$692+ 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 6/27. 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
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $833 (Kiwi.com) |
One-way from | $692 (United Airlines) |
Popular in | June |
Cheapest in | August |
Average price | $823 |
Find flight deals from Peru to St. Louis
Cheapest flights from Peru to St. LouisExplore 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 May 1, 2025.
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 May 1, 2025.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
This Delta deal was found by Cheapflights users on 5/1. 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.
This LATAM Airlines deal was found by Cheapflights users on 5/1. 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.
This United Airlines deal was found by Cheapflights users on 4/30. 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.
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 May 1, 2025.
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
LimaSt. Louis
LIM - STL
LIMSTL
Lima J Chavez Intl
Wed 5/14
10:05 am-4:00 pm
1 stop29h 55m
Lambert-St Louis
Fri 6/6
5:35 pm-12:55 am
2 stops31h 20m
LimaSt. Louis
LIM - STL
LIMSTL
Lima J Chavez Intl
Mon 7/21
11:20 pm-4:18 pm
1 stop16h 58m
Lambert-St Louis
Tue 7/29
10:46 am-5:00 am
1 stop18h 14m
LimaSt. Louis
LIM - STL
LIMSTL
Lima J Chavez Intl
Mon 7/21
8:50 am-11:53 pm
2 stops15h 03m
Lambert-St Louis
Tue 7/29
6:00 am-8:00 am
2 stops26h 00m
LimaSt. Louis
LIM - STL
LIMSTL
Lima J Chavez Intl
Tue 5/13
12:40 am-3:49 pm
1 stop15h 09m
Lambert-St Louis
Fri 6/6
8:25 am-11:00 pm
1 stop14h 35m
LimaSt. Louis
LIM - STL
LIMSTL
Lima J Chavez Intl
Fri 6/27
12:40 am-10:40 am
2 stops34h 00m
LimaSt. Louis
LIM - STL
LIMSTL
Lima J Chavez Intl
Sat 6/28
8:25 pm-9:59 am
2 stops37h 34m
LimaSt. Louis
LIM - STL
LIMSTL
Lima J Chavez Intl
Sat 6/28
6:30 am-11:59 pm
1 stop17h 29m
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
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 May 1, 2025.
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
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.
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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.
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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$624 | Average$834 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$770 | Average$855 | FlexibilityNo cancel fee | On-time81% |