What are the cheapest airlines to fly from St. Louis to Irving one-way?

$49 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $99 and $106, respectively.

Weekly flight availability from St. Louis to Irving

The most flights from STL to 1RV are scheduled on a Friday (35 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in Irving ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Irving when rainfall is around 1.9 in.

If weather is an important factor for your trip to Irving, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

What are the cheapest flights from St. Louis to Irving?

While on average a flight from St. Louis to Irving is generally $649, our data shows the cheapest flight currently is $149. When looking at the most popular route, (Lambert-St Louis - Dallas/Fort Worth), you can expect to pay $179 for that flight.

What are the most reliable airlines from St. Louis to Irving?

The top 3 most reliable airlines when flying from St. Louis to Irving are PSA Airlines (91%), Frontier (89%) and Japan Airlines (88%).

What are the most popular airlines that fly from St. Louis to Irving?

The most popular airlines flying from St. Louis to Irving are Southwest, American Airlines and Frontier. Something to consider prior to booking your flight.

What airport do you fly from for flights from St. Louis to Irving?

Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Irving. On average, Lambert-St Louis has 19 outbound flights to Irving per day from 5 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

Can I find deals for flights from St. Louis to Irving that include hotel bookings?

Yes. In addition to deals on St. Louis to Irving flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Irving?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Irving.

Can I find deals for business class flights from St. Louis to Irving?

Yes. Cheapflights offers flight deals from St. Louis to Irving by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights Tip: The best prices from Lambert-St Louis to Irving are usually found in May or November, booked 50 days in advance, depart on a Friday or Thursday and return on a Tuesday

Find flight deals from St. Louis to Irving

Popular in	September
Cheapest in	May
Average price	$365

Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from St. Louis to Irving

Prices

Airlines

What is the cheapest time of day to fly from STL to 1RV?

When flying from St. Louis to Irving, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 28% versus a flight in the afternoon.

What is the cheapest day to fly from St. Louis to Irving?

Travelers seeking maximum savings on their St. Louis to Irving flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Irving

Read through reviews of airlines operating flights from St. Louis to Irving, such as Southwest,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

7.9

Good

4,221 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.3

Good

10,431 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

JetBlue

7.1

Good

3,066 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.0

Good

12,192 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Frontier

5.5

Fair

2,519 reviews

Southwest

7.9

Good

4,221 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

What airport do you fly from for flights from St. Louis to Irving?
Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Irving. On average, Lambert-St Louis has 19 outbound flights to Irving per day from 5 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
What are the cheapest airlines to fly from St. Louis to Irving one-way?
$49 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $99 and $106, respectively.
What are the most reliable airlines from St. Louis to Irving?
The top 3 most reliable airlines when flying from St. Louis to Irving are PSA Airlines (91%), Frontier (89%) and Japan Airlines (88%).
What are the cheapest flights from St. Louis to Irving?
While on average a flight from St. Louis to Irving is generally $649, our data shows the cheapest flight currently is $149. When looking at the most popular route, (Lambert-St Louis - Dallas/Fort Worth), you can expect to pay $179 for that flight.
Can I find deals for flights from St. Louis to Irving that include hotel bookings?
Yes. In addition to deals on St. Louis to Irving flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Irving?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Irving.
Can I find deals for business class flights from St. Louis to Irving?
Yes. Cheapflights offers flight deals from St. Louis to Irving by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 5 airlines flying from St. Louis to Irving

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$79	Average$196	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$167	Average$552	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$181	Average$282	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$199	Average$374	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$209	Average$316	FlexibilityNo cancel fee	On-time71%

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Cheap flights from St. Louis (STL) to Irving, TX

Find cheap flights from St. Louis to Irving with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from St. Louis to Irving

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from STL to 1RV?

When flying from St. Louis to Irving, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 28% versus a flight in the afternoon.

What is the cheapest day to fly from St. Louis to Irving?

Travelers seeking maximum savings on their St. Louis to Irving flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Irving

The most flights from STL to 1RV are scheduled on a Friday (35 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Irving

Read through reviews of airlines operating flights from St. Louis to Irving, such as Southwest,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from St. Louis to Irving?

What are the cheapest airlines to fly from St. Louis to Irving one-way?

What are the most reliable airlines from St. Louis to Irving?

What are the cheapest flights from St. Louis to Irving?

Can I find deals for flights from St. Louis to Irving that include hotel bookings?

How can I find direct flights from St. Louis to Irving?

Can I find deals for business class flights from St. Louis to Irving?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Irving

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Irving by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from St. Louis to Irving by cabin class

Find flights from St. Louis to Irving, based on your preferred cabin class, be it economy, premium economy, business, or first class.

St. Louis and Irving flights

Browse other St. Louis and Irving flight options. Last updated on October 25, 2026.

Other flights from St. Louis

Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.

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Top 5 airlines flying from St. Louis to Irving

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