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The modern widebody sector is defined by competition between the A350 and the 787, at least until the 777X comes onto the market. When choosing which jet to go for, airlines have to consider their commercial viability. This judgment includes comparing each aircraft’s list prices, alongside their standard operating costs.
Such an analysis positions the 787 Dreamliner as the cheaper aircraft to buy across most variants. However, it also usually has higher operating costs per seat. Let’s examine more about how these costs compare.
Comparing The List Prices
The price airlines will pay for their aircraft will depend on the deal their purchasing teams can reach with the manufacturer. Depending on the size of the order, this price will usually be a discount from the list prices. However, there are list prices available that set the benchmark for the price point. These prices will be different depending on the exact variant, with the larger variants in an aircraft’s family normally costing more. The A350 has two passenger variants: the A350-900 and the longer A350-1000.
Of these, the A350-900 has a list price of $317 million, while the A350-1000 has a list price of $367 million. Two of the three Boeing 787 Dreamliner variants are substantially cheaper, as the list price for the smallest variant, the 787-8, is $248 million. Meanwhile, the mid-sized variant has a list price of $292 million, and the largest variant, the 787-10, has a list price between the A350-1000 and the A350-900, at $338 million.
How Do Charter Costs Compare?
Purchasing an aircraft is not the only way that it can be flown. Private owners and airlines can also choose to charter the jets from business jet and charter service providers. Paramount Business Jets estimates that the average cost of chartering a 
Boeing 787 is $30,950 an hour. As with purchasing the aircraft, the costs will be higher for those chartering the larger variants. Other business aviation services, such as premium cabin crew and inflight refreshments, will also push this cost higher.
|
Speficiations |
787-10 |
A350-900 |
|---|---|---|
|
Maximum Seats |
440 |
440 |
|
Wingspan |
197 ft 3 in (60.12 m) |
212 ft 5.2 in (64.75 m) |
|
Maximum Takeoff Weight |
560,000 lb (254,000 kg) |
623,908 lb (283,000 kg) |
|
Powerplant |
General Electric GEnx-1B or Rolls-Royce Trent 1000 producing 76,000 lbf (340 kN) |
2 × Rolls-Royce Trent XWB-84 producing 84,200 lbg (374.5 kN) each |
|
Range |
6,330 nautical miles (11,720 km) |
8,500 nautical miles (15,750 km) |
|
Cruising Speed |
488 knots |
488 knots |
Aviation Base has estimated the costs of chartering an Airbus ACJ350. This is the business jet version of the A350, for which an outright purchase will cost $300-$375 million. Aviation Base puts chartering costs at $30,000-$40,000 an hour, depending on the selected provider and other factors. This cost includes a chartering fee of $7,000-$8,000 per hour, plus an operating cost of $15,000-$20,000 per hour. Also factored into this price point are fuel, crew salaries, insurance, and other miscellaneous costs.
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Operating Costs Per Seat
When a carrier assesses the commercial viability of an aircraft, it won’t only consider the purchase cost. If that were the case, they would purchase old and second-hand aircraft. However, such jets come with much higher operating costs, as they are inefficient and require constant and expensive upkeep. Modern jets, including the Airbus A350 and 787, are more commercially viable because they have comparatively low operating costs per seat hour.
As with purchasing and chartering prices, operating costs are usually higher for larger, higher-capacity variants. However, this can be offset by the higher capacity, which spreads the cost across more seats. The operating cost for a 787 Dreamliner’s smallest variant is $30 per seat hour. This is the highest per-seat cost of the Dreamliner variants.
Meanwhile, the Boeing 787-9, the most popular variant, comes in at $25.86 per seat hour. This is a little higher than the Airbus A330-900, $22.43, which is often considered the aircraft that the 787-9 competes with most directly. Finally, the Boeing 787-10 has the lowest cost per seat at $19.54 an hour.
The A350 has comparable operating costs, which result from the A350’s advancements in fuel efficiency. Airbus claims that the A350’s fuel burn is 25% lower than that of its nearest competitors. Likewise, the jet offers a range improvement of 34.8% on the 777-200 and 25% lower maintenance costs than the 777 family. The operating cost per seat comes in at $22.81 per seat hour, which is substantially lower than all variants of the Boeing 787 Dreamliner apart from the 787-10.
The Other Costs Are Larger Than You Might Expect
Purchasing a jet and keeping it fueled are not the only costs airlines have to deal with. The costs of aircraft ownership and maintenance are usually only around 20% of an airline’s overall operating costs. Many of the other costs are beyond the aircraft itself, and they are also higher than you might expect.
Simple Flying broke down airlines’ overall operating costs in 2024, and found that some unexpected costs are ‘airport and navigation’ (8% of overall operating costs), total distribution (6%), and passenger services (5%). Total distribution costs mean the fees paid to travel agents and third-party booking platforms that help airlines sell tickets. Another high cost is paying staff salaries and meeting their training needs, as salaries are often negotiated with unions or based on pay bands tied to experience.
As such, airlines often have little way of reducing these costs. Benefits, such as pension contributions and bonuses, add further costs. Automating certain tasks, such as the check-in process, has allowed some airlines to reduce costs. Training costs, particularly for pilots, cabin crew, and ground engineers, are more related to an airline’s choice of aircraft. Ensuring that the fleet is focused on a particular type of aircraft or manufacturer ensures a greater degree of commonality and reduces the need to retrain staff.
Moving back to the costs more commonly associated with aviation, some airlines have been able to improve their profit margins by getting a bit creative. One example is fuel hedging. This is the practice of buying large quantities of fuel when the price drops. Airlines have to move fast, so increased demand can push prices back up again. Delta Air Lines has got even more creative, as, in 2020, the New York Times reported that the carrier had acquired a fuel refinery.
The Actual Cost Of Renting A Private Jet In 2025
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How Singapore Airlines Manages Its A350 Operating Costs At Scale
Managing aircraft operating costs can be challenging when airlines have large fleets, but it also opens new opportunities to reduce costs while standardizing premium products at scale. Singapore Airlines is currently the world’s largest A350 operator with over 50 examples in active service. The carrier uses these jets for its long-haul and ultra-long-haul network, flying from its hub in Singapore to destinations in the USA and Europe.
One way in which Singapore Airlines reduces its A350 operating costs is by ensuring it is being utilized in the most financially efficient way. The A350 performs best on high-yield long-haul routes, where its fantastic fuel efficiency and unmatched range can deliver. Meanwhile, carriers using the A350 for shorter routes have to deal with much higher costs per seat. Singapore also focuses on its premium services aboard the A350 to enhance the revenue it can make per seat.
Having such a huge fleet of A350s also brings opportunities to reduce costs, as it allows for fantastic fleet commonality. The carrier has been able to standardize its pilot training and maintenance procedures while maintaining an impressive spare parts inventory. This means less time is wasted while the aircraft is repaired, and pilots can stay in the skies without having to undergo unnecessary training programs.
Which Is Cheaper?
As has been explored in this article, a Boeing 787 Dreamliner is usually a cheaper aircraft to purchase than the A350. All variants are cheaper than the A350-1000, and only the Boeing 787-10 is more expensive than the A350-900. However, some costs are close enough that well-brokered deals can make an A350 cheaper than the list price of a 787.
Furthermore, the purchase price is just one cost carriers need to consider when purchasing an aircraft. Airlines also pay a vast amount for operating and aircraft maintenance costs. The A350 had its first flight four years after the 787 Dreamliner, indicating that it benefits from slightly more recent technology. As a result, the highly efficient A350 generally has lower operating costs than the Dreamliner, with the outlier being the high-capacity 787-10.
The other miscellaneous costs detailed in this article are difficult to pin down and are only tangentially connected to the aircraft themselves. These costs will vary greatly depending on the region and measures taken by the carrier to reduce them.
