Philadelphia International to Duluth International.
      The cheapest month to fly from Philadelphia International to Duluth International is usually June.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Duluth International Airport on Tuesday, 8 June 2027.
      No airlines currently offer direct flights between Philadelphia International 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, Delta offers the cheapest flight tickets to Duluth International.

      Travelling from Philadelphia International Airport (PHL) to Duluth International Airport (DLH): what you need to know

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Make sure you're at the airport on time to board your PHL to DLH flight.

      • During popular months such as August, it's a good idea to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during peak periods in general.

      • If you'd like to visit a different city along the way, consider a flight with a stopover. To see your options for tickets from Philadelphia International Airport to Duluth International Airport, uncheck 'Direct flights only.' Chicago O'Hare International Airport is a well-known stop between PHL and DLH.

      How to find the cheapest flights from Philadelphia International Airport (PHL) to Duluth International Airport (DLH)

      • The lowest price we've found for a one-way Philadelphia International Airport to Duluth International Airport flight is $445. A return plane ticket is currently $478. Depending on the availability and when you book, these fares can change.

      • Don't leave things to the last minute. You're more likely to find cheap tickets from PHL to DLH if you book in advance. Airlines often offer some fantastic early bird deals.

      • If you're flexible with your travel plans, try using the 'Whole month' search tool. It'll find the cheapest price in each month when looking for your flight from Philadelphia International Airport to Duluth International Airport.

      • You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's a new deal on cheap flights from PHL to DLH.

      • Tailor your flights with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Philadelphia International Airport to Duluth International Airport.

      Handy information about Philadelphia International Airport (PHL)

      • PHL is located at 8500 Essington Ave.

      • When it comes to the on-time performance of Philadelphia International Airport, data shows 77% of flights complete their journey on time.

      • Central Philadelphia to Philadelphia International Airport is approximately 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.

      • You can expect a trip time of roughly 30 minutes on public transport.

      • Get your break off to a hassle-free start by staying near PHL. Whether you're boarding an early flight from Philadelphia International Airport to Duluth International Airport or just don't like being rushed, these stays have you covered:

      Arriving at Duluth International Airport (DLH)

      Getting from Duluth International Airport (DLH) to central Duluth

      • The address for DLH is 4701 Grinden Drive.

      • Duluth International Airport is roughly 18 kilometres from central Duluth. The drive time takes about 20 minutes.

      • Travelling by public transport takes about 40 minutes.

      When to fly to Duluth International Airport (DLH)

      • June is the busiest month for flights from Philadelphia International Airport to Duluth International Airport. For a quieter experience, go to Duluth in December.

      • Book your flight from Philadelphia International Airport to Duluth International Airport for July if you'd like to explore Duluth during its warmest month. You can expect temperatures of between 13ºC (55ºF) and 27ºC (81ºF).

      • January sees average temperatures of between -20ºC (-4ºF) and -3ºC (27ºF). Search for cheap tickets from PHL to DLH around that time if you want to travel when it's cooler.

      Explore more of the United States

      • You've visited Duluth, now it's time to discover more of the United States. Travel about 225 kilometres south-west to Minneapolis to check off its must-visit sights. From Walker Art Centre to Minneapolis Institute of Art and Minnehaha Regional Park, you'll have a full itinerary ahead.

      • Around 225 kilometres south of Duluth, Saint Paul is another favourite stop in the United States. Experience this destination's highlights firsthand at Cathedral of St. Paul, Como Park and Ordway Centre for the Performing Arts.

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      Plan the rest of your trip from Philadelphia to Duluth

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