Jet fuel prices, which were around $85 to $90 per barrel before the conflict, have increased sharply to between $150 and $200 per barrel in recent days, New Zealand’s flag carrier said, adding it was suspending its financial outlook for 2026 due to uncertainty over the conflict.

The US-Israeli war on Iran has sent oil prices surging, upending global travel and sparking fears of a deep travel slump and the potential for the widespread grounding ​of planes.

In an emailed response to Reuters, Air New Zealand said it had raised one-way economy fares by NZ$10 ($5.92) on domestic routes, NZ$20 on short-haul international services ​and NZ$90 on long-haul flights.

While airfares have spiked on Asia-Europe routes due to airspace closures and capacity constraints, Air New Zealand is one of ⁠the first airlines to announce broad increases to ticket prices since the start of the war.

“If the conflict leads to continued elevated jet fuel costs, we may need to ​take further pricing action and adjust our network and schedule as required,” the carrier said.

As oil prices soar, Vietnam Airlines has asked local authorities to remove an environmental tax on jet fuel ​to help it maintain operations.

The Southeast Asian nation’s government said Vietnamese airlines’ operating costs have risen 60% to 70% due to the rise in jet fuel prices, and fuel suppliers were facing difficulties in meeting airline demand.

Air New Zealand said there was currently no disruption to jet fuel supplies in New Zealand, but it was working closely with suppliers and the government to monitor developments.

Airline shares stabilise

In a move that lifted some airline stocks, US President Donald Trump said on Monday the war could be over soon, sending oil prices down to around $90 a barrel on Tuesday ​from a high of $119 on Monday.

In Asia, airline shares showed signs of stabilising, with Air New Zealand up 2%, Korean Air Lines rising 8%, Australia’s Qantas Airways gaining 1.5%, and Hong Kong carrier Cathay Pacific ‌up more ⁠than 4%.

All had recorded sharp drops on Monday.

Cathay Pacific already has fuel surcharges in place, such as $72.90 each way on flights between Hong Kong and Europe and North America, which it kept flat last month.

The airline said on Tuesday it reviewed the surcharges on a monthly basis, primarily taking into account movements in jet fuel rather than oil prices, and made adjustments where appropriate.

Fuel is the second-largest expense for air carriers after labour, typically accounting for a fifth to a quarter of operating expenses.

Some major Asian and European airlines ​have oil hedging in place, but US airlines ​largely stopped the practice over the last ⁠two decades.

High oil prices and airspace closures due to the war are pushing airline tickets on some routes sky-high and forcing people to reconsider travel plans.

Conflict takes toll on travel industry

High fuel prices could have severe implications for the global travel industry, with airlines already navigating ​tight airspace as pilots reroute to avoid the Middle East conflict and capacity on popular routes fills up.

Combined, Emirates, Qatar Airways and ​Etihad normally fly about one-third ⁠of the passengers from Europe to Asia and more than half of all passengers from Europe to Australia, New Zealand and nearby Pacific Islands, according to Cirium.

South Korea’s HanaTour Service said it has been cancelling group tours that include flights to the Middle East, and it is waiving cancellation fees for affected customers.

All Middle East-related tours for March will be suspended, it added.

In ⁠Thailand, the ​Ministry of Tourism forecast that if the conflict drags on for more than eight weeks, the country will ​lose a total of 595,974 tourists and 40.9 billion baht ($1.29 billion) in tourism revenue.