Fly In. Work Out. Fly Off. Airport gyms are rare, but the ones we found make the layover melt away as fast as those extra pounds.
By Lois Gilman

(Business 2.0) – BOSTON LOGAN The Health Club & Spa at the Hilton

Sure, you could trot over to Legal Sea Foods for chowder. But if the seatbelt was tight on the flight in, you may want to hop on one of the exercise machines here instead. While the club is modeled on the better-equipped facility in Chicago (see next page), Boston goes all out for creature comforts: massage, aromatherapy, paraffin treatments, and the "sea salt glow," a rubdown with an exfoliant that contains crushed seashells.

Forget Anything? Swim gear is available: $45 for women, $34 for men.

Luggage Storage: The staff will watch your bags for free.

Fee: $10 ($5 for elite Hilton HHonors members); massages and other spa treatments run $45 to $110.

Hours: 5:30 a.m. to 11 p.m. Monday through Friday, 6:30 a.m. to 10 p.m. on weekends.

Location: Connected by a skybridge to Terminal E, but it's a long walk. Unless you want the added exercise, hop a hotel shuttle bus.

MIAMI INTERNATIONAL Miami International Airport Hotel Health Club

If you're the lazy sort, you may not get past the palm-shaded pool perched atop the hotel. But surrounding it is a 0.1-mile jogging track, and inside is a racquetball court, sauna, and mini gym.

Forget Anything? You're out of luck.

Luggage Storage: None available.

Fee: $8.

Hours: 6 a.m. to 10 p.m.

Location: Eighth floor of the hotel, in Concourse E.

SINGAPORE CHANGI Ambassador Transit Hotel Fitness Center or Plaza Premium Lounge

Travelers love this airport: stores, gardens, and a lot of workout space. Swimmers head for the hotel, everyone else to the lounge.

Forget Anything? The lounge rents clothes and shoes for $5 Singaporean.

Luggage Storage: The hotel can't help, but the lounge has a free storage area.

Fee: $13.55 at the hotel; $10 an hour at the lounge.

Hours: Lounge, 24/7; pool, from 7 a.m. to 11 p.m. daily.

Location: The hotel is in Terminal 1, the lounge in Terminal 2. Both are behind security; if you're visiting between connecting flights, don't clear immigration and customs.

LAS VEGAS MCCARRAN 24 Hour Fitness

Bypass the slot machines (the airport has 1,308) and you'll find a 14,000-square-foot facility packed full of fitness equipment as well as airline memorabilia. (No one-armed bandits in here.)

Forget Anything? Workout clothes cost $20--you'll have to return the shoes, but you get to keep the togs.

Luggage Storage: The club will stash any luggage that won't fit in a gym locker.

Fee: $15 (free for 24 Hour Fitness members with all-club memberships).

Hours: Remains open around-the-clock from 5 a.m. Monday to 11 p.m. Friday; open 6 a.m. to 9 p.m. on weekends.

Location: Main concourse, second floor.

CHICAGO O'HARE Hilton Hotel Athletic Club

It can be a 15-minute hike to get here from a far-flung terminal. But once you've stashed your carry-on in a gym locker, you're in a very well-equipped facility. The club also sports an indoor pool, steam room, sauna, and whirlpool.

Forget Anything? Shirt and shorts can be purchased for $33.

Luggage Storage: Lockers hold a carry-on; anything else can be left behind the club's check-in desk.

Fee: $10 ($5 for elite Hilton HHonors members).

Hours: 4:30 a.m. to 11 p.m. Monday through Thursday, 4:30 a.m. to 10 p.m. Friday, 6 a.m. to 10 p.m. on weekends.

Location: Arcade level of Terminal 2.

VANCOUVER INTERNATIONAL The Absolute Spa at the Fairmont Vancouver Airport

At the Fairmont, it's all about the extras: There's a mechanized lap pool, yoga and pilates classes, and spa treatments like a 60-minute deep-tissue massage. It even hands out plush robes and reflexology sandals to spa-goers and provides a special dryer for swimsuits so you won't be stuck taking soggy items on the plane.

Forget Anything? Loaner shoes are provided free of charge.

Luggage Storage: The hotel will watch anything that doesn't fit in a locker.

Fee: $15 Canadian; massages start at $75.

Hours: 6:30 a.m. to 9 p.m. Monday through Friday, 8 a.m. to 9 p.m. Saturday, 8 a.m. to 6 p.m. Sunday.

Location: U.S. departure terminal. --LOIS GILMAN