Low-cost carrier JetBlue is celebrating a decade of service by offering an online exclusive - flights for $10 on all remaining seats on U.S.-originating flights on May 11-12. But -- unless you leave on Tuesday and return Wednesday -- the return flight will be normally prices.

Find more information on the sale here. Act fast because sales are only valid today.

The airline also reported today that its April traffic increased by 6 percent. But overall plane fullness -- the percentage of seats filled with passengers -- fell from a year ago from 80.6% to 80.5%.

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