There are simple but critical steps you should take right now if you plan to travel.

The war has sent oil prices surging, upending global travel and pushing airline ticket costs on some routes sky-high.

The Iran war is restricting shipments of Saudi and Iraqi oil through the crucial Strait of Hormuz. That's raising prices on gas and other items.

There are simple but critical steps you should take right now if you plan to travel.

Jet fuel costs — which account for about 30% of airline expenses, according to Deutsche Bank — have spiked since the Iran war began.

Fuel typically accounts for 20% to 25% of an airline’s operating costs, making it the second-largest expense after labor.