Cheap Flights from Green Bay to Portland

Compare Green Bay to Portland flight deals

Find the cheapest month or even day of the year to fly to Portland

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Flight deals from Green Bay to Portland

Looking for a cheap last-minute deal or the best return flight from Green Bay to Portland? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Green Bay to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Green Bay to Portland flights are currently cheapest in November.

Green Bay to Portland: Alternative routes

Compare routes from Green Bay to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Green Bay to Portland: Flight information

The things to know before you go.
Cheapest flight foundR 3,928
Cheapest month to flyNovember

Finding cheap flights from Green Bay to Portland: Frequently asked questions

The best price we found for a return flight from Green Bay to Portland is R 5,610. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Green Bay to Portland. But we found flights with one or more stops from R 5,610.
As of September 2025, there are no flights flying from Green Bay to Portland.
The cheapest month to fly from Green Bay to Portland is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Green Bay Airport to Portland Airport on Wednesday, 8 October 2025.
No airlines currently offer direct flights between Green Bay Airport and Portland Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Portland.

Travelling from Austin Straubel International Airport (GRB) to Portland International Airport (PDX): what you need to know

  • The timezone in Portland is UTC-7, which is two hours behind Green Bay.

  • Your GRB to PDX flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • You can expect bigger queues during popular months such as September. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Austin Straubel International Airport to Portland International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Worthwhile stopovers between GRB and PDX include:

    • Minneapolis-St. Paul International Airport

    • O'Hare International Airport

    • Denver International Airport

How to find the cheapest flights from Austin Straubel International Airport (GRB) to Portland International Airport (PDX)

  • R 3,928 is the best price for a one-way Austin Straubel International Airport to Portland International Airport flight. Return flights start from R 5,610. These prices may change based on availability and demand.

  • Don't leave things to the last moment. You're more likely to find cheap tickets from GRB to PDX if you book ahead. Airlines often offer some amazing early bird rates.

  • Finding cheap flights from Austin Straubel International Airport to Portland International Airport is easy if you can be flexible with your dates. Use the 'Whole month' tool to see the best prices across each month and land a great deal.

  • Landing cheap flights from GRB to PDX is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when a new deal comes up.

  • Secure the right flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Austin Straubel International Airport to Portland International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Austin Straubel International Airport (GRB)

  • GRB is located at 2077 Airport Drive.

  • When it comes to the on-time performance of Austin Straubel International Airport, data shows 74.0% of flights arrive within the scheduled timeframe.

  • Austin Straubel International Airport is about 14 kilometres from central Green Bay. If you're driving, catching a cab or ride-sharing from the centre, it'll take 15 minutes or so to get there, depending on the traffic.

  • Get your trip off to a relaxed start by staying near GRB. Whether you've booked an early flight from Austin Straubel International Airport to Portland International Airport or want to avoid feeling rushed, these stays are perfect:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • PDX is located at 7000 NE Airport Way.

  • From Portland International Airport, Portland is approximately 19 kilometres away. It takes around 20 minutes to drive to the centre.

  • Travelling by public transport will take you roughly 45 minutes.

When to fly to Portland International Airport (PDX)

  • It's time to work out your travel dates for your flight from Austin Straubel International Airport to Portland International Airport. July is the most popular month to head to Portland. If you prefer a more laid-back vibe, go in May.

  • The warmest month in Portland is August, with temperatures ranging between 12ºC (54ºF) and 31ºC (88ºF). Lock in your flights from Austin Straubel International Airport to Portland International Airport in this month if you enjoy this type of weather.

  • Search for cheap tickets from GRB to PDX in December if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United States

  • Seattle is just one of the many cities in United States waiting to be discovered after you've experienced Portland. Around 241 kilometres away to the north, popular attractions include Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • Around 467 kilometres north-east of Portland, Spokane is another essential stop in United States. Start your sightseeing at Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.