How should you decide between flying and taking a road trip?

By: Akweli Parker
A Delta jet lands as another prepares for takeoff at the Cincinnati/Northern Kentucky International Airport near Covington, Ky.
A Delta jet lands as another prepares for takeoff at the Cincinnati/Northern Kentucky International Airport near Covington, Ky. See more pictures of the history of flight.
Scott Olson/Getty Images

Have you ever faced this common traveling dilemma: You have to get out of town -- way out of town -- for a vacation, or perhaps for a professional conference. But before you even start to think about packing that first bag, you must decide, "Should I fly or should I drive?"

The conundrum only gets more complicated if you take your trip during the summer vacation season, when fuel prices traditionally spike.

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This article will offer advice to help you save time, money, and your precious sanity when it comes to taking that next long-distance trip. While it's great to save money, you should be sure to consider all the factors that might weigh on the quality of your trip.

Weighing all the costs

Making the smartest choice between driving and flying requires that you juggle multiple factors and figure out how important each is to you: overall monetary cost; time spent traveling versus being at your destination; how much will either mode of transit aggravate you in the case of delays or unpleasant conditions (i.e., security pat-downs and obnoxious passengers versus highway traffic jams, bad weather or inept motorists). And let's not forget the cost that is not immediately visible, but that many people consider of ultimate importance to the planet: the environmental footprint you leave in the form of carbon emissions, whether you're tooling down the highway or cruising at 35,000 feet (10.7 kilometers).

Putting all these factors together and optimizing them is a complex equation to be sure. So first, we'll provide you with some of the inputs: (costs between types of vehicles)

  • How many people will be traveling? If you're driving, the more people you bring along, the more economical per-person the trip becomes, generally speaking. If flying, each person has to buy a ticket, which can cause the trip price to balloon dramatically.
  • Current gasoline prices -- assuming you don't drive an all-electric vehicle, your fuel expenses will vary according to what's happening with the price of gasoline when you travel.
  • Many people are now considering the environmental cost of their travels and choosing their transportation accordingly. Air travel typically produces more greenhouse gases than driving, but your vehicle and the route you take could make a big difference. Also, a few companies allow you to purchase carbon "offsets" intended to mitigate the carbon emissions caused by your ground or air travel.
  • Remember to include the non-fuel costs of driving, such as tolls, lodging, food, and wear and tear on the vehicle.
  • Will you need a vehicle at your destination? If so, be sure to include car rental fees on the "fly" side of your cost comparison
  • The value of your time; let's face it, many folks view seated travel time as an opportunity to get stuff done -- to read, to stay caught up on work, or just to finish some Sudoku puzzles. Your choice of whether to leave the driving (or flying) to someone else will have an impact on how you can use your travel time.

In the next section, we'll look at how to figure out which is cheaper -- driving or flying -- using the help of some high-tech shortcuts.

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Figuring Out if it's Cheaper to Drive or Fly

If your head is spinning in an attempt to wrap itself around all the variables in a "drive versus fly" decision, here's some good news: online you can find a number of trip calculators that help you figure it all out. There are calculators for determining your vehicle's mileage, current gasoline prices, airline fares (also known as discount fare sites), and even how a driving trip and an airline flight stack up to one another.

We used a calculator from Befrugal.com to help make the "fly or drive" decision for two hypothetical households considering a visit to Orlando, Fla. from their homes in Herndon, Va., during the same week in July. "Tyler" drives a relatively fuel-efficient Ford Focus and is headed south by himself to visit relatives near the Magic Kingdom. The "McGowan" family of five owns a Toyota Highlander SUV and wants to take a family vacation with Mickey and the gang.

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For Tyler, it would cost $248 and take about 5 hours to fly, versus $414 and a day and a half on the road if he drove. Interestingly, his CO2 emissions from flying, at 1,184 pounds (537.1 kilograms), are less than if he'd driven the more than 860 miles (1,384 kilometers). Winner: flying.

What about the McGowans? It would take them nearly the same amount of time as Tyler (even though we know kids demand more frequent "bio breaks" -- but work with us, here). Their flying tab would weigh in at a whopping $1,240, versus $832 driving the family SUV and staying a night in a motel. That's more than a $600 savings that could go toward funnel cakes and souvenirs! Winner: driving.

Sometimes the bottom-line dollar figures are so close that it isn't clear which is the better choice. In that case, the decision whether to fly or drive will boil down to very personal preferences. Some people don't mind the lengthy waits, along with all the mandatory scanning, patting and shoe removal that accompany modern-day commercial flying. Others consider the journey itself worthy of savoring, and relish the time in the car with family or friends as a precious opportunity to deepen their bonds. Some thrifty people are willing to spend several extra hours on the road in their quest to "squeeze a dollar 'till it hollers." And yet for others, the speed and convenience of a quick flight are worth paying a bit extra.

One last thing -- we've looked at flying versus driving yourself, but don't forget those other over-land travel options -- the bus and the train. Both modes of transit have witnessed notable developments in recent years, including the addition of electrical outlets, Wi-Fi Internet access, and in the case of bus travel, significant fare discounting that could make the economic decision an easy one, depending on the route.

For more information that can help you decide whether to fly or take a road trip, go to the next page.

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Lots More Information

Related Articles

  • Christensen, Stephanie Taylor. "Should You Fly or Drive on Your Summer Vacation?" Mint.com. May 12, 2011. (June 30,2011) http://www.mint.com/blog/goals/fly-or-drive-vacation-05122011/
  • Lavelle, Marianne. "To Drive or Fly? Top Tools for Choosing." U.S. News & World Report. June 10, 2007. (June 29, 2011) http://www.usnews.com/usnews/biztech/articles/070610/18driving.htm
  • McGee, Bill. "Fly or Drive? We Do the Math." USA Today. June 25, 2008. (July 1, 2011) http://www.usatoday.com/travel/columnist/mcgee/2008-06-24-drive-or-fly_N.htm
  • Osterlind, Janey. "Which Is Cheaper: Flying or Driving?" WiseBread. Sept. 28, 2010. (July 1, 2011) http://www.wisebread.com/which-is-cheaper-flying-or-driving
  • Patten, Zak. "Flying vs. Driving: Which Is Cheaper When Gas Is Pricey?" SmarterTravel. July 14, 2004. (July 1, 2011) http://www.smartertravel.com/travel-advice/Flying-driving-Which-cheaper.html?id=9787
  • Reese, Jennifer. "Driving or Flying? Which Is Faster?" Via (AAA Northern California, Nevada & Utah). November/December 2003. (June 29, 2011) http://www.viamagazine.com/travel-tips/driving-or-flying-whats-faster
  • Widzer, Joel. "Summer Vacation: To Fly or Drive?" MSNBC. May 2, 2006. (July 1, 2011) http://www.msnbc.msn.com/id/12537229/ns/travel-travel_tips/t/summer-vacation-fly-or-drive/

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