2026 Fall Intern, Tax

Why Work for Frontier Airlines?

At Frontier, we believe the skies should be for everyone. We deliver on this promise through our commitment to Low Fares Done Right. This is more than our tagline - it’s our driving philosophy. Every member of Team Frontier has an important role to play in bringing this vision to life. Our successful business model allows travelers to take advantage of our fast-growing route network while our bundled and unbundled pricing options allow our customers to personalize their travel experience and only pay for the services they need – saving them money along the way.

About the Role

The Tax Intern will assist Frontier’s Tax team with indirect and direct tax compliance obligations. The Intern will also assist with tax research and with monthly-end, quarter-end and year-end closings. The intern will gain experience throughout the Tax team through assigned project work and on the job training. This internship is for Fall 2026 -9/9/2026 - 12/11/2026 based in Denver, CO.

Responsibilities

• Compilation of information and data for various tax returns, including income, property, excise, fuel and sales/use taxes.
• Compilation of information for the financial statement requirements of the tax department.
• Maintain the tax department’s calendar.
• Aid with federal and state audit information requests.
• Aid with monthly journal entry and tax account reconciliation processes.
• Preparation of sales and use tax, excise tax and fuel tax return workpapers.
• Processing of tax returns and tax payments.
• Reconciliation of tax notices with existing records.
• Tax research projects as required.
• Perform other tax compliance and administrative duties as assigned by management.

Qualifications

• Undergraduate sophomore-level students or above working towards a Bachelor’s Degree in Accounting (concentration in Tax a plus)
• Graduate students working towards a Master’s Degree in Taxation or Business Administration (concentration in Accounting of Finance)
• Prior work experience, including a prior co-op internship in accounting or tax is preferred, but not mandatory
• Experience in Microsoft Excel and Word
• Detail-oriented and possess good organizational skills
• Strong communication skills
• Demonstrates competency in problem-solving skills
• Demonstrates interest in learning tax
• Demonstrates values of self-motivation, integrity, accountability, teamwork and innovation

Work Environment

Typical office environment, adequately heated and cooled

Physical Effort

Generally, not required.

Please note: this posting has a closing date of on or before 8/6/2026, midnight MT. Pay Rate Class Year Interns ($ per hour) Freshman 19.50 Sophomore 20.50 Junior 21.50 Senior 22.25 Graduate Program 24.25

Please be advised that duties and expectations of this position may be subject to change.

COLORADO RESIDENTS: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.