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Cheap flights from Hartford to St. Louis from $79

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 1/25. 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.
Multiple Airlines Logo
2:04 pm - 10:23 am
BDL
-
STL
21h 19m2 stops
Multiple Airlines Logo
8:22 pm - 11:16 am
STL
-
BDL
13h 54m1 stop
$189Multiple Airlines
Thu, Jan 29 - Sat, Jan 31
Multiple Airlines Logo
7:10 am - 7:50 am
BDL
-
STL
25h 40m2 stops
Multiple Airlines Logo
5:11 pm - 7:24 pm
STL
-
BDL
25h 13m1 stop
$191Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
7:13 pm - 11:11 am
BDL
-
STL
16h 58m2 stops
Multiple Airlines Logo
5:42 pm - 7:06 pm
STL
-
BDL
24h 24m1 stop
$199Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Frontier Logo
11:32 am - 1:09 pm
BDL
-
STL
26h 37m2 stops
Frontier Logo
3:49 pm - 10:37 am
STL
-
BDL
17h 48m1 stop
$200Frontier
Sun, Feb 22 - Wed, Feb 25
Frontier Logo
11:22 am - 11:59 pm
BDL
-
STL
13h 37m1 stop
Frontier Logo
3:49 pm - 11:24 am
STL
-
BDL
18h 35m1 stop
$201Frontier
Thu, Feb 26 - Tue, Mar 3
Frontier Logo
6:17 pm - 9:41 am
BDL
-
STL
16h 24m1 stop
Frontier Logo
3:49 pm - 11:24 am
STL
-
BDL
18h 35m1 stop
$206Frontier
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
5:03 pm - 2:48 pm
BDL
-
STL
22h 45m2 stops
Frontier Logo
8:32 pm - 10:51 am
STL
-
BDL
13h 19m1 stop
$217Frontier
Wed, Jan 7 - Wed, Jan 14
Frontier Logo
2:27 pm - 6:51 am
BDL
-
STL
17h 24m1 stop
Frontier Logo
3:49 pm - 10:37 am
STL
-
BDL
17h 48m1 stop
$222Frontier
Sun, Feb 22 - Wed, Feb 25
Multiple Airlines Logo
8:05 am - 10:33 pm
BDL
-
STL
15h 28m1 stop
Multiple Airlines Logo
8:32 pm - 10:51 am
STL
-
BDL
13h 19m1 stop
$225Multiple Airlines
Wed, Jan 7 - Wed, Jan 14
Frontier Logo
12:38 pm - 10:33 pm
BDL
-
STL
10h 55m1 stop
Frontier Logo
7:52 am - 7:13 pm
STL
-
BDL
10h 21m1 stop
$229Frontier
Sat, Jan 10 - Fri, Mar 6

Frontier flights from Hartford to St. Louis

Our best Frontier deals on Hartford to St. Louis flight tickets
Frontier
Feb 22
BDL11:32 amHartford Bradley Intl
26h 37m
2 stops
STL1:09 pmLambert-St Louis
Feb 25
STL3:49 pmLambert-St Louis
17h 48m
1 stop
BDL10:37 amHartford Bradley Intl
$200
Find similar
Frontier
Feb 26
BDL11:22 amHartford Bradley Intl
13h 37m
1 stop
STL11:59 pmLambert-St Louis
Mar 3
STL3:49 pmLambert-St Louis
18h 35m
1 stop
BDL11:24 amHartford Bradley Intl
$201
Find similar
Frontier
Feb 20
BDL6:17 pmHartford Bradley Intl
16h 24m
1 stop
STL9:41 amLambert-St Louis
Feb 23
STL3:49 pmLambert-St Louis
18h 35m
1 stop
BDL11:24 amHartford Bradley Intl
$206
Find similar

United Airlines flights from Hartford to St. Louis

Our best United Airlines deals on Hartford to St. Louis flight tickets
United Airlines
Jan 13
BDL4:46 pmHartford Bradley Intl
7h 12m
1 stop
STL10:58 pmLambert-St Louis
Jan 20
STL8:05 amLambert-St Louis
5h 17m
1 stop
BDL2:22 pmHartford Bradley Intl
$290
Find similar
United Airlines
Dec 25
BDL10:36 amHartford Bradley Intl
8h 18m
2 stops
STL5:54 pmLambert-St Louis
Dec 31
STL3:10 pmLambert-St Louis
7h 48m
2 stops
BDL11:58 pmHartford Bradley Intl
$314
Find similar
United Airlines
Dec 25
BDL10:36 amHartford Bradley Intl
8h 18m
2 stops
STL5:54 pmLambert-St Louis
Dec 31
STL6:30 amLambert-St Louis
6h 46m
1 stop
BDL2:16 pmHartford Bradley Intl
$344
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 December 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

Thu 1/29

2:04 pm-10:23 am

2 stops21h 19m

Lambert-St Louis

Sat 1/31

8:22 pm-11:16 am

1 stop13h 54m

$189

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 1/8

7:10 am-7:50 am

2 stops25h 40m

Lambert-St Louis

Sun 1/11

5:11 pm-7:24 pm

1 stop25h 13m

$191

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Fri 1/30

7:13 pm-11:11 am

2 stops16h 58m

Lambert-St Louis

Fri 2/6

5:42 pm-7:06 pm

1 stop24h 24m

$199

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sun 2/22

11:32 am-1:09 pm

2 stops26h 37m

Lambert-St Louis

Wed 2/25

3:49 pm-10:37 am

1 stop17h 48m

$200

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 2/26

11:22 am-11:59 pm

1 stop13h 37m

Lambert-St Louis

Tue 3/3

3:49 pm-11:24 am

1 stop18h 35m

$201

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Fri 2/20

6:17 pm-9:41 am

1 stop16h 24m

Lambert-St Louis

Mon 2/23

3:49 pm-11:24 am

1 stop18h 35m

$206

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 1/7

5:03 pm-2:48 pm

2 stops22h 45m

Lambert-St Louis

Wed 1/14

8:32 pm-10:51 am

1 stop13h 19m

$217

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sun 2/22

2:27 pm-6:51 am

1 stop17h 24m

Lambert-St Louis

Wed 2/25

3:49 pm-10:37 am

1 stop17h 48m

$222

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 1/7

8:05 am-10:33 pm

1 stop15h 28m

Lambert-St Louis

Wed 1/14

8:32 pm-10:51 am

1 stop13h 19m

$225

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 1/10

12:38 pm-10:33 pm

1 stop10h 55m

Lambert-St Louis

Fri 3/6

7:52 am-7:13 pm

1 stop10h 21m

$229

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 $296. 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 $375 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 December 2025, prices for Hartford to St. Louis flights are approximately 103% 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 49m

Direct flights

None
The fastest flight from Hartford to St. Louis takes 4h 49m
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 49m 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 $109Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $246Free CancellationRating
7.9
8,005 reviews
Search Delta flights
SouthwestPriceFrom $279Free CancellationRating
7.9
4,250 reviews
Search Southwest 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
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Clayton
Festus
Glencoe
Farmington
Eureka
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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