Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Hartford to St. Louis from $115

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 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Hartford to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:24 pm - 11:59 pm
BDL
-
STL
12h 35m
1 stop
Frontier Logo
4:10 pm - 11:38 am
STL
-
BDL
18h 28m
1 stop
$219Frontier
Wed, Aug 5 - Tue, Aug 18
Frontier Logo
5:44 pm - 11:57 pm
BDL
-
STL
7h 13m
1 stop
Frontier Logo
4:17 pm - 11:38 am
STL
-
BDL
18h 21m
1 stop
$233Frontier
Mon, Jun 8 - Thu, Jun 11
Frontier Logo
5:44 pm - 11:57 pm
BDL
-
STL
7h 13m
1 stop
Frontier Logo
4:17 pm - 11:38 am
STL
-
BDL
18h 21m
1 stop
$236Frontier
Mon, Jun 8 - Thu, Jun 11
Frontier Logo
5:40 pm - 11:57 pm
BDL
-
STL
7h 17m
1 stop
Frontier Logo
4:19 pm - 4:59 pm
STL
-
BDL
23h 40m
1 stop
$239Frontier
Fri, Jun 5 - Sun, Jun 7
Frontier Logo
12:24 pm - 11:59 pm
BDL
-
STL
12h 35m
1 stop
Frontier Logo
4:09 pm - 7:25 pm
STL
-
BDL
26h 16m
1 stop
$261Frontier
Mon, Jul 13 - Fri, Jul 17
Frontier Logo
12:24 pm - 11:59 pm
BDL
-
STL
12h 35m
1 stop
Frontier Logo
4:09 pm - 11:29 am
STL
-
BDL
18h 20m
1 stop
$282Frontier
Wed, Jul 8 - Sun, Jul 12
Multiple Airlines Logo
7:32 pm - 5:33 pm
BDL
-
STL
23h 01m
2 stops
Multiple Airlines Logo
4:17 pm - 12:51 am
STL
-
BDL
7h 34m
1 stop
$295Multiple Airlines
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
8:00 am - 5:30 pm
BDL
-
STL
10h 30m
2 stops
Multiple Airlines Logo
4:17 pm - 12:09 pm
STL
-
BDL
18h 52m
1 stop
$300Multiple Airlines
Thu, Jun 11 - Tue, Jun 16
Multiple Airlines Logo
7:32 pm - 5:33 pm
BDL
-
STL
23h 01m
2 stops
Multiple Airlines Logo
4:19 pm - 4:59 pm
STL
-
BDL
23h 40m
1 stop
$311Multiple Airlines
Wed, Jun 3 - Sun, Jun 7
Multiple Airlines Logo
8:05 pm - 8:52 am
BDL
-
STL
37h 47m
2 stops
Multiple Airlines Logo
4:17 pm - 12:41 am
STL
-
BDL
7h 24m
1 stop
$319Multiple Airlines
Sat, Jun 13 - Tue, Jun 16

United Airlines flights from Hartford to St. Louis

Our best United Airlines deals on Hartford to St. Louis flight tickets
United Airlines
Jun 23
BDL4:55 pmHartford Bradley Intl
5h 26m
1 stop
STL9:21 pmLambert-St Louis
Jun 30
STL6:00 amLambert-St Louis
7h 06m
2 stops
BDL2:06 pmHartford Bradley Intl
$352
United Airlines
Jun 30
BDL6:00 amHartford Bradley Intl
7h 11m
2 stops
STL12:11 pmLambert-St Louis
Jul 21
STL6:00 amLambert-St Louis
7h 06m
2 stops
BDL2:06 pmHartford Bradley Intl
$357
United Airlines
May 24
BDL6:00 amHartford Bradley Intl
9h 23m
2 stops
STL2:23 pmLambert-St Louis
May 28
STL7:22 amLambert-St Louis
6h 02m
1 stop
BDL2:24 pmHartford Bradley Intl
$492

Delta flights from Hartford to St. Louis

Our best Delta deals on Hartford to St. Louis flight tickets
Delta
Jun 16
BDL5:30 amHartford Bradley Intl
5h 02m
1 stop
STL9:32 amLambert-St Louis
Jun 16
STL1:39 pmLambert-St Louis
6h 38m
1 stop
BDL9:17 pmHartford Bradley Intl
$347
Delta
Jun 6
BDL5:30 amHartford Bradley Intl
4h 59m
1 stop
STL9:29 amLambert-St Louis
Jun 9
STL3:57 pmLambert-St Louis
6h 46m
1 stop
BDL11:43 pmHartford Bradley Intl
$349
Delta
Aug 15
BDL5:06 pmHartford Bradley Intl
4h 36m
1 stop
STL8:42 pmLambert-St Louis
Aug 17
STL6:25 pmLambert-St Louis
4h 26m
1 stop
BDL11:51 pmHartford Bradley Intl
$351

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 May 10, 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

Cheapest round-trip

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 8/5

12:24 pm-11:59 pm

1 stop12h 35m

Lambert-St Louis

Tue 8/18

4:10 pm-11:38 am

1 stop18h 28m

$219
Quickest round-trip

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Mon 6/8

5:44 pm-11:57 pm

1 stop7h 13m

Lambert-St Louis

Thu 6/11

4:17 pm-11:38 am

1 stop18h 21m

$233

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Mon 6/8

5:44 pm-11:57 pm

1 stop7h 13m

Lambert-St Louis

Thu 6/11

4:17 pm-11:38 am

1 stop18h 21m

$236

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Fri 6/5

5:40 pm-11:57 pm

1 stop7h 17m

Lambert-St Louis

Sun 6/7

4:19 pm-4:59 pm

1 stop23h 40m

$239

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Mon 7/13

12:24 pm-11:59 pm

1 stop12h 35m

Lambert-St Louis

Fri 7/17

4:09 pm-7:25 pm

1 stop26h 16m

$261

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 7/8

12:24 pm-11:59 pm

1 stop12h 35m

Lambert-St Louis

Sun 7/12

4:09 pm-11:29 am

1 stop18h 20m

$282

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 6/3

7:32 pm-5:33 pm

2 stops23h 01m

Lambert-St Louis

Wed 6/10

4:17 pm-12:51 am

1 stop7h 34m

$295

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 6/11

8:00 am-5:30 pm

2 stops10h 30m

Lambert-St Louis

Tue 6/16

4:17 pm-12:09 pm

1 stop18h 52m

$300

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 6/3

7:32 pm-5:33 pm

2 stops23h 01m

Lambert-St Louis

Sun 6/7

4:19 pm-4:59 pm

1 stop23h 40m

$311

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sat 6/13

8:05 pm-8:52 am

2 stops37h 47m

Lambert-St Louis

Tue 6/16

4:17 pm-12:41 am

1 stop7h 24m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Hartford and St. Louis?

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 $304. 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 from Hartford 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 $408 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 May 2026, prices for Hartford to St. Louis flights are approximately 23% 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

Fastest flight time

4h 15m

Direct flights

None
The fastest flight from Hartford to St. Louis takes 4h 15m
There are no direct flights from Hartford to St. Louis. There are no popular flight routes from Hartford to St. Louis.
Search flight deals

Frequently asked questions about flying from Hartford to St. Louis

  • 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 15m 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
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
American AirlinesPriceFrom $246Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
DeltaPriceFrom $246Free CancellationRating
7.9
8,455 reviews
Search Delta flights
SouthwestPriceFrom $274Free CancellationRating
8.0
4,304 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
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/9
Tue 6/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States