Air India and Air New Zealand announced they will cut flights and hike fares as jet fuel prices surge due to the US-Israeli war with Iran.
Many airlines around the world have had to take emergency measures to counter the rising cost of fuel, which typically makes up 20-40% of their operating costs.
Last week, the benchmark European jet fuel price hit an all-time high of $1,838 (£1,387) per tonne, compared with $831 before the war began.
Analysts warned that travellers should expect further ticket price rises and more cancelled flights as the conflict continues.
The Gulf is a major source of aviation fuel, accounting for about 50% of Europe's imports. The bulk of it comes through the Strait of Hormuz, which Iran has effectively closed in response to US and Israeli attacks.
