$56+ Cheap flights from St. Louis (STL) to Dallas
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DFW
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Dallas 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 Lambert-St Louis to Dallas are usually found in November or October, booked 49 days in advance, depart on a Thursday or Friday and return on a Tuesday
Cheap flight deals from St. Louis to Dallas
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Cheapest flights from St. Louis to DallasExplore the most affordable flight options available from St. Louis to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from St. Louis to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Priceline deal was found by Cheapflights users on 9/8. 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.
Fri 10/95:53 pm -
Nonstop2h 01m
Sun 10/113:02 pm -
Nonstop1h 56m
Deal found 9/8![Frontier logo]()
$167
This FlightHub deal was found by Cheapflights users on 9/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am -
Nonstop1h 56m
Mon 10/58:05 am -
1 stop5h 05m
Deal found 9/8![Frontier logo]()
$168
This CheapOair deal was found by Cheapflights users on 9/8. 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 10/146:35 pm -
1 stop12h 25m
Mon 10/193:02 pm -
Nonstop1h 56m
Deal found 9/8![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 9/8. 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.
Fri 10/166:35 pm -
1 stop12h 33m
Sun 10/183:02 pm -
Nonstop1h 56m
Deal found 9/8![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 9/8. 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.
Fri 10/236:35 pm -
1 stop12h 33m
Sun 10/253:02 pm -
Nonstop1h 56m
Deal found 9/8![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/16:39 pm -
1 stop26h 02m
Tue 10/67:48 pm -
1 stop17h 22m
Deal found 9/6![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/212:14 pm -
Nonstop2h 03m
Wed 11/118:05 am -
1 stop9h 35m
Deal found 9/6![Frontier logo]()
$182
This Priceline deal was found by Cheapflights users on 9/8. 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.
Wed 9/3012:17 pm -
1 stop10h 42m
Thu 10/17:40 am -
Nonstop1h 55m
Deal found 9/8![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/26:44 pm -
1 stop12h 16m
Sat 11/71:23 pm -
1 stop9h 53m
Deal found 9/7![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/61:28 pm -
1 stop9h 26m
Wed 11/118:05 am -
1 stop9h 35m
Deal found 9/6![Frontier logo]()
$186
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:50 pm -
Nonstop1h 40m
Thu 10/1510:55 pm -
Nonstop1h 45m
Deal found 9/10![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:35 pm -
1 stop3h 50m
Wed 10/147:50 pm -
Nonstop1h 45m
Deal found 9/10![Southwest logo]()
$289
Best flights from St. Louis to DallasDiscover carefully curated flight deals from St. Louis to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from St. Louis to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:25 pm -
Nonstop1h 45m
Tue 11/2410:25 pm -
Nonstop1h 40m
Deal found 9/8![Southwest logo]()
$289
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/289:48 pm -
1 stop5h 49m
Thu 12/36:25 pm -
1 stop4h 49m
Deal found 9/5![United Airlines logo]()
$353
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:21 am -
1 stop6h 09m
Thu 10/19:58 pm -
Nonstop1h 45m
Deal found 9/9![American Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 12/16:00 am -
1 stop6h 58m
Mon 12/75:30 am -
1 stop5h 59m
Deal found 9/7![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:25 pm -
1 stop3h 10m
Sat 10/2411:55 am -
Nonstop1h 45m
Deal found 9/9![Southwest logo]()
$289
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:10 am -
Nonstop1h 40m
Thu 10/156:00 am -
1 stop5h 00m
Deal found 9/8![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:40 am -
Nonstop1h 50m
Mon 11/99:55 am -
1 stop3h 50m
Deal found 9/10![Southwest logo]()
$293
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:09 am -
1 stop7h 25m
Mon 11/24:15 pm -
1 stop5h 25m
Deal found 9/8![United Airlines logo]()
$383
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:48 am -
Nonstop2h 04m
Wed 10/219:55 pm -
Nonstop1h 47m
Deal found 9/9![American Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:45 pm -
Nonstop1h 40m
Mon 11/232:15 pm -
1 stop4h 45m
Deal found 9/10![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:40 am -
Nonstop1h 50m
Fri 11/277:35 pm -
Nonstop1h 40m
Deal found 9/5![Southwest logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
1 stop5h 31m
Wed 10/216:00 am -
2 stops9h 43m
Deal found 9/9![United Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:35 am -
2 stops10h 13m
Sun 10/255:15 am -
2 stops10h 28m
Deal found 9/9![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:40 pm -
Nonstop1h 40m
Tue 10/69:05 am -
2 stops5h 50m
Deal found 9/6![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:15 am -
1 stop4h 56m
Sat 11/1412:10 pm -
2 stops9h 30m
Deal found 9/5![United Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 9/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 pm -
1 stop5h 20m
Mon 10/126:00 am -
1 stop3h 40m
Deal found 9/7![Southwest logo]()
$336
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:35 am -
2 stops8h 25m
Thu 1/1412:17 pm -
2 stops9h 30m
Deal found 9/6![United Airlines logo]()
$445
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:10 am -
Nonstop1h 40m
Sun 10/118:25 pm -
1 stop3h 45m
Deal found 9/8![Southwest logo]()
$336
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:12 pm -
1 stop6h 36m
Thu 10/155:15 am -
2 stops10h 28m
Deal found 9/8![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:40 am -
2 stops10h 00m
Sun 11/155:15 am -
1 stop4h 47m
Deal found 9/5![United Airlines logo]()
$457
Last-minute flights from St. Louis to DallasDiscover last-minute flight deals from St. Louis to Dallas. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Dallas. Data last updated September 10, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/8. 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.
Wed 9/3012:17 pm -
1 stop10h 42m
Thu 10/17:40 am -
Nonstop1h 55m
Deal found 9/8![Frontier logo]()
$184
This FlightHub deal was found by Cheapflights users on 9/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am -
Nonstop1h 56m
Mon 10/58:05 am -
1 stop5h 05m
Deal found 9/8![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/16:39 pm -
1 stop26h 02m
Tue 10/67:48 pm -
1 stop17h 22m
Deal found 9/6![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/72:29 pm -
1 stop16h 31m
Mon 10/123:02 pm -
Nonstop1h 56m
Deal found 9/7![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/72:29 pm -
1 stop16h 31m
Sat 10/1012:30 pm -
1 stop6h 27m
Deal found 9/7![Frontier logo]()
$186
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:35 pm -
1 stop3h 50m
Wed 10/147:50 pm -
Nonstop1h 45m
Deal found 9/10![Southwest logo]()
$289
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:50 pm -
Nonstop1h 40m
Thu 10/1510:55 pm -
Nonstop1h 45m
Deal found 9/10![Southwest logo]()
$283
This Priceline deal was found by Cheapflights users on 9/8. 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.
Fri 10/95:53 pm -
Nonstop2h 01m
Sun 10/113:02 pm -
Nonstop1h 56m
Deal found 9/8![Frontier logo]()
$167
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:45 pm -
Nonstop1h 40m
Mon 10/1210:55 pm -
Nonstop1h 45m
Deal found 9/10![Southwest logo]()
$291
This CheapOair deal was found by Cheapflights users on 9/8. 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 10/146:35 pm -
1 stop12h 25m
Mon 10/193:02 pm -
Nonstop1h 56m
Deal found 9/8![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 9/8. 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.
Fri 10/166:35 pm -
1 stop12h 33m
Sun 10/183:02 pm -
Nonstop1h 56m
Deal found 9/8![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 9/8. 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.
Fri 10/236:35 pm -
1 stop12h 33m
Sun 10/253:02 pm -
Nonstop1h 56m
Deal found 9/8![Frontier logo]()
$174
One-way flights from St. Louis to DallasSearch for one-way flight options from St. Louis to Dallas. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from St. Louis to Dallas. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/72:29 pm -
1 stop16h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/146:35 pm -
1 stop12h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/52:29 pm -
1 stop21h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$63
This CheapOair deal was found by Cheapflights users on 9/6. 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 10/196:35 pm -
1 stop12h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 9/5. 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.
Mon 11/96:44 pm -
1 stop12h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$71
This CheapOair deal was found by Cheapflights users on 9/10. 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.
Fri 10/306:44 pm -
1 stop17h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$76
This Booking.com deal was found by Cheapflights users on 9/7. 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.
Mon 10/126:35 pm -
1 stop12h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$78
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:10 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:25 pm -
1 stop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:20 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$148
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:45 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$150
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 10/54:59 pm -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$152
Find flight deals from St. Louis to Dallas
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Dallas (A78). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2026.
Round-trip from | $167 (Priceline) |
|---|---|
One-way from | $56 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $284 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Dallas 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from St. Louis to Dallas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisDallas
STL Lambert-St Louis - DFW Dallas/Fort Worth
STLDFW
Lambert-St Louis
Sun 10/4
5:19 pm-8:41 pm
1 stop27h 22m
Dallas/Fort Worth
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$116
Quickest round-trip
St. LouisDallas
STL Lambert-St Louis - DAL Dallas Love Field
STLDAL
Lambert-St Louis
Thu 10/8
9:50 pm-11:30 pm
Nonstop1h 40m
Dallas Love Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$142
St. LouisDallas
STL Lambert-St Louis - DAL Dallas Love Field
STLDAL
Lambert-St Louis
Sat 11/7
5:30 pm-7:10 pm
Nonstop1h 40m
Dallas Love Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$142
St. LouisDallas
STL Lambert-St Louis - DAL Dallas Love Field
STLDAL
Lambert-St Louis
Wed 10/21
3:35 pm-7:25 pm
1 stop3h 50m
Dallas Love Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
St. LouisDallas
STL Lambert-St Louis - DAL Dallas Love Field
STLDAL
Lambert-St Louis
Tue 10/6
5:35 pm-10:39 pm
1 stop5h 04m
Dallas Love Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$152
St. LouisDallas
STL Lambert-St Louis - DAL Dallas Love Field
STLDAL
Lambert-St Louis
Mon 10/5
4:59 pm-9:57 pm
1 stop4h 58m
Dallas Love Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$152
St. LouisDallas
STL Lambert-St Louis - DAL Dallas Love Field
STLDAL
Lambert-St Louis
Sat 12/5
8:45 am-10:30 am
Nonstop1h 45m
Dallas Love Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
St. LouisDallas
STL Lambert-St Louis - DFW Dallas/Fort Worth
STLDFW
Lambert-St Louis
Tue 11/3
3:35 pm-8:58 pm
1 stop5h 23m
Dallas/Fort Worth
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$168
St. LouisDallas
STL Lambert-St Louis - DAL Dallas Love Field
STLDAL
Lambert-St Louis
Wed 10/7
12:00 pm-6:05 pm
1 stop6h 05m
Dallas Love Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$168
St. LouisDallas
STL Lambert-St Louis - DAL Dallas Love Field
STLDAL
Lambert-St Louis
Mon 10/5
3:20 pm-5:05 pm
Nonstop1h 45m
Dallas Love Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$168
Showing 1-10 of 41 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Dallas
Have a flexible travel schedule? Discover the best time to fly to Dallas from St. Louis with our price prediction graph.
STL-A78
STL-DFW
STL-DAL
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 St. Louis to Dallas
STL-A78
STL-DFW
STL-DAL
What is the cheapest month to book a flight from St. Louis to Dallas?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Dallas (average of $246). Flying from St. Louis to Dallas in June is currently the most expensive (average of $345). 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 STL to DFW?
Find hourly flight availability from St. Louis to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
When flying from St. Louis to Dallas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 36% versus a flight in the afternoon.
How much does it cost to fly round-trip from St. Louis to Dallas?
Airfare is below average for this route at the moment.
St. Louis to Dallas flights typically cost between $232 and $389 in October.The cheapest round-trip price found within the last 5 days was $167 on Frontier (Oct 9-Oct 11).
How far ahead should I book a flight from St. Louis to Dallas?
The price you pay for your flight from St. Louis to Dallas may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from St. Louis to Dallas?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Dallas. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their St. Louis to Dallas flight should consider departing on Wednesday evenings 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.
The best insider tips for St. Louis to Dallas flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Dallas trip
Our travel experts
Reviews of airlines servicing Dallas
Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated September 10, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from St. Louis to Dallas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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St. Louis and Dallas flights
Browse other St. Louis and Dallas flight options. Last updated on September 10, 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 September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from St. Louis to Dallas
Discover the top 6 airlines that operate flights from St. Louis to Dallas. 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$74 | Average$177 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$142 | Average$474 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$552 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$181 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$189 | Average$306 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$347 | FlexibilityNo cancel fee | On-time63% |