HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$822+ Cheap flights from Peru to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
LIM — STL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$822
(Delta)

Popular in

July

Cheapest in

August

Average price

$871
Provider with most accurate pricing for Lima J Chavez Intl-Lambert-St Louis flight deals.
Search Deals
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
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 31, 2025.

This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:15 amLIM - STL
2 stops15h 27mDelta
Mon 7/216:00 amSTL - LIM
2 stops14h 15mDelta
Deal found 3/30$822
This eDestinos deal was found by Cheapflights users on 3/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/412:15 pmLIM - STL
1 stop11h 27mLATAM Airlines
Sun 7/137:05 pmSTL - LIM
2 stops25h 10mLATAM Airlines
Deal found 3/30$831
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 4/2112:40 amLIM - STL
2 stops38h 02mUnited Airlines
Wed 6/47:20 amSTL - LIM
1 stop14h 05mUnited Airlines
Deal found 3/30$869
This Mytrip deal was found by Cheapflights users on 3/29. 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 4/2210:00 amLIM - STL
2 stops28h 49mMultiple Airlines
Wed 4/3012:15 pmSTL - LIM
3 stops40h 51mMultiple Airlines
Deal found 3/29$1,054

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 March 31, 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 7/1

8:15 am-11:42 pm

2 stops15h 27m

Lambert-St Louis

Mon 7/21

6:00 am-8:15 pm

2 stops14h 15m

$822

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 7/4

12:15 pm-11:42 pm

1 stop11h 27m

Lambert-St Louis

Sun 7/13

7:05 pm-8:15 pm

2 stops25h 10m

$831

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Mon 4/21

12:40 am-2:42 pm

2 stops38h 02m

Lambert-St Louis

Wed 6/4

7:20 am-9:25 pm

1 stop14h 05m

$869

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Tue 4/22

10:00 am-2:49 pm

2 stops28h 49m

Lambert-St Louis

Wed 4/30

12:15 pm-5:06 am

3 stops40h 51m

$1,054

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 March 31, 2025.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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
1,754 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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
Chesterfield

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.
Bogotá to Kansas City flights
Guarulhos Intl to St. Louis flights
Lima to Kansas City flights
Bogotá to St. Louis flights
Ministro Pistarini to St. Louis flights
Guarulhos Intl to Kansas City flights
Lima to St. Louis flights
Quito to St. Louis flights
Jose Maria Cordova Intl to Kansas City flights
Guayaquil to Kansas City flights
Quito to Kansas City flights
Ministro Pistarini to Kansas City flights
Brasilia to St. Louis flights
Santiago to St. Louis flights
Brasilia to Kansas City flights
Rio de Janeiro–Galeão Intl to Kansas City flights
Rio de Janeiro–Galeão Intl to Springfield flights
Porto Alegre to Kansas City flights
Santa Cruz de la Sierra to Kansas City flights
Recife to Kansas City flights
Cuenca to Kansas City flights
Cali to Kansas City flights
Jose Maria Cordova Intl to Joplin flights
Guarulhos Intl to Joplin flights

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$624Average$834FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$770Average$853FlexibilityNo cancel feeOn-time81%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.