$336+ Cheap flights from St. Louis (STL) to Peru
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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIM
Oct 27 — Nov 31
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Peru with Cheapflights
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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
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Best
Last-minute
One-way
Cheapest flights from St. Louis to PeruExplore 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 September 27, 2026.
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 September 27, 2026.
This FlightHub deal was found by Cheapflights users on 9/25. 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 12/12:33 pm -
1 stop13h 27m
Tue 12/812:10 pm -
1 stop12h 55m
Deal found 9/25![LATAM Airlines logo]()
$698
This Justfly.com deal was found by Cheapflights users on 9/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:35 pm -
1 stop11h 25m
Mon 11/912:10 pm -
1 stop12h 46m
Deal found 9/22![LATAM Airlines logo]()
$750
This United Airlines deal was found by Cheapflights users on 9/22. 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 11/235:00 am -
2 stops17h 55m
Wed 12/21:50 am -
2 stops22h 09m
Deal found 9/22![United Airlines logo]()
$770
This FlightHub deal was found by Cheapflights users on 9/25. 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.
Fri 11/612:00 pm -
1 stop16h 00m
Mon 12/712:10 pm -
1 stop12h 55m
Deal found 9/25![LATAM Airlines logo]()
$771
This American Airlines deal was found by Cheapflights users on 9/24. 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.
Mon 11/92:54 pm -
2 stops13h 21m
Wed 11/2510:55 pm -
2 stops14h 19m
Deal found 9/24![American Airlines logo]()
$774
This United Airlines deal was found by Cheapflights users on 9/22. 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 11/222:55 pm -
1 stop32h 00m
Wed 12/21:50 am -
2 stops22h 09m
Deal found 9/22![United Airlines logo]()
$780
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/295:00 am -
1 stop18h 25m
Mon 11/97:00 am -
1 stop11h 25m
Deal found 9/23![American Airlines logo]()
$785
This LATAM Airlines deal was found by Cheapflights users on 9/27. 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 11/116:00 am -
2 stops14h 05m
Tue 11/1712:15 am -
2 stops17h 28m
Deal found 9/27![LATAM Airlines logo]()
$787
This American Airlines deal was found by Cheapflights users on 9/26. 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.
Tue 11/105:00 pm -
2 stops18h 00m
Tue 11/173:10 pm -
2 stops25h 40m
Deal found 9/26![American Airlines logo]()
$1,149
This LATAM Airlines deal was found by Cheapflights users on 9/26. 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.
Tue 11/105:48 pm -
2 stops17h 22m
Tue 11/175:00 am -
3 stops41h 40m
Deal found 9/26![Multiple Airlines logo]()
$1,666
This KAYAK deal was found by Cheapflights users on 9/25. 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.
Sun 12/277:15 pm -
3 stops26h 15m
Sun 1/310:45 pm -
3 stops25h 54m
Deal found 9/25![LATAM Airlines logo]()
$2,355
Best flights from St. Louis to PeruDiscover carefully curated flight deals from St. Louis to Peru that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
Discover carefully curated flight deals from St. Louis to Peru that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. 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 11/248:30 am -
1 stop14h 25m
Wed 12/21:50 am -
1 stop21h 40m
Deal found 9/22![United Airlines logo]()
$775
This Delta deal was found by Cheapflights users on 9/25. 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 1/62:15 pm -
1 stop17h 45m
Wed 1/2012:10 pm -
1 stop21h 02m
Deal found 9/25![Delta logo]()
$785
This FlightHub deal was found by Cheapflights users on 9/26. 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.
Wed 1/66:00 am -
2 stops12h 25m
Wed 1/138:30 am -
2 stops16h 09m
Deal found 9/26![LATAM Airlines logo]()
$805
This Air Canada deal was found by Cheapflights users on 9/22. 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.
Wed 1/204:05 pm -
2 stops18h 20m
Thu 1/289:45 pm -
2 stops42h 41m
Deal found 9/22![Multiple Airlines logo]()
$1,104
This BusinessClass deal was found by Cheapflights users on 9/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/105:00 am -
2 stops28h 20m
Wed 1/209:30 pm -
2 stops20h 56m
Deal found 9/25![GOL logo]()
$1,107
This American Airlines deal was found by Cheapflights users on 9/26. 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.
Tue 11/105:00 pm -
2 stops18h 00m
Tue 11/173:10 pm -
2 stops25h 40m
Deal found 9/26![American Airlines logo]()
$1,149
This United Airlines deal was found by Cheapflights users on 9/22. 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 11/2311:00 am -
1 stop11h 55m
Wed 12/21:50 am -
1 stop13h 26m
Deal found 9/22![United Airlines logo]()
$775
This Delta deal was found by Cheapflights users on 9/25. 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 11/410:25 am -
2 stops20h 40m
Sun 11/1511:40 pm -
1 stop25h 16m
Deal found 9/25![Delta logo]()
$816
This United Airlines deal was found by Cheapflights users on 9/25. 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 1/107:00 pm -
2 stops27h 55m
Mon 1/181:50 am -
2 stops22h 34m
Deal found 9/25![United Airlines logo]()
$790
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 11/72:55 pm -
1 stop32h 00m
Fri 11/131:50 am -
1 stop13h 23m
Deal found 9/23![United Airlines logo]()
$825
This LATAM Airlines deal was found by Cheapflights users on 9/24. 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 2/111:51 am -
2 stops26h 44m
Thu 2/47:35 am -
2 stops25h 37m
Deal found 9/24![LATAM Airlines logo]()
$1,110
This Gurufare deal was found by Cheapflights users on 9/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1411:19 am -
2 stops23h 06m
Sun 3/214:45 pm -
2 stops24h 48m
Deal found 9/25![GOL logo]()
$1,120
This Air Canada deal was found by Cheapflights users on 9/22. 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.
Wed 1/204:05 pm -
2 stops18h 20m
Fri 2/55:00 am -
2 stops35h 26m
Deal found 9/22![Multiple Airlines logo]()
$1,121
This LATAM Airlines deal was found by Cheapflights users on 9/26. 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.
Tue 11/105:48 pm -
2 stops17h 22m
Tue 11/175:00 am -
3 stops41h 40m
Deal found 9/26![Multiple Airlines logo]()
$1,666
This KAYAK deal was found by Cheapflights users on 9/25. 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.
Sun 12/277:15 pm -
3 stops26h 15m
Sun 1/310:45 pm -
3 stops25h 54m
Deal found 9/25![LATAM Airlines logo]()
$2,355
This Mytrip deal was found by Cheapflights users on 9/25. 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.
Sun 3/144:05 pm -
3 stops23h 50m
Sun 3/215:00 am -
3 stops34h 26m
Deal found 9/25![Multiple Airlines logo]()
$3,053
Last-minute flights from St. Louis to PeruDiscover last-minute flight deals from St. Louis to Peru. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Peru. Data last updated September 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/15:00 am -
1 stop15h 30m
Tue 11/2412:45 am -
1 stop17h 40m
Deal found 9/24![American Airlines logo]()
$882
This Air Canada deal was found by Cheapflights users on 9/25. 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.
Wed 10/212:40 pm -
2 stops19h 55m
Mon 10/261:50 am -
2 stops37h 33m
Deal found 9/25![Multiple Airlines logo]()
$907
This FlightHub deal was found by Cheapflights users on 9/25. 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.
Wed 10/2110:14 am -
1 stop11h 41m
Tue 10/2712:10 pm -
1 stop11h 44m
Deal found 9/25![LATAM Airlines logo]()
$958
This Delta deal was found by Cheapflights users on 9/22. 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.
Thu 10/226:00 am -
2 stops14h 20m
Wed 10/2812:15 am -
2 stops18h 00m
Deal found 9/22![Delta logo]()
$805
This Justfly.com deal was found by Cheapflights users on 9/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:35 pm -
1 stop11h 25m
Mon 11/912:10 pm -
1 stop12h 46m
Deal found 9/22![LATAM Airlines logo]()
$750
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/295:00 am -
1 stop18h 25m
Mon 11/97:00 am -
1 stop11h 25m
Deal found 9/23![American Airlines logo]()
$785
One-way flights from St. Louis to PeruSearch for one-way flight options from St. Louis to Peru. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
Search for one-way flight options from St. Louis to Peru. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/212:14 pm -
2 stops26h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$336
This lastminute.com deal was found by Cheapflights users on 9/24. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:38 pm -
1 stop10h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![LATAM Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Fri 10/95:00 am -
2 stops25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$814
This FlightHub deal was found by Cheapflights users on 9/24. 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.
Fri 10/910:14 am -
2 stops31h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![LATAM Airlines logo]()
$816
This oojo deal was found by Cheapflights users on 9/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:50 pm -
2 stops14h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Avianca logo]()
$1,173
This FlightHub deal was found by Cheapflights users on 9/23. 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 11/168:00 am -
2 stops37h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Avianca logo]()
$1,179
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 11/167:08 am -
3 stops39h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$1,244
This KAYAK deal was found by Cheapflights users on 9/23. 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.
Mon 11/166:15 pm -
1 stop10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![GOL logo]()
$1,425
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Tue 11/172:31 pm -
3 stops27h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$1,604
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 September 27, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $698 (FlightHub) |
One-way from | $336 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $1,055 |
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 7,457,451 searches. Data last updated September 27, 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
Cheapest round-trip
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Mon 11/2
12:14 pm-3:40 pm
2 stops26h 26m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$336
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Mon 11/2
5:38 pm-5:00 am
1 stop10h 22m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$546
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Tue 3/9
4:05 pm-6:10 am
1 stop13h 05m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$751
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Tue 11/24
8:30 am-11:55 pm
1 stop14h 25m
Lima J Chavez Intl
Wed 12/2
1:50 am-10:30 pm
1 stop21h 40m
$775
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Mon 11/23
11:00 am-11:55 pm
1 stop11h 55m
Lima J Chavez Intl
Wed 12/2
1:50 am-2:16 pm
1 stop13h 26m
$775
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Wed 1/6
2:15 pm-9:00 am
1 stop17h 45m
Lima J Chavez Intl
Wed 1/20
12:10 pm-8:12 am
1 stop21h 02m
$785
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Sun 1/10
7:00 pm-11:55 pm
2 stops27h 55m
Lima J Chavez Intl
Mon 1/18
1:50 am-11:24 pm
2 stops22h 34m
$790
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Wed 1/6
6:00 am-7:25 pm
2 stops12h 25m
Lima J Chavez Intl
Wed 1/13
8:30 am-11:39 pm
2 stops16h 09m
$805
St. LouisCusco
STL Lambert-St Louis - CUZ Cusco Velazco Astete
STLCUZ
Lambert-St Louis
Fri 10/9
5:00 am-6:25 am
2 stops25h 25m
Cusco Velazco Astete
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$814
St. LouisCusco
STL Lambert-St Louis - CUZ Cusco Velazco Astete
STLCUZ
Lambert-St Louis
Fri 10/9
10:14 am-5:15 pm
2 stops31h 01m
Cusco Velazco Astete
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$816
Showing 1-10 of 27 resultsSorted by cheapest first
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.
STL-LIM
STL-CUZ
STL-TPP
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
STL-PE0
STL-LIM
STL-CUZ
STL-TPP
What is the cheapest month to book a flight from St. Louis to Peru?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Peru (average of $664). Flying from St. Louis to Peru in September is currently the most expensive (average of $1,055). 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.
How far ahead should I book a flight from St. Louis to Peru?
The best time to book flights from St. Louis to Peru is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 September 27, 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.
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
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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 7,457,451 searches. Data last updated September 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$613 | Average$961 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$661 | Average$1,082 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$730 | Average$956 | FlexibilityNo cancel fee | On-time71% |