Route Price Intelligence
Cheap Flights From St. Louis to Dallas/Fort Worth
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Dallas fares from St. Louis are down to $168 round trip on Frontier, 42 percent off the usual $291. Availability stretches through the fall. It's an easy, low-cost add for visiting family, catching a connection, or a quick city break, and the price makes it one of the more bookable options on today's board.
✓ 12 date combinations found at this price
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Best Time to Fly from St. Louis to Dallas/Fort Worth
The cheapest time to fly from St. Louis to Dallas/Fort Worth is typically June, when fares average around $138. The most expensive month tends to be March at around $311. For the best deals, consider flying in June, July, May.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route