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Peru

$288+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIM
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
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Cheap flight deals from St. Louis to Peru

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Peru (PE0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 17, 2025.

Round-trip from

$559
(FlightHub)

One-way from

$288
(Avianca)
From Lambert-St Louis to Peru
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One-way flight from Lambert-St Louis to Peru
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Find 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 January 17, 2025.

This FlightHub deal was found by Cheapflights users on 1/16. 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.
Tue 2/43:48 pmSTL - LIM
1 stop30h 00mSpirit Airlines
Mon 2/1011:56 pmLIM - STL
1 stop15h 47mSpirit Airlines
Deal found 1/16$559
This Kiwi.com deal was found by Cheapflights users on 1/16. 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.
Fri 2/77:09 pmSTL - LIM
2 stops40h 16mMultiple Airlines
Mon 2/1011:56 pmLIM - STL
1 stop15h 47mMultiple Airlines
Deal found 1/16$585
This Delta deal was found by Cheapflights users on 1/16. 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.
Wed 4/166:00 amSTL - LIM
2 stops14h 15mDelta
Mon 4/2812:05 amLIM - STL
2 stops17h 56mDelta
Deal found 1/16$679
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Thu 5/11:48 pmSTL - LIM
2 stops14h 22mAmerican Airlines
Fri 5/910:00 pmLIM - STL
2 stops14h 06mAmerican Airlines
Deal found 1/15$703
This United deal was found by Cheapflights users on 1/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/36:15 amSTL - LIM
1 stop16h 40mUnited Airlines
Sun 2/91:50 amLIM - STL
2 stops38h 48mUnited Airlines
Deal found 1/16$721
This LATAM Airlines deal was found by Cheapflights users on 1/16. 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.
Wed 3/1910:45 amSTL - LIM
1 stop10h 10mLATAM Airlines
Mon 3/2411:55 pmLIM - STL
1 stop12h 05mLATAM Airlines
Deal found 1/16$730
This LATAM Airlines deal was found by Cheapflights users on 1/15. 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 10/162:05 pmSTL - CUZ
2 stops21h 10mLATAM Airlines
Tue 10/286:55 amCUZ - STL
2 stops16h 44mLATAM Airlines
Deal found 1/15$773
This Avianca deal was found by Cheapflights users on 1/16. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/158:25 amSTL - LIM
2 stops18h 05mAvianca
Sat 2/226:45 pmLIM - STL
2 stops16h 20mAvianca
Deal found 1/16$786
This LATAM Airlines deal was found by Cheapflights users on 1/15. 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 5/103:44 pmSTL - CUZ
3 stops22h 11mMultiple Airlines
Tue 5/204:15 amCUZ - STL
2 stops19h 23mMultiple Airlines
Deal found 1/15$798
This KAYAK deal was found by Cheapflights users on 1/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1210:59 amSTL - TPP
3 stops30h 26mLATAM Airlines
Tue 2/188:05 pmTPP - STL
2 stops28h 31mLATAM Airlines
Deal found 1/16$1,063
This American Airlines deal was found by Cheapflights users on 1/16. 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.
Thu 10/165:34 amSTL - CUZ
2 stops24h 50mAmerican Airlines
Tue 10/284:00 pmCUZ - STL
3 stops20h 00mAmerican Airlines
Deal found 1/16$1,073

Find flights from St. Louis to Peru within your budget

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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 2/4

3:48 pm-10:48 pm

1 stop30h 00m

Lima J Chavez Intl

Mon 2/10

11:56 pm-2:43 pm

1 stop15h 47m

$559

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Fri 2/7

7:09 pm-12:25 pm

2 stops40h 16m

Lima J Chavez Intl

Mon 2/10

11:56 pm-2:43 pm

1 stop15h 47m

$585

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Wed 4/16

6:00 am-9:45 pm

2 stops15h 45m

Lima J Chavez Intl

Tue 4/29

11:20 pm-9:37 am

1 stop10h 17m

$679

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Thu 5/1

1:48 pm-4:10 am

2 stops14h 22m

Lima J Chavez Intl

Fri 5/9

10:00 pm-12:06 pm

2 stops14h 06m

$703

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 2/3

6:15 am-11:55 pm

1 stop16h 40m

Lima J Chavez Intl

Sun 2/9

1:50 am-3:38 pm

2 stops38h 48m

$721

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Wed 3/19

10:45 am-8:55 pm

1 stop10h 10m

Lima J Chavez Intl

Mon 3/24

11:55 pm-12:00 pm

1 stop12h 05m

$730

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sat 2/15

8:25 am-3:30 am

2 stops18h 05m

Lima J Chavez Intl

Sat 2/22

6:45 pm-10:05 am

2 stops16h 20m

$786

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Tue 4/1

3:40 pm-11:50 am

3 stops20h 10m

Cusco Velazco Astete

Mon 4/7

6:55 am-11:31 pm

2 stops16h 36m

$871

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Tue 4/1

6:00 am-11:20 pm

3 stops17h 20m

Cusco Velazco Astete

Mon 4/7

4:15 am-11:31 pm

3 stops19h 16m

$985

St. LouisTarapoto

STL - TPP

STLTPP

Lambert-St Louis

Wed 2/12

10:59 am-6:25 pm

3 stops30h 26m

Tarapoto

Tue 2/18

8:05 pm-11:36 pm

2 stops28h 31m

$1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 16 results
1
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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.

Travel insights for flights from St. Louis to Peru

Get recent, data-driven insights about flights from St. Louis to Peru including ideal travel times, pricing trends, and more.

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

Currently, April is the cheapest month in which you can book a flight from St. Louis to Peru (average of $499). Flying from St. Louis to Peru in December is currently the most expensive (average of $802). 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.

What is the cheapest time of day to fly from STL to PE?

Find hourly flight availability from St. Louis to Peru. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 17, 2025.

When flying from St. Louis to Peru, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Peru by month

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

In terms of precipitation, rainfall in Peru ranges from 0.0 - 0.0 inches per month. January is typically the wettest month, when rainfall can reach 0.0 in. January is typically the driest time to visit Peru when rainfall is around 0.0 in.

Temperature in Peru by month

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

If weather is an important factor for your trip to Peru, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 62.6 F).

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 January 17, 2025.
Read through reviews of airlines operating flights from St. Louis to Peru, such as American Airlines and LATAM Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines
7.5
Good
1,849 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Avianca
6.9
Okay
2,573 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from St. Louis to Peru one-way?

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $316. Users have also found prices from $414 and $434 on LATAM Airlines and Delta, respectively.

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

    The most popular route from St. Louis to Peru is Lambert-St Louis - Lima J Chavez Intl. You may also consider Lambert-St Louis - Cusco Velazco Astete or Lambert-St Louis - Arequipa Rodriguez Ballon.

  • 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, April is the cheapest month in which you can book a flight from St. Louis to Peru (average of $499). Flying from St. Louis to Peru in December is currently the most expensive (average of $802). 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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Alternative routes for St. Louis to Peru

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Peru

Discover the top 4 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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$633Average$758FlexibilityNo cancel feeOn-time69%
DeltaCheapest$633Average$783FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$636Average$841FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$637Average$943FlexibilityNo cancel feeOn-time81%
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