Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Massachusetts to St. Louis from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to St. Louis departing on 1/17. 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 Massachusetts to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:05 am - 11:33 pmBDL-STL
16h 28m1 stop
Multiple Airlines Logo
4:45 pm - 6:33 pmSTL-BDL
24h 48m2 stops
$212Multiple Airlines
Find Deal
Wed, Jan 28 - Sun, Feb 1
Frontier Logo
2:07 pm - 10:33 pmBDL-STL
9h 26m1 stop
Frontier Logo
12:04 pm - 11:08 amSTL-BDL
22h 04m1 stop
$218Frontier
Find Deal
Mon, Dec 8 - Thu, Dec 11
Multiple Airlines Logo
8:05 am - 11:33 pmBDL-STL
16h 28m2 stops
Multiple Airlines Logo
4:45 pm - 7:06 pmSTL-BDL
25h 21m1 stop
$219Multiple Airlines
Find Deal
Tue, Feb 3 - Fri, Feb 6
Frontier Logo
2:03 pm - 10:33 pmBDL-STL
9h 30m1 stop
Frontier Logo
12:04 pm - 11:08 amSTL-BDL
22h 04m1 stop
$224Frontier
Find Deal
Sun, Dec 7 - Thu, Dec 11
Multiple Airlines Logo
2:07 pm - 10:33 pmBDL-STL
9h 26m1 stop
Multiple Airlines Logo
3:30 pm - 10:43 pmSTL-BDL
30h 13m2 stops
$225Multiple Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11
Delta Logo
2:49 pm - 8:41 pmBDL-STL
6h 52m1 stop
Delta Logo
5:50 pm - 11:39 pmSTL-BDL
4h 49m1 stop
$247Delta
Find Deal
Thu, Feb 19 - Sat, Feb 21
Delta Logo
2:42 pm - 8:06 pmALB-STL
6h 24m1 stop
Delta Logo
6:00 am - 1:24 pmSTL-ALB
6h 24m1 stop
$271Delta
Find Deal
Tue, Jan 6 - Wed, Jan 7
Southwest Logo
1:00 pm - 7:00 pmALB-STL
7h 00m2 stops
Southwest Logo
2:35 pm - 10:05 pmSTL-ALB
6h 30m1 stop
$282Southwest
Find Deal
Tue, Mar 3 - Wed, Mar 4
Southwest Logo
1:00 pm - 7:00 pmALB-STL
7h 00m2 stops
Southwest Logo
6:50 am - 5:00 pmSTL-ALB
9h 10m2 stops
$308Southwest
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
5:50 am - 2:23 pmALB-STL
9h 33m2 stops
United Airlines Logo
3:13 pm - 9:14 pmSTL-ALB
5h 01m1 stop
$326United Airlines
Find Deal
Thu, Dec 11 - Sat, Dec 13

Frontier flights from Massachusetts to St. Louis

Our best Frontier deals on Massachusetts to St. Louis flight tickets
Frontier
Dec 8
BDL2:07 pmHartford Bradley Intl
9h 26m
1 stop
STL10:33 pmLambert-St Louis
Dec 11
STL12:04 pmLambert-St Louis
22h 04m
1 stop
BDL11:08 amHartford Bradley Intl
$218
Find similar
Frontier
Dec 7
BDL2:03 pmHartford Bradley Intl
9h 30m
1 stop
STL10:33 pmLambert-St Louis
Dec 11
STL12:04 pmLambert-St Louis
22h 04m
1 stop
BDL11:08 amHartford Bradley Intl
$224
Find similar
Frontier
Feb 19
BDL8:19 pmHartford Bradley Intl
12h 31m
1 stop
STL7:50 amLambert-St Louis
Feb 21
STL7:43 pmLambert-St Louis
14h 32m
2 stops
BDL11:15 amHartford Bradley Intl
$284
Find similar

Delta flights from Massachusetts to St. Louis

Our best Delta deals on Massachusetts to St. Louis flight tickets
Delta
Feb 19
BDL2:49 pmHartford Bradley Intl
6h 52m
1 stop
STL8:41 pmLambert-St Louis
Feb 21
STL5:50 pmLambert-St Louis
4h 49m
1 stop
BDL11:39 pmHartford Bradley Intl
$247
Find similar
Delta
Jan 6
ALB5:40 amAlbany Intl
7h 53m
1 stop
STL12:33 pmLambert-St Louis
Jan 7
STL7:10 amLambert-St Louis
5h 14m
1 stop
ALB1:24 pmAlbany Intl
$271
Find similar
Delta
Jan 8
BDL6:00 amHartford Bradley Intl
6h 02m
1 stop
STL11:02 amLambert-St Louis
Jan 12
STL5:56 pmLambert-St Louis
4h 44m
1 stop
BDL11:40 pmHartford Bradley Intl
$285
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts 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 November 23, 2025.
Use the filters below to find and compare flights from Massachusetts to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 1/28

8:05 am-11:33 pm

1 stop16h 28m

Lambert-St Louis

Sun 2/1

4:45 pm-6:33 pm

2 stops24h 48m

$212

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Mon 12/8

2:07 pm-10:33 pm

1 stop9h 26m

Lambert-St Louis

Thu 12/11

12:04 pm-11:08 am

1 stop22h 04m

$218

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Tue 2/3

8:05 am-11:33 pm

2 stops16h 28m

Lambert-St Louis

Fri 2/6

4:45 pm-7:06 pm

1 stop25h 21m

$219

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Sun 12/7

2:03 pm-10:33 pm

1 stop9h 30m

Lambert-St Louis

Thu 12/11

12:04 pm-11:08 am

1 stop22h 04m

$224

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Mon 12/8

2:07 pm-10:33 pm

1 stop9h 26m

Lambert-St Louis

Thu 12/11

3:30 pm-10:43 pm

2 stops30h 13m

$225

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Thu 2/19

2:49 pm-8:41 pm

1 stop6h 52m

Lambert-St Louis

Sat 2/21

5:50 pm-11:39 pm

1 stop4h 49m

$247

AlbanySt. Louis

ALB - STL

ALBSTL

Albany Intl

Tue 1/6

2:42 pm-8:06 pm

1 stop6h 24m

Lambert-St Louis

Wed 1/7

6:00 am-1:24 pm

1 stop6h 24m

$271

AlbanySt. Louis

ALB - STL

ALBSTL

Albany Intl

Tue 3/3

1:00 pm-7:00 pm

2 stops7h 00m

Lambert-St Louis

Wed 3/4

2:35 pm-10:05 pm

1 stop6h 30m

$282

AlbanySt. Louis

ALB - STL

ALBSTL

Albany Intl

Tue 3/3

1:00 pm-7:00 pm

2 stops7h 00m

Lambert-St Louis

Wed 3/4

6:50 am-5:00 pm

2 stops9h 10m

$308

AlbanySt. Louis

ALB - STL

ALBSTL

Albany Intl

Thu 12/11

5:50 am-2:23 pm

2 stops9h 33m

Lambert-St Louis

Sat 12/13

3:13 pm-9:14 pm

1 stop5h 01m

$326

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 Massachusetts 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 Massachusetts to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $382. The month of January is another great option to travel to St. Louis, with average flight prices from Massachusetts averaging around $393.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $422. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $501. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Massachusetts in the evening is the least expensive time of day to depart. momondo users have found prices as low as $432 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $457 per ticket.

What is the cheapest Massachusetts to Lambert-St Louis flight route?

Fly from Boston Logan Intl to Lambert-St Louis for the best Massachusetts - Lambert-St Louis flight prices

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

You are more likely to see cheaper flights to St. Louis from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $442 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Massachusetts for as low as $391 on momondo.

What cabin class options are available on Massachusetts to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Massachusetts to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Massachusetts to St. Louis flights?

You could potentially save up to 15% on your flight if you consider stops on a Massachusetts to St. Louis flight.

Cheap Massachusetts to St. Louis flight deals and tips

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

Best Price Found

$206

Fastest flight time

3h 05m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Massachusetts in the past 72 hours is $206. The best round-trip flight deal from Massachusetts to St. Louis found on momondo in the last 72 hours is $348.
The fastest flight from Massachusetts to St. Louis takes 3h 05m
Direct flights go from Massachusetts to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

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

    Prices for flights from Massachusetts to Lambert-St Louis Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Massachusetts 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 Massachusetts 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 plane model from Massachusetts to St. Louis?

Best airlines flying from Massachusetts to St. Louis

Compare and see reviews for airlines that fly from Massachusetts to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $83Free CancellationRating
6.3
8,159 reviews
Search Spirit Airlines flights
FrontierPriceFrom $110Free CancellationRating
5.8
3,100 reviews
Search Frontier flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,999 reviews
Search Delta flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
9,036 reviews
Search United Airlines flights
American AirlinesPriceFrom $297Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
SouthwestPriceFrom $322Free CancellationRating
8.0
4,251 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
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Massachusetts to St. Louis for you.

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

Yes. momondo allows you to filter the results for Massachusetts to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Massachusetts 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 Massachusetts.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Massachusetts and alert you when they change.

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 12/23
Tue 12/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States