Question 1

What cabin class options are available on Lambert-St Louis to Dallas/Fort Worth flights?

Accepted Answer

There are 4 cabin classes available to choose from on Lambert-St Louis to Dallas/Fort Worth flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 2

What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?

Accepted Answer

Flying to Dallas/Fort Worth Airport from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $350 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $506 on average. Flights to Dallas/Fort Worth Airport from St. Louis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 3

How far in advance should I book a flight to Dallas/Fort Worth Airport?

Accepted Answer

You are more likely to see cheaper flights to Dallas/Fort Worth Airport from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport for around $276 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas/Fort Worth Airport from St. Louis for as low as $237 on momondo.

Question 4

How have St. Louis to Dallas/Fort Worth Airport flight prices changed over time?

Accepted Answer

As of July 2025, prices for St. Louis to Dallas/Fort Worth Airport flights are approximately 65% cheaper when compared to flights at the same time last year.

Question 5

What airlines fly to Dallas/Fort Worth Airport?

Accepted Answer

American Airlines, Southwest and Frontier are the top three most popular airlines that fly to Dallas/Fort Worth Airport from St. Louis according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Dallas/Fort Worth Airport. Keep in mind that there are 3 different airlines that fly to Dallas/Fort Worth Airport on a routine basis, so you have a few additional options to choose from.

Question 6

What is the cheapest month to fly to Dallas/Fort Worth Airport?

Accepted Answer

The cheapest month to fly to Dallas/Fort Worth Airport from St. Louis is in August. Flight prices, which tend to average around $189, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in August, then September is your next best option. Flight prices from St. Louis to Dallas/Fort Worth Airport during September average around $204.

Question 7

Can stopping save me money on St. Louis to Dallas/Fort Worth Airport flights?

Accepted Answer

You could potentially save up to 31% on your flight if you consider stops on a St. Louis to Dallas/Fort Worth Airport flight.

Question 8

What is the cheapest airline that flies from Lambert-St Louis to Dallas/Fort Worth?

Accepted Answer

Frontier, American Airlines, and Spirit Airlines are the most popular carriers operating from Lambert-St Louis to Dallas/Fort Worth

Question 9

How many flights depart from St. Louis to Dallas/Fort Worth Airport on average per day?

Accepted Answer

As of July 2025, there are 31 flights per day flying from St. Louis to Dallas/Fort Worth Airport. The most common time of day flights depart is 12:00PM, with 37% of flights taking off in the afternoon.

Question 10

What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?

Accepted Answer

On average, the least expensive day to fly to Dallas/Fort Worth Airport from St. Louis is on a Friday. momondo users have found tickets for Friday departures for as low as $457. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Dallas/Fort Worth Airport for around $618.

Question 11

What is the cheapest Lambert-St Louis to Dallas/Fort Worth flight route?

Accepted Answer

Fly from Lambert-St Louis to Dallas/Fort Worth for the best Lambert-St Louis - Dallas/Fort Worth flight prices

Question 12

How many flights depart from St. Louis to Dallas/Fort Worth Airport on average per week?

Accepted Answer

223 flights are operational weekly from St. Louis to Dallas/Fort Worth Airport as of July 2025. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.

Question 13

When did momondo last update prices for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport?

Accepted Answer

Prices for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport were last updated today.

Question 14

How many operators does momondo search for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport?

Accepted Answer

As of July 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport.

Question 15

How old do you have to be to fly from Lambert-St Louis Airport to Dallas/Fort Worth Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Dallas/Fort Worth Airport.

Question 16

What documentation or ID do you need to fly to Dallas/Fort Worth Airport?

Accepted Answer

The necessary travel and health documents for your Dallas/Fort Worth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best Price Found	$38
Fastest flight time	1h 49m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $57	Free Cancellation	Rating 5.9 3,261 reviews	Search Frontier flights
American Airlines	PriceFrom $177	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $177	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights

Cheap flights from St. Louis to Dallas from $38

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Dallas departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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What is the cheapest month to fly to Dallas/Fort Worth Airport?

What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?

What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?

What is the cheapest Lambert-St Louis to Dallas/Fort Worth flight route?

Fly from Lambert-St Louis to Dallas/Fort Worth for the best Lambert-St Louis - Dallas/Fort Worth flight prices

How far in advance should I book a flight to Dallas/Fort Worth Airport?

What cabin class options are available on Lambert-St Louis to Dallas/Fort Worth flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to Dallas/Fort Worth flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Dallas/Fort Worth Airport flights?

You could potentially save up to 31% on your flight if you consider stops on a St. Louis to Dallas/Fort Worth Airport flight.

How have St. Louis to Dallas/Fort Worth Airport flight prices changed over time?

As of July 2025, prices for St. Louis to Dallas/Fort Worth Airport flights are approximately 65% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Lambert-St Louis to Dallas/Fort Worth?

Frontier, American Airlines, and Spirit Airlines are the most popular carriers operating from Lambert-St Louis to Dallas/Fort Worth

What airlines fly to Dallas/Fort Worth Airport?

How many flights depart from St. Louis to Dallas/Fort Worth Airport on average per day?

As of July 2025, there are 31 flights per day flying from St. Louis to Dallas/Fort Worth Airport. The most common time of day flights depart is 12:00PM, with 37% of flights taking off in the afternoon.

How many flights depart from St. Louis to Dallas/Fort Worth Airport on average per week?

223 flights are operational weekly from St. Louis to Dallas/Fort Worth Airport as of July 2025. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.

When to book flights from St. Louis to Dallas/Fort Worth Airport

Cheap St. Louis to Dallas/Fort Worth Airport (STL to DFW) flight deals and tips

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How far is Lambert-St Louis to Dallas/Fort Worth by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport?

How many operators does momondo search for flights from Lambert-St Louis Airport to Dallas/Fort Worth Airport?

How old do you have to be to fly from Lambert-St Louis Airport to Dallas/Fort Worth Airport?

What documentation or ID do you need to fly to Dallas/Fort Worth Airport?

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What is the most popular airline from St. Louis to Dallas/Fort Worth Airport?

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