By the SavingsRoll Team | Personal Finance
At O’Hare, the main garage next to the domestic terminals charges $43 for each day you leave your car there. Lot G, a shuttle ride away, charges $16. On a Wednesday-to-Sunday Thanksgiving trip that’s $215 versus $80, and both lots are owned by the same airport. Airport parking is one of the few holiday travel costs you set yourself, usually without doing the math, at 5 a.m., while your flight boards in 90 minutes.
The rule I’d follow: for any trip of three nights or more, the airport’s cheapest official economy lot beats the terminal garage, usually beats rideshare, and is closer to a free ride from a friend than you’d guess. The details below decide by how much.
The economy lot is where airport parking money gets saved
AAA counted 81.8 million Americans traveling over Thanksgiving 2025, with 6 million of them flying, and its forecast put the average domestic round-trip ticket around $700. It’s easy to spend an evening comparing fares to save $40 and then hand the garage $135 more than the economy lot would have cost.
The Chicago Department of Aviation’s posted rates show the spread clearly. Economy Lots G and H charge $3 for the first hour and $16 for anything from one to 24 hours, taxes included. Lot F, the covered economy option in the Multi-Modal Facility, charges $30 per 24 hours. The main garage tops out at $43 for eight to 24 hours, and the airport’s own page says it doesn’t recommend the garage for extended overnight stays. The airport is telling you it’s the expensive choice. Believe it.
Lot G costs you a shuttle and the transit train, maybe 15 extra minutes each way. Over a five-day trip, that’s 30 extra minutes total, so the garage charges you about $4.50 for every minute it saves. I’d rather leave the house 20 minutes earlier.
Denver’s official parking page goes a step further and lists seven off-airport shuttle operators by name next to its own lots. Those are worth pricing, but compare the total you’ll pay at checkout, fees and taxes included, against the economy lot’s posted rate. At O’Hare, the posted economy rates already include all taxes.
You pay for every 24-hour block you start
Hardly any parking guide mentions this: you don’t pay by the calendar day. Every block of time you begin gets charged, and that’s why your return flight time matters as much as which lot you pick.
Take a real trip. Thanksgiving 2026 falls on Thursday, November 26. Say you pull into Lot G at 6:00 a.m. on Wednesday the 25th and get back to your car at 8:00 p.m. on Sunday the 29th. Wednesday 6 a.m. to Sunday 6 a.m. is four full days. Those last 14 hours start a fifth block, so you pay 5 × $16 = $80. Do the same trip in the main garage and it’s 5 × $43 = $215.
Now fly home on Saturday instead and get back to the lot at 8:00 p.m. on the 28th. That’s three days and 14 hours, which is four blocks: $64 in Lot G or $172 in the garage. The garage version of that one schedule change saves $43, and AAA’s data gives you a second reason to make it, because Sunday and Monday are the busiest and most expensive return days of the holiday week.
Here’s the general rule. When you choose flights, compare your return time with your departure time. If you get back to the lot even an hour after the time you parked, you’ve paid for a whole extra day.
Rideshare to the airport starts with $12.50 in city fees
Rideshare feels cheaper because nobody pays a parking bill. But in a lot of cities the trip carries government surcharges before the fare even starts.
Chicago is a clear case. Uber’s breakdown of the city-mandated charges lists a $5.00 Special Venues Surcharge on any trip to or from O’Hare or Midway. Every UberX trip also gets a $1.13 Ground Transportation Surcharge, a $0.10 accessibility surcharge, and a $0.02 administrative fee. That’s $6.25 per one-way trip and $12.50 for the round trip, all before mileage, time, the booking fee, or holiday surge pricing.
Run the comparison against Lot G. Driving yourself to the economy lot and parking five days costs $80 plus your fuel and wear (more on that below), about $90 all in for a home 20 miles out. For rideshare to win, both one-way rides together have to come in under $90. That’s about $45 per ride, $6.25 of which goes to the city before the driver earns anything. Check the app quote for your exact route on an ordinary Wednesday at the same hour, then remember that the day before Thanksgiving won’t be ordinary.
Rideshare clearly wins on short trips. For one night away, a single $16 block plus driving is hard to beat. Once you’re out four or five nights, the parking meter is still well below what two holiday-week rides cost.
The free ride from a friend costs four trips, not two
Everyone treats the drop-off as free. It isn’t. Your friend drives you to the airport and drives home, then on Sunday drives back to get you and drives home again. That’s four legs of road, twice the miles you’d put on your own car to park.
The per-mile cost is where many people go wrong. The IRS business mileage rate for the second half of 2026 is 76 cents a mile, and AAA’s 2025 Your Driving Costs study puts the full cost of owning a new car at 77 cents a mile when you drive 15,000 miles a year. Most of that is depreciation, insurance, and finance charges you pay whether or not you go to the airport. For one extra trip, the useful number is the operating cost. AAA puts fuel at 13.00 cents a mile and maintenance, repairs, and tires at 11.04 cents, so about 24 cents a mile.
Now apply it to a home 20 miles from O’Hare. Driving yourself to Lot G and back is 40 miles × $0.2404 = $9.62. Add the $80 in parking and you’re at $89.62. The friend’s drop-off and pickup is 80 miles × $0.2404 = $19.23 in real costs to their car, plus a 5 a.m. alarm the day before Thanksgiving and a Sunday night at baggage claim. So the drop-off saves about $70 in cash, and your friend pays for it with their holiday week. Fill their tank, offer to return the favor at Christmas, and it’s still a good deal for everyone. Just don’t count it as free in your budget.
If you used the 76-cent IRS rate, those same 80 miles would look like $60.80 and parking would seem almost as cheap as the ride. That’s the wrong comparison, and it pushes people toward the garage because “driving is expensive anyway.”
Pick your lot when you book the flight
I’d make the parking decision when you buy the ticket, not in the car. Look up your airport’s official economy rate on its own website (not a booking site’s summary), check whether the return flight brings you back before the hour you’ll park, and get one rideshare quote for comparison. That takes ten minutes. On a five-day trip at O’Hare, the gap between the most expensive and cheapest official choices is $135, and catching the 24-hour block can save another full day.
If you haven’t bought your tickets yet, our breakdown of booking holiday flights shows how much the travel date moves the fare. And if you’re renting a car at the other end, read our guide to declining the rental counter’s insurance upsell before you get there.
The economy lot isn’t glamorous. You’ll stand at a shuttle stop in November with a rolling bag and a coffee. But airport parking is one of the few Thanksgiving expenses where the cheap option costs you only 15 minutes, and $135 covers a lot of pie.
