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Travelocity has disabled its flexible search function for international destinations. According to SmarterTravel.com, the online agency pulled the option because the U.S. Department of Transportation argued that the existing search did not offer sufficient price transparency. The culprit: fuel surcharges.

Indeed, this was my own pet peeve with Travelocity’s flexible search. You start with a great fare to Paris and when you finish clicking, your fare went up $300 — $100 in taxes (expected) and $200 in fuel surcharges (suprise!). Often, Travelocity would come back with a message like “We found a lower fare for you than the one you selected.”

(The change also affects the international component of Travelocity’s Dream Maps. Interestingly, you can still see fares to international locations posted on the maps, but you can’t go the next step to find airlines or book them.)

I part company with SmarterTravel’s blame game: I actually think the DOT was right in pressuring Travelocity to offer a more transparent fare search. The existing product was misleading. It’s Travelocity’s fault for not configuring their fare search product in a way that includes surcharges. Fuel charges are a specific, identifiable line item in building a fare. Why can’t it be included in a search?

But for those who loved that flexible international search, now gone, what are the alternatives? Here are my picks, ranked in terms of similarity to Travelocity’s defunct search.

1) Zuji
Outsource! Zuji is Travelocity’s Singapore-based subsidiary, and it looks and feels much like the American site. And guess what: the international flexible date search is still there. The site is in English, and results are in US dollars. (If you’re based in the US, choose “other” for a country on the first page.) Some airlines are missing (but they were missing from the flex search on the US site in the last few months, too). Suggestion: Run your search on Zuji, then actually book the specific flights you find on Travelocity or elsewhere. Booking on Zuji may work, but you’ll incur higher booking fees plus extra charges for using a credit card overseas.

(Update July 29: A reader e-mail asks about Zuji and Dream Maps (referenced above). I can’t find a Dream Maps equivalent on Zuji. However, since Dream Maps will still show base fares (for now), but won’t let you click through to see airlines or schedules, here’s my advice: Use Dream Maps to find a good base fare in your desired region. If you see one, do a flexible date search on Zuji for that particular destination.)

2) FareCompare
On the plus side, FareCompare’s search acts much like Travelocity, except it’s organized by fare, not by airline. The downsides: It doesn’t show total prices (will it be targeted by the DOT next?). It also doesn’t let you book directly, but refers you to the big online agencies, where the price is often very different from what FareCompare quoted. Finally, it’s missing a number of smaller (but still mainline) international destinations.

3) ITA
The engine behind Orbitz, Continental, and others, allows you to search for fares to just about anywhere in the world, and it shows final prices including all taxes. It also finds codeshares and mixed-airline itineraries that are often good values. Its “month-long search” isn’t as broad a search as Travelocity’s, especially because you need to specify the length of your stay within narrow ranges, but it’s worth checking. But … it won’t let you book anything. You’ll need to go to an airline website, online agency, or traditional travel agent to buy the ticket.

4) Kayak
Kayak allows flexible search to international destinations, but only within 3 days of your specific dates. Some reliability problems here, too, for international fares that are quoted well below what the target sites actually charge. It’s not the free-for-all price-first dates-later approach of Travelocity (or Zuji) but it’s an option to consider.