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St. Louis

$394+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
LIM — STL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$749
(Mytrip)

One-way from

$394
(Mytrip)

Popular in

July

Cheapest in

August

Average price

$915
From Peru to Lambert-St Louis
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One-way flight from Peru to Lambert-St Louis
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 0% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/293:00 amLIM - STL
3 stops30h 52mMultiple Airlines
Thu 8/1410:37 amSTL - LIM
3 stops33h 18mMultiple Airlines
Deal found 7/3$749
This Delta deal was found by Cheapflights users on 7/3. 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 7/2912:05 amLIM - STL
2 stops18h 42mDelta
Thu 8/141:26 pmSTL - LIM
2 stops16h 34mDelta
Deal found 7/3$919
This LATAM Airlines deal was found by Cheapflights users on 7/3. 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 7/3012:15 pmLIM - STL
1 stop11h 38mLATAM Airlines
Thu 8/146:49 pmSTL - LIM
1 stop10h 11mLATAM Airlines
Deal found 7/3$928
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/2012:40 amLIM - STL
2 stops22h 05mUnited Airlines
Tue 7/295:00 amSTL - LIM
2 stops16h 25mUnited Airlines
Deal found 7/2$1,303

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 July 3, 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

Tue 7/29

3:00 am-9:52 am

3 stops30h 52m

Lambert-St Louis

Thu 8/14

10:37 am-7:55 pm

3 stops33h 18m

$749

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Tue 7/29

12:05 am-6:47 pm

2 stops18h 42m

Lambert-St Louis

Thu 8/14

1:26 pm-6:00 am

2 stops16h 34m

$919

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 7/30

12:15 pm-11:53 pm

1 stop11h 38m

Lambert-St Louis

Thu 8/14

6:49 pm-5:00 am

1 stop10h 11m

$928

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sun 7/20

12:40 am-10:45 pm

2 stops22h 05m

Lambert-St Louis

Tue 7/29

5:00 am-9:25 pm

2 stops16h 25m

$1,303

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sun 7/13

5:00 am-9:52 am

3 stops28h 52m

$394

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Thu 8/7

6:30 am-11:59 pm

1 stop17h 29m

$507

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 8/6

12:40 am-4:59 pm

1 stop16h 19m

$821

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 8/6

12:15 am-2:36 pm

2 stops14h 21m

$860

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 July 3, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines, and United 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
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,805 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Peru to St. Louis one-way?

    One-way options have recently been found by users for as low as $507 on American Airlines. Other airlines that offer cheap prices include United Airlines from $821 and Delta from $860 one-way.

  • 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 Peru?

Book flights to Peru if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$624Average$798FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$807Average$894FlexibilityNo cancel feeOn-time81%

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