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Cheap flights from Aguascalientes to St. Louis from $287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Aguascalientes to St. Louis departing on 7/8. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Aguascalientes to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:25 am - 12:11 pm
AGU
-
STL
28h 46m
3 stops
United Airlines Logo
1:38 pm - 7:27 pm
STL
-
AGU
30h 49m
2 stops
$579United Airlines
Wed, Jul 15 - Wed, Jul 22
United Airlines Logo
6:25 am - 10:59 pm
AGU
-
STL
15h 34m
2 stops
United Airlines Logo
6:15 am - 11:59 am
STL
-
AGU
6h 44m
1 stop
$591United Airlines
Sat, Sep 26 - Wed, Sep 30
United Airlines Logo
6:25 am - 10:59 pm
AGU
-
STL
15h 34m
2 stops
United Airlines Logo
9:04 am - 7:27 pm
STL
-
AGU
11h 23m
2 stops
$593United Airlines
Sat, Sep 26 - Wed, Sep 30
United Airlines Logo
6:25 am - 10:59 pm
AGU
-
STL
15h 34m
2 stops
United Airlines Logo
9:00 am - 7:27 pm
STL
-
AGU
11h 27m
2 stops
$596United Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
12:55 pm - 12:11 pm
AGU
-
STL
22h 16m
3 stops
United Airlines Logo
1:38 pm - 7:27 pm
STL
-
AGU
30h 49m
2 stops
$633United Airlines
Thu, Jul 9 - Sun, Jul 19
United Airlines Logo
6:25 am - 11:44 pm
AGU
-
STL
16h 19m
2 stops
United Airlines Logo
8:35 am - 7:27 pm
STL
-
AGU
11h 52m
1 stop
$755United Airlines
Wed, Jul 15 - Wed, Jul 22
United Airlines Logo
6:25 am - 10:45 pm
AGU
-
STL
15h 20m
1 stop
United Airlines Logo
8:35 am - 7:27 pm
STL
-
AGU
11h 52m
1 stop
$782United Airlines
Wed, Jul 15 - Wed, Jul 22
United Airlines Logo
6:25 am - 5:42 pm
AGU
-
STL
10h 17m
1 stop
United Airlines Logo
8:35 am - 7:27 pm
STL
-
AGU
11h 52m
1 stop
$882United Airlines
Thu, Jul 9 - Sun, Jul 19
Multiple Airlines Logo
11:22 am - 2:23 pm
AGU
-
STL
26h 01m
1 stop
Multiple Airlines Logo
6:34 am - 4:45 pm
STL
-
AGU
35h 11m
2 stops
$888Multiple Airlines
Sun, Jul 26 - Sun, Aug 2
American Airlines Logo
6:17 am - 6:30 pm
AGU
-
STL
11h 13m
1 stop
American Airlines Logo
8:38 am - 10:14 pm
STL
-
AGU
14h 36m
1 stop
$897American Airlines
Sun, Jul 26 - Sun, Aug 2

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United Airlines flights from Aguascalientes to St. Louis

Our best United Airlines deals on Aguascalientes to St. Louis flight tickets
United Airlines
Jul 15
AGU6:25 amAguascalients
28h 46m
3 stops
STL12:11 pmLambert-St Louis
Jul 22
STL1:38 pmLambert-St Louis
30h 49m
2 stops
AGU7:27 pmAguascalients
$579
United Airlines
Sep 26
AGU6:25 amAguascalients
15h 34m
2 stops
STL10:59 pmLambert-St Louis
Sep 30
STL6:15 amLambert-St Louis
6h 44m
1 stop
AGU11:59 amAguascalients
$593
United Airlines
Aug 28
AGU12:55 pmAguascalients
19h 44m
2 stops
STL9:39 amLambert-St Louis
Sep 1
STL3:13 pmLambert-St Louis
5h 14m
1 stop
AGU7:27 pmAguascalients
$596

momondo Fare Finder

 
Customize your flight search to find flights from Aguascalientes 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 June 16, 2026.
Use the filters below to find and compare flights from Aguascalientes to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Wed 7/15

6:25 am-12:11 pm

3 stops28h 46m

Lambert-St Louis

Wed 7/22

1:38 pm-7:27 pm

2 stops30h 49m

$579

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Sat 9/26

6:25 am-10:59 pm

2 stops15h 34m

Lambert-St Louis

Wed 9/30

6:15 am-11:59 am

1 stop6h 44m

$591

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Sat 9/26

6:25 am-10:59 pm

2 stops15h 34m

Lambert-St Louis

Wed 9/30

9:04 am-7:27 pm

2 stops11h 23m

$593

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Fri 8/28

6:25 am-10:59 pm

2 stops15h 34m

Lambert-St Louis

Tue 9/1

9:00 am-7:27 pm

2 stops11h 27m

$596

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Thu 7/9

12:55 pm-12:11 pm

3 stops22h 16m

Lambert-St Louis

Sun 7/19

1:38 pm-7:27 pm

2 stops30h 49m

$633

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Wed 7/15

6:25 am-11:44 pm

2 stops16h 19m

Lambert-St Louis

Wed 7/22

8:35 am-7:27 pm

1 stop11h 52m

$755

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Wed 7/15

6:25 am-10:45 pm

1 stop15h 20m

Lambert-St Louis

Wed 7/22

8:35 am-7:27 pm

1 stop11h 52m

$782
Quickest round-trip

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Thu 7/9

6:25 am-5:42 pm

1 stop10h 17m

Lambert-St Louis

Sun 7/19

8:35 am-7:27 pm

1 stop11h 52m

$882

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Sun 7/26

11:22 am-2:23 pm

1 stop26h 01m

Lambert-St Louis

Sun 8/2

6:34 am-4:45 pm

2 stops35h 11m

$888

AguascalientesSt. Louis

AGU - STL

AGUSTL

Aguascalients

Sun 7/26

6:17 am-6:30 pm

1 stop11h 13m

Lambert-St Louis

Sun 8/2

8:38 am-10:14 pm

1 stop14h 36m

$897

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Aguascalientes 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 airline that flies from Aguascalients to Lambert-St Louis?

United Airlines is the most popular carrier operating from Aguascalients to Lambert-St Louis

When to book flights from Aguascalientes to St. Louis

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

Cheap Aguascalientes to St. Louis (AGU to STL) flight deals and tips

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

Fastest flight time

15h 34m

Direct flights

None
The fastest flight from Aguascalientes to St. Louis takes 15h 34m
There are no direct flights from Aguascalientes to St. Louis. There are no popular flight routes from Aguascalientes to St. Louis.
Search flight deals

Frequently asked questions about flying from Aguascalientes to St. Louis

  • How far is Aguascalients to Lambert-St Louis by plane?

    The distance between Aguascalients and Lambert-St Louis is about 1359.5 mi. A reasonable flight in good conditions will take 15h 34m.

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

    Prices for flights from Aguascalients Airport to Lambert-St Louis Airport are updated daily.

  • How old do you have to be to fly from Aguascalients 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 Aguascalients 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.

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
St. Peters
Collinsville
Alton
Wentzville
Clayton
Fenton
Farmington
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Aguascalientes 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 Aguascalientes.

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

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

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

momondo helps you find the best flight between Aguascalientes and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Aguascalientes 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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