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Cheap flights from Peru to St. Louis from $312

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Peru to St. Louis departing on 5/31. 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.

Find the cheapest flights from Peru to St. Louis

Recent round-trip flight deals from Peru to St. Louis

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:50 am - 5:37 pm
LIM
-
STL
55h 47m
2 stops
Multiple Airlines Logo
6:30 am - 11:55 pm
STL
-
LIM
17h 25m
1 stop
$872Multiple Airlines
Tue, Jul 14 - Wed, Aug 12
American Airlines Logo
11:45 pm - 4:41 pm
LIM
-
STL
16h 56m
2 stops
American Airlines Logo
7:44 am - 10:15 pm
STL
-
LIM
14h 31m
2 stops
$876American Airlines
Tue, Sep 1 - Thu, Sep 24
Multiple Airlines Logo
12:55 am - 11:49 pm
LIM
-
STL
22h 54m
3 stops
Multiple Airlines Logo
3:34 pm - 5:01 am
STL
-
LIM
37h 27m
3 stops
$893Multiple Airlines
Mon, Jun 29 - Tue, Jul 28
Multiple Airlines Logo
12:55 am - 11:49 pm
LIM
-
STL
22h 54m
3 stops
Multiple Airlines Logo
4:09 pm - 5:01 am
STL
-
LIM
36h 52m
2 stops
$908Multiple Airlines
Mon, Jun 29 - Tue, Jul 28
LATAM Airlines Logo
12:05 pm - 9:46 am
LIM
-
STL
21h 41m
1 stop
LATAM Airlines Logo
6:00 am - 8:20 pm
STL
-
LIM
14h 20m
2 stops
$911LATAM Airlines
Wed, Jul 1 - Tue, Jul 28
American Airlines Logo
6:30 am - 10:53 pm
LIM
-
STL
16h 23m
1 stop
American Airlines Logo
5:00 am - 8:30 pm
STL
-
LIM
15h 30m
1 stop
$912American Airlines
Tue, Jul 14 - Wed, Aug 12
American Airlines Logo
6:30 am - 8:55 pm
LIM
-
STL
14h 25m
2 stops
American Airlines Logo
8:34 am - 10:25 pm
STL
-
LIM
13h 51m
2 stops
$916American Airlines
Tue, Jul 14 - Wed, Aug 12
Delta Logo
12:15 am - 6:02 pm
LIM
-
STL
17h 47m
2 stops
Delta Logo
10:45 am - 5:00 am
STL
-
LIM
18h 15m
2 stops
$917Delta
Fri, Sep 18 - Sat, Sep 26
LATAM Airlines Logo
12:05 am - 6:02 pm
LIM
-
STL
17h 57m
1 stop
LATAM Airlines Logo
7:05 pm - 8:20 pm
STL
-
LIM
25h 15m
2 stops
$926LATAM Airlines
Fri, Sep 18 - Sat, Sep 26
American Airlines Logo
6:55 am - 11:12 pm
LIM
-
STL
16h 17m
1 stop
American Airlines Logo
5:33 am - 3:10 am
STL
-
LIM
21h 37m
1 stop
$928American Airlines
Sat, Sep 19 - Sat, Sep 26

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LATAM Airlines flights from Peru to St. Louis

Our best LATAM Airlines deals on Peru to St. Louis flight tickets
LATAM Airlines
Jul 1
LIM12:05 pmLima J Chavez Intl
21h 41m
1 stop
STL9:46 amLambert-St Louis
Jul 28
STL6:00 amLambert-St Louis
14h 20m
2 stops
LIM8:20 pmLima J Chavez Intl
$911
LATAM Airlines
Sep 18
LIM12:05 amLima J Chavez Intl
12h 48m
1 stop
STL12:53 pmLambert-St Louis
Sep 26
STL6:00 amLambert-St Louis
14h 55m
2 stops
LIM8:55 pmLima J Chavez Intl
$926
LATAM Airlines
Jun 30
LIM12:05 pmLima J Chavez Intl
11h 51m
1 stop
STL11:56 pmLambert-St Louis
Jul 28
STL6:00 amLambert-St Louis
15h 55m
1 stop
LIM9:55 pmLima J Chavez Intl
$932

American Airlines flights from Peru to St. Louis

Our best American Airlines deals on Peru to St. Louis flight tickets
American Airlines
Sep 1
LIM11:45 pmLima J Chavez Intl
16h 56m
2 stops
STL4:41 pmLambert-St Louis
Sep 24
STL7:44 amLambert-St Louis
14h 31m
2 stops
LIM10:15 pmLima J Chavez Intl
$876
American Airlines
Jul 14
LIM6:30 amLima J Chavez Intl
16h 23m
1 stop
STL10:53 pmLambert-St Louis
Aug 12
STL5:00 amLambert-St Louis
15h 30m
1 stop
LIM8:30 pmLima J Chavez Intl
$912
American Airlines
Jul 14
LIM6:30 amLima J Chavez Intl
14h 25m
2 stops
STL8:55 pmLambert-St Louis
Aug 12
STL8:34 amLambert-St Louis
13h 51m
2 stops
LIM10:25 pmLima J Chavez Intl
$916

momondo Fare Finder

 
Customize your flight search to find flights from Peru 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 4, 2026.
Use the filters below to find and compare flights from Peru to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Tue 7/14

9:50 am-5:37 pm

2 stops55h 47m

Lambert-St Louis

Wed 8/12

6:30 am-11:55 pm

1 stop17h 25m

$872

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Tue 9/1

11:45 pm-4:41 pm

2 stops16h 56m

Lambert-St Louis

Thu 9/24

7:44 am-10:15 pm

2 stops14h 31m

$876

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Mon 6/29

12:55 am-11:49 pm

3 stops22h 54m

Lambert-St Louis

Tue 7/28

3:34 pm-5:01 am

3 stops37h 27m

$893

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Mon 6/29

12:55 am-11:49 pm

3 stops22h 54m

Lambert-St Louis

Tue 7/28

4:09 pm-5:01 am

2 stops36h 52m

$908

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 7/1

12:05 pm-9:46 am

1 stop21h 41m

Lambert-St Louis

Tue 7/28

6:00 am-8:20 pm

2 stops14h 20m

$911

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Tue 7/14

6:30 am-10:53 pm

1 stop16h 23m

Lambert-St Louis

Wed 8/12

5:00 am-8:30 pm

1 stop15h 30m

$912
Quickest round-trip

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Tue 7/14

6:30 am-8:55 pm

2 stops14h 25m

Lambert-St Louis

Wed 8/12

8:34 am-10:25 pm

2 stops13h 51m

$916

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 9/18

12:15 am-6:02 pm

2 stops17h 47m

Lambert-St Louis

Sat 9/26

10:45 am-5:00 am

2 stops18h 15m

$917

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 9/18

12:05 am-6:02 pm

1 stop17h 57m

Lambert-St Louis

Sat 9/26

7:05 pm-8:20 pm

2 stops25h 15m

$926

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 9/19

6:55 am-11:12 pm

1 stop16h 17m

Lambert-St Louis

Sat 9/26

5:33 am-3:10 am

1 stop21h 37m

$928

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Peru 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, November is the cheapest month to fly from Peru to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of January is another great option to travel to St. Louis, with average flight prices from Peru averaging around $387.

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

You could potentially save up to 42% on your flight if you consider stops on a Peru to St. Louis flight.

Cheap Peru to St. Louis flight deals and tips

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

Fastest flight time

14h 42m

Direct flights

None
The fastest flight from Peru to St. Louis takes 14h 42m
There are no direct flights from Peru to St. Louis. There are no popular flight routes from Peru to St. Louis.
Search flight deals

Frequently asked questions about flying from Peru to St. Louis

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

    Prices for flights from Peru to Lambert-St Louis Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Peru 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.

Best airlines flying from Peru to St. Louis

Compare and see reviews for airlines that fly from Peru to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $880Free CancellationRating
7.4
1,915 reviews
Search LATAM Airlines 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 Peru to St. Louis?

Finding the right flight to St. Louis from Peru is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Peru with this policy.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Peru. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Peru to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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