Delta Air Lines owns its own refinery, which provides some insulation from volatile jet fuel prices.

Summer airfare prices have increased by 20% to 30%.

Summer airfare has increased by 20% to 30% compared to previous periods.

Airfare to Europe is currently 30% to 40% higher than in previous periods.

Airlines are adding significant fuel surcharges to award ticket redemptions, particularly for flights to and from London and Paris.

A YouGov poll indicates that 32% of Americans may scale back their summer travel plans if prices continue to rise.

Frontier Airlines has raised its fares five times since the start of the Iran conflict and has not observed any resulting decrease in consumer demand.

The cost of a Delta One flight using Delta SkyMiles has increased from approximately 80,000 miles to 400,000 miles.

A recent YouGov poll found that 32% of respondents may scale back their summer travel plans if prices continue to rise.

Frontier Airlines has raised its fares five times since the start of the war in Iran and has seen no resistance from consumers.