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Cheap flights from Peru to St. Louis from $353

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 10/2. 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

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
1:00 am - 9:40 amLIM  Lima J Chavez Intl-STL Lambert-St Louis
32h 40m2 stops Miami Atlanta Hartsfield-Jackson
Multiple Airlines Logo
5:37 pm - 5:00 amSTL  Lambert-St Louis-LIM Lima J Chavez Intl
10h 23m1 stop Atlanta Hartsfield-Jackson
$857Multiple Airlines
Tue, Oct 6 - Thu, Nov 26
Multiple Airlines Logo
1:00 am - 9:40 amLIM  Lima J Chavez Intl-STL Lambert-St Louis
32h 40m2 stops Miami Atlanta Hartsfield-Jackson
Multiple Airlines Logo
5:38 pm - 5:00 amSTL  Lambert-St Louis-LIM Lima J Chavez Intl
10h 22m1 stop Atlanta Hartsfield-Jackson
$861Multiple Airlines
Sun, Oct 18 - Thu, Nov 5
United Airlines Logo
12:50 am - 12:10 pmLIM  Lima J Chavez Intl-STL Lambert-St Louis
35h 20m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
9:40 am - 11:55 pmSTL  Lambert-St Louis-LIM Lima J Chavez Intl
37h 15m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$870United Airlines
Sun, Oct 25 - Wed, Nov 25
Multiple Airlines Logo
12:05 pm - 11:58 pmLIM  Lima J Chavez Intl-STL Lambert-St Louis
11h 53m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
2:29 pm - 11:10 pmSTL  Lambert-St Louis-LIM Lima J Chavez Intl
32h 41m2 stops Atlanta Hartsfield-Jackson Miami
$870Multiple Airlines
Fri, Sep 4 - Fri, Sep 11
American Airlines Logo
11:45 pm - 5:27 pmLIM  Lima J Chavez Intl-STL Lambert-St Louis
17h 42m1 stop Miami
American Airlines Logo
10:38 am - 9:32 pmSTL  Lambert-St Louis-LIM Lima J Chavez Intl
9h 54m1 stop Miami
$879American Airlines
Wed, Oct 7 - Thu, Nov 26
American Airlines Logo
6:30 am - 9:59 pmLIM  Lima J Chavez Intl-STL Lambert-St Louis
15h 29m2 stops Miami Dallas/Fort Worth
American Airlines Logo
2:54 pm - 5:14 amSTL  Lambert-St Louis-LIM Lima J Chavez Intl
13h 20m2 stops Dallas/Fort Worth Miami
$883American Airlines
Wed, Oct 7 - Thu, Nov 26
American Airlines Logo
12:45 am - 11:09 amLIM  Lima J Chavez Intl-STL Lambert-St Louis
11h 24m1 stop Miami
American Airlines Logo
5:15 am - 11:25 pmSTL  Lambert-St Louis-LIM Lima J Chavez Intl
17h 10m1 stop Miami
$890American Airlines
Sat, Dec 19 - Sun, Jan 10
American Airlines Logo
12:45 am - 5:27 pmLIM  Lima J Chavez Intl-STL Lambert-St Louis
16h 42m1 stop Miami
American Airlines Logo
5:00 am - 11:27 pmSTL  Lambert-St Louis-LIM Lima J Chavez Intl
17h 27m1 stop Miami
$890American Airlines
Sun, Oct 25 - Wed, Nov 25
Delta Logo
1:30 pm - 10:55 amLIM  Lima J Chavez Intl-STL Lambert-St Louis
21h 25m2 stops Miami Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 8:20 pmSTL  Lambert-St Louis-LIM Lima J Chavez Intl
14h 20m2 stops Atlanta Hartsfield-Jackson Bogotá El Dorado
$943Delta
Sat, Sep 19 - Sat, Sep 26
Delta Logo
12:15 am - 11:42 pmLIM  Lima J Chavez Intl-STL Lambert-St Louis
23h 27m2 stops Miami Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 8:20 pmSTL  Lambert-St Louis-LIM Lima J Chavez Intl
14h 20m2 stops Atlanta Hartsfield-Jackson Bogotá El Dorado
$1,061Delta
Fri, Sep 18 - 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
Sep 19
LIM12:05 pmLima J Chavez Intl
20h 55m
1 stop
STL9:00 amLambert-St Louis
Sep 26
STL6:00 amLambert-St Louis
14h 20m
2 stops
LIM8:20 pmLima J Chavez Intl
$932
LATAM Airlines
Oct 15
LIM8:55 amLima J Chavez Intl
14h 59m
2 stops
STL11:54 pmLambert-St Louis
Oct 19
STL6:00 amLambert-St Louis
15h 35m
2 stops
LIM9:35 pmLima J Chavez Intl
$952
LATAM Airlines
Oct 15
LIM12:05 pmLima J Chavez Intl
21h 04m
1 stop
STL9:09 amLambert-St Louis
Oct 19
STL6:00 amLambert-St Louis
23h 00m
2 stops
LIM5:00 amLima J Chavez Intl
$957

United Airlines flights from Peru to St. Louis

Our best United Airlines deals on Peru to St. Louis flight tickets
United Airlines
Oct 25
LIM12:50 amLima J Chavez Intl
35h 20m
2 stops
STL12:10 pmLambert-St Louis
Nov 25
STL9:40 amLambert-St Louis
37h 15m
2 stops
LIM11:55 pmLima J Chavez Intl
$870
United Airlines
Sep 27
LIM12:55 amLima J Chavez Intl
44h 26m
2 stops
STL9:21 pmLambert-St Louis
Oct 10
STL4:50 pmLambert-St Louis
28h 35m
1 stop
LIM9:25 pmLima J Chavez Intl
$923
United Airlines
Sep 27
LIM12:55 amLima J Chavez Intl
21h 35m
1 stop
STL10:30 pmLambert-St Louis
Oct 10
STL4:50 pmLambert-St Louis
28h 35m
1 stop
LIM9:25 pmLima J Chavez Intl
$977

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 August 6, 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 Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Tue 10/6

1:00 am-9:40 am

2 stops32h 40m

Lambert-St Louis

Thu 11/26

5:37 pm-5:00 am

1 stop10h 23m

$857

LimaSt. Louis

LIM Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Sun 10/18

1:00 am-9:40 am

2 stops32h 40m

Lambert-St Louis

Thu 11/5

5:38 pm-5:00 am

1 stop10h 22m

$861

LimaSt. Louis

LIM Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Sun 10/25

12:50 am-12:10 pm

2 stops35h 20m

Lambert-St Louis

Wed 11/25

9:40 am-11:55 pm

2 stops37h 15m

$870

LimaSt. Louis

LIM Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Fri 9/4

12:05 pm-11:58 pm

1 stop11h 53m

Lambert-St Louis

Fri 9/11

2:29 pm-11:10 pm

2 stops32h 41m

$870
Quickest round-trip

LimaSt. Louis

LIM Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Wed 10/7

11:45 pm-5:27 pm

1 stop17h 42m

Lambert-St Louis

Thu 11/26

10:38 am-9:32 pm

1 stop9h 54m

$879

LimaSt. Louis

LIM Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Wed 10/7

6:30 am-9:59 pm

2 stops15h 29m

Lambert-St Louis

Thu 11/26

2:54 pm-5:14 am

2 stops13h 20m

$883

LimaSt. Louis

LIM Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Sat 12/19

12:45 am-11:09 am

1 stop11h 24m

Lambert-St Louis

Sun 1/10

5:15 am-11:25 pm

1 stop17h 10m

$890

LimaSt. Louis

LIM Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Sun 10/25

12:45 am-5:27 pm

1 stop16h 42m

Lambert-St Louis

Wed 11/25

5:00 am-11:27 pm

1 stop17h 27m

$890

LimaSt. Louis

LIM Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Sat 9/19

1:30 pm-10:55 am

2 stops21h 25m

Lambert-St Louis

Sat 9/26

6:00 am-8:20 pm

2 stops14h 20m

$943

LimaSt. Louis

LIM Lima J Chavez Intl - STL Lambert-St Louis

LIMSTL

Lima J Chavez Intl

Fri 9/18

12:15 am-11:42 pm

2 stops23h 27m

Lambert-St Louis

Sat 9/26

6:00 am-8:20 pm

2 stops14h 20m

$1,061

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 10% 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

21h 25m

Direct flights

None
The fastest flight from Peru to St. Louis takes 21h 25m
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
DeltaPriceFrom $316Free CancellationRating
7.8
8,491 reviews
Search Delta flights
American AirlinesPriceFrom $878Free CancellationRating
7.1
11,867 reviews
Search American 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
Fairview Heights
Hermann
St. Peters
Maryland Heights
Florissant
Collinsville
Alton
O'Fallon
Clayton
Farmington
Fenton
Wentzville
Festus
Eureka
Edwardsville
Litchfield
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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