ACMI Leasing with Confidence

An ACMI (Aircraft, Crew, Maintenance and Insurance) leasing provider with a difference. We combine a modern fleet of Boeing 737-800 aircraft with our customer centric team, to be your trusted partner in meeting fleet capacity needs across Europe and around the world.

Count on us to deliver your aircraft leasing solution

FLY4’s ACMI leasing creates a seamless extension to your fleet, using the same aircraft types you already operate. This ensures a smooth, safe, and hassle-free experience for your team and passengers alike. We’re experienced and equipped to integrate into your route network when you need additional capacity or aircraft replacement.

Speak to the FLY4 ACMI team

How are our ACMI leasing services different?

Aircraft Safety and Reliability

We ensure that our aircraft are meticulously maintained to meet the highest safety standards, adhering rigorously to aviation regulations.

Our Flight Crew

We effectively manage and deploy well-trained and engaged flight crews, while maintaining compliance with strict rest and duty-time regulations to ensure safety and top crew performance.

Operational Efficiency

We seek to optimise flight rosters, fuel management, and resource allocation to reduce costs and enhance productivity.

24/7 Customer Service

We deliver exceptional service to clients and passengers, including punctual performance, transparent communication, and prompt and professional handling of customer needs. Contact us to speak with our experienced team.

Wet leasing or damp leasing, FLY4 tailor to your requirements.

When it comes to ACMI leasing solutions, FLY4 offers both wet leasing and damp leasing services.

Wet leasing. Ideal for airlines looking to maintain their own in-flight service.

With FLY4’s wet leasing solution you can rely on the all-in-one operational solution, with the utmost flexibility and short lead-times for your organisation. Our competitive Block Hour rates are typically based on an ACMIO logic excluding crew per diems, transport, hotac and any special requirements you may have. This service allows you to scale operations rapidly without the need for hiring or training additional staff, making it a flexible and cost-effective solution.

This service allows you to scale operations rapidly without the need for hiring or training additional staff, making it a flexible and cost-effective solution.

Damp leasing. Perfect for airlines with enough crew.

Often airline customers want to provide their own signature in-flight service utilising their own cabin crew. FLY4 can easily accommodate such requests and will work with you to complete the required Operator’s Conversion Course in the most efficient, timely and compliant manner.

This option is ideally suited for airlines seeking to deliver their own ‘In-Flight Services’ product by their own cabin crew, but are seeking to expand, enhance or complement their own in-house production.

Our home is Ireland. Our coverage is worldwide.  With our fleet of Boeing 737-800.

While our Head Office is located in Ireland, we can provide support wherever you require with our modern and efficient fleet of Boeing 737-800 aircraft.

FLy4 Boeing Jet

Boeing 737-800 Family | Capacity: 189 seats | Number of aircraft: 4
Range: Up to 5,460km (short to mid-haul)

Our Boeing Aircraft Fleet

Latest News

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2025 in review – a year of record growth and global reach

As 2025 draws to a close, FLY4 Airlines reflects on a year defined by scale, resilience, and bold expansion. From record-breaking summer operations to our first long-term ACMI programme outside Europe, we’ve delivered on our promise of flexibility and reliability for partners worldwide. Here are the highlights that shaped success, in what has been just…

Indira Gandhi International (DEL) Airport
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FLY4 Airlines Expands into India with QuikJet’s Local Expertise

FLY4 Airlines’ strategic partnerships continue to go from strength to strength as we accelerate our growth plan, teaming up with QuikJet to enter the Indian market with local expertise on our side. The partnership embeds local expertise and cultural understanding into FLY4’s winter ACMI (Aircraft, Crew, Maintenance, and Insurance) operations in Delhi, facilitating integration with…

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Our largest ACMI operation with 400,000 holidaymakers’ travel plans supported this summer

We’ve successfully completed our second summer season (S25), building on the momentum of our exceptional debut in 2024. Operating from May to October 2025, we delivered a robust performance through our strategic ACMI partnership with TUI, operating from UK regional hubs Norwich (NWI), Birmingham (BHX), and East Midlands (EMA), supporting nearly 400,000 holidaymakers travel plans.…

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Expanding global reach with first long-term ACMI programme outside Europe 

We’re proud to announce a major milestone in our growth journey: the launch of our first long-term ACMI (Aircraft, Crew, Maintenance, and Insurance) programme outside Europe. In partnership with India’s SpiceJet, we will deploy four aircraft for the upcoming winter season, operating a mix of domestic and international routes from Delhi.  This strategic collaboration, facilitated…

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From classroom to cabin: An inside look at FLY4’s intensive crew training

Consistent, high-quality crew training is one of the foundations of operational excellence at FLY4. It’s not a box-ticking exercise: it’s how we build confidence, consistency and the calm competence that passengers expect in routine and unexpected situations alike. What it means in practice: For our partners — airlines, tour operators and brokers get crews who…

Douglas Fay our CFO
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Inside FLY4: Doug Fay is shaping the airline’s financial future

Doug joined FLY4 Airlines as Chief Financial Officer in January 2024, inspired by the rare opportunity to build a new ACMI airline — in a sector he believes will play a central role in the years ahead. “The aviation sector has always been quick to adapt and innovate through disruption — whether facing a global…