$36+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DFW
Sep 3 — Sep 101
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 September or October, booked 86 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 August 4, 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 August 4, 2026.
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:20 am
STL
- DFW
Nonstop1h 56m
Frontier
Fri 9/1810:53 pm
DFW
- STL
1 stop12h 39m
Frontier
Deal found 7/30![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:41 pm
STL
- DFW
Nonstop2h 05m
Frontier
Mon 10/123:50 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/30![Frontier logo]()
$162
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:45 pm
STL
- DAL
Nonstop1h 40m
Southwest
Wed 9/27:40 am
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$163
This Frontier deal was found by Cheapflights users on 7/31. 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 10/296:49 pm
STL
- DFW
Nonstop2h 05m
Frontier
Sun 11/111:11 am
DFW
- STL
1 stop8h 04m
Frontier
Deal found 7/31![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 10/148:10 pm
STL
- DFW
2 stops11h 24m
Frontier
Mon 10/198:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Deal found 7/30![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:17 pm
STL
- DFW
1 stop10h 42m
Frontier
Thu 9/1710:59 pm
DFW
- STL
1 stop12h 28m
Frontier
Deal found 7/30![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:17 pm
STL
- DFW
1 stop10h 42m
Frontier
Sun 9/207:40 am
DFW
- STL
Nonstop1h 55m
Frontier
Deal found 7/31![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Thu 8/205:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Sun 8/238:05 pm
DFW
- STL
2 stops21h 17m
Frontier
Deal found 7/30![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:10 pm
STL
- DFW
1 stop10h 38m
Frontier
Tue 9/82:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/30![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:00 am
STL
- DFW
1 stop11h 12m
Frontier
Tue 8/252:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 8/2![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 10/110:20 am
STL
- DFW
Nonstop1h 56m
Frontier
Tue 10/61:23 pm
DFW
- STL
2 stops22h 09m
Frontier
Deal found 8/1![Frontier logo]()
$175
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:45 pm
STL
- DAL
Nonstop1h 35m
Southwest
Mon 8/316:30 pm
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 7/30![Southwest logo]()
$180
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 August 4, 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 August 4, 2026.
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:45 pm
STL
- DAL
Nonstop1h 40m
Southwest
Wed 9/3012:30 pm
DAL
- STL
1 stop5h 25m
Southwest
Deal found 7/30![Southwest logo]()
$173
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/69:30 am
STL
- DFW
1 stop5h 45m
United Airlines
Sat 9/1210:22 am
DFW
- STL
1 stop5h 21m
United Airlines
Deal found 8/2![United Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 8/1. 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 9/2912:00 pm
STL
- DAL
1 stop6h 02m
Delta
Mon 10/56:47 pm
DAL
- STL
1 stop4h 55m
Delta
Deal found 8/1![Delta logo]()
$233
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:43 am
STL
- DFW
Nonstop1h 57m
American Airlines
Mon 9/144:16 pm
DFW
- STL
Nonstop1h 48m
American Airlines
Deal found 8/3![American Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:25 pm
STL
- DAL
1 stop3h 10m
Southwest
Sat 10/107:20 am
DAL
- STL
Nonstop1h 50m
Southwest
Deal found 7/30![Southwest logo]()
$186
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:45 pm
STL
- DAL
Nonstop1h 35m
Southwest
Sat 9/511:30 am
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$197
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/311:15 am
STL
- DFW
1 stop6h 36m
United Airlines
Sun 9/63:59 pm
DFW
- STL
1 stop4h 30m
United Airlines
Deal found 8/2![United Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:15 am
STL
- DFW
1 stop6h 16m
Delta
Fri 9/116:29 pm
DFW
- STL
1 stop4h 47m
Delta
Deal found 8/3![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 8/1. 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 9/105:45 am
STL
- DAL
Nonstop1h 40m
Southwest
Thu 9/177:40 am
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 8/1![Southwest logo]()
$213
This Delta deal was found by Cheapflights users on 8/1. 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.
Fri 10/26:54 pm
STL
- DFW
1 stop5h 03m
Delta
Tue 10/65:30 am
DFW
- STL
1 stop5h 21m
Delta
Deal found 8/1![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:50 pm
STL
- DAL
Nonstop1h 40m
Southwest
Mon 10/2610:05 am
DAL
- STL
1 stop4h 50m
Southwest
Deal found 8/3![Southwest logo]()
$223
This Delta deal was found by Cheapflights users on 8/2. 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.
Fri 9/45:23 pm
STL
- DFW
1 stop6h 36m
Delta
Mon 9/75:20 am
DFW
- STL
1 stop6h 26m
Delta
Deal found 8/2![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:30 pm
STL
- DAL
1 stop4h 05m
Southwest
Tue 9/84:10 pm
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 8/3![Southwest logo]()
$223
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:40 am
STL
- DFW
2 stops11h 17m
United Airlines
Tue 9/812:10 pm
DFW
- STL
2 stops9h 50m
United Airlines
Deal found 8/3![United Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:30 pm
STL
- DAL
1 stop4h 10m
Southwest
Sat 9/1911:40 am
DAL
- STL
1 stop3h 55m
Southwest
Deal found 8/3![Southwest logo]()
$233
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:29 pm
STL
- DFW
2 stops9h 30m
United Airlines
Sat 10/1011:57 am
DFW
- STL
2 stops9h 24m
United Airlines
Deal found 7/30![United Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:35 am
STL
- DFW
1 stop7h 30m
United Airlines
Sat 9/1912:40 pm
DFW
- STL
2 stops10h 19m
United Airlines
Deal found 8/3![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/246:00 am
STL
- DFW
2 stops12h 12m
United Airlines
Sun 10/255:15 am
DFW
- STL
1 stop4h 47m
United Airlines
Deal found 7/31![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 10/28:00 am
STL
- DFW
2 stops10h 21m
United Airlines
Sun 10/49:50 am
DFW
- STL
1 stop4h 20m
United Airlines
Deal found 8/2![United Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:30 am
STL
- DFW
2 stops10h 27m
United Airlines
Tue 9/812:10 pm
DFW
- STL
2 stops9h 50m
United Airlines
Deal found 7/30![United Airlines logo]()
$415
Last-minute flights from St. Louis to DallasDiscover last-minute flight deals from St. Louis to Dallas. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Dallas. Data last updated August 4, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 7/31. 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.
Tue 8/117:03 pm
STL
- DFW
1 stop10h 45m
Frontier
Fri 8/1412:58 pm
DFW
- STL
1 stop11h 01m
Frontier
Deal found 7/31![Frontier logo]()
$287
This Priceline deal was found by Cheapflights users on 8/2. 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.
Tue 8/117:03 pm
STL
- DFW
1 stop10h 45m
Frontier
Wed 8/129:07 am
DFW
- STL
1 stop10h 16m
Frontier
Deal found 8/2![Frontier logo]()
$300
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Wed 8/124:57 pm
STL
- DFW
1 stop5h 34m
Frontier
Tue 8/1810:59 pm
DFW
- STL
1 stop18h 51m
Frontier
Deal found 7/31![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:57 pm
STL
- DFW
1 stop5h 34m
Frontier
Sun 8/1612:15 pm
DFW
- STL
1 stop11h 44m
Frontier
Deal found 7/30![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 8/1. 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 8/148:08 pm
STL
- DFW
1 stop12h 01m
Frontier
Mon 8/1712:58 pm
DFW
- STL
1 stop11h 01m
Frontier
Deal found 8/1![Frontier logo]()
$307
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:45 pm
STL
- DAL
Nonstop1h 40m
Southwest
Wed 9/27:40 am
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:45 pm
STL
- DAL
Nonstop1h 35m
Southwest
Mon 8/316:30 pm
DAL
- STL
Nonstop1h 40m
Southwest
Deal found 7/30![Southwest logo]()
$180
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:30 am
STL
- DAL
1 stop3h 50m
Southwest
Thu 9/36:00 am
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$203
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:45 pm
STL
- DAL
Nonstop1h 40m
Southwest
Sun 9/612:45 pm
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 7/31. 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.
Sat 9/56:50 am
STL
- DAL
Nonstop1h 35m
Southwest
Sun 9/69:05 am
DAL
- STL
Nonstop1h 50m
Southwest
Deal found 7/31![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:50 pm
STL
- DAL
Nonstop1h 35m
Southwest
Mon 9/147:40 am
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:05 am
STL
- DAL
1 stop7h 00m
Delta
Wed 9/166:30 am
DAL
- STL
1 stop6h 53m
Delta
Deal found 7/30![Delta logo]()
$200
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 August 4, 2026.
Search for one-way flight options from St. Louis to Dallas. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/31![Frontier logo]()
$36
This Super.com deal was found by Cheapflights users on 7/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:20 am
STL
- DFW
Nonstop1h 56m
Frontier
Deal found 7/30![Frontier logo]()
$49
This Super.com deal was found by Cheapflights users on 7/31. 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.
Thu 8/205:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/31![Frontier logo]()
$53
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am
STL
- DFW
Nonstop1h 56m
Frontier
Deal found 7/30![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/316:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/31![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Mon 9/282:29 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/30![Frontier logo]()
$61
This Frontier deal was found by Cheapflights users on 8/2. 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 9/35:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 8/2![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/22:29 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/31![Frontier logo]()
$63
This Super.com deal was found by Cheapflights users on 8/1. 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.
Sun 11/16:49 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 8/1![Frontier logo]()
$66
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:45 pm
STL
- DAL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$82
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:15 am
STL
- DAL
1 stop4h 37m
Delta
Deal found 7/30![Delta logo]()
$92
This Southwest deal was found by Cheapflights users on 7/31. 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 8/206:40 pm
STL
- DAL
Nonstop1h 35m
Southwest
Deal found 7/31![Southwest logo]()
$99
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 August 4, 2026.
Round-trip from | $161 (Frontier) |
|---|---|
One-way from | $36 (Frontier) |
Popular in | June |
Cheapest in | September |
Average price | $236 |
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 August 4, 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 - DAL
STLDAL
Lambert-St Louis
Wed 9/23
12:45 pm-2:25 pm
Nonstop1h 40m
Dallas Love Field
Wed 9/30
12:30 pm-5:55 pm
1 stop5h 25m
$173
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Wed 10/7
1:25 pm-4:35 pm
1 stop3h 10m
Dallas Love Field
Sat 10/10
7:20 am-9:10 am
Nonstop1h 50m
$186
Quickest round-trip
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Sat 8/29
5:45 pm-7:20 pm
Nonstop1h 35m
Dallas Love Field
Sat 9/5
11:30 am-1:15 pm
Nonstop1h 45m
$197
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Thu 9/10
5:45 am-7:25 am
Nonstop1h 40m
Dallas Love Field
Thu 9/17
7:40 am-9:25 am
Nonstop1h 45m
$213
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Thu 10/22
9:50 pm-11:30 pm
Nonstop1h 40m
Dallas Love Field
Mon 10/26
10:05 am-2:55 pm
1 stop4h 50m
$223
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Tue 9/1
5:30 pm-9:35 pm
1 stop4h 05m
Dallas Love Field
Tue 9/8
4:10 pm-5:55 pm
Nonstop1h 45m
$223
St. LouisDallas
STL - DFW
STLDFW
Lambert-St Louis
Sun 9/6
9:30 am-3:15 pm
1 stop5h 45m
Dallas/Fort Worth
Sat 9/12
10:22 am-3:43 pm
1 stop5h 21m
$225
St. LouisDallas
STL - DFW
STLDFW
Lambert-St Louis
Thu 9/3
11:15 am-5:51 pm
1 stop6h 36m
Dallas/Fort Worth
Sun 9/6
3:59 pm-8:29 pm
1 stop4h 30m
$225
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Tue 9/29
12:00 pm-6:02 pm
1 stop6h 02m
Dallas Love Field
Mon 10/5
6:47 pm-11:42 pm
1 stop4h 55m
$233
St. LouisDallas
STL - DAL
STLDAL
Lambert-St Louis
Tue 9/8
5:30 pm-9:40 pm
1 stop4h 10m
Dallas Love Field
Sat 9/19
11:40 am-3:35 pm
1 stop3h 55m
$233
Showing 1-10 of 40 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 $222). 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 August 4, 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 37% 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 $178 and $348 in September.The cheapest round-trip price found within the last 5 days was $161 on Frontier (Sep 13-Sep 18).
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 85 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 August 1, 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 August 4, 2026.
Peruse reviews from past customers who have flown with Southwest,JetBlue, 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.
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
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 August 4, 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 August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from St. Louis to Dallas
Discover the top 4 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$165 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$174 | Average$304 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$178 | Average$338 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$181 | Average$264 | FlexibilityNo cancel fee | On-time62% |