$313+ Cheap flights from St. Louis (STL) to Peru
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIM
Dec 9 — Dec 161
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
One-way
Cheapest flights from St. Louis to PeruExplore the most affordable flight options available from St. Louis to Peru. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 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 November 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 11/256:05 pm -
2 stops33h 50m
Wed 12/99:10 am -
1 stop32h 30m
Deal found 11/4![Multiple Airlines logo]()
$775
This FlightHub deal was found by Cheapflights users on 11/4. 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 11/255:48 pm -
1 stop10h 12m
Wed 12/912:10 pm -
1 stop12h 55m
Deal found 11/4![LATAM Airlines logo]()
$846
This Air Canada deal was found by Cheapflights users on 11/6. 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.
Sat 11/214:05 pm -
2 stops34h 10m
Wed 12/28:00 am -
1 stop32h 26m
Deal found 11/6![Air Canada logo]()
$851
This Air Canada deal was found by Cheapflights users on 11/6. 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.
Sat 11/214:05 pm -
2 stops34h 10m
Mon 11/308:00 am -
2 stops32h 26m
Deal found 11/6![Air Canada logo]()
$854
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:45 am -
1 stop12h 10m
Tue 12/221:50 am -
1 stop19h 33m
Deal found 11/6![United Airlines logo]()
$856
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:55 pm -
2 stops28h 00m
Mon 12/211:50 am -
2 stops33h 52m
Deal found 11/6![United Airlines logo]()
$860
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:30 am -
1 stop14h 25m
Sun 12/201:50 am -
1 stop21h 40m
Deal found 11/6![United Airlines logo]()
$866
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:30 am -
2 stops16h 25m
Mon 12/281:50 am -
2 stops35h 36m
Deal found 11/8![United Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:00 am -
1 stop16h 55m
Sat 12/191:50 am -
1 stop19h 33m
Deal found 11/6![United Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:30 am -
2 stops16h 25m
Fri 12/1811:55 pm -
2 stops19h 23m
Deal found 11/6![United Airlines logo]()
$885
This KAYAK deal was found by Cheapflights users on 11/6. 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.
Sun 12/610:35 am -
2 stops33h 10m
Sun 12/1310:25 pm -
2 stops20h 00m
Deal found 11/6![GOL logo]()
$1,232
This FlightHub deal was found by Cheapflights users on 11/4. 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 11/55:38 pm -
2 stops23h 17m
Sun 11/811:15 pm -
2 stops25h 41m
Deal found 11/4![LATAM Airlines logo]()
$1,570
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 November 9, 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 November 9, 2026.
This FlightHub deal was found by Cheapflights users on 11/8. 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 5/57:05 pm -
1 stop9h 55m
Mon 5/1712:05 pm -
1 stop20h 07m
Deal found 11/8![LATAM Airlines logo]()
$740
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Thu 1/144:05 pm -
2 stops34h 10m
Thu 1/218:00 am -
2 stops32h 26m
Deal found 11/4![Air Canada logo]()
$796
This Delta deal was found by Cheapflights users on 11/8. 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.
Wed 1/62:16 pm -
1 stop17h 44m
Wed 1/2011:40 pm -
1 stop17h 11m
Deal found 11/8![Delta logo]()
$856
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/46:15 am -
1 stop16h 40m
Wed 2/171:50 am -
1 stop15h 56m
Deal found 11/6![United Airlines logo]()
$856
This Delta deal was found by Cheapflights users on 11/5. 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 2/810:13 am -
1 stop10h 07m
Mon 2/1511:40 pm -
1 stop12h 20m
Deal found 11/5![Delta logo]()
$856
This Delta deal was found by Cheapflights users on 11/8. 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.
Wed 5/56:00 am -
2 stops13h 25m
Sun 5/1612:15 am -
2 stops17h 46m
Deal found 11/8![Delta logo]()
$856
This LATAM Airlines deal was found by Cheapflights users on 11/6. 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.
Sun 12/611:00 am -
3 stops21h 05m
Sun 12/1310:45 pm -
2 stops26h 20m
Deal found 11/6![Multiple Airlines logo]()
$2,362
This LATAM Airlines deal was found by Cheapflights users on 11/7. 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 1/274:56 pm -
2 stops15h 34m
Mon 2/227:45 pm -
2 stops14h 24m
Deal found 11/7![LATAM Airlines logo]()
$1,334
This LATAM Airlines deal was found by Cheapflights users on 11/4. 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 11/295:30 pm -
2 stops13h 30m
Thu 12/35:20 pm -
2 stops19h 09m
Deal found 11/4![LATAM Airlines logo]()
$1,679
This Booking.com deal was found by Cheapflights users on 11/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/274:05 pm -
2 stops18h 20m
Mon 2/225:10 pm -
3 stops29h 13m
Deal found 11/7![Air Canada logo]()
$1,892
Last-minute flights from St. Louis to PeruDiscover last-minute flight deals from St. Louis to Peru. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Peru. Data last updated November 9, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 11/6. 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.
Sat 11/214:05 pm -
2 stops34h 10m
Wed 12/28:00 am -
1 stop32h 26m
Deal found 11/6![Air Canada logo]()
$851
This Air Canada deal was found by Cheapflights users on 11/6. 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.
Sat 11/214:05 pm -
2 stops34h 10m
Mon 11/308:00 am -
2 stops32h 26m
Deal found 11/6![Air Canada logo]()
$854
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 11/256:05 pm -
2 stops33h 50m
Wed 12/99:10 am -
1 stop32h 30m
Deal found 11/4![Multiple Airlines logo]()
$775
This FlightHub deal was found by Cheapflights users on 11/4. 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 11/255:48 pm -
1 stop10h 12m
Wed 12/912:10 pm -
1 stop12h 55m
Deal found 11/4![LATAM Airlines logo]()
$846
This KAYAK deal was found by Cheapflights users on 11/6. 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.
Sun 12/610:35 am -
2 stops33h 10m
Sun 12/1310:25 pm -
2 stops20h 00m
Deal found 11/6![GOL logo]()
$1,232
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:55 pm -
2 stops28h 00m
Thu 12/2411:55 pm -
2 stops20h 07m
Deal found 11/6![United Airlines logo]()
$860
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:00 am -
1 stop16h 55m
Sat 12/191:50 am -
1 stop19h 33m
Deal found 11/6![United Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:45 am -
1 stop12h 10m
Tue 12/221:50 am -
1 stop19h 33m
Deal found 11/6![United Airlines logo]()
$856
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 am -
1 stop16h 55m
Mon 12/211:50 am -
1 stop21h 40m
Deal found 11/6![United Airlines logo]()
$866
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:25 am -
2 stops17h 30m
Sun 12/201:50 am -
1 stop21h 40m
Deal found 11/6![United Airlines logo]()
$870
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:30 am -
2 stops16h 25m
Mon 12/281:50 am -
2 stops35h 36m
Deal found 11/8![United Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:30 am -
2 stops16h 25m
Sat 12/191:50 am -
2 stops18h 12m
Deal found 11/6![United Airlines logo]()
$885
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 November 9, 2026.
Search for one-way flight options from St. Louis to Peru. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/116:20 pm -
2 stops33h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/811:06 am -
2 stops16h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$359
This SmartFares deal was found by Cheapflights users on 11/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/124:05 pm -
1 stop13h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Air Canada logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/236:21 pm -
3 stops57h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 1/145:44 pm -
3 stops38h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1010:22 pm -
3 stops53h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/98:45 pm -
2 stops31h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:00 am -
2 stops34h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$439
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 November 9, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $740 (FlightHub) |
One-way from | $313 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $823 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Peru that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 9, 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
Wed 12/23
6:21 pm-4:55 am
3 stops57h 34m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$383
St. LouisCusco
STL Lambert-St Louis - CUZ Cusco Velazco Astete
STLCUZ
Lambert-St Louis
Thu 1/14
5:44 pm-9:25 am
3 stops38h 41m
Cusco Velazco Astete
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$393
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Wed 12/9
5:25 am-11:55 pm
2 stops17h 30m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$614
Quickest round-trip
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Tue 12/8
10:45 am-11:55 pm
1 stop12h 10m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$614
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Mon 12/7
6:00 am-8:05 am
2 stops25h 05m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$639
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Sun 12/13
6:00 am-8:05 am
2 stops25h 05m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$669
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Sun 12/13
8:30 am-11:55 pm
1 stop14h 25m
Lima J Chavez Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$706
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Wed 5/5
7:05 pm-5:00 am
1 stop9h 55m
Lima J Chavez Intl
Mon 5/17
12:05 pm-8:12 am
1 stop20h 07m
$740
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Thu 1/14
4:05 pm-3:15 am
2 stops34h 10m
Lima J Chavez Intl
Thu 1/21
8:00 am-3:26 pm
2 stops32h 26m
$796
St. LouisLima
STL Lambert-St Louis - LIM Lima J Chavez Intl
STLLIM
Lambert-St Louis
Wed 1/6
2:16 pm-9:00 am
1 stop17h 44m
Lima J Chavez Intl
Wed 1/20
11:40 pm-3:51 pm
1 stop17h 11m
$856
Showing 1-10 of 17 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
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
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 December is currently the most expensive (average of $1,100). 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 November 9, 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
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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Top 3 airlines flying from St. Louis to Peru
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$613 | Average$965 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$661 | Average$1,099 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$730 | Average$993 | FlexibilityNo cancel fee | On-time71% |