$238 Cheap Flights from Green Bay (GRB) to Trenton (TTN)

View $238 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Trenton–Mercer Airport (TTN)

Cheap Flights from Green Bay to Trenton (GRB-TTN)

Prices were available within the past 7 days and start at $238 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Green Bay (GRB) to Trenton (TTN)
Origin airport
Austin Straubel Intl.
Destination airport
Mercer
Distance
737 mi

Green Bay to Trenton Flights

The cheapest times to fly from Green Bay to Trenton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Green Bay to Trenton are during the month of . You can find some of the cheapest flights from Green Bay to Trenton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Green Bay to Trenton

Sunday is one of the best days to book for cheap flights from Green Bay to Trenton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Green Bay to Trenton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Green Bay to Trenton in 2025. You can also book with separate airlines for your outbound and return journeys, from $238 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Green Bay to Trenton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Green Bay to Trenton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Mercer Airport (TTN) cost?
Snag a cheap one-way flight from $238 or cheap return flight from Austin Straubel Intl. Airport (GRB) to Mercer Airport (TTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Austin Straubel Intl. Airport (GRB) to Mercer Airport (TTN)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between GRB and TTN. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Mercer Airport (TTN)?
To find the cheapest airline that'll fly you from GRB to TTN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Mercer Airport (TTN)?
There aren't any daily direct flights from Austin Straubel Intl. Airport (GRB) to Mercer Airport (TTN). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from GRB to TTN?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin Straubel Intl. Airport (GRB) to Mercer Airport (TTN)?
To touch down at Mercer Airport (TTN) without delays, book a flight that leaves from Austin Straubel Intl. Airport (GRB) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin Straubel Intl. Airport (GRB) to Mercer Airport (TTN) last-minute?
Last-minute fares from GRB to TTN are generally more expensive. For the lowest prices, start searching for flights as soon as possible. That said, if you're flexible with your travel plans, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a GRB to TTN flight and hotel package?
You'll typically save money by booking a GRB to TTN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Mercer Airport (TTN)?
Typically, you're able to reschedule or cancel your GRB to TTN flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.