$225+ 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
Sep 10 — Sep 171
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 August 11, 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 August 11, 2026.
This Expedia deal was found by Cheapflights users on 8/8. 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.
Wed 10/284:05 pm -
2 stops18h 40m
Wed 11/42:55 am -
2 stops37h 31m
Deal found 8/8![Multiple Airlines logo]()
$666
This Orbitz deal was found by Cheapflights users on 8/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:05 pm -
1 stop13h 05m
Sat 11/78:00 am -
2 stops32h 26m
Deal found 8/8![Air Canada logo]()
$680
This Expedia deal was found by Cheapflights users on 8/8. 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.
Fri 10/304:05 pm -
2 stops59h 10m
Sat 11/78:00 am -
2 stops32h 26m
Deal found 8/8![Air Canada logo]()
$684
This FlightHub deal was found by Cheapflights users on 8/10. 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.
Tue 9/1512:00 pm -
2 stops17h 00m
Tue 9/2912:05 pm -
1 stop11h 37m
Deal found 8/10![LATAM Airlines logo]()
$685
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Fri 11/64:05 pm -
2 stops58h 10m
Sun 12/62:55 am -
2 stops37h 31m
Deal found 8/7![Air Canada logo]()
$690
This FlightHub deal was found by Cheapflights users on 8/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:20 pm -
1 stop9h 40m
Thu 11/512:10 pm -
1 stop12h 44m
Deal found 8/8![LATAM Airlines logo]()
$696
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Mon 11/94:05 pm -
2 stops27h 25m
Sun 11/228:00 am -
1 stop32h 26m
Deal found 8/7![Multiple Airlines logo]()
$703
This FlightHub deal was found by Cheapflights users on 8/10. 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 11/65:38 pm -
2 stops23h 52m
Mon 12/712:10 pm -
1 stop12h 46m
Deal found 8/10![LATAM Airlines logo]()
$706
This FlightHub deal was found by Cheapflights users on 8/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:25 pm -
1 stop14h 35m
Fri 11/612:10 pm -
1 stop12h 44m
Deal found 8/8![LATAM Airlines logo]()
$717
This Expedia deal was found by Cheapflights users on 8/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:05 pm -
2 stops21h 25m
Sat 12/1211:15 pm -
2 stops41h 11m
Deal found 8/9![Multiple Airlines logo]()
$852
This LATAM Airlines deal was found by Cheapflights users on 8/6. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:37 pm -
2 stops22h 58m
Thu 12/107:00 pm -
2 stops14h 53m
Deal found 8/6![LATAM Airlines logo]()
$959
This oojo deal was found by Cheapflights users on 8/10. 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.
Thu 9/246:00 am -
2 stops24h 10m
Thu 10/16:50 am -
2 stops16h 52m
Deal found 8/10![LATAM Airlines logo]()
$1,125
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 August 11, 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 August 11, 2026.
This Air Canada deal was found by Cheapflights users on 8/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:05 pm -
2 stops58h 10m
Sun 12/62:55 am -
2 stops37h 31m
Deal found 8/6![Air Canada logo]()
$690
This LATAM Airlines deal was found by Cheapflights users on 8/9. 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.
Wed 1/66:00 am -
2 stops14h 50m
Tue 1/1912:15 am -
2 stops18h 46m
Deal found 8/9![LATAM Airlines logo]()
$785
This American Airlines deal was found by Cheapflights users on 8/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 am -
1 stop17h 26m
Sun 11/2210:55 pm -
1 stop19h 30m
Deal found 8/6![American Airlines logo]()
$785
This Delta deal was found by Cheapflights users on 8/9. 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.
Wed 1/611:51 am -
1 stop16h 09m
Wed 1/2011:40 pm -
1 stop19h 21m
Deal found 8/9![Delta logo]()
$785
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 11/65:55 pm -
1 stop29h 00m
Mon 12/281:50 am -
1 stop21h 29m
Deal found 8/10![United Airlines logo]()
$830
This Mytrip deal was found by Cheapflights users on 8/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:40 pm -
3 stops34h 20m
Mon 9/288:20 am -
3 stops36h 00m
Deal found 8/7![Multiple Airlines logo]()
$1,140
This KAYAK deal was found by Cheapflights users on 8/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3011:39 am -
2 stops22h 09m
Fri 1/84:31 pm -
2 stops25h 53m
Deal found 8/6![GOL logo]()
$1,318
This Delta deal was found by Cheapflights users on 8/9. 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 9/712:52 pm -
1 stop16h 08m
Mon 9/2112:05 pm -
1 stop11h 37m
Deal found 8/9![Delta logo]()
$785
This LATAM Airlines deal was found by Cheapflights users on 8/7. 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 1/66:00 am -
2 stops14h 50m
Wed 1/1311:40 pm -
1 stop12h 08m
Deal found 8/7![LATAM Airlines logo]()
$785
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/66:52 am -
2 stops15h 33m
Wed 1/1310:55 pm -
2 stops17h 09m
Deal found 8/7![American Airlines logo]()
$790
This LATAM Airlines deal was found by Cheapflights users on 8/6. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:00 am -
2 stops14h 50m
Sun 11/228:40 pm -
2 stops25h 53m
Deal found 8/6![LATAM Airlines logo]()
$785
This LATAM Airlines deal was found by Cheapflights users on 8/6. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:37 pm -
2 stops22h 58m
Thu 12/107:00 pm -
2 stops14h 53m
Deal found 8/6![LATAM Airlines logo]()
$959
This LATAM Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 12/510:50 am -
2 stops13h 10m
Sat 12/1210:40 pm -
3 stops47h 33m
Deal found 8/9![Multiple Airlines logo]()
$1,248
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:00 pm -
2 stops15h 48m
Fri 1/84:31 pm -
2 stops25h 53m
Deal found 8/7![American Airlines logo]()
$1,346
This LATAM Airlines deal was found by Cheapflights users on 8/7. 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 12/62:31 pm -
2 stops24h 04m
Tue 12/87:35 am -
2 stops26h 18m
Deal found 8/7![LATAM Airlines logo]()
$1,177
This FlightHub deal was found by Cheapflights users on 8/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:30 pm -
2 stops21h 40m
Tue 9/298:35 am -
2 stops15h 07m
Deal found 8/8![LATAM Airlines logo]()
$1,206
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/242:11 pm -
2 stops17h 56m
Thu 10/18:25 pm -
3 stops16h 38m
Deal found 8/10![American Airlines logo]()
$1,528
This LATAM Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 12/510:50 am -
2 stops13h 10m
Wed 12/98:40 am -
2 stops16h 16m
Deal found 8/10![LATAM Airlines logo]()
$1,241
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Wed 9/235:00 am -
2 stops25h 32m
Tue 9/297:20 pm -
3 stops17h 43m
Deal found 8/8![American Airlines logo]()
$1,555
This BusinessClass deal was found by Cheapflights users on 8/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:40 pm -
2 stops14h 55m
Fri 1/84:15 pm -
3 stops26h 46m
Deal found 8/6![LATAM Airlines logo]()
$1,322
Last-minute flights from St. Louis to PeruDiscover last-minute flight deals from St. Louis to Peru. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Peru. Data last updated August 11, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 9/75:23 pm -
1 stop11h 37m
Mon 9/2112:05 pm -
1 stop11h 37m
Deal found 8/11![LATAM Airlines logo]()
$753
This Delta deal was found by Cheapflights users on 8/9. 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 9/712:52 pm -
1 stop16h 08m
Mon 9/2112:05 pm -
1 stop11h 37m
Deal found 8/9![Delta logo]()
$785
This FlightHub deal was found by Cheapflights users on 8/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am -
2 stops15h 35m
Tue 9/1512:05 pm -
1 stop20h 55m
Deal found 8/9![LATAM Airlines logo]()
$769
This FlightHub deal was found by Cheapflights users on 8/10. 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.
Tue 9/1512:00 pm -
2 stops17h 00m
Tue 9/2912:05 pm -
1 stop11h 37m
Deal found 8/10![LATAM Airlines logo]()
$685
This FlightHub deal was found by Cheapflights users on 8/7. 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.
Sun 9/202:30 pm -
1 stop14h 30m
Mon 10/51:30 pm -
2 stops21h 21m
Deal found 8/7![LATAM Airlines logo]()
$737
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:00 am -
1 stop17h 25m
Mon 10/511:45 pm -
2 stops16h 12m
Deal found 8/11![American Airlines logo]()
$790
This Delta deal was found by Cheapflights users on 8/9. 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.
Sun 9/206:00 am -
1 stop15h 55m
Sun 10/412:05 am -
1 stop23h 37m
Deal found 8/9![Delta logo]()
$816
This Mytrip deal was found by Cheapflights users on 8/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:40 pm -
3 stops34h 20m
Mon 9/288:20 am -
3 stops36h 00m
Deal found 8/7![Multiple Airlines logo]()
$1,140
This LATAM Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 9/2112:00 pm -
2 stops13h 00m
Mon 9/288:20 am -
2 stops15h 22m
Deal found 8/7![LATAM Airlines logo]()
$1,184
This FlightHub deal was found by Cheapflights users on 8/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:05 am -
2 stops22h 00m
Tue 9/2912:05 pm -
1 stop20h 55m
Deal found 8/8![LATAM Airlines logo]()
$821
This FlightHub deal was found by Cheapflights users on 8/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:30 pm -
2 stops21h 40m
Tue 9/298:35 am -
2 stops15h 07m
Deal found 8/8![LATAM Airlines logo]()
$1,206
This oojo deal was found by Cheapflights users on 8/10. 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.
Thu 9/246:00 am -
2 stops24h 10m
Thu 10/16:50 am -
2 stops16h 52m
Deal found 8/10![LATAM Airlines logo]()
$1,125
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 August 11, 2026.
Search for one-way flight options from St. Louis to Peru. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 10/22:29 pm -
3 stops38h 32m
Deal found 8/10![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Thu 10/110:20 am -
3 stops42h 41m
Deal found 8/10![Multiple Airlines logo]()
$285
This Expedia deal was found by Cheapflights users on 8/10. 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.
Sat 11/214:05 pm -
2 stops34h 10m
Deal found 8/10![Air Canada logo]()
$330
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 10/15:00 am -
1 stop15h 30m
Deal found 8/10![American Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sat 11/217:31 pm -
3 stops56h 29m
Deal found 8/10![Multiple Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 8/10. 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.
Fri 10/22:30 pm -
1 stop14h 30m
Deal found 8/10![Delta logo]()
$539
This American Airlines deal was found by Cheapflights users on 8/9. 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 10/96:07 pm -
2 stops21h 43m
Deal found 8/9![American Airlines logo]()
$649
This FlightHub deal was found by Cheapflights users on 8/10. 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 10/912:10 pm -
2 stops23h 10m
Deal found 8/10![Multiple Airlines logo]()
$664
This BusinessClass deal was found by Cheapflights users on 8/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
3 stops17h 25m
Deal found 8/10![LATAM Airlines logo]()
$776
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 August 11, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $666 (Expedia) |
One-way from | $225 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $1,053 |
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 August 11, 2026.
Use the filters below to find and compare flights from St. Louis to Peru that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Fri 11/6
4:05 pm-3:15 am
2 stops58h 10m
Lima J Chavez Intl
Sun 12/6
2:55 am-3:26 pm
2 stops37h 31m
$690
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Wed 1/6
6:00 am-9:50 pm
2 stops14h 50m
Lima J Chavez Intl
Tue 1/19
12:15 am-6:01 pm
2 stops18h 46m
$785
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Mon 11/9
5:00 am-11:26 pm
1 stop17h 26m
Lima J Chavez Intl
Sun 11/22
10:55 pm-5:25 pm
1 stop19h 30m
$785
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Wed 1/6
11:51 am-5:00 am
1 stop16h 09m
Lima J Chavez Intl
Wed 1/20
11:40 pm-6:01 pm
1 stop19h 21m
$785
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Mon 9/7
12:52 pm-5:00 am
1 stop16h 08m
Lima J Chavez Intl
Mon 9/21
12:05 pm-11:42 pm
1 stop11h 37m
$785
Quickest round-trip
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Wed 1/6
6:00 am-9:50 pm
2 stops14h 50m
Lima J Chavez Intl
Wed 1/13
11:40 pm-10:48 am
1 stop12h 08m
$785
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Mon 11/9
6:00 am-9:50 pm
2 stops14h 50m
Lima J Chavez Intl
Sun 11/22
8:40 pm-9:33 pm
2 stops25h 53m
$785
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Wed 1/6
6:52 am-11:25 pm
2 stops15h 33m
Lima J Chavez Intl
Wed 1/13
10:55 pm-3:04 pm
2 stops17h 09m
$790
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Fri 11/6
5:55 pm-11:55 pm
1 stop29h 00m
Lima J Chavez Intl
Mon 12/28
1:50 am-10:19 pm
1 stop21h 29m
$830
St. LouisArequipa
STL Lambert-St Louis - AQP Arequipa Rodriguez Ballon
STLAQP
Lambert-St Louis
Mon 12/7
5:37 pm-5:35 pm
2 stops22h 58m
Arequipa Rodriguez Ballon
Thu 12/10
7:00 pm-8:53 am
2 stops14h 53m
$959
Showing 1-10 of 29 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 $664). Flying from St. Louis to Peru in November is currently the most expensive (average of $1,158). 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 August 11, 2026.
Read through reviews of airlines operating flights from St. Louis to Peru, such as Delta,LATAM Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Entertainment
7.8
Boarding
8.1
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
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Peru by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Peru by cabin class
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 August 11, 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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$613 | Average$949 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$650 | Average$1,034 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$730 | Average$956 | FlexibilityNo cancel fee | On-time71% |