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

Currently priced at $246, Southwest will fly you from St. Louis to Hartford and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $270 and $270, respectively. Users have found that Southwest is 33% cheaper than the other options available to this destination.

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

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

In terms of precipitation, rainfall in Hartford ranges from 3.1 - 4.1 inches per month. September is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Hartford when rainfall is around 3.1 in.

If weather is an important factor for your trip to Hartford, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What are the most popular airlines that fly from St. Louis to Hartford?

American Airlines, Delta and United Airlines are the most popular airlines when flying from St. Louis to Hartford.

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

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Hartford. Check prices with Cheapflights to find a great deal for your trip.

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

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

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

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

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

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

$101+ Flights from St. Louis to Hartford

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Cheapflights Tip: The best prices from Lambert-St Louis to Hartford Bradley Intl are usually found in April or May, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from St. Louis to Hartford

Round-trip from	$200 (FlightHub)
One-way from	$101 (American Airlines)
Popular in	February
Cheapest in	April
Average price	$372

From Lambert-St Louis to Hartford Bradley Intl

Search Deals

One-way flight from Lambert-St Louis to Hartford Bradley Intl

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).

Search Deals

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 August 2025

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Find flight deals from St. Louis to Hartford

Cheapest flights from St. Louis to Hartford
Explore the most affordable flight options available from St. Louis to Hartford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Tue 9/166:25 amSTL - BDL

1 stop5h 45mSouthwest

Tue 9/302:00 pmBDL - STL

1 stop7h 05mSouthwest

Deal found 8/11

$201

Thu 9/45:25 amSTL - BDL

1 stop6h 25mSouthwest

Tue 9/94:00 pmBDL - STL

1 stop6h 55mSouthwest

Deal found 8/12

$215

Sun 12/78:45 amSTL - BDL

1 stop5h 10mSouthwest

Tue 12/912:10 pmBDL - STL

1 stop4h 40mSouthwest

Deal found 8/12

$226

Sat 10/114:34 pmSTL - BDL

1 stop6h 22mAmerican Airlines

Thu 10/166:00 amBDL - STL

1 stop4h 56mAmerican Airlines

Deal found 8/12

$229

Sat 9/62:55 pmSTL - BDL

1 stop7h 25mSouthwest

Mon 9/81:55 pmBDL - STL

1 stop10h 30mSouthwest

Deal found 8/12

$234

Thu 9/1110:40 amSTL - BDL

1 stop4h 33mDelta

Sun 9/145:35 amBDL - STL

1 stop4h 58mDelta

Deal found 8/11

$244

Best flights from St. Louis to Hartford
Discover carefully curated flight deals from St. Louis to Hartford that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Tue 9/166:25 amSTL - BDL

1 stop5h 45mSouthwest

Tue 9/302:00 pmBDL - STL

1 stop7h 05mSouthwest

Deal found 8/11

$201

Tue 9/166:35 amSTL - BDL

1 stop4h 45mUnited Airlines

Wed 10/16:00 amBDL - STL

1 stop5h 49mUnited Airlines

Deal found 8/11

$201

Wed 10/15:00 amSTL - BDL

1 stop4h 51mUnited Airlines

Wed 10/86:00 amBDL - STL

1 stop5h 49mUnited Airlines

Deal found 8/11

$201

Wed 10/111:10 amSTL - BDL

2 stops7h 50mSouthwest

Wed 10/812:55 pmBDL - STL

1 stop7h 15mSouthwest

Deal found 8/11

$206

Tue 9/166:25 amSTL - BDL

2 stops7h 45mSouthwest

Wed 10/14:00 pmBDL - STL

2 stops7h 05mSouthwest

Deal found 8/11

$211

Mon 9/227:20 amSTL - BDL

1 stop4h 30mSouthwest

Tue 9/236:00 amBDL - STL

1 stop4h 35mSouthwest

Deal found 8/14

$215

Tue 10/2812:05 pmSTL - BDL

1 stop9h 00mSouthwest

Mon 11/312:10 pmBDL - STL

1 stop4h 40mSouthwest

Deal found 8/12

$215

Thu 9/45:25 amSTL - BDL

1 stop6h 25mSouthwest

Tue 9/94:00 pmBDL - STL

1 stop6h 55mSouthwest

Deal found 8/12

$215

Last-minute flights from St. Louis to Hartford
Discover last-minute flight deals from St. Louis to Hartford. Data last updated August 14, 2025 and is based on user searches.

Sat 8/237:54 pmSTL - BDL

2 stops14h 42mFrontier

Mon 8/2511:44 amBDL - STL

2 stops22h 27mFrontier

Deal found 8/14

$396

Sat 8/236:35 amSTL - BDL

1 stop6h 49mUnited Airlines

Mon 8/256:10 amBDL - STL

1 stop7h 15mUnited Airlines

Deal found 8/14

$641

Thu 9/45:25 amSTL - BDL

1 stop6h 25mSouthwest

Tue 9/94:00 pmBDL - STL

1 stop6h 55mSouthwest

Deal found 8/12

$215

Sat 9/62:55 pmSTL - BDL

1 stop7h 25mSouthwest

Mon 9/81:55 pmBDL - STL

1 stop10h 30mSouthwest

Deal found 8/12

$234

Thu 9/1110:40 amSTL - BDL

1 stop4h 33mDelta

Sun 9/145:35 amBDL - STL

1 stop4h 58mDelta

Deal found 8/11

$244

Thu 9/115:27 amSTL - BDL

1 stop6h 37mAmerican Airlines

Mon 9/154:06 pmBDL - STL

1 stop8h 01mAmerican Airlines

Deal found 8/14

$251

Tue 9/166:35 amSTL - BDL

1 stop4h 45mUnited Airlines

Wed 10/16:00 amBDL - STL

1 stop5h 49mUnited Airlines

Deal found 8/11

$201

Tue 9/166:25 amSTL - BDL

2 stops7h 45mSouthwest

Wed 10/14:00 pmBDL - STL

2 stops7h 05mSouthwest

Deal found 8/11

$211

Thu 9/187:22 amSTL - BDL

1 stop4h 42mAmerican Airlines

Fri 9/263:53 pmBDL - STL

1 stop6h 13mAmerican Airlines

Deal found 8/12

$262

Fri 9/196:00 pmSTL - BDL

1 stop4h 27mAmerican Airlines

Mon 9/224:06 pmBDL - STL

1 stop8h 01mAmerican Airlines

Deal found 8/13

$288

One-way flights from St. Louis to Hartford
Search for one-way flight options from St. Louis to Hartford. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Tue 9/91:03 pmSTL - BDL

1 stop5h 57mAmerican Airlines

Deal found 8/12

$101

Tue 9/91:45 pmSTL - BDL

2 stops7h 15mSouthwest

Deal found 8/12

$106

Sat 9/206:10 amSTL - BDL

1 stop4h 24mAmerican Airlines

Deal found 8/14

$115

Sat 9/62:05 pmSTL - BDL

2 stops8h 15mSouthwest

Deal found 8/13

$120

Sun 10/510:35 amSTL - BDL

1 stop23h 00mSpirit Airlines

Deal found 8/11

$121

Tue 9/306:30 amSTL - BDL

1 stop7h 03mUnited Airlines

Deal found 8/14

$136

Sun 8/242:30 pmSTL - BDL

1 stop7h 53mSpirit Airlines

Deal found 8/13

$154

Sat 9/206:35 amSTL - BDL

2 stops6h 26mUnited Airlines

Deal found 8/14

$155

Mon 9/293:23 pmSTL - BDL

1 stop5h 20mUnited Airlines

Deal found 8/14

$185

Fri 10/243:23 pmSTL - BDL

1 stop5h 20mUnited Airlines

Deal found 8/12

$196

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Tue 9/16

6:25 am-1:10 pm

1 stop5h 45m

Hartford Bradley Intl

Tue 9/30

2:00 pm-8:05 pm

1 stop7h 05m

$201

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Tue 9/16

6:35 am-12:20 pm

1 stop4h 45m

Hartford Bradley Intl

Wed 10/1

6:00 am-10:49 am

1 stop5h 49m

$201

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Wed 10/1

5:00 am-10:51 am

1 stop4h 51m

Hartford Bradley Intl

Wed 10/8

6:00 am-10:49 am

1 stop5h 49m

$201

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Wed 10/1

11:10 am-8:00 pm

2 stops7h 50m

Hartford Bradley Intl

Wed 10/8

12:55 pm-7:10 pm

1 stop7h 15m

$206

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Tue 9/16

6:25 am-3:10 pm

2 stops7h 45m

Hartford Bradley Intl

Wed 10/1

4:00 pm-10:05 pm

2 stops7h 05m

$211

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Mon 9/22

7:20 am-12:50 pm

1 stop4h 30m

Hartford Bradley Intl

Tue 9/23

6:00 am-9:35 am

1 stop4h 35m

$215

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Tue 10/28

12:05 pm-10:05 pm

1 stop9h 00m

Hartford Bradley Intl

Mon 11/3

12:10 pm-3:50 pm

1 stop4h 40m

$215

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Thu 9/4

5:25 am-12:50 pm

1 stop6h 25m

Hartford Bradley Intl

Tue 9/9

4:00 pm-9:55 pm

1 stop6h 55m

$215

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Tue 9/9

1:03 pm-8:00 pm

1 stop5h 57m

$101

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Tue 9/23

6:29 am-2:53 pm

1 stop7h 24m

$101

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 18 results

Best time to book a flight from St. Louis to Hartford

Have a flexible travel schedule? Discover the best time to fly to Hartford from St. Louis 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 St. Louis to Hartford

How far ahead should I book a flight from St. Louis to Hartford?

The price you pay for your flight from St. Louis to Hartford may vary depending on when you book. For the best chance of a lower fare, look to book 37 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 Hartford?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Hartford (average of $287). Flying from St. Louis to Hartford in December 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 BDL?

One of the essential ways to save on airfare from St. Louis to Hartford 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 46% on airfare.

Reviews of airlines servicing Hartford

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from St. Louis to Hartford by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Southwest

8.0

Very good

4,244 reviews

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

Delta

8.0

Very good

7,980 reviews

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

United Airlines

7.4

Good

8,916 reviews

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,244 reviews

Reviews

1 / 20

8.0

Excellent

Walter,Aug 2025

OAK - SAN

Related info for your journey

What are the cheapest airlines flying from St. Louis to Hartford round-trip?
Currently priced at $246, Southwest will fly you from St. Louis to Hartford and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $270 and $270, respectively. Users have found that Southwest is 33% cheaper than the other options available to this destination.
Can I find deals for flights from St. Louis to Hartford that include hotel bookings?
Yes. In addition to deals on St. Louis to Hartford flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Hartford?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Hartford.
Can I find deals for business class flights from St. Louis to Hartford?
Yes. Cheapflights offers flight deals from St. Louis to Hartford 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 St. Louis to Hartford?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Hartford (average of $287). Flying from St. Louis to Hartford in December 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.

See more FAQs

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Windsor

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Rocky Hill

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Glastonbury

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East Hartford

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Lee

West Hartford

Vernon

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Hartford

Top 4 airlines flying from St. Louis to Hartford

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$246	Average$389	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$270	Average$496	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$270	Average$367	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$270	Average$363	FlexibilityNo cancel fee	On-time71%

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$101+ Cheap flights from St. Louis to Hartford (STL - BDL)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Hartford with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Hartford Bradley Intl are usually found in April or May, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from St. Louis to Hartford

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Hartford

Cheapest flights from St. Louis to HartfordExplore the most affordable flight options available from St. Louis to Hartford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from St. Louis to Hartford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from St. Louis to Hartford

Have a flexible travel schedule? Discover the best time to fly to Hartford from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Hartford

How far ahead should I book a flight from St. Louis to Hartford?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Hartford. Price data was last updated on August 8, 2025.

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

What is the cheapest time of day to fly from STL to BDL?

Find hourly flight availability from St. Louis to Hartford. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Reviews of airlines servicing Hartford

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from St. Louis to Hartford by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Hartford. 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 St. Louis to Hartford round-trip?

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

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

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

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

Traveling to a place near Hartford?

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Alternative routes for St. Louis to Hartford

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Top 4 airlines flying from St. Louis to Hartford

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Cheapest flights from St. Louis to Hartford
Explore the most affordable flight options available from St. Louis to Hartford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.