Cheap flights from St Louis to Dallas

One-way fares from $159 · STL → DFW · prices found by travellers in the last 48 hours

Cheapest fare
$159

Frontier Airlines · Thu, Nov 12

Cheapest month
November

from $159

Direct flights
Yes

Frontier Airlines and American Airlines

Flight time
2h 03m

880 km

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Cheapest month to fly from St Louis to Dallas

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $159

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart12:14 Thu, Nov 12STL → DFW 2h 03m · Direct
$159one way, per person
View deal
American Airlines
Depart10:21 Tue, Nov 10STL → DFW 2h 07m · Direct
$183one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Dallas

Where to stay, what to do and getting around, from our travel partners.

About flights from St Louis to Dallas

St Louis (STL) and Dallas (DFW) are about 880 km apart. Direct flights take around 2h 03m, and recent direct fares were with Frontier Airlines and American Airlines. Over the next few months, one-way fares start from $159, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from St Louis to Dallas?

The cheapest one-way fare we've seen recently is $159 with Frontier Airlines, departing Thursday, November 12, 2026.

What is the cheapest month to fly from St Louis to Dallas?

November 2026 currently has the lowest fares, from $159 one way.

Are there direct flights from St Louis to Dallas?

Yes. Recent direct fares were with Frontier Airlines and American Airlines.

How long is the flight from St Louis to Dallas?

A direct flight takes about 2h 03m. St Louis and Dallas are around 880 km apart.

Which airlines fly from St Louis to Dallas?

Recent fares on this route were with Frontier Airlines and American Airlines.

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