What airlines fly to Philadelphia?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Philadelphia from Green Bay according to our data. United Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 4 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Green Bay Austin-Straubel to Philadelphia?

American Airlines and United Airlines are the most popular carriers operating from Green Bay Austin-Straubel to Philadelphia

When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Philadelphia Airport?

Prices for flights from Green Bay Austin-Straubel Airport to Philadelphia Airport were last updated today.

How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Philadelphia Airport?

As of August 2026, there are 3 operators available to choose from for flights from Green Bay Austin-Straubel Airport to Philadelphia Airport.

How old do you have to be to fly from Green Bay Austin-Straubel Airport to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$274 Cheap Flights from Green Bay to Philadelphia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Green Bay to Philadelphia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:43 am - 11:52 amGRB Green Bay Austin-Straubel-PHL Philadelphia

5h 09m1 stop Chicago O'Hare Intl

9:21 am - 2:02 pmPHL Philadelphia-GRB Green Bay Austin-Straubel

5h 41m1 stop Chicago O'Hare Intl

$319American Airlines

Sat, Oct 3 - Tue, Oct 6

10:05 am - 6:20 pmGRB Green Bay Austin-Straubel-PHL Philadelphia

7h 15m1 stop Chicago O'Hare Intl

5:43 am - 9:22 amPHL Philadelphia-GRB Green Bay Austin-Straubel

4h 39m1 stop Chicago O'Hare Intl

$319American Airlines

Sat, Oct 3 - Tue, Oct 6

6:07 pm - 11:15 pmGRB Green Bay Austin-Straubel-PHL Philadelphia

4h 08m1 stop Detroit Metropolitan Wayne County

12:22 pm - 5:29 pmPHL Philadelphia-GRB Green Bay Austin-Straubel

6h 07m1 stop Detroit Metropolitan Wayne County

$319Delta

Fri, Nov 20 - Wed, Dec 2

6:25 am - 12:23 pmGRB Green Bay Austin-Straubel-PHL Philadelphia

4h 58m1 stop Chicago O'Hare Intl

6:10 am - 12:30 pmPHL Philadelphia-GRB Green Bay Austin-Straubel

7h 20m1 stop Chicago O'Hare Intl

$319United Airlines

Tue, Sep 22 - Sat, Sep 26

2:40 pm - 9:00 pmGRB Green Bay Austin-Straubel-PHL Philadelphia

5h 20m1 stop Chicago O'Hare Intl

7:26 am - 1:59 pmPHL Philadelphia-GRB Green Bay Austin-Straubel

7h 33m1 stop Chicago O'Hare Intl

$319American Airlines

Tue, Nov 3 - Tue, Nov 10

5:43 am - 2:40 pmGRB Green Bay Austin-Straubel-PHL Philadelphia

7h 57m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

7:25 am - 2:02 pmPHL Philadelphia-GRB Green Bay Austin-Straubel

7h 37m1 stop Chicago O'Hare Intl

$324American Airlines

Sat, Oct 3 - Tue, Oct 6

10:33 am - 5:54 pmGRB Green Bay Austin-Straubel-PHL Philadelphia

6h 21m1 stop Chicago O'Hare Intl

5:08 pm - 11:19 pmPHL Philadelphia-GRB Green Bay Austin-Straubel

7h 11m1 stop Chicago O'Hare Intl

$330United Airlines

Fri, Oct 16 - Mon, Oct 19

7:05 am - 2:40 pmGRB Green Bay Austin-Straubel-PHL Philadelphia

6h 35m1 stop Chicago O'Hare Intl

9:30 am - 2:05 pmPHL Philadelphia-GRB Green Bay Austin-Straubel

5h 35m1 stop Chicago O'Hare Intl

$349United Airlines

Sat, Sep 12 - Wed, Sep 16

6:00 pm - 11:12 pmGRB Green Bay Austin-Straubel-PHL Philadelphia

4h 12m1 stop Detroit Metropolitan Wayne County

6:15 am - 10:22 amPHL Philadelphia-GRB Green Bay Austin-Straubel

5h 07m1 stop Detroit Metropolitan Wayne County

$547Delta

Sun, Sep 27 - Wed, Sep 30

4:16 pm - 11:56 pmGRB Green Bay Austin-Straubel-PHL Philadelphia

6h 40m1 stop Minneapolis St Paul

6:15 am - 10:22 amPHL Philadelphia-GRB Green Bay Austin-Straubel

5h 07m1 stop Detroit Metropolitan Wayne County

$568Delta

Mon, Sep 21 - Sat, Sep 26

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United Airlines flights from Green Bay to Philadelphia

Our best United Airlines deals on Green Bay to Philadelphia flight tickets

United Airlines

Oct 16

GRB10:33 amGreen Bay Austin-Straubel

6h 21m

1 stop

PHL5:54 pmPhiladelphia

Oct 19

PHL5:08 pmPhiladelphia

7h 11m

1 stop

GRB11:19 pmGreen Bay Austin-Straubel

$330

United Airlines

Oct 22

GRB5:00 amGreen Bay Austin-Straubel

6h 25m

1 stop

PHL12:25 pmPhiladelphia

Oct 26

PHL6:15 amPhiladelphia

4h 47m

1 stop

GRB10:02 amGreen Bay Austin-Straubel

$360

United Airlines

Sep 18

GRB3:42 pmGreen Bay Austin-Straubel

4h 45m

1 stop

PHL9:27 pmPhiladelphia

Sep 20

PHL6:25 amPhiladelphia

4h 23m

1 stop

GRB9:48 amGreen Bay Austin-Straubel

$399

American Airlines flights from Green Bay to Philadelphia

Our best American Airlines deals on Green Bay to Philadelphia flight tickets

American Airlines

Oct 3

GRB10:05 amGreen Bay Austin-Straubel

7h 15m

1 stop

PHL6:20 pmPhiladelphia

Oct 6

PHL5:43 amPhiladelphia

4h 39m

1 stop

GRB9:22 amGreen Bay Austin-Straubel

$319

American Airlines

Oct 3

GRB10:05 amGreen Bay Austin-Straubel

7h 41m

2 stops

PHL6:46 pmPhiladelphia

Oct 6

PHL5:33 pmPhiladelphia

7h 39m

1 stop

GRB12:12 amGreen Bay Austin-Straubel

$324

American Airlines

Sep 10

GRB5:43 amGreen Bay Austin-Straubel

5h 09m

1 stop

PHL11:52 amPhiladelphia

Sep 14

PHL5:49 pmPhiladelphia

7h 24m

1 stop

GRB12:13 amGreen Bay Austin-Straubel

$349

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Sat 10/3

5:43 am-11:52 am

1 stop5h 09m

Philadelphia

Tue 10/6

9:21 am-2:02 pm

1 stop5h 41m

$319

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Sat 10/3

10:05 am-6:20 pm

1 stop7h 15m

Philadelphia

Tue 10/6

5:43 am-9:22 am

1 stop4h 39m

$319

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Fri 11/20

6:07 pm-11:15 pm

1 stop4h 08m

Philadelphia

Wed 12/2

12:22 pm-5:29 pm

1 stop6h 07m

$319

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Tue 9/22

6:25 am-12:23 pm

1 stop4h 58m

Philadelphia

Sat 9/26

6:10 am-12:30 pm

1 stop7h 20m

$319

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Tue 11/3

2:40 pm-9:00 pm

1 stop5h 20m

Philadelphia

Tue 11/10

7:26 am-1:59 pm

1 stop7h 33m

$319

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Sat 10/3

5:43 am-2:40 pm

2 stops7h 57m

Philadelphia

Tue 10/6

7:25 am-2:02 pm

1 stop7h 37m

$324

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Fri 10/16

10:33 am-5:54 pm

1 stop6h 21m

Philadelphia

Mon 10/19

5:08 pm-11:19 pm

1 stop7h 11m

$330

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Sat 9/12

7:05 am-2:40 pm

1 stop6h 35m

Philadelphia

Wed 9/16

9:30 am-2:05 pm

1 stop5h 35m

$349

Quickest round-trip

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Sun 9/27

6:00 pm-11:12 pm

1 stop4h 12m

Philadelphia

Wed 9/30

6:15 am-10:22 am

1 stop5h 07m

$547

Green BayPhiladelphia

GRB Green Bay Austin-Straubel - PHL Philadelphia

GRBPHL

Green Bay Austin-Straubel

Mon 9/21

4:16 pm-11:56 pm

1 stop6h 40m

Philadelphia

Sat 9/26

6:15 am-10:22 am

1 stop5h 07m

$568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Green Bay to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Green Bay is in March. Flight prices, which tend to average around $273, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Philadelphia, with average flight prices from Green Bay averaging around $298.

What is the cheapest Green Bay Austin-Straubel to Philadelphia flight route?

Fly from Green Bay Austin-Straubel to Philadelphia for the best Green Bay Austin-Straubel - Philadelphia flight prices

What cabin class options are available on Green Bay to Philadelphia flights?

There is only 1 cabin class available to choose from on Green Bay to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Green Bay to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Green Bay to Philadelphia (GRB to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Philadelphia

Best Price Found	$274
Fastest flight time	4h 28m
Direct flights	None

The best one-way flight to Philadelphia from Green Bay in the past 72 hours is $274. The best round-trip flight deal from Green Bay to Philadelphia found on momondo in the last 72 hours is $319.

The fastest flight from Green Bay to Philadelphia takes 4h 28m

There are no direct flights from Green Bay to Philadelphia. There are no popular flight routes from Green Bay to Philadelphia.

Search flight deals

Frequently asked questions about flying from Green Bay to Philadelphia

How far is Green Bay Austin-Straubel to Philadelphia by plane?
The distance between Green Bay Austin-Straubel and Philadelphia is about 728.2 mi. Flights usually cover this in 4h 28m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Philadelphia Airport?
Prices for flights from Green Bay Austin-Straubel Airport to Philadelphia Airport were last updated today.
How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Philadelphia Airport?
As of August 2026, there are 3 operators available to choose from for flights from Green Bay Austin-Straubel Airport to Philadelphia Airport.
How old do you have to be to fly from Green Bay Austin-Straubel Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Green Bay to Philadelphia?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Green Bay to Philadelphia is Delta (39% of total bookings). The next most popular airlines are United Airlines (34%) and American Airlines (27%).

Best airlines flying from Green Bay to Philadelphia

Compare and see reviews for airlines that fly from Green Bay to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $248	Free Cancellation	Rating 7.8 8,539 reviews	Search Delta flights
American Airlines	PriceFrom $273	Free Cancellation	Rating 7.1 12,019 reviews	Search American Airlines flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 10,138 reviews	Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Philadelphia?

Finding the right flight to Philadelphia from Green Bay is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

Can I find flights from Green Bay to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia from Green Bay on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Green Bay to Philadelphia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Green Bay.

I’m not ready to book a flight from Green Bay to Philadelphia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Green Bay to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.