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$269+ Cheap flights from Green Bay to Philadelphia (GRB - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — PHL
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Green Bay to Philadelphia

Cheapest flights from Green Bay to Philadelphia
Explore the most affordable flight options available from Green Bay to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:55 am
GRB
-
PHL
1 stop4h 35m
American Airlines
Thu 8/278:51 pm
PHL
-
GRB
1 stop4h 25m
American Airlines
Deal found 7/22$309
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:37 pm
GRB
-
PHL
1 stop4h 49m
Delta
Sat 8/295:25 pm
PHL
-
GRB
1 stop4h 15m
Delta
Deal found 7/23$319
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:26 pm
GRB
-
PHL
1 stop5h 53m
American Airlines
Sun 8/95:55 pm
PHL
-
GRB
1 stop7h 21m
American Airlines
Deal found 7/21$339
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 8/79:00 am
GRB
-
PHL
1 stop4h 47m
United Airlines
Tue 8/116:25 am
PHL
-
GRB
1 stop4h 34m
United Airlines
Deal found 7/23$349
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 pm
GRB
-
PHL
1 stop4h 12m
Delta
Mon 10/196:10 am
PHL
-
GRB
1 stop5h 18m
Delta
Deal found 7/22$374
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:43 am
GRB
-
PHL
2 stops7h 57m
American Airlines
Tue 10/65:33 pm
PHL
-
GRB
1 stop7h 39m
American Airlines
Deal found 7/24$376
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 9/136:25 am
GRB
-
PHL
1 stop4h 58m
United Airlines
Sun 9/206:25 am
PHL
-
GRB
1 stop4h 23m
United Airlines
Deal found 7/21$389
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:57 am
GRB
-
PHL
1 stop3h 54m
Delta
Wed 8/266:05 am
PHL
-
GRB
1 stop5h 22m
Delta
Deal found 7/23$393
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:55 am
GRB
-
PHL
2 stops8h 10m
American Airlines
Sun 8/309:33 am
PHL
-
GRB
1 stop6h 08m
American Airlines
Deal found 7/20$419

Find flight deals from Green Bay to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) 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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$269
(American Airlines)

Popular in

April

Cheapest in

March

Average price

$401
Provider with most accurate pricing for Green Bay Austin-Straubel-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Philadelphia flights.
Search Deals
From Green Bay Austin-Straubel to Philadelphia
Search Deals
One-way flight from Green Bay Austin-Straubel to Philadelphia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay 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 July 24, 2026.
Use the filters below to find and compare flights from Green Bay to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Fri 8/28

5:29 pm-12:59 am

1 stop6h 30m

Philadelphia

Sun 8/30

8:20 am-2:01 pm

1 stop6h 41m

$309

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Thu 9/17

6:00 pm-11:12 pm

1 stop4h 12m

Philadelphia

Mon 9/21

12:29 pm-5:20 pm

1 stop5h 51m

$309

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Sat 10/3

5:43 am-11:54 am

1 stop5h 11m

Philadelphia

Tue 10/6

5:33 pm-12:12 am

1 stop7h 39m

$319

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Sat 10/17

5:00 am-12:25 pm

1 stop6h 25m

Philadelphia

Mon 10/19

5:08 pm-11:19 pm

1 stop7h 11m

$319

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Tue 8/18

5:37 pm-11:26 pm

1 stop4h 49m

Philadelphia

Wed 8/26

6:05 am-10:27 am

1 stop5h 22m

$319
Quickest round-trip

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Fri 8/21

5:28 pm-11:26 pm

1 stop4h 58m

Philadelphia

Tue 8/25

5:20 pm-8:40 pm

1 stop4h 20m

$319

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Wed 8/19

6:25 am-2:40 pm

1 stop7h 15m

Philadelphia

Thu 8/27

6:25 am-11:55 am

1 stop6h 30m

$319

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Fri 8/21

5:28 pm-11:26 pm

1 stop4h 58m

Philadelphia

Mon 8/24

6:05 am-10:27 am

1 stop5h 22m

$319

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Mon 9/14

6:00 pm-11:12 pm

1 stop4h 12m

Philadelphia

Sun 9/20

6:15 am-10:22 am

1 stop5h 07m

$319

Green BayPhiladelphia

GRB - PHL

GRBPHL

Green Bay Austin-Straubel

Wed 8/19

5:55 am-3:05 pm

2 stops8h 10m

Philadelphia

Thu 8/27

8:51 pm-12:16 am

1 stop4h 25m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Green Bay to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to Philadelphia in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-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 Green Bay-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 Green Bay to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Green Bay 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 Green Bay to Philadelphia

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

Currently, March is the cheapest month in which you can book a flight from Green Bay to Philadelphia (average of $273). Flying from Green Bay to Philadelphia in April is currently the most expensive (average of $856). 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.

How much does it cost to fly round-trip from Green Bay to Philadelphia?

Airfare is below average for this route at the moment.

Green Bay to Philadelphia flights typically cost between $365 and $438 in August.
The cheapest round-trip price found within the last 5 days was $309 on American Airlines (Aug 19-Aug 27).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated July 24, 2026.
Read through reviews of airlines operating flights from Green Bay to Philadelphia, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,481 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,481 reviews
Delta
7.8
Good
8,481 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,026 reviews
Delta
7.8
Good
8,481 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,842 reviews
Delta
7.8
Good
8,481 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Green Bay 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 Green Bay to Philadelphia?

    Departing from Green Bay to Philadelphia will take you 4h 12m. There are 731 mi between Green Bay and Philadelphia. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Green Bay to Philadelphia round-trip?

    Delta, at $248, was found to be the cheapest airline from Green Bay to Philadelphia.Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from Green Bay to Philadelphia for 38% less than the average price by searching for these airlines.

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

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

  • How can I find direct flights from Green Bay to Philadelphia?

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

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

    Yes. Cheapflights offers flight deals from Green Bay 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 Green Bay to Philadelphia?

    Currently, March is the cheapest month in which you can book a flight from Green Bay to Philadelphia (average of $273). Flying from Green Bay to Philadelphia in April is currently the most expensive (average of $856). 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
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Wildwood Crest
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Green Bay to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Green Bay to LaGuardia flights
Madison to Pittsburgh flights
Green Bay to Newark flights
Minneapolis to Harrisburg flights
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Wausau to Newark flights
Minneapolis to Allentown flights
Green Bay to Reagan-National flights

Top 3 airlines flying from Green Bay to Philadelphia

Discover the top 3 airlines that operate flights from Green Bay to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$351FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$273Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$298Average$404FlexibilityNo cancel feeOn-time69%

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