May is the cheapest month to fly this route, with average fares around $214 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $214 | $148 | Best | |
| June 2026 | $217 | $148 | ||
| July 2026 | $221 | $210 | Peak | |
| August 2026 | $215 | $210 |
Departing on Wednesday offers the lowest average fares at $206. Saturday departures are the most expensive at $230, a difference of $24.
The best time to fly is May. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from San Diego to Dallas is May, with average round-trip fares around $214. The lowest fare found in May is $148.
Wednesday departures are the cheapest, averaging $206 round trip. The most expensive day is Saturday at $230.
Based on current pricing trends, booking for May travel offers the best value. Avoid July if possible, as fares average $221 compared to $214 in the cheapest month. June is a solid middle-ground option at $217.
Flying in May instead of July can save you approximately $7 per round trip. The cheapest month averages $214 while the most expensive averages $221.
Airlines, flight times, price calendar, and more for San Diego to Dallas
View SAN → DFW Details