Transportation

Should I drive or fly?

Calculate the true cost of driving vs flying for your trip, including gas, wear and tear, time value, and hidden travel expenses.

By ShouldICalc Team

Updated January 2025 · See our methodology

Your Numbers

400 mi
100 mi 1,500 mi
2
1 6
$250
$100 $600
5
0 14
28
18 50
$3.5
$2.5 $5.5
$30
$15 $100

Your Results

Annual Savings

$0 – $0

per year

5-Year Savings

$0 – $0

Break Even

— months

💡 Calculating...

Enter your numbers above to see personalized results.

Trade-offs to Consider

Every decision has pros and cons. Here's what to weigh:

  • Money

    Driving is often cheaper for 2+ people on medium distances. Flying saves time but adds rental car costs if you need mobility at destination.

  • Time

    Flying is faster, especially for 500+ miles. But airport time adds 2-4 hours. Driving lets you stop when you want.

  • Quality

    Flying is less fatiguing. Driving offers scenic routes and flexibility. Both have trade-offs.

  • Convenience

    Driving means your car at destination. Flying means dealing with airports, TSA, and possibly luggage fees.

Related Products

Products that can help you save money. (Affiliate links)

As an Amazon Associate, we earn from qualifying purchases at no extra cost to you.

Frequently Asked Questions

At what distance is flying worth it?
Generally, flying becomes worth considering around 300+ miles each way. Under 250 miles, driving almost always wins. Over 500 miles, flying often wins on time even if costs are similar.
How do I calculate the true cost of driving?
Gas cost + wear and tear (IRS rate is $0.67/mile, but $0.20-0.30 is more realistic for just wear) + tolls + parking + your time value. Most people underestimate driving costs by only counting gas.
Should I factor in my time?
If you could work during travel (or would pay to have that time back), yes. If the drive is enjoyable or you'd relax at home anyway, time value matters less.
What about road trips with multiple stops?
If you're stopping at multiple destinations, driving becomes much more practical. Flying would require multiple flights or rentals. Driving gives you flexibility that flying can't match.

Drive or Fly: The Complete Comparison Guide

The drive-vs-fly decision seems simple but involves more factors than most people consider. Let’s break down the real costs and trade-offs.

The Basic Calculation Framework

Driving Costs:

  • Fuel cost: Distance ÷ MPG × Gas price
  • Wear and tear: ~$0.25/mile (tires, oil, depreciation)
  • Tolls (if applicable)
  • Parking at destination
  • Your time: Hours driving × time value

Flying Costs:

  • Airfare per person
  • Baggage fees
  • Airport parking or ride to airport
  • Rental car at destination (often needed)
  • Airport time (2-3 hours each way minimum)
  • Your time waiting/traveling

Real Example: 400-Mile Trip

Driving (800 miles round trip, 2 travelers):

  • Gas: 800 miles ÷ 28 MPG × $3.50 = $100
  • Wear and tear: 800 × $0.25 = $200
  • Time: 12 hours total driving × $30/hour = $360 (split by 2 = $180/person)
  • Total: $300 hard costs + $360 time = $660
  • Per person: $330

Flying (2 travelers):

  • Flights: $250 × 2 = $500
  • Baggage: $35 × 2 × 2 = $140
  • Airport parking: $60
  • Rental car (5 days): $250
  • Time: 8 hours each × $30/hour × 2 = $480
  • Total: $950 hard costs + $480 time = $1,430
  • Per person: $715

Driving saves $770 total in this scenario.

The Break-Even Points

By distance (2 travelers):

  • Under 250 miles: Driving almost always cheaper
  • 250-400 miles: Driving usually cheaper, but close
  • 400-600 miles: Depends on specific costs
  • Over 600 miles: Flying often competitive
  • Over 1,000 miles: Flying usually wins on time

By number of travelers:

  • 1 person: Flying becomes competitive sooner
  • 2 people: Driving has clear advantage
  • 3-4 people: Driving wins unless very long distance
  • 5-6 people: Driving almost always wins (one vehicle vs multiple tickets)

Hidden Costs People Forget

When Driving:

  • Hotel if overnight stop needed (long trips)
  • Road food and snacks
  • Toll roads (can be $20-100+ on some routes)
  • Parking at destination
  • Fatigue factor (mistakes, accidents)

When Flying:

  • Uber/Lyft to airport: $25-50+ each way
  • Airport food (overpriced)
  • Luggage weight restrictions
  • Connection delays
  • Rental car insurance
  • Rental car gas fill-up

The Time Factor

Time value depends entirely on your situation:

Time has high value if:

  • You could work during that time
  • You’re taking limited vacation days
  • You have responsibilities at home
  • Long drives exhaust you

Time has lower value if:

  • The drive is enjoyable (scenic, podcast time)
  • You’d just be relaxing at home anyway
  • You don’t want to deal with airports
  • Kids make flying difficult

Rental Car Reality

Flying often requires a rental, which changes the math significantly:

Rental car costs (typical):

  • Economy car: $40-70/day
  • Midsize: $50-90/day
  • SUV: $80-150/day
  • Insurance: $15-30/day (if buying)
  • Gas: Same as driving your car

A 5-day trip with $60/day rental adds $300 to flying costs.

When you don’t need a rental:

  • Visiting cities with transit
  • Someone can pick you up
  • Staying at resort/hotel without leaving

These trips tilt toward flying.

Group Travel Economics

The more people traveling, the more driving makes sense:

2 travelers:

  • Flights: $500
  • Car: $300
  • Driving saves: $200

4 travelers:

  • Flights: $1,000
  • Car: $300
  • Driving saves: $700

6 travelers (minivan):

  • Flights: $1,500
  • Car: $350
  • Driving saves: $1,150

Airlines charge per person; cars charge per trip.

The Comfort Factor

Driving advantages:

  • Leave on your schedule
  • Stop whenever you want
  • Pack as much as you want
  • Bring food and drinks
  • Your car at destination
  • No TSA or delays
  • Scenic routes possible
  • Listen to your music/podcasts

Flying advantages:

  • Faster for long distances
  • Less physical fatigue
  • Can work or sleep on plane
  • No driving stress
  • Weather matters less
  • Avoid construction/traffic

Special Considerations

With children:

  • Car seats are easier in your car
  • More space for activities
  • No stressed airplane passengers
  • Can stop for restless kids
  • But longer trips are harder with little ones

With pets:

  • Driving is almost always better
  • Flying pets is expensive and stressful
  • No cargo hold concerns
  • Can stop for walks

For business:

  • Time usually has high value
  • Flying often makes sense
  • Can work during flight
  • Less exhaustion upon arrival

The Sweet Spot Distances

Under 200 miles: Always drive 200-350 miles: Drive unless solo or time-constrained 350-500 miles: Analyze carefully, could go either way 500-800 miles: Flying often makes sense, especially solo Over 800 miles: Usually fly unless multi-stop trip or many travelers

Making Your Decision

Drive when:

  • Traveling with 2+ people
  • Distance under 400 miles
  • You need a car at destination anyway
  • You enjoy road trips
  • Flexibility matters
  • Traveling with kids or pets
  • Cost is the priority

Fly when:

  • Traveling solo on long distances
  • Time is at a premium
  • Distance over 600 miles
  • No rental car needed at destination
  • Work wants you there quickly
  • You hate driving

Pro Tips for Each Option

If driving:

  • Check gas prices along route (GasBuddy)
  • Consider toll vs non-toll routes
  • Break up long drives with overnight stops
  • Download podcasts and playlists
  • Share driving if possible

If flying:

  • Compare one-ways vs round trips
  • Check nearby airports
  • Consider budget airlines for short trips
  • Pack carry-on only to skip baggage fees
  • Book rental cars early for best rates

The “right” answer depends on your specific trip, your time value, and personal preferences. Run the numbers for your situation.