Cheap flights from Dallas to St Louis

One-way fares from $136 · DFW → STL · prices found by travellers in the last 48 hours

Cheapest fare
$136

Frontier Airlines · Wed, Nov 11

Cheapest month
November

from $136

Direct flights
Yes

Frontier Airlines

Flight time
1h 49m

880 km

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Cheapest month to fly from Dallas to St Louis

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

  1. November 2026 Cheapest $136

Cheapest dates in November 2026

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

Frontier Airlines
Depart07:00 Wed, Nov 11DFW → STL 4h 24m · 1 stop
$136one way, per person
View deal
Frontier Airlines
Depart09:30 Fri, Nov 13DFW → STL 1h 49m · Direct
$159one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to St Louis

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

About flights from Dallas to St Louis

Dallas (DFW) and St Louis (STL) are about 880 km apart. Direct flights take around 1h 49m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $136, 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 Dallas to St Louis?

The cheapest one-way fare we've seen recently is $136 with Frontier Airlines, departing Wednesday, November 11, 2026.

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

November 2026 currently has the lowest fares, from $136 one way.

Are there direct flights from Dallas to St Louis?

Yes. Recent direct fares were with Frontier Airlines.

How long is the flight from Dallas to St Louis?

A direct flight takes about 1h 49m. Dallas and St Louis are around 880 km apart.

Which airlines fly from Dallas to St Louis?

Recent fares on this route were with Frontier Airlines.

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