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If you think filling up your car is expensive, consider the price tag for fueling an airliner for a trans-Atlantic flight.

Jet fuel for a flight from New York’s John F. Kennedy Airport to London Heathrow can cost a carrier approximately $27,270, according to data from Airlines for America. The return trip is even more expensive, at approximately $33,411.

Pricing Popular Routes

The amount of fuel an airliner needs — and thus the cost — depends on many factors, including aircraft type, weight and direction of travel. Here are some price estimates provided to TPG based on data compiled by Airlines for America. The prices are averages collected from January to May 2019.

Los Angeles International to Tokyo Narita: This trans-Pacific hop uses an estimated 9,500 gallons of jet fuel at an estimated price of $19,190.

New York JFK to Los Angeles International: This popular transcon flight uses an estimated 5,325 gallons of jet fuel at an estimated price tag of $10,757. The return to New York uses slightly less fuel at 5,075 gallons with an estimated price of $10,252.

Chicago O’Hare to Miami International: Heading southbound, this flight operates using an estimated 2,350 gallons, with an estimated cost of $4,747. On the northbound return, the cost estimate soars to $7,201, using an estimated 3,565 gallons.

Denver International to San Francisco International Airport: This particular route can see significant variances in fuel quantity and pricing because of the variety of aircraft operating between the two cities. On average, aircraft fill up with an estimated 3,500 gallons of jet fuel, costing an estimated $7,070. However, price can vary from $4,040 on the low end to $14,140 on the high end.

How Airlines Purchase Fuel

Many of us drive around in search of the cheapest gas prices, but for the nation’s airlines, filling up aircraft isn’t so simple.

“It’s not like you can pull up to the Costco pump,” said Helane Becker, an airline analyst and managing director of Cowen & Co, an investment firm. Whoever has the contract to supply an airport with fuel is going to be supplying the aircraft there, she said.

Collectively, United States air carriers burn through 17 billion gallons of jet fuel annually, a number that has remained consistent over the years as aircraft and engine makers devise more fuel-efficient equipment even as they fly more miles.

Over the last few years, oil prices have fluctuated. They averaged $66 per barrel in the first half of 2019 but saw a low of approximately $30 in January 2016.

Fuel Prices and Ticket Prices

From natural disasters to political upheaval, disruptions in oil supply can alter the fuel costs incurred by airlines. The “same things that affect gasoline will affect jet fuel prices,” said Becker.

The fluctuations in jet fuel prices can have an impact on ticket prices, but it’s not necessarily immediate. And there is not a direct link between a single change in the price of oil and a specific change in the cost of an airline ticket, according to Becker.

If there is a spike in fuel prices, it takes two to four months for airlines to raise their ticket prices, said Becker. She adds that there is a six-month lag between a decline in fuel prices and a drop in ticket prices.

While US airlines cannot impose fuel surcharges on domestic flights, fuel surcharges are imposed on international flights as prices go up or down, she said.

Finding a Good Deal

In an effort to offset price fluctuations, many airlines will use “call options” (options to buy an asset at an agreed price on or before a particular date) as an insurance policy of sorts by signing a nonbinding agreement with a seller, in case the price of fuel were to spike.

In the past, some carriers, such as Southwest, hedged fuel purchases, securing a long-term rate when prices are low. However, that strategy can backfire if costs drop instead and the airline is stuck with a higher price.

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