Peru

$234+ Cheap flights from St. Louis (STL) to Peru

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIM
Jun 12 — Jun 191
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Cheap flight deals from St. Louis to Peru

Cheapest flights from St. Louis to Peru
Explore the most affordable flight options available from St. Louis to Peru. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.

This Orbitz deal was found by Cheapflights users on 5/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:15 pm
STL
-
LIM
1 stop12h 55m
Air Canada
Sat 11/78:00 am
LIM
-
STL
2 stops32h 30m
Air Canada
Deal found 5/11$631
This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:15 pm
STL
-
LIM
2 stops17h 30m
Air Canada
Sun 11/228:05 am
LIM
-
STL
1 stop32h 25m
Air Canada
Deal found 5/12$637
This Air Canada deal was found by Cheapflights users on 5/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:15 pm
STL
-
LIM
2 stops33h 00m
Air Canada
Mon 12/218:00 am
LIM
-
STL
2 stops32h 30m
Air Canada
Deal found 5/12$709
This LATAM Airlines deal was found by Cheapflights users on 5/12. 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.
Mon 10/193:42 pm
STL
-
LIM
1 stop13h 18m
LATAM Airlines
Wed 11/1812:00 pm
LIM
-
STL
1 stop21h 12m
LATAM Airlines
Deal found 5/12$734
This LATAM Airlines deal was found by Cheapflights users on 5/10. 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.
Fri 6/127:12 pm
STL
-
LIM
2 stops25h 08m
LATAM Airlines
Wed 6/2412:05 pm
LIM
-
STL
1 stop11h 51m
LATAM Airlines
Deal found 5/10$759
This LATAM Airlines deal was found by Cheapflights users on 5/11. 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.
Thu 6/116:00 am
STL
-
LIM
2 stops14h 55m
LATAM Airlines
Wed 6/248:55 am
LIM
-
STL
2 stops15h 01m
LATAM Airlines
Deal found 5/11$765
This LATAM Airlines deal was found by Cheapflights users on 5/13. 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.
Sun 9/207:05 pm
STL
-
LIM
2 stops26h 35m
LATAM Airlines
Mon 10/58:15 am
LIM
-
STL
2 stops15h 22m
LATAM Airlines
Deal found 5/13$770
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 6/1611:10 am
STL
-
LIM
1 stop11h 50m
United Airlines
Tue 6/2311:05 pm
LIM
-
STL
1 stop24h 30m
United Airlines
Deal found 5/11$775
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/145:29 pm
STL
-
LIM
2 stops27h 56m
United Airlines
Tue 6/2311:05 pm
LIM
-
STL
1 stop24h 30m
United Airlines
Deal found 5/9$780
This LATAM Airlines deal was found by Cheapflights users on 5/11. 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.
Sat 10/315:30 pm
STL
-
LIM
1 stop11h 30m
LATAM Airlines
Sat 11/712:00 pm
LIM
-
STL
1 stop12h 39m
LATAM Airlines
Deal found 5/11$781
This Air Canada deal was found by Cheapflights users on 5/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:15 pm
STL
-
CUZ
2 stops16h 05m
Multiple Airlines
Tue 12/89:45 pm
CUZ
-
STL
2 stops42h 45m
Multiple Airlines
Deal found 5/9$893
This LATAM Airlines deal was found by Cheapflights users on 5/12. 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.
Mon 11/96:59 pm
STL
-
AQP
2 stops17h 51m
LATAM Airlines
Thu 11/1211:30 am
AQP
-
STL
2 stops24h 18m
LATAM Airlines
Deal found 5/12$909

Find flight deals from St. Louis to Peru

Keep the following information in mind while searching for St. Louis to Peru flight deals. Data was last updated May 13, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$631
(Orbitz)

One-way from

$234
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$965
Provider with most accurate pricing for Lambert-St Louis-Lima J Chavez Intl flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Lima J Chavez Intl flights.
From Lambert-St Louis to Peru
One-way flight from Lambert-St Louis to Peru
Highest demand for flights based on searches. 3% potential increase in price ($33 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Peru 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 13, 2026.
Use the filters below to find and compare flights from St. Louis to Peru that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 11/9

4:15 pm-10:45 am

2 stops17h 30m

Lima J Chavez Intl

Sun 11/22

8:05 am-3:30 pm

1 stop32h 25m

$637

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 11/9

4:15 pm-10:45 am

2 stops17h 30m

Lima J Chavez Intl

Sun 11/22

5:35 pm-3:30 pm

2 stops46h 55m

$637

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 11/9

6:15 am-11:55 pm

1 stop16h 40m

Lima J Chavez Intl

Wed 11/11

1:50 am-4:35 pm

1 stop15h 45m

$765

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 10/19

6:00 am-9:35 pm

2 stops15h 35m

Lima J Chavez Intl

Wed 11/18

8:50 am-11:39 pm

2 stops15h 49m

$765

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 9/20

7:05 pm-9:40 pm

2 stops26h 35m

Lima J Chavez Intl

Mon 10/5

12:05 pm-8:12 am

1 stop20h 07m

$770

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 6/14

5:29 pm-9:25 pm

2 stops27h 56m

Lima J Chavez Intl

Tue 6/23

11:05 pm-11:35 pm

1 stop24h 30m

$780

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 10/26

6:15 am-10:55 pm

1 stop16h 40m

Lima J Chavez Intl

Wed 10/28

12:50 am-8:37 am

2 stops31h 47m

$787
Quickest round-trip

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 10/26

5:30 pm-5:00 am

1 stop11h 30m

Lima J Chavez Intl

Thu 10/29

8:50 am-11:39 pm

2 stops14h 49m

$789

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Thu 6/11

6:00 am-9:55 pm

1 stop15h 55m

Lima J Chavez Intl

Sun 6/28

8:55 am-11:56 pm

2 stops15h 01m

$790

St. LouisArequipa

STL - AQP

STLAQP

Lambert-St Louis

Mon 11/9

6:59 pm-10:50 am

2 stops14h 51m

Arequipa Rodriguez Ballon

Thu 11/12

5:15 pm-6:01 pm

2 stops25h 46m

$909

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 28 resultsSorted by cheapest first
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Best time to book a flight from St. Louis to Peru

Have a flexible travel schedule? Discover the best time to fly to Peru from St. Louis 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 St. Louis to Peru

What is the cheapest month to book a flight from St. Louis to Peru?

Currently, July is the cheapest month in which you can book a flight from St. Louis to Peru (average of $196). Flying from St. Louis to Peru in June is currently the most expensive (average of $747). 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 Peru

Get insights into the airlines that provide service to Peru. 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 Peru. Reviews last updated May 13, 2026.
Read through reviews of airlines operating flights from St. Louis to Peru, such as Delta,LATAM Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Peru. 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 from for flights from St. Louis to Peru?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Peru. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How long is the flight from St. Louis to Peru?

    There are many flights that can get you from St. Louis to Peru in 15h 35m. Fly via Air Canada, United Airlines, or Delta to get the fastest option. The distance from St. Louis to Peru is about 3608 mi. This flight may include one or multiple stops.

  • What are the most popular routes from St. Louis to Peru?

  • Can I find deals for flights from St. Louis to Peru that include hotel bookings?

    Yes. In addition to deals on St. Louis to Peru flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Peru?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Peru.

  • Can I find deals for business class flights from St. Louis to Peru?

    Yes. Cheapflights offers flight deals from St. Louis to Peru 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 St. Louis to Peru?

    Currently, July is the cheapest month in which you can book a flight from St. Louis to Peru (average of $196). Flying from St. Louis to Peru in June is currently the most expensive (average of $747). 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

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Top 3 airlines flying from St. Louis to Peru

Discover the top 3 airlines that operate flights from St. Louis to Peru. 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 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$554Average$834FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$650Average$1,006FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$668Average$950FlexibilityNo cancel feeOn-time71%

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