Rick Seaney and the FareCompare team have once again beaten me to the punch: They’ve compiled a list of U.S. domestic airlines’ fees and put them all in one place.

Most every fee the airlines have imagined (so far) is there. The phone booking fee. The luggage fee. The cost of snacks, booze, and meals. The pet fee. The skycap fee. The re-ticketing fee. And on and on. (The fee fee, the Arial font fee, and the fee fi fo fum fee, as outlined here, somehow didn’t make the cut.)

It’s a great list, insofar as it helps consumers make better decisions. I’ve always argued that the lowest fare may not be the best value. (And that doesn’t even take frequency, upgrade possibilities, on-time arrivals, or anything like that into account.)

Be sure to check out the list.

File this under PR that works, because it makes me laugh… FareCompare has decided to send a semi-crotchety member of its staff to every state in the continental U.S., dressed in a Santa suit. It’s a simultaneous homage to Christmas, a testament to mileage-running, and a test of their site’s low-fare search capabilities.

The travels and travails of Grumpy Santa, who gets to spend all day in planes for close to two weeks, are being tracked at FareCompare’s Santa site. I hope he’s on the clock while he’s doing this. And that he gets to keep the miles.

I joked to FareCompare CEO (and blogger) Rick Seaney that Richard Nixon had tried this once before, when he campaigned for president in 1960. He just didn’t care about saving money on airfare at the time. (For the political junkies out there: Nixon promised to visit all fifty states when he accepted the Republican nomination. He lost to Kennedy, and pundits have argued ever since that Nixon spent time flying to out-of-the-way places, just to cross off a state from his 50-state strategy, rather than campaigning in tossup states where his presence might have made a difference.)

So in the spirit of the other season we’re in — presidential election season — I requested a photo of FareCompare’s Grumpy Santa giving the Nixon “victory” farewell from the top of the air stairs. Ask for photo, get video. How’s THAT for service!

(Reading this in a feed reader? Click here to view the original post with video.)

The other day, FareCompare.com CEO Rick Seaney sent over an analysis of AirTran’s recent fare sale. “When is a fare sale not really a fare sale?” The answer: When the airline hikes its fares, only to lower them with great fanfare a few days later. Hooray for the status quo?

Rick suggests that this is tantamount to those stores that once lined the streets of midtown Manhattan, declaring they were going out of business. That is, until you saw that the name of the store was “Going Out of Business, Inc.” or something like that.

So how did AirTran join such esteemed company as the all-things-must-go merchants of New York City? Within a one-month period, Air Tran raised their fares three times — twice for three days, once for five days — and then brought them back to the previous level. Each time, their return to normal pricing was heralded with breathless press releases and a marketing blitz, announcing a sale.

Rick is right: This is an at best questionable, at worst deceptive business practice. Think about it: If a department store jacked up its prices for a few days, then brought them back to normal, customers might be filing complaints with the Federal Trade Commission. Perhaps AirTran thinks that the fluctuating nature of air ticket prices makes them immune to such charges, but I think they’re walking on some very thin ice.

So now they’ve been called out on it. We’ll see if they’ll change their tune, of they’ll just keep right on doing it. If enough people catch on, the phrase “AirTran fare sale” might be like the boy crying wolf.

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This is the kind of experiment I wish I had thought of first: The guys at FareCompare decided to put various airline websites’ low-fare guarantees to the test. The results are mixed.

They did it by actually buying a ticket on every airline in their test. (They only included airlines that HAD a guarantee, naturally, so that meant American, Continental, Delta (sort of), Northwest, and United. US Airways, Southwest, AirTran, jetBlue, etc., weren’t included, since they don’t have a guarantee.)

Because FareCompare’s fare alerts — which I have strongly recommended in the past — give you several hours’ advance warning when a fare is about to drop, they knew exactly which tickets to buy. They bought the tickets before the fare drop went live. When the fare went down, they took a screenshot of a lower fare and filed for a refund and/or voucher with the airline.

What they found: Lots of variation. Each airline eventually came through, but the amount of effort required varied greatly. It wasn’t always easy: Some denied refund requests at first, or didn’t respond within 24 hours.

The airlines’ policies vary, too. Most required a $5 difference before considering a refund, but Continental required $10. Most give a cash refund, but United only gives vouchers. Most accept a lower fare published on any site, including their own, while American and Northwest bizarrely exclude lower fares that appear on their own sites. Delta doesn’t have a guarantee, per se, but they’ll refund your ticket within 24 hours.

It’s a great experiment. Go read the whole thing.

Note that FareCompare was testing the airlines’ sites only. Some online travel agencies have guarantees as well. For example, the folks at Peter Greenberg’s site recently had to step in to help a reader enforce Expedia’s guarantee.

In all these cases, it’s up to the customer to proactively search for a lower price within 24 hours. No one is going to volunteer the news that the price has dropped. But if you’re willing to spend the time and effort to check the prices again and wrestle with customer service, you could collect a few bucks.

The folks at FareCompare.com are an inventive bunch. I really like what they’re doing to lift the hood on the mechanics of airfares. I’ve previously posted about their fare alerts that tell you what the discounted fares will be hours before you can actually buy them, and how their fare search tools let you do flexible searches that the big booking sites have disabled.

So when FareCompare COO Neil Bainton started posting an index of airfares at his blog for airfare wonks, Airtravelchannel.com, I was interested.

What the index does is track the lowest fare (ignoring fare rules like minimum stay or advance purchase) between the 50 largest markets in the United States. That’s 1250 fares. (50 markets times 50 markets = 2500, but the fares are the same in each direction, so divide it by two to get 1250.)

Much like the Dow Jones Industrial Average doesn’t track all stocks, but only 30 blue chips, this index doesn’t cover all the bases. The index is a first cut at measuring the state of airfares as a whole. With tens of thousands of city pairs, and hundreds of fares between each airport, getting a glimpse of ALL the airfares in America isn’t going to happen anytime soon, and might not even be useful. (How many people really want to fly, say, from Grand Junction, Colorado to Pellston, Michigan? So I don’t think it’s not really necessary to include every fare.)

The index could have some interesting applications, especially for journalists or financial analysts who want to track the big-picture of fares in America. Just this past Tuesday, the index “crashed” 29 points, or 5.8%, with a Delta sale bringing the average down.

The index also comes with a one-to-four star label, to give the current reading historical context. Four stars obviously means that fares on the whole are generally good.

But the utility of this number isn’t immediate: No one buys “fares on the whole,” they buy specific tickets. This is all interesting stuff, and data hounds could eat this up. But individual travelers would probably benefit from a more localized index that targets their home airport. Neil tells me this is in the works.

An index just for your own city might be one extension. A rule-driven index might be another. Business travelers who can rarely take advantage of ultra-low advance purchase fares might instead benefit from an index of refundable fares, or 3-day advance purchase fares, possibly sorted by home airport as well.

Much like there is an industry-specific stock index for practically every sector of the economy, this could balloon into a huge number of indicators. Heck, this could be monetized by creating futures contracts based on an index like this. Go long the San Francisco fares and short the Dallas index! Don’t laugh, there are websites out there that already do this sort of thing, and Wall Street isn’t far behind.

In any case, it’ll be neat to see where this goes. Information like this increases the transparency of airfares and travel costs as a whole, which is good for consumers. Bring it on.

The good folks over at FareCompare want to know what you think will happen to Delta in the great merger game, so they’ve set up a poll. It’s not quite making book on the outcome, but they’re trying to see what the public thinks will happen.

(And no, the TradeSports/Intrade people haven’t set up a wager for airline mergers. Yet.)

Click here for the poll.