$90+ Cheap flights from Hartford to St. Louis (BDL - STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Apr 16 — Apr 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Hartford to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Hartford to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Hartford to St. LouisExplore the most affordable flight options available from Hartford to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Hartford to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:08 pm
BDL
- STL
1 stop11h 54m
Frontier
Tue 4/74:59 pm
STL
- BDL
1 stop17h 02m
Frontier
Deal found 3/17![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 3/16. 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.
Sat 3/288:08 pm
BDL
- STL
1 stop11h 49m
Frontier
Tue 3/314:51 pm
STL
- BDL
1 stop23h 48m
Frontier
Deal found 3/16![Frontier logo]()
$251
This Mytrip deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/228:08 pm
BDL
- STL
1 stop28h 11m
Frontier
Tue 3/314:51 pm
STL
- BDL
1 stop23h 48m
Frontier
Deal found 3/14![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 5/15:18 pm
BDL
- STL
1 stop14h 32m
Multiple Airlines
Mon 5/48:23 pm
STL
- BDL
2 stops20h 48m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$260
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/268:08 pm
BDL
- STL
1 stop28h 16m
Frontier
Sat 4/48:41 am
STL
- BDL
1 stop11h 20m
Frontier
Deal found 3/12![Frontier logo]()
$300
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:56 am
BDL
- STL
1 stop12h 29m
Frontier
Fri 4/104:59 pm
STL
- BDL
1 stop14h 53m
Frontier
Deal found 3/15![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/197:00 am
BDL
- STL
2 stops24h 50m
Multiple Airlines
Wed 4/228:23 pm
STL
- BDL
1 stop17h 26m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 5/32:58 pm
BDL
- STL
1 stop16h 52m
Frontier
Fri 5/84:19 pm
STL
- BDL
2 stops35h 51m
Frontier
Deal found 3/13![Frontier logo]()
$316
This Expedia deal was found by Cheapflights users on 3/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:53 pm
BDL
- STL
1 stop10h 58m
Frontier
Mon 4/68:41 am
STL
- BDL
1 stop11h 27m
Frontier
Deal found 3/14![Frontier logo]()
$320
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/49:42 am
BDL
- STL
1 stop14h 43m
Frontier
Mon 4/64:59 pm
STL
- BDL
1 stop23h 40m
Frontier
Deal found 3/15![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/193:50 pm
BDL
- STL
1 stop16h 00m
Frontier
Wed 4/228:23 pm
STL
- BDL
1 stop17h 26m
Frontier
Deal found 3/13![Frontier logo]()
$332
Best flights from Hartford to St. LouisDiscover carefully curated flight deals from Hartford to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Hartford to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This United Airlines deal was found by Cheapflights users on 3/12. 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 5/55:05 pm
BDL
- STL
1 stop6h 51m
United Airlines
Thu 5/77:45 am
STL
- BDL
1 stop5h 33m
United Airlines
Deal found 3/12![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 3/15. 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 4/87:05 am
BDL
- STL
1 stop6h 35m
Southwest
Tue 4/146:35 am
STL
- BDL
1 stop4h 35m
Southwest
Deal found 3/15![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 3/12. 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 5/142:05 pm
BDL
- STL
1 stop10h 20m
Southwest
Sat 5/162:05 pm
STL
- BDL
2 stops7h 50m
Southwest
Deal found 3/12![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 3/15. 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 5/157:20 pm
BDL
- STL
1 stop4h 25m
Southwest
Tue 5/191:15 pm
STL
- BDL
1 stop4h 45m
Southwest
Deal found 3/15![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 3/12. 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 4/275:50 am
BDL
- STL
1 stop6h 00m
Southwest
Fri 5/15:40 am
STL
- BDL
1 stop4h 00m
Southwest
Deal found 3/12![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 3/12. 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 5/156:15 am
BDL
- STL
1 stop8h 30m
Southwest
Sat 5/162:05 pm
STL
- BDL
2 stops7h 50m
Southwest
Deal found 3/12![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 3/15. 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 7/217:55 am
BDL
- STL
1 stop4h 20m
Southwest
Fri 7/245:50 am
STL
- BDL
1 stop7h 20m
Southwest
Deal found 3/15![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 3/16. 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 6/1512:40 pm
BDL
- STL
1 stop7h 30m
Southwest
Thu 6/185:00 am
STL
- BDL
1 stop6h 00m
Southwest
Deal found 3/16![Southwest logo]()
$407
Last-minute flights from Hartford to St. LouisDiscover last-minute flight deals from Hartford to St. Louis. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Hartford to St. Louis. Data last updated March 17, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/228:08 pm
BDL
- STL
1 stop28h 11m
Frontier
Tue 3/314:51 pm
STL
- BDL
1 stop23h 48m
Frontier
Deal found 3/14![Frontier logo]()
$259
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/268:08 pm
BDL
- STL
1 stop28h 16m
Frontier
Sat 4/48:41 am
STL
- BDL
1 stop11h 20m
Frontier
Deal found 3/12![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 3/16. 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.
Sat 3/288:08 pm
BDL
- STL
1 stop11h 49m
Frontier
Tue 3/314:51 pm
STL
- BDL
1 stop23h 48m
Frontier
Deal found 3/16![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:08 pm
BDL
- STL
1 stop11h 54m
Frontier
Tue 4/74:59 pm
STL
- BDL
1 stop17h 02m
Frontier
Deal found 3/17![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 3/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:53 pm
BDL
- STL
1 stop10h 58m
Frontier
Mon 4/68:41 am
STL
- BDL
1 stop11h 27m
Frontier
Deal found 3/14![Frontier logo]()
$320
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/49:42 am
BDL
- STL
1 stop14h 43m
Frontier
Mon 4/64:59 pm
STL
- BDL
1 stop23h 40m
Frontier
Deal found 3/15![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/69:53 pm
BDL
- STL
1 stop26h 32m
Multiple Airlines
Mon 4/138:19 pm
STL
- BDL
2 stops44h 04m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/612:49 pm
BDL
- STL
1 stop22h 41m
Multiple Airlines
Tue 4/74:59 pm
STL
- BDL
1 stop21h 06m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$342
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:56 am
BDL
- STL
1 stop12h 29m
Frontier
Fri 4/104:59 pm
STL
- BDL
1 stop14h 53m
Frontier
Deal found 3/15![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/157:20 am
BDL
- STL
2 stops28h 10m
Multiple Airlines
Wed 4/228:23 pm
STL
- BDL
1 stop17h 26m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/197:00 am
BDL
- STL
2 stops24h 50m
Multiple Airlines
Wed 4/228:23 pm
STL
- BDL
1 stop17h 26m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/193:50 pm
BDL
- STL
1 stop16h 00m
Frontier
Wed 4/228:23 pm
STL
- BDL
1 stop17h 26m
Frontier
Deal found 3/13![Frontier logo]()
$332
One-way flights from Hartford to St. LouisSearch for one-way flight options from Hartford to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Hartford to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Frontier deal was found by Cheapflights users on 3/14. 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 5/85:44 pm
BDL
- STL
1 stop7h 37m
Frontier
Deal found 3/14![Frontier logo]()
$90
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:53 pm
BDL
- STL
1 stop26h 26m
Frontier
Deal found 3/15![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/263:50 pm
BDL
- STL
1 stop16h 00m
Frontier
Deal found 3/14![Frontier logo]()
$110
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/59:21 pm
BDL
- STL
1 stop27h 04m
Frontier
Deal found 3/12![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/301:39 pm
BDL
- STL
2 stops18h 11m
Frontier
Deal found 3/15![Frontier logo]()
$153
This Priceline deal was found by Cheapflights users on 3/14. 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.
Sun 3/228:08 pm
BDL
- STL
1 stop11h 54m
Frontier
Deal found 3/14![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/297:20 am
BDL
- STL
2 stops28h 06m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 5/147:15 am
BDL
- STL
2 stops10h 39m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$168
This Priceline deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:53 pm
BDL
- STL
1 stop10h 58m
Frontier
Deal found 3/13![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 6/85:44 pm
BDL
- STL
1 stop31h 13m
Frontier
Deal found 3/13![Frontier logo]()
$173
Find flight deals from Hartford to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Hartford (BDL) to St. Louis (STL). 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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (Frontier) |
One-way from | $90 (Frontier) |
Popular in | March |
Cheapest in | August |
Average price | $466 |
Cheapflights Fare Finder
Customize your flight search to find flights from Hartford to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Hartford to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Tue 5/5
5:05 pm-10:56 pm
1 stop6h 51m
Lambert-St Louis
Thu 5/7
7:45 am-2:18 pm
1 stop5h 33m
$340
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Wed 4/8
7:05 am-12:40 pm
1 stop6h 35m
Lambert-St Louis
Tue 4/14
6:35 am-12:10 pm
1 stop4h 35m
$351
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Thu 5/14
2:05 pm-11:25 pm
1 stop10h 20m
Lambert-St Louis
Sat 5/16
2:05 pm-10:55 pm
2 stops7h 50m
$377
Quickest round-trip
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Fri 5/15
7:20 pm-10:45 pm
1 stop4h 25m
Lambert-St Louis
Tue 5/19
1:15 pm-7:00 pm
1 stop4h 45m
$379
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Mon 4/27
5:50 am-10:50 am
1 stop6h 00m
Lambert-St Louis
Fri 5/1
5:40 am-10:40 am
1 stop4h 00m
$379
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Fri 5/15
6:15 am-1:45 pm
1 stop8h 30m
Lambert-St Louis
Sat 5/16
2:05 pm-10:55 pm
2 stops7h 50m
$399
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Tue 7/21
7:55 am-11:15 am
1 stop4h 20m
Lambert-St Louis
Fri 7/24
5:50 am-2:10 pm
1 stop7h 20m
$407
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Mon 6/15
12:40 pm-7:10 pm
1 stop7h 30m
Lambert-St Louis
Thu 6/18
5:00 am-12:00 pm
1 stop6h 00m
$407
Cheapest one-way
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Wed 4/29
7:20 am-10:26 am
2 stops28h 06m
$166
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Wed 4/29
2:21 pm-9:19 pm
1 stop7h 58m
$176
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Hartford to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hartford to St. Louis in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Hartford-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hartford-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hartford-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Hartford-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hartford-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Hartford to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Hartford with our price prediction graph.
BDL-STL
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 Hartford to St. Louis
How far ahead should I book a flight from Hartford to St. Louis?
Use this chart to determine the optimal time to book a round-trip flight from Hartford to St. Louis. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from Hartford to St. Louis, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Hartford to St. Louis?
Currently, May is the cheapest month in which you can book a flight from Hartford to St. Louis (average of $256). Flying from Hartford to St. Louis in February is currently the most expensive (average of $334). 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.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated March 17, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Hartford to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Hartford to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
St. Louis flight routes
Alternative routes for Hartford to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Hartford to St. Louis by cabin class
Find flights from Hartford to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hartford and St. Louis flights
Browse other Hartford and St. Louis flight options. Last updated on March 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 17, 2026.
Top 5 airlines flying from Hartford to St. Louis
Discover the top 5 airlines that operate flights from Hartford to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$242 | Average$506 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$246 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$401 | FlexibilityNo cancel fee | On-time63% |