$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
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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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 May 13, 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 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![Air Canada logo]()
$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![Air Canada logo]()
$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![Air Canada logo]()
$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![LATAM Airlines logo]()
$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![LATAM Airlines logo]()
$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![LATAM Airlines logo]()
$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![LATAM Airlines logo]()
$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![United Airlines logo]()
$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![United Airlines logo]()
$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![LATAM Airlines logo]()
$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![Multiple Airlines logo]()
$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![LATAM Airlines logo]()
$909
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 May 13, 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 May 13, 2026.
This FlightHub 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 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 5/10![Air Canada logo]()
$637
This Air Canada deal was found by Cheapflights users on 5/8. 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 5/8![Multiple Airlines logo]()
$637
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.
Mon 11/96:15 am
STL
- LIM
1 stop16h 40m
United Airlines
Wed 11/111:50 am
LIM
- STL
1 stop15h 45m
United Airlines
Deal found 5/9![United Airlines logo]()
$765
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 am
STL
- LIM
2 stops15h 35m
Delta
Wed 11/188:50 am
LIM
- STL
2 stops15h 49m
Delta
Deal found 5/10![Delta logo]()
$765
This KAYAK 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 KAYAK 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 10/512:05 pm
LIM
- STL
1 stop20h 07m
LATAM Airlines
Deal found 5/13![LATAM Airlines logo]()
$770
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2511:15 am
STL
- CUZ
2 stops19h 00m
GOL
Sun 7/59:00 pm
CUZ
- STL
2 stops25h 53m
GOL
Deal found 5/10![GOL logo]()
$1,165
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![United Airlines logo]()
$780
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 10/265:30 pm
STL
- LIM
1 stop11h 30m
LATAM Airlines
Thu 10/298:50 am
LIM
- STL
2 stops14h 49m
LATAM Airlines
Deal found 5/12![LATAM Airlines logo]()
$789
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
STL
- LIM
1 stop15h 55m
Delta
Sun 6/288:55 am
LIM
- STL
2 stops15h 01m
Delta
Deal found 5/11![Delta logo]()
$790
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am
STL
- LIM
1 stop16h 40m
United Airlines
Wed 10/2812:50 am
LIM
- STL
2 stops31h 47m
United Airlines
Deal found 5/10![United Airlines logo]()
$787
This LATAM 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 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 stops14h 51m
LATAM Airlines
Thu 11/125:15 pm
AQP
- STL
2 stops25h 46m
LATAM Airlines
Deal found 5/9![LATAM Airlines logo]()
$909
This LATAM Airlines deal was found by Cheapflights users on 5/8. 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 11/87:05 pm
STL
- AQP
2 stops21h 35m
LATAM Airlines
Thu 11/127:45 pm
AQP
- STL
2 stops16h 03m
LATAM Airlines
Deal found 5/8![LATAM Airlines logo]()
$939
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:16 am
STL
- CUZ
2 stops28h 59m
GOL
Thu 6/1811:05 pm
CUZ
- STL
2 stops23h 52m
GOL
Deal found 5/12![GOL logo]()
$1,203
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/111:05 pm
STL
- CUZ
3 stops32h 50m
Multiple Airlines
Thu 6/185:00 am
CUZ
- STL
3 stops31h 21m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,292
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:42 am
STL
- CUZ
3 stops23h 43m
GOL
Thu 8/137:55 am
CUZ
- STL
2 stops26h 50m
GOL
Deal found 5/10![GOL logo]()
$1,267
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:51 am
STL
- CUZ
2 stops20h 29m
LATAM Airlines
Thu 6/186:50 am
CUZ
- STL
2 stops17h 06m
LATAM Airlines
Deal found 5/12![LATAM Airlines logo]()
$1,206
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 11/96:00 am
STL
- CUZ
2 stops17h 40m
LATAM Airlines
Fri 11/136:45 pm
CUZ
- STL
2 stops17h 03m
LATAM Airlines
Deal found 5/12![LATAM Airlines logo]()
$1,216
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:12 pm
STL
- CUZ
2 stops29h 48m
LATAM Airlines
Sun 6/1412:10 pm
CUZ
- STL
2 stops35h 46m
LATAM Airlines
Deal found 5/8![LATAM Airlines logo]()
$1,275
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:00 am
STL
- CUZ
2 stops19h 00m
LATAM Airlines
Fri 7/35:00 am
CUZ
- STL
3 stops28h 08m
LATAM Airlines
Deal found 5/11![LATAM Airlines logo]()
$1,308
Last-minute flights from St. Louis to PeruDiscover last-minute flight deals from St. Louis to Peru. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Peru. Data last updated May 13, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/8. 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 6/71:05 pm
STL
- CUZ
3 stops35h 55m
Multiple Airlines
Sun 6/148:20 am
CUZ
- STL
3 stops27h 46m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,250
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:12 pm
STL
- CUZ
2 stops29h 48m
LATAM Airlines
Sun 6/1412:10 pm
CUZ
- STL
2 stops35h 46m
LATAM Airlines
Deal found 5/8![LATAM Airlines logo]()
$1,275
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
1 stop15h 55m
LATAM Airlines
Wed 6/2412:05 pm
LIM
- STL
1 stop11h 51m
LATAM Airlines
Deal found 5/11![LATAM Airlines logo]()
$734
This Delta 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 Delta 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 20m
Delta
Sun 6/288:55 am
LIM
- STL
2 stops15h 01m
Delta
Deal found 5/11![Delta logo]()
$790
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:16 am
STL
- CUZ
2 stops28h 59m
GOL
Thu 6/1811:05 pm
CUZ
- STL
2 stops23h 52m
GOL
Deal found 5/12![GOL logo]()
$1,203
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:51 am
STL
- CUZ
2 stops20h 29m
LATAM Airlines
Thu 6/186:50 am
CUZ
- STL
2 stops17h 06m
LATAM Airlines
Deal found 5/12![LATAM Airlines logo]()
$1,206
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![LATAM Airlines logo]()
$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.
Sun 6/1410:51 am
STL
- LIM
2 stops18h 09m
LATAM Airlines
Tue 6/2312:05 pm
LIM
- STL
1 stop20h 11m
LATAM Airlines
Deal found 5/11![LATAM Airlines logo]()
$770
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![United Airlines logo]()
$780
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![United Airlines logo]()
$775
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:00 am
STL
- LIM
2 stops14h 55m
LATAM Airlines
Sat 7/412:55 am
LIM
- STL
2 stops32h 51m
LATAM Airlines
Deal found 5/10![LATAM Airlines logo]()
$810
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2511:15 am
STL
- CUZ
2 stops19h 00m
GOL
Sun 7/59:00 pm
CUZ
- STL
2 stops25h 53m
GOL
Deal found 5/10![GOL logo]()
$1,165
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 May 13, 2026.
Search for one-way flight options from St. Louis to Peru. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:33 pm
STL
- LIM
3 stops58h 28m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$234
This Kiwi.com 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 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 5/10![Multiple Airlines logo]()
$255
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:35 am
STL
- LIM
3 stops42h 26m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$466
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 6/166:00 am
STL
- LIM
1 stop15h 25m
United Airlines
Deal found 5/11![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 6/77:08 am
STL
- LIM
1 stop14h 47m
Delta
Deal found 5/8![Delta logo]()
$499
This Delta deal was found by Cheapflights users on 5/8. 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 6/26:00 am
STL
- LIM
1 stop15h 55m
Delta
Deal found 5/8![Delta logo]()
$506
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/71:39 pm
STL
- LIM
1 stop15h 21m
LATAM Airlines
Deal found 5/12![LATAM Airlines logo]()
$522
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:16 am
STL
- LIM
1 stop17h 09m
American Airlines
Deal found 5/12![American Airlines logo]()
$536
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am
STL
- CUZ
2 stops19h 00m
Delta
Deal found 5/12![Delta logo]()
$671
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am
STL
- CUZ
3 stops19h 00m
LATAM Airlines
Deal found 5/12![LATAM Airlines logo]()
$736
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 |
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
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
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
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
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
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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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Find flights from St. Louis to Peru, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Peru flights
Browse other St. Louis and Peru flight options. Last updated on May 13, 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 May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$554 | Average$834 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$650 | Average$1,006 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$668 | Average$950 | FlexibilityNo cancel fee | On-time71% |