DALLAS — Airline travelers are finally catching a break. Even though the government is taxing tickets again, the total cost to consumers is staying about the same.

That’s because airlines are rolling back prices to where they were before the government temporarily lost its authority to tax tickets two weeks ago.

The difference can add up. Federal excise taxes, which went back into effect Monday morning, add more than 7.5 percent to the cost of a flight.

Southwest Airlines and its AirTran Airways subsidiary lowered fares Sunday night and were matched by Delta Air Lines, AMR’s American Airlines, JetBlue Airways and others.

United Continental Holdings, the world’s largest airline company, held out until Monday afternoon before also reducing fares. US Airways Group was still charging the higher prices, a spokeswoman said Monday

Most airlines raised fares after a standoff between Republicans and Democrats in Congress on funding for the Federal Aviation Administration caused federal excise taxes on tickets to expire on July 23. In effect, the airlines grabbed the money that previously went to the government instead of passing the break on to consumers.

Airlines were able to pocket an estimated $400 million in just two weeks. Last week, Congress approved reviving the taxes through Sept. 16. The IRS then gave the airlines until the end of the weekend to resume collecting the fees.