HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$28+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Irving to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 30, 2025.

Round-trip from

$122
(Frontier)

One-way from

$28
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$269
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).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/28. 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 stop15h 24mFrontier
Deal found 10/28$117
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:35 pmDFW - STL
Nonstop1h 52mFrontier
Thu 11/137:45 pmSTL - DFW
1 stop15h 52mFrontier
Deal found 10/28$122
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sat 11/158:00 amDFW - STL
1 stop7h 38mFrontier
Mon 11/177:45 pmSTL - DFW
1 stop15h 24mFrontier
Deal found 10/30$123
This CheapOair deal was found by Cheapflights users on 10/29. 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.
Wed 11/264:27 pmDFW - STL
Nonstop1h 51mFrontier
Wed 12/33:30 pmSTL - DFW
1 stop22h 18mFrontier
Deal found 10/29$124
This CheapOair deal was found by Cheapflights users on 10/27. 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 11/63:35 pmDFW - STL
Nonstop1h 52mFrontier
Mon 11/107:45 pmSTL - DFW
1 stop15h 24mFrontier
Deal found 10/27$127
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/510:38 pmDFW - STL
1 stop11h 36mFrontier
Mon 12/812:07 pmSTL - DFW
1 stop7h 53mFrontier
Deal found 10/30$128
This CheapOair deal was found by Cheapflights users on 10/29. 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.
Wed 11/194:06 pmDFW - STL
1 stop26h 52mFrontier
Sun 11/237:03 pmSTL - DFW
Nonstop2h 04mFrontier
Deal found 10/29$134
This CheapOair deal was found by Cheapflights users on 10/29. 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.
Mon 11/1010:28 pmDFW - STL
1 stop10h 39mFrontier
Thu 11/136:22 pmSTL - DFW
Nonstop1h 57mFrontier
Deal found 10/29$137
This Kiwi.com deal was found by Cheapflights users on 10/29. 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
Sat 11/154:33 pmSTL - DFW
1 stop14h 59mFrontier
Deal found 10/29$138
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:15 amDFW - STL
1 stop28h 02mFrontier
Thu 11/66:22 pmSTL - DFW
Nonstop1h 57mFrontier
Deal found 10/29$140

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 October 30, 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

Sat 12/6

7:01 am-12:40 pm

1 stop5h 39m

Lambert-St Louis

Sat 12/6

5:34 pm-11:07 pm

1 stop5h 33m

$177

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 12/9

6:50 am-12:04 pm

1 stop5h 14m

Lambert-St Louis

Tue 12/9

5:12 pm-12:22 am

1 stop7h 10m

$177

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 12/4

6:30 pm-11:29 pm

1 stop4h 59m

Lambert-St Louis

Tue 12/9

9:30 am-3:18 pm

1 stop5h 48m

$198

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 11/18

2:15 pm-9:58 pm

1 stop7h 43m

Lambert-St Louis

Wed 11/19

5:17 pm-12:16 am

1 stop6h 59m

$214

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 11/24

1:40 pm-3:29 pm

Nonstop1h 49m

Lambert-St Louis

Fri 11/28

7:20 pm-12:43 am

1 stop5h 23m

$234

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/17

5:19 am-10:45 am

1 stop5h 26m

Lambert-St Louis

Wed 12/31

5:13 pm-12:28 am

1 stop7h 15m

$234

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 12/23

3:26 pm-5:10 pm

Nonstop1h 44m

Lambert-St Louis

Tue 12/30

5:16 am-7:19 am

Nonstop2h 03m

$239

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 12/8

5:19 am-10:45 am

1 stop5h 26m

Lambert-St Louis

Mon 12/8

5:12 pm-10:09 pm

1 stop4h 57m

$249

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 11/27

5:25 am-9:59 am

1 stop4h 34m

Lambert-St Louis

Fri 11/28

6:00 am-12:38 pm

1 stop6h 38m

$258

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/31

3:26 pm-10:16 pm

1 stop6h 50m

Lambert-St Louis

Fri 1/2

6:00 am-12:31 pm

1 stop6h 31m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 21 results
1
2
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 October 24, 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 October 30, 2025.

It’s typically best to fly out from Irving to St. Louis in the evening. Doing so could potentially save you 12% 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.

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 October 30, 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
4,242 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

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
11,030 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

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
3,123 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

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 10 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 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 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 (90%), GOL (90%), Frontier( 88%).

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

    While on average a flight from Irving to St. Louis is generally $232, our data shows the cheapest flight currently is $48. When looking at the most popular route, (Dallas/Fort Worth - Lambert-St Louis), you can expect to pay $141 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

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 Irving to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Kansas City flights
Dallas/Fort Worth to St. Louis flights
Hobby to St. Louis flights
Hobby to Kansas City flights
George Bush Intcntl to St. Louis flights
George Bush Intcntl to Kansas City flights
Love Field to St. Louis flights
Austin to Kansas City flights
Austin to St. Louis flights
George Bush Intcntl to Springfield flights
Love Field to Kansas City flights
Dallas/Fort Worth to Springfield flights
Hobby to Springfield flights
San Antonio to St. Louis flights
Dallas/Fort Worth to Columbia flights
San Antonio to Kansas City flights
Hobby to Columbia flights
Austin to Springfield flights
George Bush Intcntl to Columbia flights
McAllen to Kansas City flights
El Paso to St. Louis flights
El Paso to Springfield flights
Austin to Columbia flights
San Antonio to Springfield flights
El Paso to Kansas City flights
Love Field to Springfield flights
Lubbock to Kansas City flights
Corpus Christi to St. Louis flights
Dallas/Fort Worth to Joplin flights
Austin to Joplin flights
Lubbock to Springfield flights
Amarillo to Springfield flights
George Bush Intcntl to Joplin flights
McAllen to Springfield flights
Midland to Springfield flights
Killeen to Kansas City flights
Dallas/Fort Worth to Branson flights
Lubbock to St. Louis flights
Killeen to St. Louis flights
San Antonio to Joplin flights
Abilene to Springfield flights
Laredo to Kansas City flights
Corpus Christi to Columbia flights
McAllen to Joplin flights
Waco to Columbia flights
Lubbock to Columbia flights
Waco to St. Louis flights
Killeen to Columbia flights
San Angelo to Kansas City flights

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$179FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$177Average$317FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$177Average$380FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.