If your New Year’s resolution is to travel more on a budget, now is your chance, thanks to Southwest Airlines.

The airline is offering a sale on domestic and international flights, but of course, there are some rules. All flights deals must be booked by January 4 and travelers have to purchase tickets no more than 21 days ahead of their flight date. Tourists flying domestically need to pay attention to the dates that apply to this travel sale. These dates include January 8 through May 22 within the continental United States, as well as January 14 through February 28 and April 23 through May 16 when traveling to San Juan, Puerto Rico.

Southwest has some pretty good flight deals for people traveling back and forth to the following cities. A flight from Atlanta and Boston goes for as low as $69, Chicago and New York City for $91, and a quick flight from Dallas to New Orleans goes for $109. The 45-minute flight from Sin City to Los Angeles is no more than $59 and San Juan and Chicago for $152. There is also a flight from Atlanta to Nashville, Tennessee for as low as $67 one-way. You can plan your summer vacation with this extra cheap flight from New York to Tampa, Florida for $104.

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Like most airline sales, Southwest says the fares are non-refundable, restrictions and exclusions apply, and of course, seats, travel days and markets are limited.

The airline is doing a great job of keeping their customers happy this season. They also had a holiday contest, giving a lucky winner the chance to win four round-trip flights to a Southwest destination of their choice. To enter the contest, potential travelers needed to post a holiday throwback picture on Instagram or Twitter before Dec. 27, 2018. Using the hashtags #ReelThrowback and #Sweepstakes and tagging @SouthwestAir and @SweedishFish, contestants only get to enter once.