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Cheap flights from Peru to St. Louis from $364

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 7/14. 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 Peru to St. Louis

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

Enter your travel dates to find the best prices.
American Airlines Logo
10:00 pm - 1:23 pm
LIM
-
STL
15h 23m
1 stop
American Airlines Logo
5:00 am - 4:10 am
STL
-
LIM
23h 10m
1 stop
$936American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
10:00 pm - 1:23 pm
LIM
-
STL
15h 23m
1 stop
American Airlines Logo
5:00 am - 4:10 am
STL
-
LIM
23h 10m
1 stop
$938American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
10:00 pm - 1:23 pm
LIM
-
STL
15h 23m
1 stop
American Airlines Logo
5:00 am - 4:10 am
STL
-
LIM
23h 10m
1 stop
$940American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
11:45 pm - 1:23 pm
LIM
-
STL
13h 38m
1 stop
American Airlines Logo
5:43 am - 8:30 pm
STL
-
LIM
14h 47m
2 stops
$941American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
11:45 pm - 1:23 pm
LIM
-
STL
13h 38m
1 stop
American Airlines Logo
7:27 am - 8:30 pm
STL
-
LIM
13h 03m
2 stops
$943American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
11:45 pm - 1:23 pm
LIM
-
STL
13h 38m
1 stop
American Airlines Logo
5:43 am - 8:30 pm
STL
-
LIM
14h 47m
2 stops
$945American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
11:45 pm - 10:40 pm
LIM
-
STL
22h 55m
1 stop
American Airlines Logo
11:35 am - 4:10 am
STL
-
LIM
16h 35m
1 stop
$952American Airlines
Wed, Aug 5 - Wed, Aug 19
American Airlines Logo
11:45 pm - 10:45 am
LIM
-
STL
11h 00m
1 stop
American Airlines Logo
6:00 am - 8:30 pm
STL
-
LIM
14h 30m
2 stops
$957American Airlines
Wed, Aug 5 - Wed, Aug 19
American Airlines Logo
6:30 am - 10:42 pm
LIM
-
STL
16h 12m
2 stops
American Airlines Logo
1:54 pm - 4:10 am
STL
-
LIM
14h 16m
2 stops
$970American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
6:30 am - 10:42 pm
LIM
-
STL
16h 12m
2 stops
American Airlines Logo
1:49 pm - 4:10 am
STL
-
LIM
14h 21m
2 stops
$973American 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
Aug 5
LIM12:05 pmLima J Chavez Intl
11h 16m
1 stop
STL11:21 pmLambert-St Louis
Aug 19
STL6:00 amLambert-St Louis
14h 20m
2 stops
LIM8:20 pmLima J Chavez Intl
$978
LATAM Airlines
Oct 22
LIM12:05 amLima J Chavez Intl
17h 56m
1 stop
STL6:01 pmLambert-St Louis
Oct 27
STL1:30 pmLambert-St Louis
15h 30m
1 stop
LIM5:00 amLima J Chavez Intl
$997
LATAM Airlines
Oct 22
LIM12:10 amLima J Chavez Intl
17h 51m
2 stops
STL6:01 pmLambert-St Louis
Oct 27
STL6:00 amLambert-St Louis
15h 40m
2 stops
LIM9:40 pmLima J Chavez Intl
$1,001

Delta flights from Peru to St. Louis

Our best Delta deals on Peru to St. Louis flight tickets
Delta
Jun 30
LIM12:05 amLima J Chavez Intl
22h 13m
1 stop
STL10:18 pmLambert-St Louis
Jul 27
STL9:24 amLambert-St Louis
12h 31m
1 stop
LIM9:55 pmLima J Chavez Intl
$1,132
Delta
Jun 20
LIM8:15 amLima J Chavez Intl
15h 31m
2 stops
STL11:46 pmLambert-St Louis
Jun 30
STL6:00 amLambert-St Louis
14h 20m
2 stops
LIM8:20 pmLima J Chavez Intl
$1,368

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 June 18, 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

Sat 9/19

10:00 pm-1:23 pm

1 stop15h 23m

Lambert-St Louis

Sat 9/26

5:00 am-4:10 am

1 stop23h 10m

$936

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 9/19

10:00 pm-1:23 pm

1 stop15h 23m

Lambert-St Louis

Sat 9/26

5:00 am-4:10 am

1 stop23h 10m

$938

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 9/19

10:00 pm-1:23 pm

1 stop15h 23m

Lambert-St Louis

Sat 9/26

5:00 am-4:10 am

1 stop23h 10m

$940

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 9/19

11:45 pm-1:23 pm

1 stop13h 38m

Lambert-St Louis

Sat 9/26

5:43 am-8:30 pm

2 stops14h 47m

$941

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 9/19

11:45 pm-1:23 pm

1 stop13h 38m

Lambert-St Louis

Sat 9/26

7:27 am-8:30 pm

2 stops13h 03m

$943

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 9/19

11:45 pm-1:23 pm

1 stop13h 38m

Lambert-St Louis

Sat 9/26

5:43 am-8:30 pm

2 stops14h 47m

$945

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 8/5

11:45 pm-10:40 pm

1 stop22h 55m

Lambert-St Louis

Wed 8/19

11:35 am-4:10 am

1 stop16h 35m

$952
Quickest round-trip

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 8/5

11:45 pm-10:45 am

1 stop11h 00m

Lambert-St Louis

Wed 8/19

6:00 am-8:30 pm

2 stops14h 30m

$957

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 9/19

6:30 am-10:42 pm

2 stops16h 12m

Lambert-St Louis

Sat 9/26

1:54 pm-4:10 am

2 stops14h 16m

$970

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 9/19

6:30 am-10:42 pm

2 stops16h 12m

Lambert-St Louis

Sat 9/26

1:49 pm-4:10 am

2 stops14h 21m

$973

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, May 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 April is another great option to travel to St. Louis, with average flight prices from Peru averaging around $0.

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

You could potentially save up to 28% 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

16h 41m

Direct flights

None
The fastest flight from Peru to St. Louis takes 16h 41m
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 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.

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 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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1 adult
Sat 7/18
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