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$82+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 49 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 September 16, 2025.

Round-trip from

$176
(Booking.com)

One-way from

$82
(Priceline)

Popular in

May

Cheapest in

August

Average price

$361
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 ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:30 amBDL - STL
1 stop5h 34mFrontier
Sun 9/281:52 pmSTL - BDL
1 stop29h 05mFrontier
Deal found 9/16$176
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:36 pmBDL - STL
1 stop27h 02mFrontier
Sun 11/22:12 pmSTL - BDL
1 stop21h 29mFrontier
Deal found 9/16$192
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:30 amBDL - STL
1 stop5h 34mFrontier
Wed 10/17:55 pmSTL - BDL
2 stops12h 40mFrontier
Deal found 9/16$203
This Flightnetwork deal was found by Cheapflights users on 9/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:30 amBDL - STL
1 stop5h 34mFrontier
Sun 10/51:57 pmSTL - BDL
1 stop29h 00mFrontier
Deal found 9/16$221
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:04 amBDL - STL
1 stop25h 33mFrontier
Sun 10/121:41 pmSTL - BDL
1 stop17h 24mFrontier
Deal found 9/16$244
This Frontier deal was found by Cheapflights users on 9/14. 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.
Sun 9/288:37 pmBDL - STL
2 stops19h 27mFrontier
Wed 10/17:55 pmSTL - BDL
2 stops12h 40mFrontier
Deal found 9/14$266
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 10/317:10 pmBDL - STL
1 stop24h 00mMultiple Airlines
Mon 11/310:25 amSTL - BDL
2 stops11h 13mMultiple Airlines
Deal found 9/16$272
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 12/64:15 pmBDL - STL
1 stop19h 46mMultiple Airlines
Sat 12/132:48 pmSTL - BDL
2 stops31h 50mMultiple Airlines
Deal found 9/16$274
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 11/15:07 pmBDL - STL
1 stop18h 55mMultiple Airlines
Tue 11/47:45 pmSTL - BDL
2 stops18h 04mMultiple Airlines
Deal found 9/14$283
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 12/64:15 pmBDL - STL
1 stop19h 46mMultiple Airlines
Fri 12/129:45 amSTL - BDL
1 stop8h 55mMultiple Airlines
Deal found 9/16$287

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 September 16, 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 10/31

1:36 pm-3:38 pm

1 stop27h 02m

Lambert-St Louis

Sun 11/2

2:12 pm-12:41 pm

1 stop21h 29m

$192

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Mon 10/6

8:05 am-9:07 am

2 stops26h 02m

Lambert-St Louis

Thu 10/9

10:57 am-6:15 pm

1 stop30h 18m

$304

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 11/1

6:10 am-10:51 am

1 stop5h 41m

Lambert-St Louis

Tue 11/4

11:05 am-5:28 pm

1 stop5h 23m

$305

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 12/3

5:40 pm-10:20 pm

1 stop5h 40m

Lambert-St Louis

Sat 12/6

1:55 pm-10:45 pm

1 stop7h 50m

$305

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Tue 12/2

5:40 pm-10:20 pm

1 stop5h 40m

Lambert-St Louis

Sat 12/6

1:55 pm-10:45 pm

1 stop7h 50m

$305

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 11/1

6:25 am-2:55 pm

1 stop9h 30m

Lambert-St Louis

Tue 11/4

6:05 am-12:00 pm

1 stop4h 55m

$305

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Fri 10/31

11:27 am-4:31 pm

1 stop6h 04m

Lambert-St Louis

Mon 11/3

5:56 pm-11:58 pm

1 stop5h 02m

$315

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 12/6

4:15 pm-11:01 am

1 stop19h 46m

Lambert-St Louis

Mon 12/8

9:45 am-10:38 pm

2 stops11h 53m

$318

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 12/6

9:45 am-5:00 pm

2 stops8h 15m

Lambert-St Louis

Mon 12/8

8:15 am-4:15 pm

2 stops7h 00m

$323

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 12/6

9:45 am-4:55 pm

2 stops8h 10m

Lambert-St Louis

Fri 12/12

5:45 pm-8:55 am

2 stops14h 10m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 19 results
1
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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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Hartford to St. Louis, you should look to book at least 49 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 September 16, 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.

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 September 16, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 40m. Fly via Frontier, United Airlines, or Southwest 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 $109. Other airlines that can offer you cheap pricing are Delta, from $246, and American Airlines, from $263. Frontier is 71% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 St. Louis?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hartford to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$188FlexibilityNo cancel feeOn-time62%
DeltaCheapest$246Average$393FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$263Average$368FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$290Average$411FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$339Average$621FlexibilityNo cancel feeOn-time69%

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