In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What is the cheapest time of day to fly from DTM to PHL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dortmund to Philadelphia as you normally would.

Can I find deals for flights from Dortmund to Philadelphia that include hotel bookings?

Yes. In addition to deals on Dortmund to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dortmund to Philadelphia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dortmund to Philadelphia.

Can I find deals for business class flights from Dortmund to Philadelphia?

Yes. Cheapflights offers flight deals from Dortmund to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Best time to book a flight from Dortmund to Philadelphia

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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.

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Everything you need to know about your flight from Dortmund to Philadelphia

What is the cheapest month to book a flight from Dortmund to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Dortmund to Philadelphia (average of $236). Flying from Dortmund to Philadelphia in March is currently the most expensive (average of $295). 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.

Related info for your journey

Can I find deals for flights from Dortmund to Philadelphia that include hotel bookings?
Yes. In addition to deals on Dortmund to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dortmund to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dortmund to Philadelphia.
Can I find deals for business class flights from Dortmund to Philadelphia?
Yes. Cheapflights offers flight deals from Dortmund to Philadelphia 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 Dortmund to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from Dortmund to Philadelphia (average of $236). Flying from Dortmund to Philadelphia in March is currently the most expensive (average of $295). 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.

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Find cheap flights from Dortmund to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Dortmund to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Dortmund with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dortmund to Philadelphia

What is the cheapest month to book a flight from Dortmund to Philadelphia?

Related info for your journey

Find useful and relevant information for your journey from Dortmund to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Dortmund to Philadelphia that include hotel bookings?

How can I find direct flights from Dortmund to Philadelphia?

Can I find deals for business class flights from Dortmund to Philadelphia?

What is the cheapest month to book a flight from Dortmund to Philadelphia?

Traveling to a place near Philadelphia?

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 Dortmund to Philadelphia

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Complete your trip

Complete your trip to Philadelphia by adding a car rental and/or hotel reservation to your travel itinerary.

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Find flights from Dortmund to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Dortmund and Philadelphia flights

Browse other Dortmund and Philadelphia flight options. Last updated on August 13, 2025.

Other flights to Philadelphia

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Cheap flights from Dortmund (DTM) to Philadelphia (PHL)

Find cheap flights from Dortmund to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Dortmund to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Dortmund with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dortmund to Philadelphia

What is the cheapest month to book a flight from Dortmund to Philadelphia?

Related info for your journey

Find useful and relevant information for your journey from Dortmund to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Dortmund to Philadelphia that include hotel bookings?

How can I find direct flights from Dortmund to Philadelphia?

Can I find deals for business class flights from Dortmund to Philadelphia?

What is the cheapest month to book a flight from Dortmund to Philadelphia?

Traveling to a place near Philadelphia?

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 Dortmund to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart