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Cheap flights from Hartford to St. Louis from $73

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 9/4. 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 (BDL-STL)

Cheap round-trip flights

Frontier Logo
10:04 am - 10:37 amBDL-STL
25h 33m1 stop
Frontier Logo
11:32 am - 3:21 pmSTL-BDL
26h 49m1 stop
$171Frontier
Find Deal
jue., oct. 16 - dom., oct. 19
Logo
10:30 am - 3:04 pmBDL-STL
5h 34m1 stop
Logo
10:35 am - 10:35 amSTL-BDL
23h 00m1 stop
$192
Find Deal
jue., sep. 25 - dom., sep. 28
Southwest Logo
6:25 am - 12:35 pmBDL-STL
7h 10m1 stop
Southwest Logo
7:00 am - 3:10 pmSTL-BDL
7h 10m1 stop
$217Southwest
Find Deal
mié., sep. 17 - mié., sep. 24
Southwest Logo
6:25 am - 10:15 amBDL-STL
4h 50m1 stop
Southwest Logo
6:25 am - 3:10 pmSTL-BDL
7h 45m2 stops
$222Southwest
Find Deal
mié., sep. 17 - mié., sep. 24
American Airlines Logo
7:08 pm - 11:48 pmBDL-STL
5h 40m1 stop
American Airlines Logo
6:29 am - 2:53 pmSTL-BDL
7h 24m1 stop
$223American Airlines
Find Deal
lun., sep. 22 - mar., sep. 23
Delta Logo
5:48 am - 9:35 amBDL-STL
4h 47m1 stop
Delta Logo
6:00 am - 12:56 pmSTL-BDL
5h 56m1 stop
$237Delta
Find Deal
jue., dic. 18 - mié., dic. 31
American Airlines Logo
8:00 am - 12:10 pmBDL-STL
5h 10m1 stop
American Airlines Logo
6:10 am - 11:39 amSTL-BDL
4h 29m1 stop
$257American Airlines
Find Deal
sáb., sep. 6 - mar., sep. 9
Delta Logo
10:00 am - 4:06 pmBDL-STL
7h 06m1 stop
Delta Logo
6:00 am - 1:36 pmSTL-BDL
6h 36m1 stop
$267Delta
Find Deal
sáb., sep. 6 - mié., sep. 10
United Airlines Logo
6:00 am - 10:02 amBDL-STL
5h 02m1 stop
United Airlines Logo
6:35 am - 6:56 pmSTL-BDL
11h 21m2 stops
$292United Airlines
Find Deal
mié., sep. 10 - mar., sep. 16
United Airlines Logo
6:00 am - 2:19 pmBDL-STL
9h 19m2 stops
United Airlines Logo
6:35 am - 6:56 pmSTL-BDL
11h 21m2 stops
$297United Airlines
Find Deal
mié., sep. 10 - mar., sep. 16

Frontier flights from Hartford to St. Louis

Our best Frontier deals on Hartford to St. Louis flight tickets
Frontier
Oct 16
BDL10:04 amHartford Bradley Intl
25h 33m
1 stop
STL10:37 amLambert-St Louis
Oct 19
STL11:32 amLambert-St Louis
26h 49m
1 stop
BDL3:21 pmHartford Bradley Intl
$171
Find similar
Frontier
Oct 9
BDL10:04 amHartford Bradley Intl
25h 33m
1 stop
STL10:37 amLambert-St Louis
Oct 12
STL6:05 pmLambert-St Louis
13h 00m
1 stop
BDL8:05 amHartford Bradley Intl
$203
Find similar
Frontier
Oct 9
BDL8:31 pmHartford Bradley Intl
15h 06m
2 stops
STL10:37 amLambert-St Louis
Oct 12
STL6:05 pmLambert-St Louis
13h 00m
1 stop
BDL8:05 amHartford Bradley Intl
$218
Find similar

Southwest flights from Hartford to St. Louis

Our best Southwest deals on Hartford to St. Louis flight tickets
Southwest
Sep 17
BDL6:25 amHartford Bradley Intl
7h 10m
1 stop
STL12:35 pmLambert-St Louis
Sep 24
STL7:00 amLambert-St Louis
7h 10m
1 stop
BDL3:10 pmHartford Bradley Intl
$217
Find similar
Southwest
Sep 17
BDL6:25 amHartford Bradley Intl
4h 50m
1 stop
STL10:15 amLambert-St Louis
Sep 24
STL6:25 amLambert-St Louis
7h 45m
2 stops
BDL3:10 pmHartford Bradley Intl
$222
Find similar
Southwest
Sep 17
BDL8:05 amHartford Bradley Intl
7h 10m
2 stops
STL2:15 pmLambert-St Louis
Sep 24
STL6:25 amLambert-St Louis
7h 45m
2 stops
BDL3:10 pmHartford Bradley Intl
$227
Find similar

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 agosto 18, 2025.
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

jue. 10/16

10:04 am-10:37 am

1 stop25h 33m

Lambert-St Louis

dom. 10/19

11:32 am-3:21 pm

1 stop26h 49m

$171

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

jue. 9/25

10:30 am-3:04 pm

1 stop5h 34m

Lambert-St Louis

dom. 9/28

10:35 am-10:35 am

1 stop23h 00m

$192

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

mié. 9/17

6:25 am-12:35 pm

1 stop7h 10m

Lambert-St Louis

mié. 9/24

7:00 am-3:10 pm

1 stop7h 10m

$217

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

mié. 9/17

6:25 am-10:15 am

1 stop4h 50m

Lambert-St Louis

mié. 9/24

6:25 am-3:10 pm

2 stops7h 45m

$222

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

lun. 9/22

7:08 pm-11:48 pm

1 stop5h 40m

Lambert-St Louis

mar. 9/23

6:29 am-2:53 pm

1 stop7h 24m

$223

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

jue. 12/18

5:48 am-9:35 am

1 stop4h 47m

Lambert-St Louis

mié. 12/31

6:00 am-12:56 pm

1 stop5h 56m

$237

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

sáb. 9/6

8:00 am-12:10 pm

1 stop5h 10m

Lambert-St Louis

mar. 9/9

6:10 am-11:39 am

1 stop4h 29m

$257

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

sáb. 9/6

10:00 am-4:06 pm

1 stop7h 06m

Lambert-St Louis

mié. 9/10

6:00 am-1:36 pm

1 stop6h 36m

$267

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

mié. 9/10

6:00 am-10:02 am

1 stop5h 02m

Lambert-St Louis

mar. 9/16

6:35 am-6:56 pm

2 stops11h 21m

$292

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

mié. 9/10

6:00 am-2:19 pm

2 stops9h 19m

Lambert-St Louis

mar. 9/16

6:35 am-6:56 pm

2 stops11h 21m

$297

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 January is another great option to travel to St. Louis, with average flight prices from Hartford averaging around $364.

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 $384 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 $324 on momondo.

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

As of August 2025, prices for Hartford to St. Louis flights are approximately 35% cheaper 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

Best Price Found

$73

Fastest flight time

4h 10m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Hartford in the past 72 hours is $73. The best round-trip flight deal from Hartford to St. Louis found on momondo in the last 72 hours is $171.
The fastest flight from Hartford to St. Louis takes 4h 10m
There are no direct flights from Hartford to St. Louis. Popular non-direct route for this connection is Hartford Bradley Intl Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
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 10m 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 $120Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
DeltaPriceFrom $246Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $290Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $366Free CancellationRating
7.4
8,925 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
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
Fenton
Wentzville
Collinsville
Alton
St. Peters
Farmington
Festus
Glencoe
Eureka
Clayton
Edwardsville
Litchfield
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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