$284+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIM
Aug 11 — Aug 181
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Peru with Cheapflights
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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 July 12, 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 July 12, 2026.
This Air Canada deal was found by Cheapflights users on 7/9. 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.
Mon 11/94:05 pm
STL
- LIM
2 stops23h 25m
Multiple Airlines
Sun 11/228:00 am
LIM
- STL
1 stop32h 26m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$619
This FlightHub deal was found by Cheapflights users on 7/7. 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 11/94:40 pm
STL
- LIM
1 stop11h 20m
LATAM Airlines
Sun 11/2212:00 pm
LIM
- STL
1 stop12h 39m
LATAM Airlines
Deal found 7/7![LATAM Airlines logo]()
$701
This oojo deal was found by Cheapflights users on 7/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:54 pm
STL
- LIM
2 stops26h 46m
LATAM Airlines
Mon 10/512:05 pm
LIM
- STL
1 stop11h 37m
LATAM Airlines
Deal found 7/9![LATAM Airlines logo]()
$724
This FlightHub deal was found by Cheapflights users on 7/10. 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.
Sun 10/46:54 pm
STL
- LIM
2 stops25h 26m
LATAM Airlines
Tue 10/1312:05 pm
LIM
- STL
1 stop20h 44m
LATAM Airlines
Deal found 7/10![LATAM Airlines logo]()
$743
This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:00 am
STL
- LIM
2 stops11h 40m
LATAM Airlines
Mon 12/218:20 am
LIM
- STL
2 stops16h 19m
LATAM Airlines
Deal found 7/8![LATAM Airlines logo]()
$751
This LATAM Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:02 am
STL
- LIM
2 stops22h 03m
LATAM Airlines
Sun 10/1812:05 am
LIM
- STL
1 stop10h 46m
LATAM Airlines
Deal found 7/7![LATAM Airlines logo]()
$765
This Delta deal was found by Cheapflights users on 7/7. 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 10/122:25 pm
STL
- LIM
2 stops14h 35m
Delta
Mon 10/198:15 am
LIM
- STL
2 stops15h 33m
Delta
Deal found 7/7![Delta logo]()
$770
This LATAM Airlines deal was found by Cheapflights users on 7/8. 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.
Mon 9/2812:00 pm
STL
- TPP
2 stops27h 30m
LATAM Airlines
Thu 10/18:15 am
TPP
- STL
2 stops15h 27m
LATAM Airlines
Deal found 7/8![LATAM Airlines logo]()
$963
This LATAM Airlines deal was found by Cheapflights users on 7/9. 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 9/2810:05 am
STL
- AQP
2 stops27h 10m
LATAM Airlines
Thu 10/18:50 am
AQP
- STL
2 stops14h 52m
LATAM Airlines
Deal found 7/9![LATAM Airlines logo]()
$993
This Air Canada deal was found by Cheapflights users on 7/9. 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.
Wed 10/284:05 pm
STL
- CUZ
2 stops19h 15m
Air Canada
Sun 11/15:10 pm
CUZ
- STL
2 stops47h 16m
Air Canada
Deal found 7/9![Air Canada logo]()
$1,005
This LATAM Airlines deal was found by Cheapflights users on 7/7. 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 12/64:13 pm
STL
- AQP
2 stops19h 57m
LATAM Airlines
Thu 12/107:35 pm
AQP
- STL
2 stops22h 31m
LATAM Airlines
Deal found 7/7![LATAM Airlines logo]()
$1,020
This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 am
STL
- CUZ
2 stops24h 10m
LATAM Airlines
Tue 9/2210:45 pm
CUZ
- STL
2 stops24h 57m
LATAM Airlines
Deal found 7/8![LATAM Airlines logo]()
$1,098
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 July 12, 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 July 12, 2026.
This oojo deal was found by Cheapflights users on 7/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/66:00 am
STL
- LIM
2 stops14h 40m
LATAM Airlines
Tue 1/1912:15 am
LIM
- STL
2 stops18h 46m
LATAM Airlines
Deal found 7/11![LATAM Airlines logo]()
$728
This Delta deal was found by Cheapflights users on 7/11. 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.
Wed 1/63:40 pm
STL
- LIM
1 stop12h 20m
Delta
Wed 1/2012:00 pm
LIM
- STL
1 stop12h 39m
Delta
Deal found 7/11![Delta logo]()
$765
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:09 pm
STL
- LIM
2 stops14h 01m
American Airlines
Sun 12/2012:45 am
LIM
- STL
1 stop18h 06m
American Airlines
Deal found 7/10![American Airlines logo]()
$817
This Air Canada deal was found by Cheapflights users on 7/7. 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 10/284:05 pm
STL
- CUZ
2 stops19h 15m
Air Canada
Sun 11/15:10 pm
CUZ
- STL
2 stops47h 16m
Air Canada
Deal found 7/7![Air Canada logo]()
$1,005
This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:54 pm
STL
- LIM
2 stops26h 46m
LATAM Airlines
Mon 10/51:30 pm
LIM
- STL
2 stops21h 21m
LATAM Airlines
Deal found 7/8![LATAM Airlines logo]()
$728
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:30 pm
STL
- LIM
1 stop14h 30m
Delta
Sun 11/2212:00 pm
LIM
- STL
1 stop12h 39m
Delta
Deal found 7/9![Delta logo]()
$790
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:54 pm
STL
- LIM
2 stops14h 16m
American Airlines
Sat 10/176:30 am
LIM
- STL
1 stop15h 26m
American Airlines
Deal found 7/9![American Airlines logo]()
$820
This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:00 am
STL
- LIM
2 stops11h 40m
LATAM Airlines
Mon 12/218:20 am
LIM
- STL
2 stops16h 19m
LATAM Airlines
Deal found 7/8![LATAM Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 7/11. 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.
Fri 10/210:05 am
STL
- LIM
2 stops18h 55m
Delta
Fri 10/1612:05 am
LIM
- STL
2 stops16h 18m
Delta
Deal found 7/11![Delta logo]()
$820
This FlightHub deal was found by Cheapflights users on 7/10. 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.
Fri 10/22:30 pm
STL
- LIM
1 stop14h 30m
LATAM Airlines
Sat 10/1712:05 pm
LIM
- STL
1 stop20h 44m
LATAM Airlines
Deal found 7/10![LATAM Airlines logo]()
$815
This Delta deal was found by Cheapflights users on 7/10. 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.
Thu 1/74:13 pm
STL
- LIM
1 stop13h 42m
Delta
Thu 1/1412:00 pm
LIM
- STL
1 stop12h 39m
Delta
Deal found 7/10![Delta logo]()
$840
This LATAM Airlines deal was found by Cheapflights users on 7/10. 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.
Mon 9/2812:00 pm
STL
- TPP
2 stops27h 30m
LATAM Airlines
Thu 10/18:15 am
TPP
- STL
2 stops15h 27m
LATAM Airlines
Deal found 7/10![LATAM Airlines logo]()
$963
This LATAM Airlines deal was found by Cheapflights users on 7/9. 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 9/2810:05 am
STL
- AQP
2 stops27h 10m
LATAM Airlines
Thu 10/18:50 am
AQP
- STL
2 stops14h 52m
LATAM Airlines
Deal found 7/9![LATAM Airlines logo]()
$993
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:00 am
STL
- CUZ
2 stops22h 30m
Delta
Tue 8/258:25 am
CUZ
- STL
2 stops14h 56m
Delta
Deal found 7/9![Delta logo]()
$1,154
This LATAM Airlines deal was found by Cheapflights users on 7/7. 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 12/64:13 pm
STL
- AQP
2 stops19h 57m
LATAM Airlines
Thu 12/107:35 pm
AQP
- STL
2 stops22h 31m
LATAM Airlines
Deal found 7/7![LATAM Airlines logo]()
$1,020
This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 am
STL
- CUZ
2 stops24h 10m
LATAM Airlines
Tue 9/2210:45 pm
CUZ
- STL
2 stops24h 57m
LATAM Airlines
Deal found 7/8![LATAM Airlines logo]()
$1,098
This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:31 am
STL
- CUZ
2 stops19h 39m
LATAM Airlines
Sat 8/2910:05 pm
CUZ
- STL
2 stops25h 53m
LATAM Airlines
Deal found 7/8![LATAM Airlines logo]()
$1,130
This oojo deal was found by Cheapflights users on 7/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:28 pm
STL
- CUZ
2 stops31h 32m
LATAM Airlines
Sat 10/247:30 am
CUZ
- STL
2 stops16h 18m
LATAM Airlines
Deal found 7/10![LATAM Airlines logo]()
$1,188
This Ovago deal was found by Cheapflights users on 7/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 am
STL
- CUZ
3 stops25h 05m
LATAM Airlines
Sun 8/305:00 am
CUZ
- STL
3 stops18h 58m
LATAM Airlines
Deal found 7/9![LATAM Airlines logo]()
$1,234
Last-minute flights from St. Louis to PeruDiscover last-minute flight deals from St. Louis to Peru. Data last updated July 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Peru. Data last updated July 12, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 7/7. 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 8/511:00 am
STL
- LIM
2 stops21h 05m
LATAM Airlines
Mon 8/178:55 am
LIM
- STL
2 stops15h 03m
LATAM Airlines
Deal found 7/7![LATAM Airlines logo]()
$950
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:08 pm
STL
- LIM
2 stops32h 53m
Multiple Airlines
Fri 8/1412:10 pm
LIM
- STL
1 stop26h 13m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$900
This Justfly.com deal was found by Cheapflights users on 7/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:00 am
STL
- LIM
2 stops34h 35m
LATAM Airlines
Mon 8/2412:05 pm
LIM
- STL
1 stop11h 53m
LATAM Airlines
Deal found 7/11![LATAM Airlines logo]()
$800
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:00 am
STL
- CUZ
2 stops22h 30m
Delta
Tue 8/258:25 am
CUZ
- STL
2 stops14h 56m
Delta
Deal found 7/9![Delta logo]()
$1,154
This Mytrip deal was found by Cheapflights users on 7/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 am
STL
- CUZ
3 stops26h 25m
Multiple Airlines
Tue 8/255:10 pm
CUZ
- STL
3 stops27h 14m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,807
This oojo deal was found by Cheapflights users on 7/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:23 pm
STL
- LIM
2 stops28h 17m
LATAM Airlines
Sat 8/2212:05 pm
LIM
- STL
1 stop11h 26m
LATAM Airlines
Deal found 7/11![LATAM Airlines logo]()
$915
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:00 am
STL
- LIM
1 stop17h 25m
American Airlines
Sat 8/2211:45 pm
LIM
- STL
1 stop11h 00m
American Airlines
Deal found 7/9![American Airlines logo]()
$1,007
This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:31 am
STL
- CUZ
2 stops19h 39m
LATAM Airlines
Sat 8/2910:05 pm
CUZ
- STL
2 stops25h 53m
LATAM Airlines
Deal found 7/8![LATAM Airlines logo]()
$1,130
This Mytrip deal was found by Cheapflights users on 7/8. 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.
Sat 8/228:55 am
STL
- CUZ
3 stops26h 25m
Multiple Airlines
Sat 8/296:50 am
CUZ
- STL
3 stops31h 12m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,844
This oojo deal was found by Cheapflights users on 7/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 am
STL
- CUZ
2 stops24h 10m
LATAM Airlines
Sun 8/3011:20 pm
CUZ
- STL
2 stops24h 38m
LATAM Airlines
Deal found 7/9![LATAM Airlines logo]()
$1,107
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 July 12, 2026.
Search for one-way flight options from St. Louis to Peru. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:35 am
STL
- LIM
3 stops42h 26m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$284
This FlightHub deal was found by Cheapflights users on 7/6. 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 11/234:40 pm
STL
- LIM
1 stop11h 20m
LATAM Airlines
Deal found 7/6![LATAM Airlines logo]()
$398
This oojo deal was found by Cheapflights users on 7/7. 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.
Fri 10/26:54 pm
STL
- LIM
1 stop10h 06m
LATAM Airlines
Deal found 7/7![LATAM Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 7/8. 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.
Fri 10/24:59 pm
STL
- LIM
1 stop12h 01m
Delta
Deal found 7/8![Delta logo]()
$504
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:07 pm
STL
- CUZ
2 stops26h 03m
American Airlines
Deal found 7/8![American Airlines logo]()
$641
This FlightHub deal was found by Cheapflights users on 7/10. 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.
Fri 10/97:20 pm
STL
- CUZ
2 stops51h 15m
LATAM Airlines
Deal found 7/10![LATAM Airlines logo]()
$725
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 July 12, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $619 (Air Canada) |
One-way from | $284 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $987 |
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 July 12, 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
Wed 1/6
6:00 am-9:40 pm
2 stops14h 40m
Lima J Chavez Intl
Tue 1/19
12:15 am-6:01 pm
2 stops18h 46m
$728
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Sun 9/20
6:54 pm-9:40 pm
2 stops26h 46m
Lima J Chavez Intl
Mon 10/5
1:30 pm-10:51 am
2 stops21h 21m
$728
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Sat 12/12
9:00 am-9:40 pm
2 stops11h 40m
Lima J Chavez Intl
Mon 12/21
8:20 am-11:39 pm
2 stops16h 19m
$751
Quickest round-trip
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Wed 1/6
3:40 pm-5:00 am
1 stop12h 20m
Lima J Chavez Intl
Wed 1/20
12:00 pm-11:39 pm
1 stop12h 39m
$765
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Mon 11/9
1:30 pm-5:00 am
1 stop14h 30m
Lima J Chavez Intl
Sun 11/22
12:00 pm-11:39 pm
1 stop12h 39m
$790
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Fri 10/2
2:30 pm-5:00 am
1 stop14h 30m
Lima J Chavez Intl
Sat 10/17
12:05 pm-8:49 am
1 stop20h 44m
$815
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Sat 12/12
2:09 pm-5:10 am
2 stops14h 01m
Lima J Chavez Intl
Sun 12/20
12:45 am-5:51 pm
1 stop18h 06m
$817
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Fri 10/2
1:54 pm-4:10 am
2 stops14h 16m
Lima J Chavez Intl
Sat 10/17
6:30 am-9:56 pm
1 stop15h 26m
$820
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Fri 10/2
10:05 am-5:00 am
2 stops18h 55m
Lima J Chavez Intl
Fri 10/16
12:05 am-4:23 pm
2 stops16h 18m
$820
St. LouisLima
STL - LIM
STLLIM
Lambert-St Louis
Thu 1/7
4:13 pm-6:55 am
1 stop13h 42m
Lima J Chavez Intl
Thu 1/14
12:00 pm-11:39 pm
1 stop12h 39m
$840
Showing 1-10 of 23 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
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-TPP
STL-AQP
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 $384). Flying from St. Louis to Peru in July is currently the most expensive (average of $790). 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 48 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 July 12, 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.
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.8
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 July 12, 2026.
Popular flight searches
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Top 3 airlines flying from St. Louis to Peru
Discover the top 3 airlines that operate flights from St. Louis to Peru. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$613 | Average$840 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$650 | Average$1,009 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$730 | Average$956 | FlexibilityNo cancel fee | On-time71% |