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Cheap flights from Hartford to St. Louis from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hartford to St. Louis departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Hartford to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:08 pm - 11:19 pm
BDL
-
STL
28h 11m
1 stop
Frontier Logo
4:55 pm - 7:17 pm
STL
-
BDL
25h 22m
1 stop
$171Frontier
Mon, May 4 - Wed, May 6
Frontier Logo
5:50 pm - 11:59 pm
BDL
-
STL
7h 09m
1 stop
Frontier Logo
3:49 pm - 9:23 am
STL
-
BDL
16h 34m
1 stop
$192Frontier
Thu, Feb 19 - Tue, Feb 24
Frontier Logo
6:17 pm - 12:27 am
BDL
-
STL
7h 10m
1 stop
Frontier Logo
3:49 pm - 9:23 am
STL
-
BDL
16h 34m
1 stop
$206Frontier
Fri, Feb 20 - Tue, Feb 24
Multiple Airlines Logo
7:20 am - 6:51 am
BDL
-
STL
48h 31m
2 stops
Multiple Airlines Logo
8:17 pm - 1:32 pm
STL
-
BDL
16h 15m
1 stop
$229Multiple Airlines
Sat, Feb 21 - Wed, Feb 25
Frontier Logo
9:21 pm - 7:51 am
BDL
-
STL
11h 30m
1 stop
Frontier Logo
8:41 am - 9:08 pm
STL
-
BDL
11h 27m
1 stop
$250Frontier
Thu, Apr 9 - Mon, Apr 13
Frontier Logo
2:27 pm - 6:51 am
BDL
-
STL
17h 24m
1 stop
Frontier Logo
3:49 pm - 1:32 pm
STL
-
BDL
44h 43m
2 stops
$253Frontier
Thu, Feb 19 - Tue, Feb 24
Frontier Logo
8:08 pm - 11:19 pm
BDL
-
STL
28h 11m
1 stop
Frontier Logo
4:55 pm - 7:17 pm
STL
-
BDL
25h 22m
1 stop
$261Frontier
Thu, May 14 - Sat, May 16
Frontier Logo
3:40 pm - 11:49 am
BDL
-
STL
21h 09m
1 stop
Frontier Logo
8:12 pm - 11:12 am
STL
-
BDL
14h 00m
2 stops
$263Frontier
Thu, Mar 5 - Sat, Mar 7
Frontier Logo
8:08 pm - 7:02 am
BDL
-
STL
11h 54m
1 stop
Frontier Logo
4:51 pm - 7:13 pm
STL
-
BDL
25h 22m
1 stop
$271Frontier
Sat, Mar 14 - Wed, Mar 18
Multiple Airlines Logo
2:27 pm - 6:51 am
BDL
-
STL
17h 24m
1 stop
Multiple Airlines Logo
3:49 pm - 10:45 pm
STL
-
BDL
29h 56m
2 stops
$273Multiple Airlines
Thu, Feb 26 - Sun, Mar 1

Frontier flights from Hartford to St. Louis

Our best Frontier deals on Hartford to St. Louis flight tickets
Frontier
Feb 19
BDL5:50 pmHartford Bradley Intl
7h 09m
1 stop
STL11:59 pmLambert-St Louis
Feb 24
STL3:49 pmLambert-St Louis
16h 34m
1 stop
BDL9:23 amHartford Bradley Intl
$192
Frontier
Feb 15
BDL2:27 pmHartford Bradley Intl
17h 24m
1 stop
STL6:51 amLambert-St Louis
Feb 18
STL8:17 pmLambert-St Louis
16h 15m
1 stop
BDL1:32 pmHartford Bradley Intl
$204
Frontier
Feb 20
BDL6:17 pmHartford Bradley Intl
7h 10m
1 stop
STL12:27 amLambert-St Louis
Feb 24
STL3:49 pmLambert-St Louis
16h 34m
1 stop
BDL9:23 amHartford Bradley Intl
$206

American Airlines flights from Hartford to St. Louis

Our best American Airlines deals on Hartford to St. Louis flight tickets
American Airlines
Apr 9
BDL7:29 pmHartford Bradley Intl
5h 17m
1 stop
STL11:46 pmLambert-St Louis
Apr 14
STL5:46 amLambert-St Louis
4h 36m
1 stop
BDL11:22 amHartford Bradley Intl
$297
American Airlines
Mar 25
BDL5:59 pmHartford Bradley Intl
6h 45m
1 stop
STL11:44 pmLambert-St Louis
Mar 27
STL6:57 pmLambert-St Louis
4h 31m
1 stop
BDL12:28 amHartford Bradley Intl
$321
American Airlines
Apr 10
BDL7:29 pmHartford Bradley Intl
5h 17m
1 stop
STL11:46 pmLambert-St Louis
Apr 14
STL4:30 pmLambert-St Louis
4h 46m
1 stop
BDL10:16 pmHartford Bradley Intl
$333

momondo 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, momondo users made 832,500 searches. Data last updated February 8, 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

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Mon 5/4

8:08 pm-11:19 pm

1 stop28h 11m

Lambert-St Louis

Wed 5/6

4:55 pm-7:17 pm

1 stop25h 22m

$171

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 2/19

5:50 pm-11:59 pm

1 stop7h 09m

Lambert-St Louis

Tue 2/24

3:49 pm-9:23 am

1 stop16h 34m

$192

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Fri 2/20

6:17 pm-12:27 am

1 stop7h 10m

Lambert-St Louis

Tue 2/24

3:49 pm-9:23 am

1 stop16h 34m

$206

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 2/21

7:20 am-6:51 am

2 stops48h 31m

Lambert-St Louis

Wed 2/25

8:17 pm-1:32 pm

1 stop16h 15m

$229

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 4/9

9:21 pm-7:51 am

1 stop11h 30m

Lambert-St Louis

Mon 4/13

8:41 am-9:08 pm

1 stop11h 27m

$250

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 2/19

2:27 pm-6:51 am

1 stop17h 24m

Lambert-St Louis

Tue 2/24

3:49 pm-1:32 pm

2 stops44h 43m

$253

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 5/14

8:08 pm-11:19 pm

1 stop28h 11m

Lambert-St Louis

Sat 5/16

4:55 pm-7:17 pm

1 stop25h 22m

$261

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 3/5

3:40 pm-11:49 am

1 stop21h 09m

Lambert-St Louis

Sat 3/7

8:12 pm-11:12 am

2 stops14h 00m

$263

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 3/14

8:08 pm-7:02 am

1 stop11h 54m

Lambert-St Louis

Wed 3/18

4:51 pm-7:13 pm

1 stop25h 22m

$271

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 2/26

2:27 pm-6:51 am

1 stop17h 24m

Lambert-St Louis

Sun 3/1

3:49 pm-10:45 pm

2 stops29h 56m

$273

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Hartford to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, August is the cheapest month to fly from Hartford to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $303. The month of September is another great option to travel to St. Louis, with average flight prices from Hartford averaging around $356.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Hartford when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Hartford for as low as $228 on momondo.

How have Hartford to St. Louis flight prices changed over time?

As of February 2026, prices for Hartford to St. Louis flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from Hartford to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Hartford to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hartford to St. Louis (BDL to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hartford to St. Louis

Fastest flight time

4h 56m

Direct flights

None
The fastest flight from Hartford to St. Louis takes 4h 56m
There are no direct flights from Hartford to St. Louis. There are no popular flight routes from Hartford to St. Louis.
Search flight deals

  • How far is Hartford Bradley Intl to Lambert-St Louis by plane?

    Lambert-St Louis is 947.3 mi away from Hartford Bradley Intl. 4h 56m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Hartford Bradley Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Hartford Bradley Intl Airport to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from Hartford Bradley Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Hartford Bradley Intl Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hartford Bradley Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Hartford to St. Louis?

Best airlines flying from Hartford to St. Louis

Compare and see reviews for airlines that fly from Hartford to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $81Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,172 reviews
Search Delta flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
SouthwestPriceFrom $279Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Hartford to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Hartford.

Can I find flights from Hartford to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Hartford on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Hartford to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Hartford.

I’m not ready to book a flight from Hartford to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Hartford to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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