$59+ Cheap flights from St. Louis (STL) to Maryland
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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BWI
Ιουν 4 — Ιουν 111
Round-trip
1 adult, Economy
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Cheapest flights from St. Louis to MarylandExplore the most affordable flight options available from St. Louis to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Μάιος 5, 2026.
Explore the most affordable flight options available from St. Louis to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Μάιος 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Τρι 6/96:31 pm
STL
- BWI
1 stop12h 04m
Frontier
Τρι 6/167:16 pm
BWI
- STL
1 stop14h 36m
Frontier
Deal found 4/30![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Παρ 6/195:06 pm
STL
- BWI
1 stop13h 39m
Frontier
Παρ 6/269:32 pm
BWI
- STL
1 stop12h 20m
Frontier
Deal found 5/5![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 6/15:27 pm
STL
- BWI
1 stop13h 16m
Frontier
Δευ 6/89:23 pm
BWI
- STL
1 stop21h 07m
Frontier
Deal found 5/4![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 5/305:27 pm
STL
- BWI
1 stop13h 16m
Frontier
Τρι 6/28:52 am
BWI
- STL
1 stop9h 41m
Frontier
Deal found 5/3![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 5/286:33 pm
STL
- BWI
1 stop12h 10m
Frontier
Δευ 6/19:23 pm
BWI
- STL
1 stop21h 10m
Frontier
Deal found 5/3![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 5/266:33 pm
STL
- BWI
1 stop12h 10m
Frontier
Τετ 5/279:13 pm
BWI
- STL
1 stop21h 20m
Frontier
Deal found 5/4![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Παρ 6/55:27 pm
STL
- BWI
1 stop13h 16m
Frontier
Κυρ 6/76:45 am
BWI
- STL
1 stop27h 10m
Frontier
Deal found 5/1![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Πεμ 7/26:31 pm
STL
- BWI
1 stop12h 04m
Frontier
Τρι 7/79:32 pm
BWI
- STL
1 stop12h 25m
Frontier
Deal found 5/5![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Κυρ 6/146:31 pm
STL
- BWI
1 stop12h 04m
Frontier
Παρ 6/199:32 pm
BWI
- STL
1 stop12h 20m
Frontier
Deal found 5/3![Frontier logo]()
$138
This Priceline deal was found by Cheapflights users on 5/2. 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.
Σαβ 5/236:30 pm
STL
- PHL
1 stop10h 51m
Frontier
Τρι 5/266:10 pm
PHL
- STL
1 stop6h 47m
Frontier
Deal found 5/2![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τετ 6/105:06 pm
STL
- BWI
1 stop13h 29m
Frontier
Παρ 6/129:32 pm
BWI
- STL
1 stop12h 20m
Frontier
Deal found 5/2![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Παρ 6/265:06 pm
STL
- BWI
1 stop13h 39m
Frontier
Κυρ 6/288:31 am
BWI
- STL
1 stop9h 59m
Frontier
Deal found 5/5![Frontier logo]()
$150
Best flights from St. Louis to MarylandDiscover carefully curated flight deals from St. Louis to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated Μάιος 5, 2026.
Discover carefully curated flight deals from St. Louis to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated Μάιος 5, 2026.
This Southwest deal was found by Cheapflights users on 5/1. 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.
Σαβ 6/66:15 pm
STL
- DCA
Nonstop2h 00m
Southwest
Τετ 6/108:00 am
DCA
- STL
Nonstop2h 10m
Southwest
Deal found 5/1![Southwest logo]()
$251
This Delta deal was found by Cheapflights users on 5/3. 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.
Σαβ 5/306:04 pm
STL
- IAD
1 stop3h 52m
Delta
Τρι 6/25:31 pm
IAD
- STL
1 stop7h 28m
Delta
Deal found 5/3![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Κυρ 5/241:13 pm
STL
- DCA
1 stop4h 57m
United Airlines
Τρι 5/2611:57 am
DCA
- STL
1 stop4h 49m
United Airlines
Deal found 5/3![United Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 5/303:25 pm
STL
- DCA
Nonstop2h 00m
Southwest
Τρι 6/22:40 pm
DCA
- STL
Nonstop2h 20m
Southwest
Deal found 5/4![Southwest logo]()
$251
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 5/193:24 pm
STL
- SBY
1 stop4h 41m
American Airlines
Σαβ 5/236:40 am
SBY
- STL
1 stop5h 08m
American Airlines
Deal found 5/4![American Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 7/304:09 pm
STL
- SBY
1 stop26h 22m
Multiple Airlines
Δευ 8/38:11 pm
SBY
- STL
2 stops19h 38m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$535
This Southwest deal was found by Cheapflights users on 4/30. 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.
Πεμ 5/287:40 pm
STL
- DCA
Nonstop2h 00m
Southwest
Πεμ 6/48:00 am
DCA
- STL
Nonstop2h 10m
Southwest
Deal found 4/30![Southwest logo]()
$265
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Κυρ 5/247:05 pm
STL
- IAD
1 stop4h 46m
Delta
Πεμ 5/285:21 pm
IAD
- STL
1 stop4h 48m
Delta
Deal found 5/4![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τετ 6/36:00 am
STL
- IAD
1 stop4h 52m
United Airlines
Κυρ 6/79:00 am
IAD
- STL
Nonstop2h 27m
United Airlines
Deal found 5/1![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 5/3. 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.
Πεμ 5/288:35 am
STL
- DCA
Nonstop2h 00m
Southwest
Δευ 6/13:35 pm
DCA
- STL
1 stop4h 05m
Southwest
Deal found 5/3![Southwest logo]()
$271
This Southwest deal was found by Cheapflights users on 4/30. 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.
Τετ 5/276:50 pm
STL
- PHL
Nonstop2h 10m
Southwest
Σαβ 5/306:15 am
PHL
- STL
Nonstop2h 25m
Southwest
Deal found 4/30![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 5/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 6/186:05 am
STL
- DCA
1 stop5h 41m
Delta
Δευ 6/227:30 pm
DCA
- STL
1 stop5h 26m
Delta
Deal found 5/5![Delta logo]()
$335
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 5/231:13 pm
STL
- IAD
1 stop4h 49m
United Airlines
Δευ 5/259:00 am
IAD
- STL
Nonstop2h 27m
United Airlines
Deal found 5/1![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 6/308:30 am
STL
- DCA
Nonstop1h 55m
Southwest
Τρι 7/146:40 pm
DCA
- STL
Nonstop2h 20m
Southwest
Deal found 5/2![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 5/2. 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.
Πεμ 6/186:00 am
STL
- IAD
1 stop4h 39m
Delta
Δευ 6/227:39 pm
IAD
- STL
1 stop5h 17m
Delta
Deal found 5/2![Delta logo]()
$335
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 5/236:55 pm
STL
- PHL
Nonstop2h 10m
Southwest
Δευ 5/257:10 pm
PHL
- STL
Nonstop2h 40m
Southwest
Deal found 5/2![Southwest logo]()
$291
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Παρ 7/108:43 am
STL
- IAD
Nonstop2h 12m
United Airlines
Δευ 7/136:10 am
IAD
- STL
1 stop7h 01m
United Airlines
Deal found 5/5![United Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Παρ 5/298:43 am
STL
- IAD
Nonstop2h 12m
United Airlines
Κυρ 5/316:10 am
IAD
- STL
1 stop7h 01m
United Airlines
Deal found 4/30![United Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 6/208:15 am
STL
- DCA
Nonstop1h 55m
Southwest
Δευ 6/226:40 pm
DCA
- STL
Nonstop2h 20m
Southwest
Deal found 5/4![Southwest logo]()
$315
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Σαβ 8/15:48 pm
STL
- SBY
1 stop4h 10m
American Airlines
Κυρ 8/96:41 am
SBY
- STL
1 stop5h 01m
American Airlines
Deal found 5/3![American Airlines logo]()
$599
This Southwest deal was found by Cheapflights users on 5/1. 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.
Τετ 7/221:10 pm
STL
- DCA
Nonstop2h 00m
Southwest
Σαβ 8/16:35 pm
DCA
- STL
Nonstop2h 20m
Southwest
Deal found 5/1![Southwest logo]()
$315
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 5/158:45 am
STL
- IAD
Nonstop2h 10m
United Airlines
Δευ 7/136:10 am
IAD
- STL
1 stop7h 01m
United Airlines
Deal found 5/1![United Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 5/258:43 am
STL
- IAD
Nonstop2h 12m
United Airlines
Τετ 5/279:00 am
IAD
- STL
Nonstop2h 27m
United Airlines
Deal found 5/4![United Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 6/27:35 am
STL
- BWI
2 stops6h 10m
Southwest
Τρι 6/95:20 pm
BWI
- STL
2 stops6h 05m
Southwest
Deal found 5/2![Southwest logo]()
$325
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Παρ 7/315:48 pm
STL
- SBY
1 stop4h 10m
American Airlines
Κυρ 8/96:41 am
SBY
- STL
1 stop5h 01m
American Airlines
Deal found 5/3![American Airlines logo]()
$656
This Southwest deal was found by Cheapflights users on 5/1. 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.
Παρ 6/58:40 pm
STL
- PHL
Nonstop2h 10m
Southwest
Τρι 6/95:05 pm
PHL
- STL
Nonstop2h 35m
Southwest
Deal found 5/1![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 6/198:43 am
STL
- IAD
Nonstop2h 12m
United Airlines
Παρ 6/266:10 am
IAD
- STL
1 stop7h 01m
United Airlines
Deal found 5/4![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 7/45:40 am
STL
- DCA
2 stops9h 35m
Southwest
Σαβ 7/114:10 pm
DCA
- STL
Nonstop2h 20m
Southwest
Deal found 5/2![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Πεμ 7/28:43 am
STL
- IAD
Nonstop2h 12m
United Airlines
Τρι 7/75:55 pm
IAD
- STL
Nonstop2h 31m
United Airlines
Deal found 5/5![United Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 5/1. 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.
Σαβ 6/610:15 am
STL
- BWI
1 stop4h 10m
Southwest
Τετ 6/1010:15 am
BWI
- STL
Nonstop2h 15m
Southwest
Deal found 5/1![Southwest logo]()
$336
Last-minute flights from St. Louis to MarylandDiscover last-minute flight deals from St. Louis to Maryland. Data last updated Μάιος 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Maryland. Data last updated Μάιος 5, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 5/2. 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.
Σαβ 5/236:30 pm
STL
- PHL
1 stop10h 51m
Frontier
Τρι 5/266:10 pm
PHL
- STL
1 stop6h 47m
Frontier
Deal found 5/2![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 5/266:33 pm
STL
- BWI
1 stop12h 10m
Frontier
Τετ 5/279:13 pm
BWI
- STL
1 stop21h 20m
Frontier
Deal found 5/4![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 5/286:33 pm
STL
- BWI
1 stop12h 10m
Frontier
Δευ 6/19:23 pm
BWI
- STL
1 stop21h 10m
Frontier
Deal found 5/3![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 5/305:27 pm
STL
- BWI
1 stop13h 16m
Frontier
Τρι 6/28:52 am
BWI
- STL
1 stop9h 41m
Frontier
Deal found 5/3![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 6/15:27 pm
STL
- BWI
1 stop13h 16m
Frontier
Δευ 6/89:23 pm
BWI
- STL
1 stop21h 07m
Frontier
Deal found 5/4![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Παρ 6/55:27 pm
STL
- BWI
1 stop13h 16m
Frontier
Κυρ 6/76:45 am
BWI
- STL
1 stop27h 10m
Frontier
Deal found 5/1![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Τρι 6/96:31 pm
STL
- BWI
1 stop12h 04m
Frontier
Τρι 6/167:16 pm
BWI
- STL
1 stop14h 36m
Frontier
Deal found 4/30![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Τρι 6/96:31 pm
STL
- BWI
2 stops16h 42m
Multiple Airlines
Τρι 6/161:29 pm
BWI
- STL
1 stop20h 23m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τετ 6/105:06 pm
STL
- BWI
1 stop13h 29m
Frontier
Παρ 6/129:32 pm
BWI
- STL
1 stop12h 20m
Frontier
Deal found 5/2![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Κυρ 6/146:31 pm
STL
- BWI
1 stop12h 04m
Frontier
Παρ 6/199:32 pm
BWI
- STL
1 stop12h 20m
Frontier
Deal found 5/3![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Παρ 6/195:06 pm
STL
- BWI
1 stop13h 39m
Frontier
Παρ 6/269:32 pm
BWI
- STL
1 stop12h 20m
Frontier
Deal found 5/5![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Παρ 6/265:06 pm
STL
- BWI
1 stop13h 39m
Frontier
Κυρ 6/288:31 am
BWI
- STL
1 stop9h 59m
Frontier
Deal found 5/5![Frontier logo]()
$150
One-way flights from St. Louis to MarylandSearch for one-way flight options from St. Louis to Maryland. Find affordable one-way fares based on user searches. Data last updated Μάιος 5, 2026.
Search for one-way flight options from St. Louis to Maryland. Find affordable one-way fares based on user searches. Data last updated Μάιος 5, 2026.
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τετ 5/275:27 pm
STL
- BWI
1 stop23h 25m
Frontier
Deal found 5/1![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Δευ 6/85:27 pm
STL
- BWI
1 stop13h 08m
Frontier
Deal found 5/5![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 6/46:33 pm
STL
- IAD
1 stop14h 39m
Frontier
Deal found 5/4![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Κυρ 6/216:31 pm
STL
- BWI
1 stop23h 01m
Frontier
Deal found 5/4![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τετ 5/275:27 pm
STL
- IAD
1 stop21h 54m
Frontier
Deal found 5/4![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Δευ 6/15:27 pm
STL
- BWI
1 stop13h 16m
Frontier
Deal found 5/5![Frontier logo]()
$66
This WAYA deal was found by Cheapflights users on 5/5. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 6/85:27 pm
STL
- IAD
1 stop4h 42m
Frontier
Deal found 5/5![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Τρι 5/266:33 pm
STL
- BWI
1 stop12h 10m
Frontier
Deal found 5/5![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 5/2. 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.
Σαβ 5/235:27 pm
STL
- IAD
1 stop4h 42m
Frontier
Deal found 5/2![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 5/286:33 pm
STL
- BWI
1 stop27h 24m
Frontier
Deal found 5/4![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 5/305:27 pm
STL
- IAD
1 stop15h 45m
Frontier
Deal found 5/4![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Σαβ 5/305:27 pm
STL
- BWI
1 stop13h 16m
Frontier
Deal found 5/5![Frontier logo]()
$72
Find flight deals from St. Louis to Maryland
Keep the following information in mind while searching for St. Louis to Maryland flight deals. Data was last updated Μάιος 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $124 (Kiwi.com) |
One-way from | $59 (Trip.com) |
Popular in | February |
Cheapest in | August |
Average price | $300 |
Good round-trip deal | $341 or less |
Good one-way deal | $178 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Maryland 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 Μάιος 5, 2026.
Use the filters below to find and compare flights from St. Louis to Maryland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisWashington, D.C.
STL - DCA
STLDCA
Lambert-St Louis
Σαβ 6/6
6:15 pm-9:15 pm
Nonstop2h 00m
Washington, D.C. Reagan-National
Τετ 6/10
8:00 am-9:10 am
Nonstop2h 10m
$251
St. LouisWashington, D.C.
STL - DCA
STLDCA
Lambert-St Louis
Σαβ 5/30
3:25 pm-6:25 pm
Nonstop2h 00m
Washington, D.C. Reagan-National
Τρι 6/2
2:40 pm-4:00 pm
Nonstop2h 20m
$251
St. LouisWashington, D.C.
STL - DCA
STLDCA
Lambert-St Louis
Πεμ 5/28
7:40 pm-10:40 pm
Nonstop2h 00m
Washington, D.C. Reagan-National
Πεμ 6/4
8:00 am-9:10 am
Nonstop2h 10m
$265
St. LouisWashington, D.C.
STL - IAD
STLIAD
Lambert-St Louis
Σαβ 5/30
6:04 pm-10:56 pm
1 stop3h 52m
Washington, D.C. Dulles Intl
Τρι 6/2
5:31 pm-11:59 pm
1 stop7h 28m
$271
St. LouisWashington, D.C.
STL - DCA
STLDCA
Lambert-St Louis
Πεμ 5/28
8:35 am-11:35 am
Nonstop2h 00m
Washington, D.C. Reagan-National
Δευ 6/1
3:35 pm-6:40 pm
1 stop4h 05m
$271
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Τετ 5/27
6:50 pm-10:00 pm
Nonstop2h 10m
Philadelphia
Σαβ 5/30
6:15 am-7:40 am
Nonstop2h 25m
$274
St. LouisWashington, D.C.
STL - DCA
STLDCA
Lambert-St Louis
Τρι 6/30
8:30 am-11:25 am
Nonstop1h 55m
Washington, D.C. Reagan-National
Τρι 7/14
6:40 pm-8:00 pm
Nonstop2h 20m
$276
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Σαβ 5/23
6:55 pm-10:05 pm
Nonstop2h 10m
Philadelphia
Δευ 5/25
7:10 pm-8:50 pm
Nonstop2h 40m
$291
St. LouisWashington, D.C.
STL - DCA
STLDCA
Lambert-St Louis
Κυρ 5/24
1:13 pm-7:10 pm
1 stop4h 57m
Washington, D.C. Reagan-National
Τρι 5/26
11:57 am-3:46 pm
1 stop4h 49m
$296
St. LouisWashington, D.C.
STL - IAD
STLIAD
Lambert-St Louis
Κυρ 5/24
7:05 pm-12:51 am
1 stop4h 46m
Washington, D.C. Dulles Intl
Πεμ 5/28
5:21 pm-9:09 pm
1 stop4h 48m
$310
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Maryland
Have a flexible travel schedule? Discover the best time to fly to Maryland from St. Louis with our price prediction graph.
STL-BWI
STL-PHL
STL-DCA
STL-SBY
STL-IAD
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 Maryland
STL-USMD
STL-BWI
STL-PHL
STL-DCA
STL-SBY
How far ahead should I book a flight from St. Louis to Maryland?
The price you pay for your flight from St. Louis to Maryland may vary depending on when you book. For the best chance of a lower fare, look to book 81 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 Maryland?
Currently, July is the cheapest month in which you can book a flight from St. Louis to Maryland (average of $107). Flying from St. Louis to Maryland in January is currently the most expensive (average of $351). 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 MD?
Find hourly flight availability from St. Louis to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Μάιος 5, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 7% on flights from St. Louis to Maryland by exploring options for tickets at noon.
What is the cheapest day to fly from St. Louis to Maryland?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Maryland. Price data was last updated on May 2, 2026.
Travelers seeking maximum savings on their St. Louis to Maryland 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.
How much does it cost to fly round-trip from St. Louis to Maryland?
Reviews of airlines servicing Maryland
Get insights into the airlines that provide service to Maryland. 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 Maryland. Reviews last updated Μάιος 5, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines from St. Louis to Maryland by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Maryland. 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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Complete your trip
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St. Louis and Maryland flights
Browse other St. Louis and Maryland flight options. Last updated on Μάιος 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Maryland flights
Consider these flights traveling from St. Louis to Maryland.
Top 4 airlines flying from St. Louis to Maryland
Discover the top 4 airlines that operate flights from St. Louis to Maryland. 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 Μάιος 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$297 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$398 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$273 | Average$412 | FlexibilityNo cancel fee | On-time71% |