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St. Louis

$391+ Cheap flights from Peru to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
LIM — STL
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
1 adult, Economy
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Cheap flight deals from Peru to St. Louis

Cheapest flights from Peru to St. Louis
Explore the most affordable flight options available from Peru to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.

This LATAM Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:30 pm
LIM
-
STL
2 stops28h 10m
LATAM Airlines
Sat 9/266:00 am
STL
-
LIM
2 stops14h 55m
LATAM Airlines
Deal found 6/24$780
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:45 pm
LIM
-
STL
1 stop13h 38m
American Airlines
Sat 9/261:54 pm
STL
-
LIM
2 stops14h 16m
American Airlines
Deal found 6/24$785
This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:10 pm
LIM
-
STL
1 stop26h 13m
Multiple Airlines
Sun 8/236:17 pm
STL
-
LIM
2 stops28h 53m
Multiple Airlines
Deal found 6/26$891
This American Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2212:45 am
LIM
-
STL
1 stop22h 50m
American Airlines
Sat 1/26:00 pm
STL
-
LIM
1 stop10h 10m
American Airlines
Deal found 6/27$916
This oojo deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:05 pm
LIM
-
STL
1 stop11h 15m
LATAM Airlines
Sat 8/155:23 pm
STL
-
LIM
1 stop28h 32m
LATAM Airlines
Deal found 6/24$995

Find flight deals from Peru to St. Louis

Keep the following information in mind while searching for Peru to St. Louis flight deals. Data was last updated June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$780
(LATAM Airlines)

One-way from

$391
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$1,076
Provider with most accurate pricing for Lima J Chavez Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lima J Chavez Intl-Lambert-St Louis flights.
Search Deals
From Peru to Lambert-St Louis
Search Deals
One-way flight from Peru to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 27, 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

1:30 pm-5:40 pm

2 stops28h 10m

Lambert-St Louis

Sat 9/26

6:00 am-8:55 pm

2 stops14h 55m

$780
Quickest round-trip

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 12/23

10:55 pm-12:32 pm

2 stops14h 37m

Lambert-St Louis

Sat 1/2

6:00 pm-5:10 am

1 stop10h 10m

$921

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

$943

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 8/14

6:30 am-10:40 pm

1 stop16h 10m

Lambert-St Louis

Sun 8/23

5:00 am-8:30 pm

1 stop15h 30m

$948

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 7/25

12:05 pm-11:20 pm

1 stop11h 15m

Lambert-St Louis

Sat 8/15

5:23 pm-9:55 pm

1 stop28h 32m

$995
Cheapest one-way

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 7/8

1:47 am-6:15 pm

3 stops40h 28m

$391
Quickest one-way

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 7/8

12:55 am-8:40 pm

1 stop19h 45m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Sorted by cheapest first

Best time to book a flight from Peru to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Peru with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Peru to St. Louis
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Peru to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Peru?

    For a flight from Peru to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How long is the flight from Peru to St. Louis?

    Departing from Peru to St. Louis will take you 14h 37m. Peru and St. Louis are separated by a distance of 3608 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Peru to St. Louis that include hotel bookings?

    Yes. In addition to deals on Peru to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Peru to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peru to St. Louis.

  • Can I find deals for business class flights from Peru to St. Louis?

    Yes. Cheapflights offers flight deals from Peru to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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