Flight
Driving
O'Fallon to Dallas
Updated: 28 May 2026
The route from O'Fallon to Dallas covers about 650 miles. Driving via US-67 and I-49 takes approximately 10 hours. You will travel through the Ozarks and into the plains of Oklahoma and Texas. Alternatively, you can fly from St. Louis (STL) to Dallas/Fort Worth (DFW) or Dallas Love Field (DAL) in about 1 hour and 45 minutes.
Total Distance: 1,050 km driving distance; 920 km straight-line air distance.
Fastest Way
Flying is the fastest, taking less than 2 hours in the air.
Cheapest Way
Driving is the most cost-effective for multiple travelers.
Compare O'Fallon to Dallas Routes
|
Direct
|
Direct
|
|
|---|---|---|
| Duration | 1 hour 45 mins | 10 hours |
| Avg Price | 150-350 USD | 120-160 USD |
| Operator | Southwest Airlines | Personal Vehicle |
| Route | STL to DAL/DFW | US-67 S to I-49 S |
| Tip | Southwest flies directly into Dallas Love Field. | Be prepared for winding roads through the Ozark mountains. |
Travel Tips
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TrafficAvoid Dallas highways during rush hours (7-9 AM and 4-6 PM).
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Airport ChoiceDallas Love Field is closer to downtown than DFW.
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DiningTry authentic Texas BBQ at one of the many local smokehouses.
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WeatherSummers are extremely hot; stay hydrated.
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NavigationUse a GPS app to navigate the complex highway interchanges.
Safety Tips
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Heat SafetyNever leave children or pets in a parked car during summer.
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DrivingStay alert on long stretches of highway in Oklahoma.
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City SafetyBe aware of your surroundings in downtown areas at night.
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EmergencyKeep a spare tire and jack in your vehicle.
People Also Ask
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How long is the drive?The drive takes about 10 hours.
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Which airport is better?Love Field is more convenient for downtown access.
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Are there tolls?Yes, some Dallas highways use electronic tolling.
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Is it a safe drive?Yes, the route is well-traveled and safe.
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What is the best time to visit?Spring and fall offer the best weather.
Quick Info
- From O'Fallon, Missouri, United States
- To Dallas, Texas, United States
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Modes
Best Time to Travel
March to May or October to November for pleasant weather.
Things to Do in Dallas
1
The Sixth Floor Museum
Visit the site of the JFK assassination at Dealey Plaza. It provides a comprehensive look at the historical event.
2
Dallas Arboretum
Walk through 66 acres of beautiful gardens on the shores of White Rock Lake. It is a peaceful escape from the city.
3
Perot Museum
Explore interactive science and nature exhibits. It is a great destination for families.
4
Klyde Warren Park
Relax in this urban park built over a freeway. It features food trucks and free activities.
Tags
O'Fallon to Dallas
driving to Texas
I-49 route
flights from STL to DFW
Missouri to Dallas
Dallas travel guide
road trip to Texas
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