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Flights from Hartford to St. Louis from $171 - Compare and Save

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Jun 14 — Jun 211
Sat 6/14
Sat 6/21
1 adult, Economy
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Cheapflights Tip: The best prices from Hartford Bradley Intl to Lambert-St Louis are usually found in August or September, booked 70 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap 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 9, 2025.

Round-trip from

$171
(FlightHub)

One-way from

$99
(Booking.com)

Popular in

November

Cheapest in

August

Average price

$376
From Hartford Bradley Intl to Lambert-St Louis
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One-way flight from Hartford Bradley Intl to Lambert-St Louis
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Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 9, 2025.

This FlightHub deal was found by Cheapflights users on 6/8. 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.
Fri 8/86:20 amBDL - STL
1 stop4h 32mMultiple Airlines
Sun 8/175:40 pmSTL - BDL
1 stop25h 13mMultiple Airlines
Deal found 6/8$171
This FlightHub deal was found by Cheapflights users on 6/7. 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.
Fri 8/86:20 amBDL - STL
1 stop4h 32mSpirit Airlines
Sun 8/178:44 amSTL - BDL
1 stop22h 26mSpirit Airlines
Deal found 6/7$192
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1012:08 pmBDL - STL
1 stop10h 48mAmerican Airlines
Tue 9/169:55 amSTL - BDL
1 stop11h 01mAmerican Airlines
Deal found 6/7$243
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:35 amBDL - STL
1 stop4h 58mDelta
Sat 8/2310:15 amSTL - BDL
1 stop6h 44mDelta
Deal found 6/8$265
This Booking.com deal was found by Cheapflights users on 6/8. 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.
Mon 6/98:30 pmBDL - STL
1 stop28h 07mFrontier
Thu 6/125:47 pmSTL - BDL
1 stop25h 01mFrontier
Deal found 6/8$276
This United Airlines deal was found by Cheapflights users on 6/7. 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 9/106:00 amBDL - STL
2 stops9h 19mUnited Airlines
Tue 9/163:20 pmSTL - BDL
1 stop5h 20mUnited Airlines
Deal found 6/7$322
This Southwest deal was found by Cheapflights users on 6/8. 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 8/74:20 pmBDL - STL
2 stops7h 15mSouthwest
Sat 8/237:20 amSTL - BDL
2 stops6h 20mSouthwest
Deal found 6/8$363

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 9, 2025.
Use the filters below to find and compare flights from Hartford to St. Louis that are best for you.

Fly from

Hartford

Fly to

St. Louis

Route

Depart

Return

Price

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Fri 8/8

6:20 am-9:52 am

1 stop4h 32m

Lambert-St Louis

Sun 8/17

5:40 pm-7:53 pm

1 stop25h 13m

$171

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Fri 8/8

6:20 am-9:52 am

1 stop4h 32m

Lambert-St Louis

Sun 8/17

8:44 am-8:10 am

1 stop22h 26m

$192

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 8/7

5:35 am-9:33 am

1 stop4h 58m

Lambert-St Louis

Sat 8/23

10:15 am-5:59 pm

1 stop6h 44m

$265

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 8/9

12:27 pm-1:34 pm

1 stop26h 07m

Lambert-St Louis

Sun 8/17

5:40 pm-7:53 pm

1 stop25h 13m

$279

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Fri 9/5

6:00 am-2:19 pm

2 stops9h 19m

Lambert-St Louis

Sun 9/7

6:35 am-12:20 pm

1 stop4h 45m

$330

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 8/7

4:20 pm-10:35 pm

2 stops7h 15m

Lambert-St Louis

Sat 8/23

7:20 am-2:40 pm

2 stops6h 20m

$363

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Fri 8/1

6:20 am-9:52 am

1 stop4h 32m

$99

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 7/23

11:29 am-4:42 pm

1 stop6h 13m

$119

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 7/9

5:13 am-9:10 am

1 stop4h 57m

$149

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 8/16

6:00 am-11:30 am

2 stops6h 30m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 13 results
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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?

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 May 23, 2025.

To ensure you get the cheapest price possible for a flight from Hartford to St. Louis, you should look to book at least 70 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 $311). Flying from Hartford to St. Louis in March is currently the most expensive (average of $356). 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 BDL to STL?

Find hourly flight availability from Hartford to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2025.

One of the essential ways to save on airfare from Hartford to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 15% on airfare.

What is the cheapest day to fly from Hartford to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Hartford to St. Louis. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Hartford to St. Louis flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 9, 2025.
Read through reviews of airlines operating flights from Hartford to St. Louis, such as Southwest, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,289 reviews

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,289 reviews
Southwest
8.0
Very good
4,289 reviews

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,952 reviews
Southwest
8.0
Very good
4,289 reviews

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,782 reviews
Southwest
8.0
Very good
4,289 reviews

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,289 reviews

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,042 reviews
Southwest
8.0
Very good
4,289 reviews

Overall

8.0

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • 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 $192. Other airlines that can offer you cheap pricing are Delta, from $265, and Frontier, from $279. Spirit Airlines is 49% 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?

    $99 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $119 and $149, 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 $311). Flying from Hartford to St. Louis in March is currently the most expensive (average of $356). 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 Hartford?

Book flights to Hartford if you plan to visit one of these locations
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington
O'Fallon

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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 June 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$226FlexibilityNo cancel feeOn-time62%
DeltaCheapest$269Average$393FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$381FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$294Average$420FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$339Average$605FlexibilityNo cancel feeOn-time69%

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