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Cheap flights from Baltimore to St. Louis from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to St. Louis departing on 1/18. 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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Find the cheapest flights from Baltimore to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Baltimore to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Baltimore to St. Louis.

Cheap last minute flights

Planning a quick getaway from Baltimore to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Baltimore to St. Louis

Find recent round-trip train or bus tickets from Baltimore to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
9:20 pm - 11:31 pmBWI-STL
27h 11m1 stop
5:05 pm - 8:06 amSTL-BWI
14h 01m1 stop
$118Frontier
Find Deal
Mon, Feb 3 - Wed, Feb 5
9:15 am - 11:24 pmBWI-STL
15h 09m1 stop
5:02 pm - 9:10 amSTL-BWI
15h 08m1 stop
$128Frontier
Find Deal
Sun, Dec 8 - Tue, Dec 10
5:00 am - 3:21 pmBWI-STL
11h 21m1 stop
4:26 pm - 11:15 amSTL-BWI
17h 49m2 stops
$192Spirit Airlines
Find Deal
Sun, Dec 8 - Tue, Dec 10
6:00 am - 9:35 amBWI-STL
4h 35m1 stop
7:05 pm - 12:38 amSTL-BWI
4h 33m1 stop
$216Delta
Find Deal
Thu, Dec 12 - Thu, Dec 12
5:00 am - 3:21 pmBWI-STL
11h 21m1 stop
4:26 pm - 8:26 pmSTL-BWI
27h 00m3 stops
$223Spirit Airlines
Find Deal
Sun, Dec 8 - Tue, Dec 10
8:15 am - 2:53 pmBWI-STL
7h 38m1 stop
7:07 pm - 12:38 amSTL-BWI
4h 31m1 stop
$226Delta
Find Deal
Thu, Dec 19 - Thu, Dec 19
3:30 pm - 7:05 pmBWI-STL
4h 35m1 stop
9:25 pm - 12:20 amSTL-BWI
1h 55mnonstop
$262Southwest
Find Deal
Thu, Dec 19 - Thu, Dec 19
7:30 am - 8:55 amBWI-STL
2h 25mnonstop
6:20 am - 9:20 amSTL-BWI
2h 00mnonstop
$278Southwest
Find Deal
Tue, Dec 17 - Tue, Dec 24
5:00 am - 8:50 amBWI-STL
4h 50m1 stop
9:36 am - 4:35 pmSTL-BWI
5h 59m1 stop
$310American Airlines
Find Deal
Fri, Dec 20 - Wed, Jan 8
5:00 am - 8:50 amBWI-STL
4h 50m1 stop
5:03 am - 12:45 pmSTL-BWI
6h 42m1 stop
$319American Airlines
Find Deal
Thu, Dec 26 - Tue, Dec 31
8:31 pm - 7:22 amBWI-STL
11h 51m1 stop
$60Frontier
Find Deal
Sat, Jan 18
4:22 pm - 11:43 pmBWI-STL
8h 21m1 stop
$64Frontier
Find Deal
Sun, Feb 23
8:50 pm - 2:43 pmBWI-STL
18h 53m2 stops
$106Spirit Airlines
Find Deal
Mon, Jan 13
2:01 pm - 6:45 pmBWI-STL
5h 44m1 stop
$108Delta
Find Deal
Wed, Jan 8
11:39 am - 3:21 pmBWI-STL
28h 42m3 stops
$109Spirit Airlines
Find Deal
Mon, Dec 16
8:15 am - 2:53 pmBWI-STL
7h 38m1 stop
$118Delta
Find Deal
Thu, Dec 19
5:00 am - 8:50 amBWI-STL
4h 50m1 stop
$128American Airlines
Find Deal
Mon, Dec 30
7:35 am - 9:10 amBWI-STL
2h 35mnonstop
$129Southwest
Find Deal
Wed, Feb 5
7:35 am - 9:10 amBWI-STL
2h 35mnonstop
$139Southwest
Find Deal
Wed, Jan 8
5:00 am - 8:50 amBWI-STL
4h 50m1 stop
$158American Airlines
Find Deal
Fri, Jan 3
8:38 pm - 6:40 amBWI-STL
11h 02m1 stop
1:34 pm - 1:21 pmSTL-BWI
22h 47m1 stop
$328Frontier
Find Deal
Sat, Nov 23 - Sun, Nov 24
2:11 pm - 12:06 amBWI-STL
10h 55m1 stop
6:32 pm - 9:19 amSTL-BWI
13h 47m1 stop
$337Frontier
Find Deal
Mon, Nov 25 - Wed, Nov 27
10:18 pm - 4:26 pmBWI-STL
19h 08m2 stops
5:21 pm - 10:52 amSTL-BWI
16h 31m2 stops
$585Spirit Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
6:30 am - 4:26 pmBWI-STL
10h 56m1 stop
5:21 pm - 1:29 amSTL-BWI
7h 08m1 stop
$605Spirit Airlines
Find Deal
Sun, Nov 24 - Tue, Nov 26
3:30 pm - 7:05 pmBWI-STL
4h 35m1 stop
8:15 pm - 11:10 pmSTL-BWI
1h 55mnonstop
$625Southwest
Find Deal
Mon, Nov 25 - Wed, Nov 27
9:14 am - 1:27 pmBWI-STL
5h 13m1 stop
6:34 pm - 12:33 amSTL-BWI
4h 59m1 stop
$650American Airlines
Find Deal
Tue, Nov 26 - Sat, Nov 30
6:21 pm - 11:41 pmBWI-STL
6h 20m1 stop
6:30 am - 11:39 amSTL-BWI
4h 09m1 stop
$673Delta
Find Deal
Sun, Nov 24 - Wed, Nov 27
8:00 am - 12:04 pmBWI-STL
5h 04m1 stop
6:00 pm - 11:31 pmSTL-BWI
4h 31m1 stop
$693Delta
Find Deal
Fri, Nov 22 - Tue, Dec 3
3:30 pm - 7:05 pmBWI-STL
4h 35m1 stop
11:20 am - 2:20 pmSTL-BWI
2h 00mnonstop
$732Southwest
Find Deal
Mon, Nov 25 - Thu, Nov 28
5:29 pm - 11:58 pmBWI-STL
7h 29m1 stop
3:44 pm - 12:33 amSTL-BWI
7h 49m2 stops
$965American Airlines
Find Deal
Fri, Nov 22 - Sat, Nov 30
7:30 am - 8:55 amBWI-STL
2h 25mnonstop
6:20 am - 9:20 amSTL-BWI
2h 00mnonstop
$278Southwest
Find Deal
Tue, Dec 17 - Tue, Dec 24
7:30 am - 8:55 amBWI-STL
2h 25mnonstop
6:40 am - 9:40 amSTL-BWI
2h 00mnonstop
$283Southwest
Find Deal
Thu, Dec 12 - Sat, Dec 14
7:35 am - 9:10 amBWI-STL
2h 35mnonstop
3:35 pm - 6:35 pmSTL-BWI
2h 00mnonstop
$293Southwest
Find Deal
Tue, Jan 21 - Thu, Jan 23
8:50 pm - 10:15 pmBWI-STL
2h 25mnonstop
6:50 am - 9:50 amSTL-BWI
2h 00mnonstop
$298Southwest
Find Deal
Thu, Jan 16 - Sun, Jan 19
9:45 pm - 11:10 pmBWI-STL
2h 25mnonstop
6:20 am - 9:20 amSTL-BWI
2h 00mnonstop
$303Southwest
Find Deal
Fri, Dec 13 - Mon, Dec 16
7:00 am - 8:30 amBWI-STL
2h 30mnonstop
9:25 pm - 12:20 amSTL-BWI
1h 55mnonstop
$308Southwest
Find Deal
Thu, Dec 19 - Thu, Dec 19
10:00 pm - 11:25 pmBWI-STL
2h 25mnonstop
6:10 am - 9:10 amSTL-BWI
2h 00mnonstop
$318Southwest
Find Deal
Sun, Feb 16 - Fri, Feb 21
7:35 am - 9:10 amBWI-STL
2h 35mnonstop
6:50 am - 9:50 amSTL-BWI
2h 00mnonstop
$323Southwest
Find Deal
Fri, Jan 10 - Sun, Jan 19
10:30 pm - 11:50 pmBWI-STL
2h 20mnonstop
6:20 am - 9:20 amSTL-BWI
2h 00mnonstop
$341Southwest
Find Deal
Thu, Dec 26 - Tue, Dec 31
7:20 pm - 8:45 pmBWI-STL
2h 25mnonstop
8:15 pm - 11:10 pmSTL-BWI
1h 55mnonstop
$346Southwest
Find Deal
Tue, Dec 24 - Sun, Dec 29

Frontier flights from Baltimore to St. Louis

Our best Frontier deals on Baltimore to St. Louis flight tickets
Frontier
Feb 3
BWI9:20 pmBaltimore/Washington
27h 11m
1 stop
STL11:31 pmLambert-St Louis
Feb 5
STL5:05 pmLambert-St Louis
14h 01m
1 stop
BWI8:06 amBaltimore/Washington
Frontier
Dec 8
BWI9:15 amBaltimore/Washington
15h 09m
1 stop
STL11:24 pmLambert-St Louis
Dec 10
STL5:02 pmLambert-St Louis
15h 08m
1 stop
BWI9:10 amBaltimore/Washington
Frontier
Dec 10
BWI10:10 amBaltimore/Washington
14h 14m
1 stop
STL11:24 pmLambert-St Louis
Dec 19
STL10:09 pmLambert-St Louis
14h 17m
1 stop
BWI1:26 pmBaltimore/Washington

Spirit Airlines flights from Baltimore to St. Louis

Our best Spirit Airlines deals on Baltimore to St. Louis flight tickets
Spirit Airlines
Dec 8
BWI5:00 amBaltimore/Washington
11h 21m
1 stop
STL3:21 pmLambert-St Louis
Dec 10
STL4:26 pmLambert-St Louis
17h 49m
2 stops
BWI11:15 amBaltimore/Washington
Spirit Airlines
Dec 8
BWI5:00 amBaltimore/Washington
11h 21m
1 stop
STL3:21 pmLambert-St Louis
Dec 10
STL4:26 pmLambert-St Louis
27h 00m
3 stops
BWI8:26 pmBaltimore/Washington
Spirit Airlines
Jan 21
BWI6:20 amBaltimore/Washington
9h 23m
1 stop
STL2:43 pmLambert-St Louis
Jan 23
STL3:48 pmLambert-St Louis
7h 11m
1 stop
BWI11:59 pmBaltimore/Washington

See travel insights to St. Louis from

How to get the cheapest flight ticket from Baltimore 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, January is the cheapest month to fly from Baltimore to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $283. The month of August is another great option to travel to St. Louis, with average flight prices from Baltimore averaging around $289.

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 Saturday when prices can be found for as low as $308. 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 $356. 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 Baltimore in the evening is the least expensive time of day to depart. momondo users have found prices as low as $295 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $353 per ticket.

What is the cheapest Baltimore/Washington to Lambert-St Louis flight route?

Fly from Baltimore/Washington to Lambert-St Louis for the best Baltimore/Washington - Lambert-St Louis flight prices

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

The best time to book a flight to St. Louis from Baltimore is 44 days out, which is when prices tend to be around $315. In the past 72 hours, momondo users found flights from Baltimore to St. Louis for as low as $209.

What cabin class options are available on Baltimore/Washington to Lambert-St Louis flights?

There are 1 cabin classes available to choose from on Baltimore/Washington 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 Baltimore to St. Louis flights?

You could potentially save up to 53% on your flight if you consider stops on a Baltimore to St. Louis flight.

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

As of November 2024, prices for Baltimore to St. Louis flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Baltimore to St. Louis

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

Cheap Baltimore to St. Louis (BWI to STL) flight deals and tips

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

Best Price Found

$60

Fastest flight time

2h 20m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Baltimore in the past 72 hours is $60. The best round-trip flight deal from Baltimore to St. Louis found on momondo in the last 72 hours is $118.
The fastest flight from Baltimore to St. Louis takes 2h 20m
Direct flights go from Baltimore to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Baltimore/Washington to Lambert-St Louis by plane?

    There are 730.2 mi between Baltimore/Washington and Lambert-St Louis. A reasonable flight in good conditions will take 2h 20m.

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

    Prices for flights from Baltimore/Washington Airport to Lambert-St Louis Airport refresh daily.

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

  • How old do you have to be to fly from Baltimore/Washington Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Baltimore/Washington Airport to Lambert-St Louis Airport.

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

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Baltimore to St. Louis?

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


Best airlines flying from Baltimore to St. Louis

Compare and see reviews for airlines that fly from Baltimore to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $98Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $133Free CancellationRating
6.3
8,169 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
DeltaPriceFrom $176Free CancellationRating
8.0
8,755 reviews
Search Delta flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $240Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
  • Southwest Flights From Baltimore to St. Louis

    Southwest is one of the most popular airlines flying from Baltimore to St. Louis, operating 24 flights/week on average for this route. A good Southwest flight deal for Baltimore to St. Louis starts from $240 round-trip, up to an average price of $381. Our users have rated Southwest at 8.1/10.


Why use momondo?

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

It is quick and easy to find Baltimore to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

momondo does allow users to show only those flights to St. Louis from Baltimore which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Baltimore to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Baltimore to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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