In celebration of Earth Week, Frontier Airlines -proudly known as America’s Greenest Airline– is inviting travelers to explore more and spend less with amazing flight deals. For a limited time, enjoy 50% off base fares now through April 25, 2025. This eco-friendly promotion encourages travelers to not only take to the skies but to do so with intention and awareness of our planet.
50% off flight deals
Indeed, you don’t want to miss this unbeatable sale. To take advantage of current flight deals, you’ll need a handy promotional code.
Specifically, use promo code FLYGREEN when booking on FlyFrontier.com or through the Frontier mobile app and enjoy discounts on travel throughout the spring and summer. The offer applies to Tuesday and Wednesday flights through August 18, 2025, making it perfect for those seeking mid-week getaways, nature escapes, or affordable family travel.
“From our fuel-efficient aircraft fleet to our weight-saving initiatives on board, to the stories of the animals on our plane tails, caring for the planet is central to our mission at Frontier,” said Jeff Werkheiser, senior director of brand and customer engagement at Frontier. “In honor of Earth Week, we are thrilled to thank our customers for the steps they are taking to be green along with us by offering half-off base fares and the chance to win free flights on America’s Greenest Airline this spring and summer.”
Important to note, this promotion applies to base fares only and excludes government taxes and carrier fees. For full details, visit here.
Win a $250 flight voucher
Known for its sustainability efforts, Frontier is 44% more fuel efficient than its competitors on a per-seat-mile basis.
In 2024, it was named North American Environmental Sustainability Airline of the Year by the Centre for Aviation. In fact, Frontier saved over 168 million gallons of fuel, reducing emissions in impactful ways.
Additionally, as a part of the celebration, Frontier also launched America’s Greenest Airline Challenge. Travelers are invited to pledge simple, eco-conscious actions – like reusing household items, shopping secondhand, supporting local businesses, or just getting outside on Earth Day.
Participants will be eligible to win a $250 flight voucher, with 100 winners selected at random.
It’s a small step toward a greener future—and the perfect time to book your next trip with purpose.
Enter here.