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Cheap flights from Peru to St. Louis from $316

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 5/8. 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

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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
6:04 am - 11:19 pm
LIM
-
STL
41h 15m
2 stops
Multiple Airlines Logo
8:08 pm - 5:01 am
STL
-
LIM
32h 53m
2 stops
$703Multiple Airlines
Thu, May 14 - Thu, May 28
Multiple Airlines Logo
6:04 am - 7:21 pm
LIM
-
STL
37h 17m
2 stops
Multiple Airlines Logo
4:59 pm - 8:05 am
STL
-
LIM
39h 06m
2 stops
$744Multiple Airlines
Sat, Apr 25 - Tue, Apr 28
Multiple Airlines Logo
6:04 am - 7:32 pm
LIM
-
STL
37h 28m
2 stops
Multiple Airlines Logo
9:18 pm - 5:01 am
STL
-
LIM
55h 43m
3 stops
$745Multiple Airlines
Fri, May 1 - Sat, May 16
Multiple Airlines Logo
6:04 am - 7:21 pm
LIM
-
STL
37h 17m
2 stops
Multiple Airlines Logo
6:00 am - 11:55 pm
STL
-
LIM
17h 55m
1 stop
$761Multiple Airlines
Sat, Apr 25 - Tue, Apr 28
Multiple Airlines Logo
8:15 am - 12:21 am
LIM
-
STL
40h 06m
3 stops
Multiple Airlines Logo
8:08 pm - 5:01 am
STL
-
LIM
32h 53m
2 stops
$777Multiple Airlines
Thu, May 14 - Thu, May 28
Multiple Airlines Logo
8:50 am - 2:39 pm
LIM
-
STL
29h 49m
1 stop
Multiple Airlines Logo
4:19 pm - 10:35 am
STL
-
LIM
18h 16m
2 stops
$793Multiple Airlines
Thu, May 14 - Thu, May 28
Multiple Airlines Logo
10:05 am - 6:50 am
LIM
-
STL
44h 45m
2 stops
Multiple Airlines Logo
6:00 am - 8:40 pm
STL
-
LIM
14h 40m
1 stop
$839Multiple Airlines
Mon, Apr 20 - Sun, Apr 26
Multiple Airlines Logo
12:05 pm - 11:19 pm
LIM
-
STL
35h 14m
2 stops
Multiple Airlines Logo
9:18 pm - 5:01 am
STL
-
LIM
55h 43m
3 stops
$863Multiple Airlines
Fri, May 1 - Sat, May 16
Multiple Airlines Logo
12:05 pm - 7:32 pm
LIM
-
STL
31h 27m
3 stops
Multiple Airlines Logo
9:18 pm - 5:01 am
STL
-
LIM
55h 43m
3 stops
$864Multiple Airlines
Fri, May 1 - Sat, May 16
Multiple Airlines Logo
1:10 pm - 11:19 pm
LIM
-
STL
34h 09m
3 stops
Multiple Airlines Logo
4:19 pm - 5:01 am
STL
-
LIM
36h 42m
2 stops
$883Multiple Airlines
Fri, May 1 - Sat, May 16

LATAM Airlines flights from Peru to St. Louis

Our best LATAM Airlines deals on Peru to St. Louis flight tickets
LATAM Airlines
Jul 22
LIM12:15 amLima J Chavez Intl
23h 23m
2 stops
STL11:38 pmLambert-St Louis
Aug 6
STL6:00 amLambert-St Louis
24h 30m
2 stops
LIM6:30 amLima J Chavez Intl
$931
LATAM Airlines
Jun 20
LIM8:55 amLima J Chavez Intl
23h 12m
2 stops
STL8:07 amLambert-St Louis
Jun 30
STL11:51 amLambert-St Louis
17h 09m
1 stop
LIM5:00 amLima J Chavez Intl
$963
LATAM Airlines
May 1
LIM12:05 pmLima J Chavez Intl
11h 31m
1 stop
STL11:36 pmLambert-St Louis
May 16
STL7:05 pmLambert-St Louis
9h 55m
1 stop
LIM5:00 amLima J Chavez Intl
$970

Delta flights from Peru to St. Louis

Our best Delta deals on Peru to St. Louis flight tickets
Delta
May 1
LIM8:55 amLima J Chavez Intl
14h 41m
2 stops
STL11:36 pmLambert-St Louis
May 16
STL4:15 pmLambert-St Louis
14h 40m
1 stop
LIM6:55 amLima J Chavez Intl
$1,002
Delta
Mar 20
LIM10:40 amLima J Chavez Intl
22h 22m
2 stops
STL9:02 amLambert-St Louis
Mar 25
STL6:59 pmLambert-St Louis
10h 01m
1 stop
LIM5:00 amLima J Chavez Intl
$1,155
Delta
Mar 20
LIM10:40 amLima J Chavez Intl
22h 22m
2 stops
STL9:02 amLambert-St Louis
Mar 25
STL1:39 pmLambert-St Louis
15h 11m
2 stops
LIM4:50 amLima J Chavez Intl
$1,214

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 March 17, 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

Thu 5/14

6:04 am-11:19 pm

2 stops41h 15m

Lambert-St Louis

Thu 5/28

8:08 pm-5:01 am

2 stops32h 53m

$703

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 4/25

6:04 am-7:21 pm

2 stops37h 17m

Lambert-St Louis

Tue 4/28

4:59 pm-8:05 am

2 stops39h 06m

$744

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 5/1

6:04 am-7:32 pm

2 stops37h 28m

Lambert-St Louis

Sat 5/16

9:18 pm-5:01 am

3 stops55h 43m

$745

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 4/25

6:04 am-7:21 pm

2 stops37h 17m

Lambert-St Louis

Tue 4/28

6:00 am-11:55 pm

1 stop17h 55m

$761

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Thu 5/14

8:15 am-12:21 am

3 stops40h 06m

Lambert-St Louis

Thu 5/28

8:08 pm-5:01 am

2 stops32h 53m

$777
Quickest round-trip

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Thu 5/14

8:50 am-2:39 pm

1 stop29h 49m

Lambert-St Louis

Thu 5/28

4:19 pm-10:35 am

2 stops18h 16m

$793

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Mon 4/20

10:05 am-6:50 am

2 stops44h 45m

Lambert-St Louis

Sun 4/26

6:00 am-8:40 pm

1 stop14h 40m

$839

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 5/1

12:05 pm-11:19 pm

2 stops35h 14m

Lambert-St Louis

Sat 5/16

9:18 pm-5:01 am

3 stops55h 43m

$863

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 5/1

12:05 pm-7:32 pm

3 stops31h 27m

Lambert-St Louis

Sat 5/16

9:18 pm-5:01 am

3 stops55h 43m

$864

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 5/1

1:10 pm-11:19 pm

3 stops34h 09m

Lambert-St Louis

Sat 5/16

4:19 pm-5:01 am

2 stops36h 42m

$883

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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

You could potentially save up to 19% 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

15h 19m

Direct flights

None
The fastest flight from Peru to St. Louis takes 15h 19m
There are no direct flights from Peru to St. Louis. There are no popular flight routes from Peru to St. Louis.
Search flight deals

  • 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
1,917 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
Florissant
Maryland Heights
O'Fallon
Collinsville
Alton
St. Peters
Wentzville
Fenton
Farmington
Clayton
Edwardsville
Festus
Eureka
Litchfield
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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