Cheap flights from Dallas to San Juan from $167

If you’re not able to fly to San Juan in January, then October is your next best option. Flight prices from Dallas to San Juan during October average around $347.

The cheapest day to depart from Dallas to San Juan is on a Sunday when prices can be found for as low as $483. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $560.

The cheapest time of day to fly to San Juan is in the evening when flights can be purchased for as low as $476. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $582 on average. Flights to San Juan from Dallas in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Dallas/Fort Worth to San Juan Luis Munoz Marin Intl for the best Dallas - San Juan flight prices

You are more likely to see cheaper flights to San Juan from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Dallas for as low as $359 on momondo.

There are 4 cabin classes available to choose from on Dallas to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, American Airlines, and United Airlines are the most popular carriers operating from Dallas to San Juan

American Airlines, Frontier and Southwest are the top three most popular airlines that fly to San Juan from Dallas according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 6 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between Dallas and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 156 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Spirit Airlines have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

The number of flights available between Dallas and San Juan is 3 per day as of August 2026. The most frequent departure time is 8:00AM, with 53% of daily flights leaving at noon.

As of August 2026, there are 22 flights per week flying from Dallas to San Juan. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.