Seat or whole jet: the headcount where it flips

Comparing a seat price with a charter quote looks like comparing apples and oranges: one is per person, the other is for the aircraft. The fix is simple arithmetic. Put both on the same footing for your group, and the answer, plus the headcount where it changes, falls out in a line.

The formula

Multiply the seat price by the number of travelers to get the cost of flying your group by the seat. Compare that with the all-in price of the whole aircraft for the same trip. The headcount where the two meet is:

Below that number, seats cost less. At or above it, the whole aircraft costs the same or less, and every extra traveler lowers the price per person further.

A worked example

Take a hypothetical one-way trip of about an hour and a quarter. A scheduled seat costs $1,800 per person. A light jet for the same trip is quoted at $9,600 all-in, including positioning, the 7.5% federal excise tax and fees. Both are round numbers for illustration, not live prices.

Here the breakeven is 9,600 ÷ 1,800 = 5.3, so the whole jet wins from six travelers. A light jet typically seats six to eight, so a group of six or seven fits comfortably.

When the arithmetic says seats, every time

Run the same sum with a cheaper seat and the picture changes. At $600 a seat, the breakeven for the same $9,600 jet is 16 travelers, far more than a light jet can carry. On short, busy routes with low seat prices, seats will often beat the whole jet at any headcount the aircraft can hold. That is a perfectly good result: if the timetable suits you, take the seat.

The reverse is true on longer or less common routes. Seats there tend to be scarce and priced higher, and the whole aircraft can win with as few as three or four people.

Compare like with like

The formula only works if both prices describe the same trip. Four things commonly get missed:

• Taxes and fees. Domestic charter carries the 7.5% federal excise tax and a per-passenger segment fee of about $5 per leg. A seat price may or may not include them, so ask.
• Positioning. A charter quote should include the cost of getting the aircraft to you and, on a one-way, often back to its base. An all-in quote does; a bare hourly rate does not.
• Round trips. Seats are priced per flight. For a whole aircraft, a round trip with a stay either keeps the jet and crew waiting, with daily minimums of often one to two billed hours and crew overnight costs, or flies it home empty and back again. On longer stays, ask for both versions.
• Getting to the airport. A seat flies from the carrier’s airport. If the charter can use a field much closer to home, the time and car fare you save belong in the comparison.

What the price doesn’t show

Some differences never appear in a spreadsheet. A seat flight leaves on the carrier’s schedule, so a meeting that runs late means a missed flight. The whole jet waits for you, within the crew’s duty limits, and leaves when you are ready. Seat flights have strict baggage limits; a charter can be matched to golf bags, skis or a dog in the cabin. And a charter cabin holds only the people you invited.

If any of those things decide the trip, the headcount doesn’t matter. If none of them do, let the numbers decide.

Three typical patterns

Two people, a short weekend hop. On a well-served route, seats nearly always win on price, and a Friday-to-Sunday timetable is usually easy to match.

Four people with ski bags to a mountain airport. Seat options are limited and baggage is the sticking point. A whole-aircraft quote, often a midsize jet for the bags, tends to be the practical answer.

A family of six for the holidays. With luggage for two weeks and perhaps a dog, the group has likely passed the breakeven, and the charter adds the flexibility a family trip needs.

Why the whole-jet number isn’t hours times rate

It is tempting to take an hourly rate, multiply it by the flight time and treat the result as the whole-jet price. It will almost always be too low. Operators bill positioning when the aircraft isn’t already where you are, and many apply a daily minimum of one to two hours, so a 40-minute hop can be billed as a full hour or more. Then come the 7.5% federal excise tax, the segment fees, and landing and handling fees at both ends.

That is why the calculator asks for an all-in quote rather than an hourly rate. If all you have is an hourly figure, treat the comparison as a rough guide and ask for a full quote before deciding. Every option we send is all-in, so the comparison with a seat price is direct.

A quick way to decide

1. Get a seat price for your route and date, including tax and fees.
2. Get an all-in whole-aircraft quote for the same trip.
3. Divide the second by the first and round up. That is your breakeven headcount.
4. Count your group. Below the breakeven, seats cost less; at or above it, the jet does.
5. Check the schedule, baggage and pet rules before you commit to seats.

Our breakeven calculator does steps three and four for you. Or send us the trip and we will price both options side by side.