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St. Louis

$508+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
LIM — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:37 pmLIM - STL
1 stop12h 19mMultiple Airlines
Thu 2/2610:42 amSTL - LIM
2 stops27h 03mMultiple Airlines
Deal found 10/29$627
This Travelocity deal was found by Cheapflights users on 10/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:37 pmLIM - STL
1 stop12h 19mMultiple Airlines
Sat 2/284:05 pmSTL - LIM
1 stop13h 05mMultiple Airlines
Deal found 10/29$662
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/151:50 amLIM - STL
2 stops34h 11mUnited Airlines
Thu 3/126:00 amSTL - LIM
1 stop17h 40mUnited Airlines
Deal found 10/28$728
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:20 amLIM - STL
2 stops30h 09mMultiple Airlines
Sun 1/411:51 amSTL - LIM
1 stop9h 44mMultiple Airlines
Deal found 10/29$736
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:50 amLIM - STL
1 stop21h 05mUnited Airlines
Thu 2/266:00 amSTL - LIM
1 stop16h 55mUnited Airlines
Deal found 10/29$745
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:50 amLIM - STL
2 stops39h 37mUnited Airlines
Sun 1/46:35 pmSTL - LIM
2 stops28h 20mUnited Airlines
Deal found 10/29$757
This Mytrip deal was found by Cheapflights users on 10/29. 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 12/2311:37 pmLIM - STL
3 stops19h 59mMultiple Airlines
Thu 2/2612:20 pmSTL - LIM
3 stops40h 50mMultiple Airlines
Deal found 10/29$775

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$627
(Kiwi.com)

One-way from

$508
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$998
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
One-way flight from Peru to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search 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 October 30, 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

Mon 12/22

11:37 pm-6:36 pm

3 stops19h 59m

Lambert-St Louis

Thu 2/26

12:20 pm-6:10 am

3 stops40h 50m

$694

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Mon 12/22

11:37 pm-10:56 am

1 stop12h 19m

Lambert-St Louis

Sat 2/28

5:11 pm-11:40 pm

2 stops29h 29m

$704

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Mon 12/22

1:50 am-9:43 pm

2 stops44h 53m

Lambert-St Louis

Thu 2/26

6:00 am-11:55 pm

1 stop16h 55m

$728

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sun 12/21

1:50 am-12:27 pm

2 stops35h 37m

Lambert-St Louis

Thu 2/26

6:00 am-11:55 pm

1 stop16h 55m

$728

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Mon 12/15

1:50 am-9:58 pm

1 stop21h 08m

Lambert-St Louis

Thu 3/12

6:00 am-11:40 pm

1 stop17h 40m

$728

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 12/19

10:20 am-3:29 pm

2 stops30h 09m

Lambert-St Louis

Sun 1/4

11:51 am-10:35 pm

1 stop9h 44m

$736

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Thu 12/18

1:50 am-9:43 pm

2 stops44h 53m

Lambert-St Louis

Sun 1/4

6:00 am-11:55 pm

1 stop16h 55m

$787

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Sat 11/29

11:50 pm-11:57 pm

3 stops49h 07m

$508

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Tue 1/6

11:30 pm-11:01 am

2 stops36h 31m

$547

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Fri 11/28

2:15 am-7:39 pm

2 stops18h 24m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 13 results
1
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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, January is the cheapest month in which you can book a flight from Peru to St. Louis (average of $425). Flying from Peru to St. Louis in March is currently the most expensive (average of $886). 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 October 30, 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
7.9
Good
7,993 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
LATAM Airlines
7.5
Good
1,872 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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 44h 53m. 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, January is the cheapest month in which you can book a flight from Peru to St. Louis (average of $425). Flying from Peru to St. Louis in March is currently the most expensive (average of $886). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$798Average$834FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$807Average$894FlexibilityNo cancel feeOn-time81%

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