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St. Louis

$48+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheapflights Tip: The best prices from Irving to Lambert-St Louis are usually found in August or July, booked 88 days in advance, depart on a Thursday or Sunday and return on a Thursday

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 November 5, 2025.

Round-trip from

$117
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$280
From Irving to Lambert-St Louis
Search Deals
One-way flight from Irving to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/206:00 amDFW - STL
1 stop12h 58mFrontier
Sun 11/237:03 pmSTL - DFW
Nonstop2h 04mFrontier
Deal found 11/4$117
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Mon 11/1710:26 pmDFW - STL
1 stop10h 41mFrontier
Thu 11/209:54 pmSTL - DFW
1 stop7h 54mFrontier
Deal found 11/4$123
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:38 pmDFW - STL
1 stop11h 36mFrontier
Mon 12/1510:47 amSTL - DFW
1 stop12h 07mFrontier
Deal found 11/3$137
This CheapOair deal was found by Cheapflights users on 11/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:35 pmDFW - STL
Nonstop1h 52mFrontier
Mon 11/177:45 pmSTL - DFW
1 stop18h 51mFrontier
Deal found 11/4$139
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/133:35 pmDFW - STL
Nonstop1h 52mFrontier
Wed 11/197:45 pmSTL - DFW
2 stops19h 40mFrontier
Deal found 11/4$143
This CheapOair deal was found by Cheapflights users on 11/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:00 amDFW - STL
1 stop7h 56mFrontier
Sun 11/167:02 pmSTL - DFW
Nonstop1h 57mFrontier
Deal found 11/3$144
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/25:48 pmDFW - STL
Nonstop1h 42mAmerican Airlines
Tue 12/97:00 amSTL - DFW
Nonstop2h 16mAmerican Airlines
Deal found 11/4$149
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:28 pmDFW - STL
Nonstop1h 51mFrontier
Sun 11/307:03 pmSTL - DFW
Nonstop2h 04mFrontier
Deal found 11/3$153
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sun 12/149:00 pmDFW - STL
1 stop11h 59mFrontier
Mon 12/1512:07 pmSTL - DFW
1 stop7h 53mFrontier
Deal found 11/4$154

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 November 5, 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

Thu 11/20

6:00 am-6:58 pm

1 stop12h 58m

Lambert-St Louis

Sun 11/23

4:13 pm-8:18 am

1 stop16h 05m

$177

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 12/4

9:00 pm-8:59 am

1 stop11h 59m

Lambert-St Louis

Sun 12/7

10:42 am-6:47 pm

1 stop8h 05m

$195

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 12/5

6:20 am-2:50 pm

1 stop8h 30m

Lambert-St Louis

Tue 12/9

1:20 pm-3:22 pm

Nonstop2h 02m

$196

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 12/5

5:19 am-10:45 am

1 stop5h 26m

Lambert-St Louis

Tue 12/9

6:00 am-12:42 pm

1 stop6h 42m

$198

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 12/11

8:49 am-10:37 am

Nonstop1h 48m

Lambert-St Louis

Sun 12/14

7:00 am-9:16 am

Nonstop2h 16m

$201

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sun 12/14

7:06 am-8:50 am

Nonstop1h 44m

Lambert-St Louis

Mon 12/15

1:20 pm-3:24 pm

Nonstop2h 04m

$201

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 12/6

8:49 am-10:36 am

Nonstop1h 47m

Lambert-St Louis

Mon 12/8

7:35 pm-12:49 am

1 stop5h 14m

$203

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 12/11

10:38 pm-10:14 am

1 stop11h 36m

Lambert-St Louis

Sun 12/14

10:42 am-10:54 pm

1 stop12h 12m

$210

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 2/6

8:00 am-7:41 pm

1 stop11h 41m

Lambert-St Louis

Mon 2/9

5:44 pm-11:00 pm

1 stop29h 16m

$210

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 1/22

1:04 pm-2:47 pm

Nonstop1h 43m

Lambert-St Louis

Sat 1/24

11:05 am-9:40 pm

1 stop10h 35m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 22 results
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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

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 October 31, 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 88 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 $87). Flying from Irving to St. Louis in March is currently the most expensive (average of $197). 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 November 5, 2025.

It’s typically best to fly out from Irving to St. Louis in the evening. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, 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 December 16, 2024.

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. 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 November 5, 2025.

The most flights from 1RV to STL are scheduled on a Tuesday (32 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 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 November 5, 2025.
Read through reviews of airlines operating flights from Irving to St. Louis, such as Southwest, American Airlines, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,239 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
11,039 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.8
Fair
3,115 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 21 inbound flights from Irving per day. 3 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 5h 26m. 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 $48. However, be on the lookout for offers from American Airlines and Delta, 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: GOL (96%), Envoy Air (93%), Frontier( 89%).

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

    While on average a flight from Irving to St. Louis is generally $207, our data shows the cheapest flight currently is $62. When looking at the most popular route, (Dallas/Fort Worth - Lambert-St Louis), you can expect to pay $116 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 $87). Flying from Irving to St. Louis in March is currently the most expensive (average of $197). 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 St. Louis?

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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Irving to St. Louis

Discover the top 3 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$180FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$175Average$380FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$177Average$322FlexibilityNo cancel feeOn-time63%

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