$186 Cheap Flights from Green Bay (GRB) to Harlingen (HRL)

View $186 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Valley Intl. Airport (HRL)

Cheap Flights from Green Bay to Harlingen (GRB-HRL)

Prices were available within the past 7 days and start at $186 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Apr 21 - Sat, May 2
GRB
Green Bay
HRL
Harlingen
$289 Roundtrip, found 6 days ago
$289
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Apr 21 from Green Bay to Harlingen, returning Sat, May 2, priced at $289 found 6 days ago
Delta
Sat, Apr 18 - Sat, May 2
GRB
Green Bay
HRL
Harlingen
$303 Roundtrip, found 6 days ago
$303
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Apr 18 from Green Bay to Harlingen, returning Sat, May 2, priced at $303 found 6 days ago
Delta
Tue, Apr 21 - Sun, May 3
GRB
Green Bay
HRL
Harlingen
$314 Roundtrip, found 6 days ago
$314
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Apr 21 from Green Bay to Harlingen, returning Sun, May 3, priced at $314 found 6 days ago
Delta
Sat, Apr 18 - Tue, May 5
GRB
Green Bay
HRL
Harlingen
$317 Roundtrip, found 6 days ago
$317
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Apr 18 from Green Bay to Harlingen, returning Tue, May 5, priced at $317 found 6 days ago
Delta
Sat, Apr 18 - Sun, May 3
GRB
Green Bay
HRL
Harlingen
$328 Roundtrip, found 6 days ago
$328
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Apr 18 from Green Bay to Harlingen, returning Sun, May 3, priced at $328 found 6 days ago
Delta
Tue, Apr 21 - Sat, Apr 25
GRB
Green Bay
HRL
Harlingen
$334 Roundtrip, found 6 days ago
$334
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Apr 21 from Green Bay to Harlingen, returning Sat, Apr 25, priced at $334 found 6 days ago
Delta
Tue, Apr 21 - Mon, May 4
GRB
Green Bay
HRL
Harlingen
$335 Roundtrip, found 6 days ago
$335
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Apr 21 from Green Bay to Harlingen, returning Mon, May 4, priced at $335 found 6 days ago
Delta
Fri, Apr 17 - Sun, May 3
GRB
Green Bay
HRL
Harlingen
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Apr 17 from Green Bay to Harlingen, returning Sun, May 3, priced at $339 found 6 days ago
United
Tue, Apr 21 - Sat, Apr 25
GRB
Green Bay
HRL
Harlingen
$344 Roundtrip, found 6 days ago
$344
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 21 from Green Bay to Harlingen, returning Sat, Apr 25, priced at $344 found 6 days ago
American Airlines
Tue, Jan 6 - Sat, Jan 17
GRB
Green Bay
HRL
Harlingen
$407 Roundtrip, found 4 days ago
$407
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 6 from Green Bay to Harlingen, returning Sat, Jan 17, priced at $407 found 4 days ago

Alternative airports near Harlingen

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Brownsville-South Padre Island Intl. BRO. Cheapest option available. Average driving time to city center is 33 minutes. Flights from $618
BRO
Brownsville-South Padre Island Intl.
Cheapest
Average driving time to city center33 min
Flights from $618
Flights from Green Bay (GRB) to Harlingen (HRL)
Origin airport
Austin Straubel Intl.
Destination airport
Valley Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$288
Distance
1369 mi

Green Bay to Harlingen Flights

The cheapest times to fly from Green Bay to Harlingen

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 Harlingen are during the month of April. You can find some of the cheapest flights from Green Bay to Harlingen with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Green Bay to Harlingen: 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 Harlingen

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 Harlingen in 2026. You can also book with separate airlines for your outbound and return journeys, from $186 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 Harlingen 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 Harlingen 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 Valley Intl. Airport (HRL) cost?
Get a cheap one-way flight from $186 or cheap return flight from $289 from Austin Straubel Intl. Airport (GRB) to Valley Intl. Airport (HRL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Austin Straubel Intl. Airport (GRB) to Valley Intl. Airport (HRL)?
Flying in April is a great way to save, as it's the cheapest month for flights between GRB and HRL. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Valley Intl. Airport (HRL)?
To find the cheapest airline that'll fly you from GRB to HRL, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Valley Intl. Airport (HRL)?
Nonstop flights from Austin Straubel Intl. Airport (GRB) to Valley Intl. Airport (HRL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GRB to HRL?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Valley Intl. Airport (HRL)?
To avoid possible delays on the Austin Straubel Intl. Airport (GRB) to Valley Intl. Airport (HRL) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Valley Intl. Airport (HRL) last-minute?
Holding off until just before your departure to book your flight from GRB to HRL generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans for the best chance of landing a bargain.
Is it cheaper to book a GRB to HRL flight and hotel package?
Booking a GRB to HRL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Valley Intl. Airport (HRL)?
If you booked your GRB to HRL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.