In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from PE to STL?

When flying from Peru to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$375+ Flights from Peru to St. Louis

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Cheap flight deals from Peru to St. Louis

Best flights from Peru to St. Louis
Discover carefully curated flight deals from Peru to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 17, 2025.

Wed 2/2511:30 pmLIM - STL

2 stops25h 29mMultiple Airlines

Mon 3/238:53 pmSTL - LIM

1 stop25h 17mMultiple Airlines

Deal found 12/15

$663

Wed 2/257:00 amLIM - STL

1 stop11h 27mAmerican Airlines

Mon 3/233:22 pmSTL - LIM

1 stop12h 48mAmerican Airlines

Deal found 12/15

$736

Wed 2/2511:30 pmLIM - STL

3 stops20h 06mMultiple Airlines

Fri 3/204:05 pmSTL - LIM

1 stop13h 05mMultiple Airlines

Deal found 12/16

$668

Wed 3/41:30 pmLIM - STL

3 stops42h 37mMultiple Airlines

Sun 3/87:42 amSTL - LIM

2 stops21h 08mMultiple Airlines

Deal found 12/15

$678

Wed 2/2511:30 pmLIM - STL

2 stops25h 29mMultiple Airlines

Thu 3/197:52 amSTL - LIM

1 stop14h 18mMultiple Airlines

Deal found 12/16

$696

Last-minute flights from Peru to St. Louis
Discover last-minute flight deals from Peru to St. Louis. Data last updated December 17, 2025 and is based on user searches.

Sat 1/1712:45 amLIM - STL

2 stops15h 12mAmerican Airlines

Sun 2/16:02 pmSTL - LIM

1 stop10h 08mAmerican Airlines

Deal found 12/17

$867

Sun 1/1812:15 pmLIM - STL

1 stop12h 24mLATAM Airlines

Sun 2/13:45 pmSTL - LIM

1 stop12h 15mLATAM Airlines

Deal found 12/17

$985

Mon 1/1910:55 pmLIM - STL

1 stop11h 13mAmerican Airlines

Mon 2/25:05 amSTL - LIM

1 stop15h 25mAmerican Airlines

Deal found 12/17

$832

Mon 1/1912:05 pmLIM - STL

3 stops51h 41mMultiple Airlines

Mon 2/21:40 pmSTL - LIM

2 stops38h 20mMultiple Airlines

Deal found 12/17

$842

Thu 1/2211:40 pmLIM - STL

1 stop10h 13mLATAM Airlines

Mon 1/2612:00 pmSTL - LIM

1 stop16h 00mLATAM Airlines

Deal found 12/15

$927

One-way flights from Peru to St. Louis
Search for one-way flight options from Peru to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 17, 2025.

Tue 1/137:00 amLIM - STL

3 stops24h 51mMultiple Airlines

Deal found 12/17

$375

Sun 12/2111:37 pmLIM - STL

3 stops19h 59mMultiple Airlines

Deal found 12/15

$400

Sat 1/101:00 amLIM - STL

3 stops32h 05mMultiple Airlines

Deal found 12/17

$483

Wed 12/242:35 amLIM - STL

2 stops20h 58mMultiple Airlines

Deal found 12/17

$519

Thu 12/258:05 amLIM - STL

1 stop32h 24mAir Canada

Deal found 12/17

$526

Sun 12/218:05 amLIM - STL

1 stop32h 24mAir Canada

Deal found 12/15

$556

Tue 1/137:00 amLIM - STL

1 stop11h 22mAmerican Airlines

Deal found 12/17

$658

Sun 1/1112:15 pmLIM - STL

1 stop12h 24mLATAM Airlines

Deal found 12/17

$815

Tue 1/272:15 amLIM - STL

3 stops36h 39mMultiple Airlines

Deal found 12/17

$1,314

Find flight deals from Peru to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$663 (Kiwi.com)
One-way from	$375 (Kiwi.com)
Popular in	August
Cheapest in	September
Average price	$873

Provider with most accurate pricing for Lima J Chavez Intl-Lambert-St Louis flight deals.

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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. 0% potential increase in price ($8 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 2/25

11:30 pm-11:59 pm

2 stops25h 29m

Lambert-St Louis

Mon 3/23

8:53 pm-10:10 pm

1 stop25h 17m

$663

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 2/25

11:30 pm-6:36 pm

3 stops20h 06m

Lambert-St Louis

Fri 3/20

4:05 pm-5:10 am

1 stop13h 05m

$668

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 3/4

1:30 pm-7:07 am

3 stops42h 37m

Lambert-St Louis

Sun 3/8

7:42 am-4:50 am

2 stops21h 08m

$678

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 2/25

11:30 pm-11:59 pm

2 stops25h 29m

Lambert-St Louis

Thu 3/19

7:52 am-10:10 pm

1 stop14h 18m

$696

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 2/25

7:00 am-5:27 pm

1 stop11h 27m

Lambert-St Louis

Mon 3/23

3:22 pm-4:10 am

1 stop12h 48m

$736

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Tue 1/13

7:00 am-6:51 am

3 stops24h 51m

$375

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sun 12/21

11:37 pm-6:36 pm

3 stops19h 59m

$400

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 1/10

1:00 am-8:05 am

3 stops32h 05m

$483

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Thu 12/25

12:05 pm-7:47 pm

3 stops32h 42m

$519

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Thu 12/25

8:05 am-3:29 pm

1 stop32h 24m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 13 results

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.

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Delta and LATAM Airlines from Peru to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,006 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

LATAM Airlines

7.5

Good

1,891 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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.
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

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Swansea

Eureka

Glencoe

St. Peters

Chesterfield

Alton

Farmington

Festus

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Alternative routes for Peru to St. Louis

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Top 2 airlines flying from Peru to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$798	Average$798	FlexibilityNo cancel fee	On-timeN/A
LATAM Airlines	Cheapest$817	Average$963	FlexibilityNo cancel fee	On-time81%

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$375+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Peru to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Peru to St. Louis

Best flights from Peru to St. LouisDiscover carefully curated flight deals from Peru to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 17, 2025.

Discover carefully curated flight deals from Peru to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 17, 2025.

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 December 17, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Peru to St. Louis that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Peru to St. Louis

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Delta and LATAM Airlines from Peru to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

Traveling to a place near St. Louis?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Peru to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Peru to St. Louis

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Travel Smart

Best flights from Peru to St. Louis
Discover carefully curated flight deals from Peru to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 17, 2025.