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St. Louis

$70+ Cheap flights from Irving, TX to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Irving to Lambert-St Louis are usually found in August or June, booked 75 days in advance, depart on a Monday or Thursday and return on a Friday

Cheap flight deals from Irving to St. Louis

Keep the following information in mind while searching for Irving to St. Louis flight deals. Data was last updated julio 3, 2025.

Round-trip from

$115
(Frontier)

One-way from

$70
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$233
From Irving to Lambert-St Louis
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One-way flight from Irving to Lambert-St Louis
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Highest demand for flights based on searches. 16% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Irving to St. Louis

Cheapest flights from Irving to St. Louis
Explore the most affordable flight options available from Irving to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/103:00 pmDFW - STL
Nonstop1h 52mFrontier
dom. 10/129:47 amSTL - DFW
Nonstop1h 57mFrontier
Deal found 7/3$115
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/34:36 pmDFW - STL
Nonstop1h 47mAmerican Airlines
jue. 9/45:18 amSTL - DFW
Nonstop1h 56mAmerican Airlines
Deal found 7/3$148
This Priceline deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/125:25 amDFW - STL
1 stop11h 06mMultiple Airlines
jue. 8/142:36 pmSTL - DFW
1 stop7h 22mMultiple Airlines
Deal found 7/1$158
This Priceline deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/216:45 amDFW - STL
1 stop6h 47mSpirit Airlines
dom. 8/242:30 pmSTL - DFW
1 stop5h 14mSpirit Airlines
Deal found 7/2$176
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/143:35 pmDFW - STL
1 stop6h 24mDelta
mar. 10/217:20 amSTL - DFW
1 stop5h 05mDelta
Deal found 7/2$197

Cheapflights Fare Finder

Customize your flight search to find flights from Irving to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 3, 2025.
Use the filters below to find and compare flights from Irving to St. Louis that are best for you.

Fly from

Irving

Fly to

St. Louis

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

mié. 9/3

4:36 pm-6:23 pm

Nonstop1h 47m

Lambert-St Louis

jue. 9/4

5:18 am-7:14 am

Nonstop1h 56m

$148

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 7/24

6:00 am-1:42 pm

1 stop7h 42m

Lambert-St Louis

dom. 7/27

7:54 pm-9:50 pm

Nonstop1h 56m

$149

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

mar. 8/12

5:25 am-4:31 pm

1 stop11h 06m

Lambert-St Louis

jue. 8/14

2:36 pm-9:58 pm

1 stop7h 22m

$158

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 8/21

6:45 am-1:32 pm

1 stop6h 47m

Lambert-St Louis

dom. 8/24

2:30 pm-7:44 pm

1 stop5h 14m

$176

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

lun. 8/4

4:25 pm-11:53 pm

1 stop7h 28m

Lambert-St Louis

mié. 8/6

9:27 am-3:20 pm

1 stop5h 53m

$197

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

mar. 9/16

10:00 am-11:52 am

Nonstop1h 52m

$70

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 9/25

5:45 am-3:04 pm

1 stop9h 19m

$71

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 9/11

6:45 am-1:35 pm

1 stop6h 50m

$77

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

lun. 9/29

5:46 pm-9:59 pm

1 stop4h 13m

$99

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

vie. 9/26

6:20 pm-11:24 pm

1 stop5h 04m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from Irving to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Irving with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from Irving to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Irving to St. Louis. Price data was last updated on June 27, 2025.

The price you pay for your flight from Irving to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Irving to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Irving to St. Louis (average of $311). Flying from Irving to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Irving to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

When flying from Irving to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Irving to St. Louis. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Irving to St. Louis

Explore weekly flight availability from Irving to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 3, 2025.

The most flights from 1RV to STL are scheduled on a Wednesday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated julio 3, 2025.
Read through reviews of airlines operating flights from Irving to St. Louis, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,086 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,286 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Irving to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For a flight from Irving to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 16 inbound flights from Irving per day. 4 airlines have flights to Lambert-St Louis from Irving on a regular basis.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $70. However, be on the lookout for offers from Frontier and Spirit Airlines, as they are both options that can get you from Irving to St. Louis for a low price.

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

    Before booking your flight to St. Louis from Irving, check out the most reliable airlines to get you to your destination on time: Frontier (83%), GOL (80%), Envoy Air( 79%).

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

    While on average a flight from Irving to St. Louis is generally $183, our data shows the cheapest flight currently is $61. When looking at the most popular route, (Dallas/Fort Worth - Lambert-St Louis), you can expect to pay $136 for that flight.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Irving to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Irving to St. Louis (average of $311). Flying from Irving to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Irving?

Book flights to Irving if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

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Top 4 airlines flying from Irving to St. Louis

Discover the top 4 airlines that operate flights from Irving to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$49Average$170FlexibilityNo cancel feeOn-time62%
DeltaCheapest$103Average$196FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$179Average$453FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$317FlexibilityNo cancel feeOn-time63%

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