$84 Cheap Frontier Airlines flights Denver (DEN) to Green Bay (GRB)

View $84 flight on Mon, Jul 28, 2025Opens in a new window

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$84 Cheap Frontier Airlines flights Denver (DEN) to Green Bay (GRB)

Prices were available within the past 7 days and start at $84 for one-way flights and $168 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Aug 15 - Mon, Aug 18
DEN
Denver
GRB
Green Bay
$168 Roundtrip, found 2 hours ago
$168
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Aug 15 from Denver to Green Bay, returning Mon, Aug 18, priced at $168 found 2 hours ago
Frontier Airlines
Mon, Jun 23 - Mon, Jun 30
DEN
Denver
GRB
Green Bay
$184 Roundtrip, found 6 days ago
$184
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Jun 23 from Denver to Green Bay, returning Mon, Jun 30, priced at $184 found 6 days ago
Frontier Airlines
Fri, Jun 20 - Fri, Jun 20
DEN
Denver
GRB
Green Bay
$203 Roundtrip, found 3 days ago
$203
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Jun 20 from Denver to Green Bay, returning Fri, Jun 20, priced at $203 found 3 days ago
Frontier Airlines
Mon, Jul 14 - Mon, Jul 21
DEN
Denver
GRB
Green Bay
$209 Roundtrip, found 3 hours ago
$209
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Jul 14 from Denver to Green Bay, returning Mon, Jul 21, priced at $209 found 3 hours ago
Frontier Airlines
Mon, Aug 11 - Mon, Aug 11
DEN
Denver
GRB
Green Bay
$213 Roundtrip, found 5 hours ago
$213
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, Aug 11 from Denver to Green Bay, returning Mon, Aug 11, priced at $213 found 5 hours ago
Frontier Airlines
Mon, Jul 7 - Fri, Jul 11
DEN
Denver
GRB
Green Bay
$215 Roundtrip, found 8 hours ago
$215
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Mon, Jul 7 from Denver to Green Bay, returning Fri, Jul 11, priced at $215 found 8 hours ago
Frontier Airlines
Mon, Jul 28 - Fri, Aug 1
DEN
Denver
GRB
Green Bay
$218 Roundtrip, found 1 hour ago
$218
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jul 28 from Denver to Green Bay, returning Fri, Aug 1, priced at $218 found 1 hour ago
Frontier Airlines
Fri, Jun 20 - Wed, Jul 2
DEN
Denver
GRB
Green Bay
$235 Roundtrip, found 4 days ago
$235
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Jun 20 from Denver to Green Bay, returning Wed, Jul 2, priced at $235 found 4 days ago
Flights from Denver (DEN) to Green Bay (GRB)
Origin airport
Denver Intl.
Destination airport
Austin Straubel Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Popular airline
United
Distance
903 mi

Frequently asked questions

How much is a Frontier Airlines flight from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB)?
Grab affordable round-trip Frontier Airlines flights from $168 from DEN to GRB by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $84 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to GRB with Frontier Airlines?
Look for return or one-way flights to Green Bay in February or April. You could find lower fares with Frontier Airlines during these off-peak travel months.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB) with Frontier Airlines?
To find cheap Frontier Airlines fares from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the cost. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB)?
To find out if there's a direct trip from DEN to GRB with Frontier Airlines or any other carriers, check the "Nonstop" box when searching for flights.
What is the earliest Frontier Airlines flight from DEN to GRB?
To find the earliest departure from DEN to GRB with Frontier Airlines, sort your results by "Morning" and "Early Morning." Booking an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Green Bay?
Austin Straubel Intl. Airport (GRB) is the main Green Bay hub for Frontier Airlines flights from Denver Intl. Airport (DEN).
Why fly with Frontier Airlines from DEN to GRB?
A rewarding loyalty program and the ability to rack up points through Frontier Miles are the start of the reasons to fly from DEN to GRB with Frontier Airlines. Plus, when you sign up to Expedia's free One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB)?
It's generally possible to reschedule or cancel your flight, although additional charges may apply if you booked over 24 hours ago. Prefer to keep your options open? Use our "Changes included" and "No cancel fee" filters to find flights that won't charge extra if you need to adjust your plans. To make changes, go to "Trips," select your flight and click on "Manage Booking" for further information.

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