$65+ Cheap flights from St. Louis (STL) to Dallas
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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DFW
Mar 23 — Mar 301
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 August or September, booked 45 days in advance, depart on a Thursday or Tuesday and return on a Thursday
Cheap flight deals from St. Louis to Dallas
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Best
Last-minute
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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 February 21, 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 February 21, 2026.
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:12 am
STL
- DFW
Nonstop2h 09m
American Airlines
Thu 4/27:08 am
DFW
- STL
Nonstop1h 47m
American Airlines
Deal found 2/21![American Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 2/18. 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 3/186:10 am
STL
- DAL
Nonstop1h 50m
Southwest
Wed 3/259:50 am
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 2/18![Southwest logo]()
$245
This Trip.com deal was found by Cheapflights users on 2/19. 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 3/129:05 pm
STL
- DFW
1 stop16h 49m
Frontier
Sun 3/155:45 am
DFW
- STL
1 stop28h 04m
Frontier
Deal found 2/19![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/199:50 am
STL
- DFW
2 stops12h 57m
Multiple Airlines
Mon 3/236:13 pm
DFW
- STL
1 stop16h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/2611:21 am
STL
- DFW
1 stop5h 47m
Frontier
Sun 3/2910:45 pm
DFW
- STL
2 stops36h 34m
Frontier
Deal found 2/19![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/199:50 am
STL
- DFW
2 stops12h 57m
Multiple Airlines
Mon 3/308:26 pm
DFW
- STL
1 stop14h 06m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$249
This Frontier deal was found by Cheapflights users on 2/18. 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.
Thu 3/510:11 pm
STL
- DFW
1 stop7h 36m
Frontier
Mon 3/96:00 am
DFW
- STL
1 stop7h 19m
Frontier
Deal found 2/18![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 2/18. 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 3/68:12 pm
STL
- DFW
1 stop17h 16m
Frontier
Sun 3/155:45 am
DFW
- STL
1 stop28h 04m
Frontier
Deal found 2/18![Frontier logo]()
$251
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 4/85:20 am
STL
- DFW
Nonstop2h 02m
American Airlines
Mon 4/139:10 pm
DFW
- STL
Nonstop1h 49m
American Airlines
Deal found 2/19![American Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/110:11 pm
STL
- DFW
1 stop7h 36m
Frontier
Tue 3/313:15 pm
DFW
- STL
1 stop18h 33m
Frontier
Deal found 2/18![Frontier logo]()
$254
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:14 pm
STL
- DFW
1 stop17h 33m
Frontier
Mon 3/96:00 am
DFW
- STL
1 stop7h 19m
Frontier
Deal found 2/18![Frontier logo]()
$255
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 5/185:20 am
STL
- DFW
Nonstop2h 02m
American Airlines
Mon 5/183:35 pm
DFW
- STL
Nonstop1h 46m
American Airlines
Deal found 2/18![American Airlines logo]()
$256
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 February 21, 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 February 21, 2026.
This Southwest deal was found by Cheapflights users on 2/19. 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 4/16:10 am
STL
- DAL
Nonstop1h 50m
Southwest
Sat 4/1112:35 pm
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 2/19![Southwest logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/510:11 pm
STL
- DFW
1 stop7h 36m
Frontier
Sun 3/81:07 pm
DFW
- STL
2 stops24h 12m
Frontier
Deal found 2/18![Frontier logo]()
$250
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 3/195:12 am
STL
- DFW
Nonstop2h 09m
American Airlines
Mon 3/237:08 am
DFW
- STL
Nonstop1h 47m
American Airlines
Deal found 2/17![American Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/218:12 pm
STL
- DFW
2 stops27h 41m
Multiple Airlines
Mon 3/308:26 pm
DFW
- STL
1 stop14h 06m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 5/236:00 am
STL
- DFW
1 stop5h 12m
Delta
Mon 5/257:04 am
DFW
- STL
1 stop5h 16m
Delta
Deal found 2/19![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 2/18. 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 8/136:40 am
STL
- DFW
1 stop6h 49m
United Airlines
Mon 8/176:04 pm
DFW
- STL
1 stop5h 39m
United Airlines
Deal found 2/18![United Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 2/17. 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 3/199:40 pm
STL
- DAL
Nonstop1h 50m
Southwest
Mon 3/3010:25 pm
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 2/17![Southwest logo]()
$245
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Fri 5/298:25 am
STL
- DFW
Nonstop2h 03m
American Airlines
Tue 6/210:10 pm
DFW
- STL
Nonstop1h 49m
American Airlines
Deal found 2/17![American Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 2/17. 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.
Thu 4/26:29 am
STL
- DFW
1 stop8h 07m
Delta
Mon 4/66:17 pm
DFW
- STL
1 stop5h 08m
Delta
Deal found 2/17![Delta logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/2611:21 am
STL
- DFW
1 stop5h 47m
Frontier
Mon 4/68:39 pm
DFW
- STL
2 stops13h 51m
Frontier
Deal found 2/18![Frontier logo]()
$268
This Southwest deal was found by Cheapflights users on 2/18. 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 3/118:50 pm
STL
- DAL
Nonstop1h 50m
Southwest
Tue 3/179:50 am
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 2/18![Southwest logo]()
$245
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 4/227:45 am
STL
- DFW
2 stops8h 29m
United Airlines
Wed 4/295:15 am
DFW
- STL
1 stop4h 10m
United Airlines
Deal found 2/18![United Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 2/17. 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.
Sat 6/271:30 pm
STL
- DFW
1 stop5h 04m
Delta
Mon 6/297:00 am
DFW
- STL
1 stop5h 54m
Delta
Deal found 2/17![Delta logo]()
$265
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Fri 5/297:00 am
STL
- DFW
1 stop5h 17m
American Airlines
Mon 6/17:00 am
DFW
- STL
Nonstop1h 51m
American Airlines
Deal found 2/17![American Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/147:45 am
STL
- DFW
2 stops8h 29m
United Airlines
Thu 4/165:15 am
DFW
- STL
1 stop4h 10m
United Airlines
Deal found 2/19![United Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 2/18. 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 3/186:10 am
STL
- DAL
Nonstop1h 50m
Southwest
Wed 3/251:00 pm
DAL
- STL
1 stop5h 00m
Southwest
Deal found 2/18![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 2/18. 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 4/88:30 am
STL
- DAL
1 stop3h 30m
Southwest
Mon 4/137:45 am
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 2/18![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 2/18. 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 4/225:15 am
STL
- DAL
1 stop5h 25m
Southwest
Wed 4/291:05 pm
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 2/18![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 2/17. 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 3/265:45 am
STL
- DAL
Nonstop1h 50m
Southwest
Fri 3/277:55 am
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 2/17![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 2/20. 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 4/69:40 pm
STL
- DAL
Nonstop1h 50m
Southwest
Mon 4/139:00 pm
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 2/20![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 2/18. 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 3/279:40 pm
STL
- DAL
Nonstop1h 50m
Southwest
Mon 3/308:30 pm
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 2/18![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 2/17. 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 3/178:50 pm
STL
- DAL
Nonstop1h 50m
Southwest
Tue 3/2412:55 pm
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 2/17![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 2/17. 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 3/195:45 am
STL
- DAL
Nonstop1h 50m
Southwest
Mon 3/238:30 pm
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 2/17![Southwest logo]()
$263
Last-minute flights from St. Louis to DallasDiscover last-minute flight deals from St. Louis to Dallas. Data last updated February 21, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Dallas. Data last updated February 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/110:11 pm
STL
- DFW
1 stop7h 36m
Frontier
Tue 3/313:15 pm
DFW
- STL
1 stop18h 33m
Frontier
Deal found 2/18![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 2/18. 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.
Thu 3/510:11 pm
STL
- DFW
1 stop7h 36m
Frontier
Mon 3/96:00 am
DFW
- STL
1 stop7h 19m
Frontier
Deal found 2/18![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 2/19. 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 3/61:09 pm
STL
- DFW
1 stop9h 52m
Frontier
Sun 3/155:45 am
DFW
- STL
1 stop28h 04m
Frontier
Deal found 2/19![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/68:12 pm
STL
- DFW
1 stop14h 58m
Multiple Airlines
Mon 3/98:40 pm
DFW
- STL
2 stops26h 39m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$253
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:14 pm
STL
- DFW
1 stop17h 33m
Frontier
Mon 3/96:00 am
DFW
- STL
1 stop7h 19m
Frontier
Deal found 2/18![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/61:09 pm
STL
- DFW
1 stop9h 52m
Frontier
Sun 3/81:07 pm
DFW
- STL
2 stops24h 12m
Frontier
Deal found 2/20![Frontier logo]()
$257
This Trip.com deal was found by Cheapflights users on 2/19. 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 3/129:05 pm
STL
- DFW
1 stop16h 49m
Frontier
Sun 3/155:45 am
DFW
- STL
1 stop28h 04m
Frontier
Deal found 2/19![Frontier logo]()
$246
This Southwest deal was found by Cheapflights users on 2/18. 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 3/182:15 pm
STL
- DAL
Nonstop1h 50m
Southwest
Wed 3/257:45 pm
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 2/18![Southwest logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/199:50 am
STL
- DFW
2 stops12h 57m
Multiple Airlines
Mon 3/236:13 pm
DFW
- STL
1 stop16h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/199:50 am
STL
- DFW
2 stops12h 57m
Multiple Airlines
Mon 3/308:26 pm
DFW
- STL
1 stop14h 06m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:12 am
STL
- DFW
Nonstop2h 09m
American Airlines
Thu 4/27:08 am
DFW
- STL
Nonstop1h 47m
American Airlines
Deal found 2/21![American Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/2611:21 am
STL
- DFW
1 stop5h 47m
Frontier
Sun 3/2910:45 pm
DFW
- STL
2 stops36h 34m
Frontier
Deal found 2/19![Frontier logo]()
$248
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 February 21, 2026.
Search for one-way flight options from St. Louis to Dallas. Find affordable one-way fares based on user searches. Data last updated February 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/1111:32 am
STL
- DFW
1 stop5h 36m
Frontier
Deal found 2/18![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 5/183:02 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 2/17![Frontier logo]()
$67
This Frontier deal was found by Cheapflights users on 2/20. 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 4/203:21 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 2/20![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/258:17 pm
STL
- DFW
1 stop12h 56m
Frontier
Deal found 2/19![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:17 pm
STL
- DFW
1 stop12h 56m
Frontier
Deal found 2/21![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/168:12 pm
STL
- DFW
1 stop15h 15m
Frontier
Deal found 2/18![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:32 am
STL
- DFW
1 stop5h 36m
Frontier
Deal found 2/21![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 5/48:12 pm
STL
- DFW
1 stop23h 30m
Frontier
Deal found 2/17![Frontier logo]()
$77
This Super.com deal was found by Cheapflights users on 2/19. 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.
Tue 3/108:06 pm
STL
- DFW
1 stop9h 41m
Frontier
Deal found 2/19![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/178:06 pm
STL
- DFW
1 stop15h 03m
Frontier
Deal found 2/20![Frontier logo]()
$81
This Southwest deal was found by Cheapflights users on 2/19. 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 3/186:10 am
STL
- DAL
Nonstop1h 50m
Southwest
Deal found 2/19![Southwest logo]()
$123
This Delta deal was found by Cheapflights users on 2/20. 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 5/191:27 pm
STL
- DAL
1 stop7h 38m
Delta
Deal found 2/20![Delta logo]()
$133
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 February 21, 2026.
Round-trip from | $245 (American Airlines) |
|---|---|
One-way from | $65 (Kiwi.com) |
Popular in | February |
Cheapest in | August |
Average price | $417 |
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 2,558,603 searches. Data last updated February 21, 2026.
Use the filters below to find and compare flights from St. Louis to Dallas that are best for you.
Fly from
St. Louis
Fly to
Dallas
Route
Depart
Return
Price
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Wed 4/1
6:10 am-8:00 am
Nonstop1h 50m
Dallas Love Field
Sat 4/11
12:35 pm-2:20 pm
Nonstop1h 45m
$245
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Thu 3/19
9:40 pm-11:30 pm
Nonstop1h 50m
Dallas Love Field
Mon 3/30
10:25 pm-12:05 am
Nonstop1h 40m
$245
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Wed 3/11
8:50 pm-10:40 pm
Nonstop1h 50m
Dallas Love Field
Tue 3/17
9:50 am-11:30 am
Nonstop1h 40m
$245
St. LouisDallas
STL - DFW
STLDFW
Lambert-St Louis
Thu 3/5
10:11 pm-5:47 am
1 stop7h 36m
Dallas/Fort Worth
Sun 3/8
1:07 pm-1:19 pm
2 stops24h 12m
$250
St. LouisDallas
STL - DFW
STLDFW
Lambert-St Louis
Thu 3/19
5:12 am-7:21 am
Nonstop2h 09m
Dallas/Fort Worth
Mon 3/23
7:08 am-8:55 am
Nonstop1h 47m
$251
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Wed 3/18
6:10 am-8:00 am
Nonstop1h 50m
Dallas Love Field
Wed 3/25
1:00 pm-6:00 pm
1 stop5h 00m
$255
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Wed 4/8
8:30 am-12:00 pm
1 stop3h 30m
Dallas Love Field
Mon 4/13
7:45 am-9:30 am
Nonstop1h 45m
$255
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Wed 4/22
5:15 am-10:40 am
1 stop5h 25m
Dallas Love Field
Wed 4/29
1:05 pm-2:50 pm
Nonstop1h 45m
$255
St. LouisDallas
STL - DFW
STLDFW
Lambert-St Louis
Sat 3/21
8:12 pm-11:53 pm
2 stops27h 41m
Dallas/Fort Worth
Mon 3/30
8:26 pm-10:32 am
1 stop14h 06m
$258
St. LouisDallas
STL - DFW
STLDFW
Lambert-St Louis
Fri 5/29
8:25 am-10:28 am
Nonstop2h 03m
Dallas/Fort Worth
Tue 6/2
10:10 pm-11:59 pm
Nonstop1h 49m
$258
Showing 1-10 of 44 results
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-DAL
STL-DFW
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-DAL
STL-DFW
How far ahead should I book a flight from St. Louis to Dallas?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Dallas. Price data was last updated on February 20, 2026.
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 45 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 St. Louis to Dallas?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Dallas (average of $80). Flying from St. Louis to Dallas in February is currently the most expensive (average of $217). 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 February 21, 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 morning, which can drop the price by up to 30% versus a flight in the afternoon.
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 February 17, 2026.
Travelers seeking maximum savings on their St. Louis to Dallas flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from St. Louis to Dallas
Explore weekly flight availability from St. Louis to Dallas. 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 February 21, 2026.
The most flights from STL to A78 are scheduled on a Saturday (36 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (27 on average).
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 February 21, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and American 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.
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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 February 21, 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 February 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from St. Louis to Dallas
Discover the top 5 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 2,558,603 searches. Data last updated February 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$70 | Average$152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$299 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$159 | Average$419 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$168 | Average$397 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$181 | Average$264 | FlexibilityNo cancel fee | On-time62% |