$271+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIM
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Peru 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
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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 St. Louis to Peru
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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 March 23, 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 March 23, 2026.
This KAYAK deal was found by Cheapflights users on 3/21. 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 11/94:40 pm
STL
- LIM
1 stop12h 20m
LATAM Airlines
Sun 11/2212:00 pm
LIM
- STL
1 stop12h 39m
LATAM Airlines
Deal found 3/21![LATAM Airlines logo]()
$706
This KAYAK deal was found by Cheapflights users on 3/21. 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.
Tue 9/221:30 pm
STL
- LIM
1 stop15h 30m
LATAM Airlines
Tue 9/2912:05 pm
LIM
- STL
1 stop11h 32m
LATAM Airlines
Deal found 3/21![LATAM Airlines logo]()
$709
This Air Canada deal was found by Cheapflights users on 3/20. 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.
Mon 11/94:15 pm
STL
- LIM
2 stops17h 30m
Multiple Airlines
Sun 11/225:35 pm
LIM
- STL
2 stops46h 55m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$727
This LATAM Airlines deal was found by Cheapflights users on 3/21. 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 9/226:00 am
STL
- LIM
2 stops26h 05m
Multiple Airlines
Tue 9/298:15 am
LIM
- STL
2 stops15h 12m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$739
This Delta deal was found by Cheapflights users on 3/21. 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.
Mon 7/277:08 am
STL
- LIM
2 stops14h 52m
Delta
Mon 8/31:30 pm
LIM
- STL
2 stops20h 13m
Delta
Deal found 3/21![Delta logo]()
$744
This Ovago deal was found by Cheapflights users on 3/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
STL
- LIM
1 stop15h 55m
LATAM Airlines
Mon 5/1812:05 pm
LIM
- STL
1 stop11h 54m
LATAM Airlines
Deal found 3/22![LATAM Airlines logo]()
$757
This Delta deal was found by Cheapflights users on 3/22. 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.
Mon 4/206:00 am
STL
- LIM
2 stops15h 35m
Delta
Sun 5/312:10 am
LIM
- STL
2 stops21h 09m
Delta
Deal found 3/22![Delta logo]()
$765
This LATAM Airlines deal was found by Cheapflights users on 3/21. 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 5/54:41 pm
STL
- AQP
2 stops17h 19m
LATAM Airlines
Tue 5/128:50 am
AQP
- STL
2 stops15h 09m
LATAM Airlines
Deal found 3/21![LATAM Airlines logo]()
$880
This LATAM Airlines deal was found by Cheapflights users on 3/19. 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 10/243:42 pm
STL
- AQP
2 stops19h 08m
LATAM Airlines
Wed 10/288:05 am
AQP
- STL
2 stops15h 34m
LATAM Airlines
Deal found 3/19![LATAM Airlines logo]()
$889
This LATAM Airlines deal was found by Cheapflights users on 3/22. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:30 pm
STL
- TPP
2 stops19h 45m
LATAM Airlines
Fri 10/308:05 am
TPP
- STL
2 stops15h 34m
LATAM Airlines
Deal found 3/22![LATAM Airlines logo]()
$899
This KAYAK deal was found by Cheapflights users on 3/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2711:00 am
STL
- CUZ
2 stops23h 20m
Avianca
Fri 12/1112:25 pm
CUZ
- STL
2 stops22h 17m
Avianca
Deal found 3/22![Avianca logo]()
$930
This Trip.com deal was found by Cheapflights users on 3/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:42 am
STL
- CUZ
2 stops34h 48m
Multiple Airlines
Wed 5/137:00 am
CUZ
- STL
2 stops16h 59m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$954
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 March 23, 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 March 23, 2026.
This Delta deal was found by Cheapflights users on 3/21. 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.
Mon 7/277:08 am
STL
- LIM
2 stops14h 52m
Delta
Mon 8/31:30 pm
LIM
- STL
2 stops20h 13m
Delta
Deal found 3/21![Delta logo]()
$744
This KAYAK deal was found by Cheapflights users on 3/19. 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 5/276:00 am
STL
- LIM
2 stops15h 35m
LATAM Airlines
Sat 6/68:55 am
LIM
- STL
2 stops23h 12m
LATAM Airlines
Deal found 3/19![LATAM Airlines logo]()
$825
This Trip.com deal was found by Cheapflights users on 3/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:42 am
STL
- CUZ
2 stops34h 48m
Multiple Airlines
Wed 5/137:00 am
CUZ
- STL
2 stops16h 59m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$954
This Flysmarter deal was found by Cheapflights users on 3/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:38 pm
STL
- AQP
3 stops19h 54m
British Airways
Tue 5/1212:25 pm
AQP
- STL
2 stops21h 51m
British Airways
Deal found 3/21![British Airways logo]()
$1,079
This American Airlines deal was found by Cheapflights users on 3/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:24 am
STL
- CUZ
2 stops25h 01m
American Airlines
Tue 4/289:55 pm
CUZ
- STL
2 stops24h 29m
American Airlines
Deal found 3/22![American Airlines logo]()
$1,102
This Delta deal was found by Cheapflights users on 3/22. 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.
Wed 5/69:59 am
STL
- LIM
1 stop11h 56m
Delta
Tue 5/1212:10 am
LIM
- STL
2 stops17h 36m
Delta
Deal found 3/22![Delta logo]()
$765
This Delta deal was found by Cheapflights users on 3/21. 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 5/51:02 pm
STL
- LIM
1 stop15h 58m
Delta
Tue 5/128:55 am
LIM
- STL
2 stops15h 04m
Delta
Deal found 3/21![Delta logo]()
$765
This LATAM Airlines deal was found by Cheapflights users on 3/21. 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 5/54:41 pm
STL
- AQP
2 stops17h 19m
LATAM Airlines
Tue 5/128:50 am
AQP
- STL
2 stops15h 09m
LATAM Airlines
Deal found 3/21![LATAM Airlines logo]()
$880
This Delta deal was found by Cheapflights users on 3/22. 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.
Mon 4/206:00 am
STL
- LIM
2 stops15h 35m
Delta
Sun 5/312:10 am
LIM
- STL
2 stops21h 09m
Delta
Deal found 3/22![Delta logo]()
$765
This Billigflug deal was found by Cheapflights users on 3/19. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:50 pm
STL
- AQP
3 stops37h 25m
Multiple Airlines
Sun 5/108:00 am
AQP
- STL
2 stops24h 10m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$1,002
This Delta deal was found by Cheapflights users on 3/22. 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.
Tue 5/266:00 am
STL
- LIM
2 stops14h 20m
Delta
Sun 6/78:55 am
LIM
- STL
2 stops15h 01m
Delta
Deal found 3/22![Delta logo]()
$790
This LATAM Airlines deal was found by Cheapflights users on 3/22. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:05 pm
STL
- AQP
2 stops14h 55m
LATAM Airlines
Wed 9/238:50 am
AQP
- STL
2 stops23h 16m
LATAM Airlines
Deal found 3/22![LATAM Airlines logo]()
$968
This Flysmarter deal was found by Cheapflights users on 3/19. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/32:33 pm
STL
- AQP
3 stops16h 59m
British Airways
Sun 5/109:30 pm
AQP
- STL
3 stops24h 49m
British Airways
Deal found 3/19![British Airways logo]()
$1,105
This Trip.com deal was found by Cheapflights users on 3/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
STL
- CUZ
2 stops39h 00m
Multiple Airlines
Sun 5/106:50 am
CUZ
- STL
2 stops17h 09m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$1,067
This Delta deal was found by Cheapflights users on 3/19. 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 6/107:05 pm
STL
- LIM
1 stop9h 55m
Delta
Sun 6/1412:05 am
LIM
- STL
1 stop15h 38m
Delta
Deal found 3/19![Delta logo]()
$823
This KAYAK deal was found by Cheapflights users on 3/23. 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.
Thu 5/146:00 am
STL
- CUZ
2 stops24h 10m
LATAM Airlines
Thu 5/286:50 am
CUZ
- STL
2 stops17h 09m
LATAM Airlines
Deal found 3/23![LATAM Airlines logo]()
$1,068
This Delta deal was found by Cheapflights users on 3/19. 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 5/206:00 am
STL
- LIM
2 stops15h 35m
Delta
Tue 5/2612:05 pm
LIM
- STL
1 stop11h 54m
Delta
Deal found 3/19![Delta logo]()
$823
This KAYAK deal was found by Cheapflights users on 3/19. 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.
Tue 5/195:15 pm
STL
- CUZ
2 stops23h 40m
LATAM Airlines
Tue 6/28:35 am
CUZ
- STL
2 stops15h 24m
LATAM Airlines
Deal found 3/19![LATAM Airlines logo]()
$1,086
Last-minute flights from St. Louis to PeruDiscover last-minute flight deals from St. Louis to Peru. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Peru. Data last updated March 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 3/244:51 pm
STL
- LIM
1 stop29h 19m
Multiple Airlines
Sun 3/2910:45 am
LIM
- STL
2 stops36h 34m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$968
This KAYAK deal was found by Cheapflights users on 3/21. 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.
Tue 3/245:15 am
STL
- LIM
1 stop17h 05m
GOL
Sun 3/2911:45 pm
LIM
- STL
1 stop10h 47m
GOL
Deal found 3/21![GOL logo]()
$1,153
This BusinessClass deal was found by Cheapflights users on 3/22. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:03 am
STL
- CUZ
2 stops17h 42m
LATAM Airlines
Thu 4/212:05 am
CUZ
- STL
2 stops23h 53m
LATAM Airlines
Deal found 3/22![LATAM Airlines logo]()
$1,360
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Wed 3/254:05 pm
STL
- LIM
3 stops32h 45m
Multiple Airlines
Fri 3/2712:30 pm
LIM
- STL
3 stops26h 59m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$1,195
This FlightHub deal was found by Cheapflights users on 3/19. 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.
Sat 3/285:00 pm
STL
- CUZ
2 stops15h 55m
LATAM Airlines
Wed 4/86:50 am
CUZ
- STL
2 stops17h 08m
LATAM Airlines
Deal found 3/19![LATAM Airlines logo]()
$1,341
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Sun 4/194:59 pm
STL
- LIM
2 stops17h 36m
Multiple Airlines
Wed 4/2210:45 am
LIM
- STL
1 stop28h 34m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$860
This KAYAK deal was found by Cheapflights users on 3/19. 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 4/191:02 pm
STL
- LIM
1 stop15h 58m
LATAM Airlines
Wed 4/2212:05 pm
LIM
- STL
1 stop11h 31m
LATAM Airlines
Deal found 3/19![LATAM Airlines logo]()
$867
This Delta deal was found by Cheapflights users on 3/22. 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.
Mon 4/209:59 am
STL
- LIM
1 stop19h 01m
Delta
Sun 5/312:10 am
LIM
- STL
2 stops17h 34m
Delta
Deal found 3/22![Delta logo]()
$765
This American Airlines deal was found by Cheapflights users on 3/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:24 am
STL
- CUZ
2 stops25h 01m
American Airlines
Tue 4/289:55 pm
CUZ
- STL
2 stops24h 29m
American Airlines
Deal found 3/22![American Airlines logo]()
$1,102
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 March 23, 2026.
Search for one-way flight options from St. Louis to Peru. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Sat 5/98:08 pm
STL
- LIM
3 stops28h 42m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 6/15:27 pm
STL
- LIM
3 stops35h 34m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$285
This Ovago deal was found by Cheapflights users on 3/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:49 am
STL
- LIM
1 stop11h 06m
LATAM Airlines
Deal found 3/21![LATAM Airlines logo]()
$439
This BusinessClass deal was found by Cheapflights users on 3/21. 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.
Tue 6/166:00 am
STL
- LIM
1 stop15h 55m
LATAM Airlines
Deal found 3/21![LATAM Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 3/21. 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 6/27:15 am
STL
- LIM
2 stops14h 45m
Delta
Deal found 3/21![Delta logo]()
$444
This LATAM Airlines deal was found by Cheapflights users on 3/19. 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 6/15:15 pm
STL
- LIM
1 stop11h 45m
LATAM Airlines
Deal found 3/19![LATAM Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Sat 5/95:24 am
STL
- LIM
1 stop15h 06m
American Airlines
Deal found 3/21![American Airlines logo]()
$474
This Kissandfly.com deal was found by Cheapflights users on 3/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:35 pm
STL
- LIM
2 stops15h 50m
Copa Airlines
Deal found 3/20![Copa Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 3/20. 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.
Fri 7/311:30 pm
STL
- LIM
1 stop15h 30m
Delta
Deal found 3/20![Delta logo]()
$678
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 7/316:30 am
STL
- LIM
3 stops16h 05m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$828
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 March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $744 (Delta) |
One-way from | $271 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $895 |
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 March 23, 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 - LIM
STLLIM
Lambert-St Louis
Mon 7/27
7:08 am-10:00 pm
2 stops14h 52m
Lima J Chavez Intl
Mon 8/3
1:30 pm-9:43 am
2 stops20h 13m
$744
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Wed 5/6
9:59 am-9:55 pm
1 stop11h 56m
Lima J Chavez Intl
Tue 5/12
12:10 am-5:46 pm
2 stops17h 36m
$765
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Tue 5/5
1:02 pm-5:00 am
1 stop15h 58m
Lima J Chavez Intl
Tue 5/12
8:55 am-11:59 pm
2 stops15h 04m
$765
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Mon 4/20
6:00 am-9:35 pm
2 stops15h 35m
Lima J Chavez Intl
Sun 5/3
12:10 am-9:19 pm
2 stops21h 09m
$765
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Tue 5/26
6:00 am-8:20 pm
2 stops14h 20m
Lima J Chavez Intl
Sun 6/7
8:55 am-11:56 pm
2 stops15h 01m
$790
Quickest round-trip
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Wed 6/10
7:05 pm-5:00 am
1 stop9h 55m
Lima J Chavez Intl
Sun 6/14
12:05 am-3:43 pm
1 stop15h 38m
$823
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Wed 5/20
6:00 am-9:35 pm
2 stops15h 35m
Lima J Chavez Intl
Tue 5/26
12:05 pm-11:59 pm
1 stop11h 54m
$823
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Wed 5/27
6:00 am-9:35 pm
2 stops15h 35m
Lima J Chavez Intl
Sat 6/6
8:55 am-8:07 am
2 stops23h 12m
$825
St. LouisArequipa
STL - AQP
STLAQP
Lambert-St Louis
Tue 5/5
4:41 pm-10:00 am
2 stops17h 19m
Arequipa Rodriguez Ballon
Tue 5/12
8:50 am-11:59 pm
2 stops15h 09m
$880
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Wed 5/6
11:42 am-10:30 pm
2 stops34h 48m
Cusco Velazco Astete
Wed 5/13
7:00 am-11:59 pm
2 stops16h 59m
$954
Showing 1-10 of 28 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-AQP
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-AQP
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 $440). Flying from St. Louis to Peru in September is currently the most expensive (average of $769). 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 March 23, 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
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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Alternative routes for St. Louis to Peru
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Complete your trip
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St. Louis and Peru flights
Browse other St. Louis and Peru flight options. Last updated on March 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$646 | Average$950 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$664 | Average$837 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$668 | Average$895 | FlexibilityNo cancel fee | On-time71% |