St. Louis

$121+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Jul 15 — Jul 221
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Cheap flight deals from Hartford to St. Louis

Cheapest flights from Hartford to St. Louis
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 June 15, 2026.

This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:27 pm
BDL
-
STL
1 stop12h 32m
Frontier
Tue 8/114:09 pm
STL
-
BDL
1 stop17h 27m
Frontier
Deal found 6/12$239
This CheapOair deal was found by Cheapflights users on 6/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:10 pm
BDL
-
STL
1 stop28h 49m
Frontier
Tue 7/284:09 pm
STL
-
BDL
1 stop18h 23m
Frontier
Deal found 6/13$254
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:27 pm
BDL
-
STL
1 stop12h 32m
Frontier
Sun 7/124:09 pm
STL
-
BDL
1 stop18h 23m
Frontier
Deal found 6/12$259
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Sat 8/1510:48 am
BDL
-
STL
1 stop7h 13m
American Airlines
Mon 8/176:00 am
STL
-
BDL
1 stop7h 14m
American Airlines
Deal found 6/11$297
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:27 pm
BDL
-
STL
1 stop12h 32m
Frontier
Tue 7/284:09 pm
STL
-
BDL
1 stop18h 23m
Frontier
Deal found 6/12$299
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/123:20 pm
BDL
-
STL
1 stop6h 00m
Southwest
Mon 9/142:45 pm
STL
-
BDL
2 stops6h 25m
Southwest
Deal found 6/11$313
This CheapOair deal was found by Cheapflights users on 6/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:27 pm
BDL
-
STL
1 stop12h 32m
Frontier
Fri 7/244:09 pm
STL
-
BDL
1 stop26h 16m
Frontier
Deal found 6/15$316
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 pm
BDL
-
STL
1 stop5h 15m
Delta
Wed 7/223:58 pm
STL
-
BDL
1 stop6h 56m
Delta
Deal found 6/13$317
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:10 pm
BDL
-
STL
1 stop28h 49m
Frontier
Tue 8/184:10 pm
STL
-
BDL
1 stop18h 28m
Frontier
Deal found 6/12$319
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:40 am
BDL
-
STL
2 stops7h 45m
Southwest
Tue 7/215:40 am
STL
-
BDL
1 stop4h 20m
Southwest
Deal found 6/14$322

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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(Frontier)

One-way from

$121
(Expedia)

Popular in

April

Cheapest in

August

Average price

$477
Provider with most accurate pricing for Hartford Bradley Intl-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Hartford Bradley Intl-Lambert-St Louis flights.
From Hartford Bradley Intl to Lambert-St Louis
One-way flight from Hartford Bradley Intl to Lambert-St Louis
Highest demand for flights based on searches. 12% potential increase in price ($56 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 15, 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

Price

Cheapest round-trip
Quickest round-trip

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 9/12

5:00 pm-8:31 pm

1 stop4h 31m

Lambert-St Louis

Mon 9/14

5:57 pm-11:13 pm

1 stop4h 16m

$297

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 9/12

5:50 am-1:25 pm

2 stops8h 35m

Lambert-St Louis

Mon 9/14

2:45 pm-10:10 pm

2 stops6h 25m

$319

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 8/15

10:00 am-2:33 pm

1 stop5h 33m

Lambert-St Louis

Mon 8/17

3:39 pm-11:58 pm

1 stop7h 19m

$359

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 7/9

8:00 am-5:37 pm

2 stops10h 37m

Lambert-St Louis

Tue 7/14

4:09 pm-12:41 am

1 stop7h 32m

$371

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Tue 7/28

5:30 am-9:31 am

1 stop5h 01m

Lambert-St Louis

Sun 8/2

6:30 am-12:13 pm

1 stop4h 43m

$377

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 10/24

5:05 pm-11:39 pm

1 stop7h 34m

Lambert-St Louis

Sun 10/25

1:30 pm-10:02 pm

1 stop7h 32m

$383

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 7/22

6:00 pm-10:15 pm

1 stop5h 15m

Lambert-St Louis

Mon 7/27

3:58 pm-11:54 pm

1 stop6h 56m

$394

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 7/16

7:10 pm-11:53 pm

1 stop5h 43m

Lambert-St Louis

Sat 7/18

6:30 am-12:15 pm

1 stop4h 45m

$394

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Tue 9/1

6:00 am-12:02 pm

1 stop7h 02m

Lambert-St Louis

Wed 9/2

8:50 am-2:29 pm

1 stop4h 39m

$397

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Mon 7/6

2:50 pm-8:50 pm

2 stops7h 00m

Lambert-St Louis

Wed 7/8

6:55 am-12:05 pm

1 stop4h 10m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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?

To ensure you get the cheapest price possible for a flight from Hartford to St. Louis, you should look to book at least 34 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, August is the cheapest month in which you can book a flight from Hartford to St. Louis (average of $304). Flying from Hartford to St. Louis in April is currently the most expensive (average of $491). 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.

How much does it cost to fly round-trip from Hartford to St. Louis?

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 June 15, 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

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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.
  • How long is the flight from Hartford to St. Louis?

    There are many flights that can get you from Hartford to St. Louis in 5h 33m. Fly via Southwest or Delta to get the fastest option. The distance between Hartford and St. Louis is about 954 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Hartford to St. Louis round-trip?

    Cheapflights users have booked flights from Hartford to St. Louis round-trip from $242. Other airlines that can offer you cheap pricing are American Airlines, from $246, and Delta, from $246. United Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Hartford to St. Louis one-way?

    $118 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $158 and $159, respectively.

  • Can I find deals for flights from Hartford to St. Louis that include hotel bookings?

    Yes. In addition to deals on Hartford to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hartford to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hartford to St. Louis.

  • Can I find deals for business class flights from Hartford to St. Louis?

    Yes. Cheapflights offers flight deals from Hartford to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hartford to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Hartford to St. Louis (average of $304). Flying from Hartford to St. Louis in April is currently the most expensive (average of $491). 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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Top 4 airlines flying from Hartford to St. Louis

Discover the top 4 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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$242Average$496FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$246Average$380FlexibilityNo cancel feeOn-time71%
DeltaCheapest$246Average$396FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$274Average$424FlexibilityNo cancel feeOn-time63%

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