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

Our cheapest airline available from Portland to Green Bay is Frontier. Our recent data shows that you can find tickets from as low as $265 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $375 and $385 round-trip. These flights start at 52% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Portland to Green Bay one-way?

$135 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $171 and $255, respectively.

What is the cheapest day to fly from Portland to Green Bay?

Travelers seeking maximum savings on their Portland to Green Bay flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Green Bay ranges from 1.1 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Green Bay when rainfall is around 1.1 in.

If weather is an important factor for your trip to Green Bay, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

What are the most popular airlines that fly from Portland to Green Bay?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Portland to Green Bay.

What is the cheapest day to fly round-trip from Portland to Green Bay?

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 33% when planning your travel around this day of the week.

What is the cheapest month to fly from Portland to Green Bay?

The best pricing can be found in the month of January. Prices to Green Bay from Portland average $556. You can even find prices in January for less than $556, as users have found deals to Green Bay from as low as $261. The month of March appears to be one of the more expensive times to travel to Green Bay from Portland. Flying in the targeted month can save you up to 25%.

What is the cheapest time of day to fly from PDX to GRB?

A simple way to save on the total cost of your ticket is to fly from Portland to Green Bay in the afternoon. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at noon.

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

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

How can I find direct flights from Portland to Green Bay?

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

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

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

$135+ Flights from Portland to Green Bay

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Cheap flight deals from Portland to Green Bay

Round-trip from	$265 (FlightHub)
One-way from	$135 (Frontier)
Popular in	March
Cheapest in	January
Average price	$681

From Portland to Green Bay Austin-Straubel

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One-way flight from Portland to Green Bay Austin-Straubel

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Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Portland to Green Bay

Cheapest flights from Portland to Green Bay
Explore the most affordable flight options available from Portland to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Mon 8/46:35 amPDX - GRB

1 stop10h 20mFrontier

Fri 8/87:52 pmGRB - PDX

1 stop29h 32mFrontier

Deal found 7/27

$265

Sat 12/67:59 amPDX - GRB

2 stops11h 34mAmerican Airlines

Tue 12/96:08 amGRB - PDX

1 stop8h 39mAmerican Airlines

Deal found 7/27

$322

Fri 9/2611:42 amPDX - GRB

1 stop9h 18mDelta

Tue 9/305:01 pmGRB - PDX

2 stops8h 51mDelta

Deal found 7/29

$359

Sun 9/2110:51 amPDX - GRB

1 stop8h 52mUnited Airlines

Sat 10/42:40 pmGRB - PDX

1 stop9h 50mUnited Airlines

Deal found 7/29

$360

Best flights from Portland to Green Bay
Discover carefully curated flight deals from Portland to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Mon 8/46:35 amPDX - GRB

1 stop10h 20mFrontier

Fri 8/87:52 pmGRB - PDX

1 stop29h 32mFrontier

Deal found 7/27

$265

Tue 9/236:07 amPDX - GRB

1 stop7h 52mAmerican Airlines

Sat 9/274:35 pmGRB - PDX

1 stop9h 30mAmerican Airlines

Deal found 7/28

$375

Tue 9/237:00 amPDX - GRB

1 stop7h 50mUnited Airlines

Sat 9/275:25 pmGRB - PDX

1 stop7h 05mUnited Airlines

Deal found 7/27

$385

Tue 9/237:15 amPDX - GRB

2 stops13h 45mDelta

Sat 9/275:01 pmGRB - PDX

2 stops8h 51mDelta

Deal found 7/27

$387

Last-minute flights from Portland to Green Bay
Discover last-minute flight deals from Portland to Green Bay. Data last updated July 29, 2025 and is based on user searches.

Mon 8/46:35 amPDX - GRB

1 stop10h 20mFrontier

Fri 8/87:52 pmGRB - PDX

1 stop29h 32mFrontier

Deal found 7/27

$265

Fri 8/810:55 pmPDX - GRB

1 stop9h 16mUnited Airlines

Wed 8/1310:46 amGRB - PDX

2 stops8h 50mUnited Airlines

Deal found 7/28

$649

Fri 8/811:59 pmPDX - GRB

2 stops12h 33mAmerican Airlines

Wed 8/133:01 pmGRB - PDX

2 stops9h 58mAmerican Airlines

Deal found 7/28

$784

Tue 8/128:55 amPDX - GRB

2 stops12h 27mDelta

Sat 8/164:20 pmGRB - PDX

1 stop6h 38mDelta

Deal found 7/28

$687

Fri 8/2211:59 pmPDX - GRB

1 stop8h 06mUnited Airlines

Mon 8/256:15 amGRB - PDX

1 stop7h 34mUnited Airlines

Deal found 7/28

$444

Sun 8/3110:23 amPDX - GRB

1 stop5h 48mAmerican Airlines

Thu 9/411:11 amGRB - PDX

2 stops12h 16mAmerican Airlines

Deal found 7/29

$443

One-way flights from Portland to Green Bay
Search for one-way flight options from Portland to Green Bay. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Mon 8/186:35 amPDX - GRB

1 stop10h 20mFrontier

Deal found 7/28

$135

Wed 8/2011:58 pmPDX - GRB

1 stop7h 14mAmerican Airlines

Deal found 7/28

$171

Tue 8/1911:59 pmPDX - GRB

1 stop8h 06mUnited Airlines

Deal found 7/28

$255

Mon 8/1812:35 pmPDX - GRB

2 stops20h 51mDelta

Deal found 7/28

$334

Fly from

Fly to

Route

Depart

Return

Price

PortlandGreen Bay

PDX - GRB

PDXGRB

Portland

Mon 8/4

6:35 am-6:55 pm

1 stop10h 20m

Green Bay Austin-Straubel

Fri 8/8

7:52 pm-11:24 pm

1 stop29h 32m

$265

PortlandGreen Bay

PDX - GRB

PDXGRB

Portland

Tue 9/23

6:07 am-3:59 pm

1 stop7h 52m

Green Bay Austin-Straubel

Sat 9/27

4:35 pm-12:05 am

1 stop9h 30m

$375

PortlandGreen Bay

PDX - GRB

PDXGRB

Portland

Tue 9/23

7:00 am-4:50 pm

1 stop7h 50m

Green Bay Austin-Straubel

Sat 9/27

5:25 pm-10:30 pm

1 stop7h 05m

$385

PortlandGreen Bay

PDX - GRB

PDXGRB

Portland

Tue 9/23

7:15 am-11:00 pm

2 stops13h 45m

Green Bay Austin-Straubel

Sat 9/27

5:01 pm-11:52 pm

2 stops8h 51m

$387

PortlandGreen Bay

PDX - GRB

PDXGRB

Portland

Mon 8/18

6:35 am-6:55 pm

1 stop10h 20m

$135

PortlandGreen Bay

PDX - GRB

PDXGRB

Portland

Wed 8/20

11:58 pm-9:12 am

1 stop7h 14m

$171

PortlandGreen Bay

PDX - GRB

PDXGRB

Portland

Tue 8/19

11:59 pm-10:05 am

1 stop8h 06m

$255

PortlandGreen Bay

PDX - GRB

PDXGRB

Portland

Mon 8/18

12:35 pm-11:26 am

2 stops20h 51m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Portland to Green Bay

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

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

Currently, January is the cheapest month in which you can book a flight from Portland to Green Bay (average of $331). Flying from Portland to Green Bay in June is currently the most expensive (average of $460). 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.

Reviews of airlines servicing Green Bay

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Portland to Green Bay by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,979 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,896 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.9

Fair

3,238 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Portland to Green Bay round-trip?
Our cheapest airline available from Portland to Green Bay is Frontier. Our recent data shows that you can find tickets from as low as $265 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $375 and $385 round-trip. These flights start at 52% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Portland to Green Bay one-way?
$135 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $171 and $255, respectively.
Can I find deals for flights from Portland to Green Bay that include hotel bookings?
Yes. In addition to deals on Portland to Green Bay flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Green Bay?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Green Bay.
Can I find deals for business class flights from Portland to Green Bay?
Yes. Cheapflights offers flight deals from Portland to Green Bay 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 Portland to Green Bay?
Currently, January is the cheapest month in which you can book a flight from Portland to Green Bay (average of $331). Flying from Portland to Green Bay in June is currently the most expensive (average of $460). 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

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Other flights to Green Bay

Top 3 airlines flying from Portland to Green Bay

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$233	Average$519	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$258	Average$492	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$380	Average$624	FlexibilityNo cancel fee	On-time69%

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$135+ Cheap flights from Portland to Green Bay (PDX - GRB)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Green Bay with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Portland to Green Bay

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Green Bay

Cheapest flights from Portland to Green BayExplore the most affordable flight options available from Portland to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Portland to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Green Bay that are best for you.

Best time to book a flight from Portland to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Portland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portland to Green Bay

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

Reviews of airlines servicing Green Bay

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Portland to Green Bay by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

What are the cheapest airlines to fly from Portland to Green Bay one-way?

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

How can I find direct flights from Portland to Green Bay?

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

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

Traveling to a place near Green Bay?

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Alternative routes for Portland to Green Bay

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

Top 3 airlines flying from Portland to Green Bay

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Cheapest flights from Portland to Green Bay
Explore the most affordable flight options available from Portland to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.