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St. Louis

$456+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LIM — STL
avr. 27 — mai 41
dim. 4/27
dim. 5/4
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 avril 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$787
(Mytrip)

One-way from

$456
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$824
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.
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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. 9% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 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 avril 22, 2025.

This Mytrip deal was found by Cheapflights users on 4/21. 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.
mar. 5/63:00 amLIM - STL
2 stops30h 15mMultiple Airlines
dim. 5/1110:10 amSTL - LIM
3 stops39h 35mMultiple Airlines
Deal found 4/21$787
This American Airlines deal was found by Cheapflights users on 4/22. 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.
lun. 8/2510:00 pmLIM - STL
2 stops14h 00mAmerican Airlines
sam. 9/65:31 amSTL - LIM
1 stop14h 49mAmerican Airlines
Deal found 4/22$793
This United Airlines deal was found by Cheapflights users on 4/22. 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.
dim. 8/2412:40 amLIM - STL
2 stops37h 53mUnited Airlines
sam. 9/64:32 pmSTL - LIM
1 stop30h 28mUnited Airlines
Deal found 4/22$804
This LATAM Airlines deal was found by Cheapflights users on 4/22. 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.
lun. 7/218:50 amLIM - STL
2 stops14h 49mLATAM Airlines
mar. 7/296:00 amSTL - LIM
2 stops26h 00mLATAM Airlines
Deal found 4/22$831
This Delta deal was found by Cheapflights users on 4/21. 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.
lun. 6/308:50 amLIM - STL
2 stops15h 01mDelta
lun. 7/147:20 amSTL - LIM
2 stops14h 40mDelta
Deal found 4/21$848

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 avril 22, 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

mar. 5/6

3:00 am-9:15 am

2 stops30h 15m

Lambert-St Louis

dim. 5/11

10:10 am-1:45 am

3 stops39h 35m

$787

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 8/25

10:00 pm-12:00 pm

2 stops14h 00m

Lambert-St Louis

sam. 9/6

5:31 am-8:20 pm

1 stop14h 49m

$793

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

dim. 8/24

12:40 am-2:33 pm

2 stops37h 53m

Lambert-St Louis

sam. 9/6

4:32 pm-11:00 pm

1 stop30h 28m

$804

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 7/21

8:50 am-11:39 pm

2 stops14h 49m

Lambert-St Louis

mar. 7/29

6:00 am-8:00 am

2 stops26h 00m

$831

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 6/30

8:50 am-11:51 pm

2 stops15h 01m

Lambert-St Louis

lun. 7/14

7:20 am-10:00 pm

2 stops14h 40m

$848

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

ven. 5/2

12:15 pm-12:06 am

2 stops35h 51m

$456

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

ven. 6/27

12:40 am-10:40 am

2 stops34h 00m

$692

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

sam. 6/28

6:30 am-11:59 pm

1 stop17h 29m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

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.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

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.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

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).

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 avril 22, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines and United Airlines from Peru to St. Louis by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,764 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
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 avril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$624Average$834FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$770Average$853FlexibilityNo cancel feeOn-time81%

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