$56 Find Cheap Flights from St. Louis to Dallas - Compare and Save

Among airlines operating St. Louis to Dallas flights:

• Southwest: offers free seat selection
• Frontier: offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

3 airlines operate flights between St. Louis and Dallas. The airlines offering nonstop flights on this route include:

• American Airlines
• Southwest
• Frontier

Flights from St. Louis to Dallas usually depart from Lambert-St Louis (STL) and may arrive at several airports in Dallas area, including Dallas Addison (ADS), Dallas Love Field (DAL) and Dallas/Fort Worth (DFW).

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class
• Frontier: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from St. Louis to Dallas:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $223 round-trip via Denver Intl (DEN), compared to $297 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $44–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from St. Louis to Dallas most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 60% of one-stop connections
• Denver Intl (DEN) - 27% of one-stop connections
• Houston George Bush Intcntl (IAH) - 13% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

On the St. Louis to Dallas route, being flexible with your departure day can save you up to 34%. Saturday is the cheapest day at $257 round-trip on average, while Monday is the most expensive at $387: a $130 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on St. Louis to Dallas flights, with 51% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 16%, and night flights for 0%.

Some of the most popular sights in Dallas are American Airlines Center, Dallas Market Center and Kay Bailey Hutchison Convention Center. These are among the most viewed places in Dallas on KAYAK.

These are the earliest and latest flight times available from St. Louis to Dallas:

• Earliest: departs at 5:00 am and lands at 6:52 am
• Latest: departs at 9:50 pm and lands at 11:42 pm.

The flight takes about 1h 52m.

Last-minute fares on this route - booked within 2 weeks of departure - run 63% above the route average of $295. Book 5 weeks before departure for the lowest fares.

A nonstop flight from St. Louis to Dallas takes 1h 52m, covering 547 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $156 to $986. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from St. Louis to Dallas are currently lower than usual. Average one-way flight prices are about $112, which is 39% below the typical average for this route.

Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 5h 08m, compared with 5h 55m via Atlanta Hartsfield-Jackson (ATL) and 11h 09m via Denver Intl (DEN).

Since Dallas is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Dallas/Fort Worth Airport (DFW) — daily rates from around $18:

· Easirent
· Europcar
· Ace
· Hertz
· Thrifty

Near Dallas Love Field Airport (DAL) — daily rates from around $24:

· Easirent
· Thrifty
· Dollar
· Budget
· Hertz

Round-trip flights from St. Louis to Dallas range from $213 to $418, with an average of $295 over the past 12 months. Anything below $213 counts as a good deal.

Two airlines offer in-flight Wi-Fi on St. Louis to Dallas flights:

• • American Airlines
• • JetBlue