St. Louis

$27+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
May 26 — Jun 21
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Cheapflights Tip: The best prices from Irving to Lambert-St Louis are usually found in August or July, booked 15 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap 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 April 26, 2026.

This Frontier deal was found by Cheapflights users on 4/26. 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.
Tue 7/712:50 pm
DFW
-
STL
Nonstop1h 59m
Frontier
Thu 7/163:34 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 4/26$149
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:46 pm
DFW
-
STL
2 stops25h 37m
Frontier
Wed 6/107:04 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 4/23$151
This Trip.com deal was found by Cheapflights users on 4/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:36 pm
DFW
-
STL
Nonstop1h 55m
Frontier
Sat 6/68:16 pm
STL
-
DFW
Nonstop2h 06m
Frontier
Deal found 4/21$152
This Super.com deal was found by Cheapflights users on 4/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/174:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Sun 6/217:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 4/23$153
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:36 pm
DFW
-
STL
Nonstop1h 55m
Frontier
Wed 5/275:27 pm
STL
-
DFW
1 stop22h 46m
Frontier
Deal found 4/26$156
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:48 am
DFW
-
STL
1 stop11h 45m
Frontier
Wed 5/275:27 pm
STL
-
DFW
1 stop22h 46m
Frontier
Deal found 4/26$157
This Frontier deal was found by Cheapflights users on 4/23. 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.
Sat 6/204:37 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Sat 6/278:08 pm
STL
-
DFW
1 stop12h 01m
Frontier
Deal found 4/23$158
This Frontier deal was found by Cheapflights users on 4/26. 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.
Tue 5/195:48 am
DFW
-
STL
1 stop11h 45m
Frontier
Fri 5/298:08 pm
STL
-
DFW
1 stop11h 59m
Frontier
Deal found 4/26$160
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Sun 6/287:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 4/23$161
This Frontier deal was found by Cheapflights users on 4/26. 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.
Sat 7/1112:50 pm
DFW
-
STL
Nonstop1h 59m
Frontier
Thu 7/163:34 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 4/26$162
This Frontier deal was found by Cheapflights users on 4/22. 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.
Tue 6/212:53 pm
DFW
-
STL
Nonstop1h 55m
Frontier
Sun 6/78:08 pm
STL
-
DFW
1 stop11h 59m
Frontier
Deal found 4/22$163

Find 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 April 26, 2026.

Round-trip from

$149

One-way from

$27
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$341
From Irving to Lambert-St Louis
One-way flight from Irving to Lambert-St Louis
Highest demand for flights based on searches. 26% potential increase in price ($113 potential increase over avg. RT price).
Cheapest flight prices on average. 10% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 26, 2026.
Use the filters below to find and compare flights from Irving to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 5/13

8:17 pm-12:21 am

1 stop28h 04m

Lambert-St Louis

Wed 5/20

6:51 pm-5:41 am

1 stop10h 50m

$181
Quickest round-trip

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 5/13

7:05 am-8:54 am

Nonstop1h 49m

Lambert-St Louis

Wed 5/20

7:12 am-9:20 am

Nonstop2h 08m

$227

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 5/13

1:56 pm-4:54 pm

2 stops26h 58m

Lambert-St Louis

Mon 5/18

4:19 pm-7:50 am

1 stop15h 31m

$230

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 5/22

6:39 pm-11:59 pm

1 stop5h 20m

Lambert-St Louis

Tue 5/26

6:57 pm-12:12 am

1 stop5h 15m

$251

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 6/10

10:06 am-4:17 pm

1 stop6h 11m

Lambert-St Louis

Sun 6/14

7:12 pm-12:19 am

1 stop5h 07m

$275

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 5/20

5:30 am-12:20 pm

1 stop6h 50m

Lambert-St Louis

Fri 5/22

5:20 pm-12:35 am

1 stop7h 15m

$279

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 5/22

6:39 pm-11:59 pm

1 stop5h 20m

Lambert-St Louis

Mon 5/25

7:01 pm-12:35 am

1 stop5h 34m

$311

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 7/6

12:19 pm-6:07 pm

1 stop5h 48m

Lambert-St Louis

Fri 7/17

6:00 am-11:12 am

1 stop5h 12m

$311

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 7/16

6:32 pm-11:53 pm

1 stop5h 21m

Lambert-St Louis

Sun 7/19

6:00 am-11:10 am

1 stop5h 10m

$335

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 5/15

6:32 pm-11:21 pm

1 stop4h 49m

Lambert-St Louis

Sun 5/17

7:01 pm-12:35 am

1 stop5h 34m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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 April 26, 2026.

It’s typically best to fly out from Irving to St. Louis in the morning. Doing so could potentially save you 20% on the flight price compared to flying at noon, which is usually more expensive.

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 April 18, 2026.

Travelers seeking maximum savings on their Irving to St. Louis flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings 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 April 26, 2026.

The most flights from 1RV to STL are scheduled on a Monday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 on average).

How much does it cost to fly round-trip from Irving to St. Louis?

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 April 26, 2026.
Read through reviews of airlines operating flights from Irving to St. Louis, such as Southwest,JetBlue, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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 23 inbound flights from Irving per day. 4 airlines have flights to Lambert-St Louis from Irving on a regular basis.

  • How long is the flight from Irving to St. Louis?

    Departing from Irving to St. Louis will take you 1h 49m. The distance from Irving to St. Louis is about 550 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Southwest and American 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: Envoy Air (100%), PSA Airlines (100%), American Airlines( 78%).

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

    While on average a flight from Irving to St. Louis is generally $768, our data shows the cheapest flight currently is $29. 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Irving to St. Louis

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

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 April 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$174FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$170Average$328FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$175Average$318FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$243Average$340FlexibilityNo cancel feeOn-time62%

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