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$577+ Cheap flights from Cologne (CGN) to Philadelphia (PHL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — PHL
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap flight deals from Cologne to Philadelphia

Cheapest flights from Cologne to Philadelphia
Explore the most affordable flight options available from Cologne to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:05 pm
CGN
-
PHL
2 stops27h 23m
United Airlines
Mon 4/201:27 pm
PHL
-
CGN
2 stops16h 58m
United Airlines
Deal found 3/12$577
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:35 pm
CGN
-
PHL
2 stops49h 49m
United Airlines
Mon 11/2311:39 am
PHL
-
CGN
2 stops23h 36m
United Airlines
Deal found 3/9$586
This Expedia deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:05 pm
CGN
-
PHL
2 stops32h 39m
Multiple Airlines
Fri 5/15:40 pm
PHL
-
CGN
2 stops19h 15m
Multiple Airlines
Deal found 3/10$623
This AirNGo deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:15 pm
CGN
-
PHL
2 stops28h 40m
British Airways
Mon 3/237:45 pm
PHL
-
CGN
2 stops39h 45m
British Airways
Deal found 3/9$696
This Air Canada deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:10 am
CGN
-
PHL
2 stops36h 41m
Air Canada
Mon 11/233:30 pm
PHL
-
CGN
2 stops15h 20m
Air Canada
Deal found 3/11$714
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:20 am
CGN
-
PHL
2 stops18h 34m
United Airlines
Thu 4/167:45 pm
PHL
-
CGN
2 stops15h 55m
United Airlines
Deal found 3/12$729
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:30 am
CGN
-
PHL
2 stops40h 25m
United Airlines
Fri 6/266:00 am
PHL
-
CGN
2 stops29h 40m
United Airlines
Deal found 3/12$739
This Booking.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:15 pm
CGN
-
PHL
1 stop26h 20m
Multiple Airlines
Mon 3/238:40 pm
PHL
-
CGN
1 stop14h 30m
Multiple Airlines
Deal found 3/9$815

Find flight deals from Cologne to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Cologne (CGN) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$577
(United Airlines)
Provider with most accurate pricing for Cologne Köln/Bonn-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Cologne Köln/Bonn-Philadelphia flights.
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From Cologne Köln/Bonn to Philadelphia
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Cologne to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from Cologne to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ColognePhiladelphia

CGN - PHL

CGNPHL

Cologne Köln/Bonn

Sat 4/11

1:05 pm-10:28 am

2 stops27h 23m

Philadelphia

Mon 4/20

1:27 pm-12:25 pm

2 stops16h 58m

$577

ColognePhiladelphia

CGN - PHL

CGNPHL

Cologne Köln/Bonn

Fri 4/24

1:05 pm-3:44 pm

2 stops32h 39m

Philadelphia

Fri 5/1

5:40 pm-6:55 pm

2 stops19h 15m

$623

ColognePhiladelphia

CGN - PHL

CGNPHL

Cologne Köln/Bonn

Thu 4/9

6:20 am-6:54 pm

2 stops18h 34m

Philadelphia

Thu 4/16

7:45 pm-5:40 pm

2 stops15h 55m

$729

ColognePhiladelphia

CGN - PHL

CGNPHL

Cologne Köln/Bonn

Sat 6/13

8:30 am-6:55 pm

2 stops40h 25m

Philadelphia

Fri 6/26

6:00 am-5:40 pm

2 stops29h 40m

$739
Quickest round-trip

ColognePhiladelphia

CGN - PHL

CGNPHL

Cologne Köln/Bonn

Sun 4/26

8:30 am-4:05 pm

2 stops13h 35m

Philadelphia

Wed 4/29

11:36 am-9:10 am

2 stops15h 34m

$971

ColognePhiladelphia

CGN - PHL

CGNPHL

Cologne Köln/Bonn

Sat 6/13

7:40 am-9:33 pm

2 stops19h 53m

Philadelphia

Fri 6/26

4:20 pm-7:10 pm

3 stops44h 50m

$1,350

ColognePhiladelphia

CGN - PHL

CGNPHL

Cologne Köln/Bonn

Sat 8/1

7:05 am-5:42 pm

2 stops16h 37m

Philadelphia

Thu 12/10

5:40 pm-12:35 pm

2 stops12h 55m

$3,599

ColognePhiladelphia

CGN - PHL

CGNPHL

Cologne Köln/Bonn

Tue 3/24

5:05 pm-5:15 pm

1 stop29h 10m

Philadelphia

Fri 3/27

1:46 pm-4:20 pm

2 stops21h 34m

$4,748
Cheapest one-way
Quickest one-way

ColognePhiladelphia

CGN - PHL

CGNPHL

Cologne Köln/Bonn

Sat 6/27

7:05 am-5:37 pm

2 stops16h 32m

$6,146

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Cologne-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cologne-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cologne-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cologne-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cologne-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Cologne to Philadelphia

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

Cheapflights Insights

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

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

Currently, December is the cheapest month in which you can book a flight from Cologne to Philadelphia (average of $373). Flying from Cologne to Philadelphia in July is currently the most expensive (average of $478). 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

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

  • How long is the flight from Cologne to Philadelphia?

    Airlines like United Airlines fly from Cologne to Philadelphia in about 27h 23m. The time it takes to get you to your destination can typically vary by up to . Cologne and Philadelphia are separated by a distance of 3855 mi.

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

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

  • How can I find direct flights from Cologne to Philadelphia?

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

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

    Yes. Cheapflights offers flight deals from Cologne 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 Cologne to Philadelphia?

    Currently, December is the cheapest month in which you can book a flight from Cologne to Philadelphia (average of $373). Flying from Cologne to Philadelphia in July is currently the most expensive (average of $478). 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.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Reading
King of Prussia
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester

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