$114 Cheap Frontier Airlines flights Green Bay (GRB) to Las Vegas (LAS)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Frontier Airlines round-trip flights from $228 from GRB to LAS. Affordable one-way options from $114 are also available.**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.

January is one of the least expensive months to travel to Las Vegas with Frontier Airlines. You could also find excellent prices on one-way and return fares in June.

For cheap Frontier Airlines fares from Austin Straubel Intl. Airport (GRB) to Harry Reid Intl. Airport (LAS), start searching one to three months before your planned 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 is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight 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.

Fill in your dates, click search and check the “Nonstop” filter on Expedia to browse any direct flights from GRB to LAS with Frontier Airlines or another carrier.

To find the earliest departure from GRB to LAS with Frontier Airlines, sort your results by “Early Morning” and “Morning.” Choosing an early flight usually means you’re less likely to experience 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.

Frontier Airlines flights from Austin Straubel Intl. Airport (GRB) to Las Vegas arrive at Harry Reid Intl. Airport (LAS). This is the main entry point here.

A rewarding loyalty program and the opportunity to collect points through Frontier Miles are the start of the reasons to depart from GRB to LAS with Frontier Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. It’s yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of ticket you purchased, a fee will generally apply if you cancel or reschedule your booking more than 24 hours after it’s confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter while searching for flights. For additional information on modifying or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”