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St. Louis

$377+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
LIM — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$911
(Kiwi.com)

One-way from

$377
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$766
From Peru to Lambert-St Louis
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One-way flight from Peru to Lambert-St Louis
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Highest demand for flights based on searches. 4% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/192:50 amLIM - STL
2 stops14h 20mMultiple Airlines
Fri 10/2410:22 amSTL - LIM
1 stop20h 08mMultiple Airlines
Deal found 9/11$911
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:05 amLIM - STL
1 stop16h 38mDelta
Sun 10/129:10 amSTL - LIM
1 stop12h 00mDelta
Deal found 9/11$919
This LATAM Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/81:30 pmLIM - STL
2 stops20h 56mLATAM Airlines
Sun 10/126:00 amSTL - LIM
2 stops15h 45mLATAM Airlines
Deal found 9/10$932
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/811:45 pmLIM - STL
2 stops12h 27mAmerican Airlines
Sun 10/127:01 amSTL - LIM
2 stops13h 29mAmerican Airlines
Deal found 9/11$945
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1912:40 amLIM - STL
2 stops37h 47mUnited Airlines
Fri 10/2412:25 pmSTL - LIM
2 stops34h 35mUnited Airlines
Deal found 9/11$954
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/206:30 amLIM - STL
1 stop17h 26mAmerican Airlines
Fri 10/245:23 amSTL - LIM
1 stop17h 02mAmerican Airlines
Deal found 9/11$963

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 September 11, 2025.
Use the filters below to find and compare flights from Peru to St. Louis that are best for you.

Fly from

Peru

Fly to

St. Louis

Route

Depart

Return

Price

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sun 10/19

2:50 am-5:10 pm

2 stops14h 20m

Lambert-St Louis

Fri 10/24

10:22 am-6:30 am

1 stop20h 08m

$911

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Tue 10/7

12:15 am-5:29 pm

2 stops17h 14m

Lambert-St Louis

Sun 10/12

6:00 am-9:45 pm

2 stops15h 45m

$919

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 10/8

1:30 pm-10:26 am

2 stops20h 56m

Lambert-St Louis

Sun 10/12

6:00 am-9:45 pm

2 stops15h 45m

$932

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 10/8

11:45 pm-12:12 pm

2 stops12h 27m

Lambert-St Louis

Sun 10/12

7:01 am-8:30 pm

2 stops13h 29m

$945

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 9/17

2:50 am-12:00 pm

3 stops33h 10m

$377

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Thu 9/18

8:25 pm-6:23 pm

2 stops21h 58m

$425

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 9/17

12:40 am-6:58 pm

1 stop18h 18m

$610

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 10/24

11:05 pm-11:47 am

1 stop12h 42m

$932

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

What is the cheapest month to book a flight from Peru to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Peru to St. Louis (average of $311). Flying from Peru to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated September 11, 2025.
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
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
LATAM Airlines
7.5
Good
1,847 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 17h 14m. Peru and St. Louis are separated by a distance of 3608 mi.

  • 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.

  • What is the cheapest month to book a flight from Peru to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Peru to St. Louis (average of $311). Flying from Peru to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Peru to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Peru to St. Louis

Discover the top 2 airlines that operate flights from Peru to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$798Average$834FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$807Average$894FlexibilityNo cancel feeOn-time81%

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