$930+ Cheap flights from St. Louis (STL) to Cusco (CUZ)
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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CUZ
Apr 25 — May 21
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Cuzco 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 Cuzco
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to CuzcoExplore the most affordable flight options available from St. Louis to Cuzco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.
Explore the most affordable flight options available from St. Louis to Cuzco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.
This KAYAK deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2711:00 am
STL
- CUZ
2 stops23h 20m
Avianca
Fri 12/1112:25 pm
CUZ
- STL
2 stops22h 17m
Avianca
Deal found 3/22![Avianca logo]()
$930
This Trip.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:42 am
STL
- CUZ
2 stops34h 48m
Multiple Airlines
Wed 5/137:00 am
CUZ
- STL
2 stops16h 59m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$954
This KAYAK deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:05 pm
STL
- CUZ
2 stops22h 50m
LATAM Airlines
Wed 8/197:30 am
CUZ
- STL
2 stops16h 07m
LATAM Airlines
Deal found 3/23![LATAM Airlines logo]()
$1,021
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:40 pm
STL
- CUZ
2 stops15h 40m
Delta
Tue 12/87:50 pm
CUZ
- STL
2 stops21h 08m
Delta
Deal found 3/22![Delta logo]()
$1,029
This KAYAK deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:48 am
STL
- CUZ
2 stops19h 32m
GOL
Wed 8/1911:00 am
CUZ
- STL
2 stops23h 58m
GOL
Deal found 3/23![GOL logo]()
$1,045
This KAYAK deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:05 pm
STL
- CUZ
2 stops13h 20m
LATAM Airlines
Mon 11/25:00 am
CUZ
- STL
2 stops19h 39m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$1,061
This KAYAK deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
STL
- CUZ
2 stops24h 10m
LATAM Airlines
Thu 5/288:25 am
CUZ
- STL
2 stops23h 53m
LATAM Airlines
Deal found 3/24![LATAM Airlines logo]()
$1,068
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:59 pm
STL
- CUZ
2 stops12h 56m
Delta
Sun 12/139:30 pm
CUZ
- STL
2 stops27h 09m
Delta
Deal found 3/22![Delta logo]()
$1,069
This KAYAK deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:49 am
STL
- CUZ
2 stops14h 11m
LATAM Airlines
Mon 6/112:05 am
CUZ
- STL
2 stops23h 54m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$1,076
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:06 am
STL
- CUZ
2 stops19h 19m
American Airlines
Tue 6/25:20 pm
CUZ
- STL
2 stops17h 14m
American Airlines
Deal found 3/25![American Airlines logo]()
$1,084
This American Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:24 am
STL
- CUZ
2 stops25h 01m
American Airlines
Tue 4/289:55 pm
CUZ
- STL
2 stops24h 29m
American Airlines
Deal found 3/22![American Airlines logo]()
$1,102
Best flights from St. Louis to CuzcoDiscover carefully curated flight deals from St. Louis to Cuzco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2026.
Discover carefully curated flight deals from St. Louis to Cuzco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2026.
This Trip.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:42 am
STL
- CUZ
2 stops34h 48m
Multiple Airlines
Wed 5/137:00 am
CUZ
- STL
2 stops16h 59m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$954
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:05 pm
STL
- CUZ
2 stops13h 20m
Delta
Tue 8/188:25 am
CUZ
- STL
2 stops15h 12m
Delta
Deal found 3/23![Delta logo]()
$1,029
This KAYAK deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
STL
- CUZ
2 stops24h 10m
LATAM Airlines
Thu 5/286:50 am
CUZ
- STL
2 stops17h 09m
LATAM Airlines
Deal found 3/23![LATAM Airlines logo]()
$1,068
This American Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:24 am
STL
- CUZ
2 stops25h 01m
American Airlines
Tue 4/289:55 pm
CUZ
- STL
2 stops24h 29m
American Airlines
Deal found 3/22![American Airlines logo]()
$1,102
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:30 pm
STL
- CUZ
2 stops18h 55m
Delta
Mon 8/178:35 am
CUZ
- STL
2 stops15h 02m
Delta
Deal found 3/23![Delta logo]()
$1,029
This KAYAK deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
STL
- CUZ
2 stops19h 00m
LATAM Airlines
Tue 6/28:15 pm
CUZ
- STL
2 stops16h 05m
LATAM Airlines
Deal found 3/22![LATAM Airlines logo]()
$1,076
This American Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:06 am
STL
- CUZ
2 stops23h 09m
American Airlines
Thu 5/145:00 pm
CUZ
- STL
2 stops17h 16m
American Airlines
Deal found 3/23![American Airlines logo]()
$1,104
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:05 pm
STL
- CUZ
2 stops13h 20m
Delta
Sat 8/227:30 am
CUZ
- STL
2 stops16h 07m
Delta
Deal found 3/23![Delta logo]()
$1,109
This American Airlines deal was found by Cheapflights users on 3/26. 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 5/1411:06 am
STL
- CUZ
2 stops19h 09m
American Airlines
Thu 5/2811:05 pm
CUZ
- STL
2 stops23h 53m
American Airlines
Deal found 3/26![American Airlines logo]()
$1,109
Last-minute flights from St. Louis to CuzcoDiscover last-minute flight deals from St. Louis to Cuzco. Data last updated March 26, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Cuzco. Data last updated March 26, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:00 pm
STL
- CUZ
2 stops20h 05m
LATAM Airlines
Wed 4/88:15 pm
CUZ
- STL
2 stops21h 38m
LATAM Airlines
Deal found 3/23![LATAM Airlines logo]()
$1,397
This American Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:24 am
STL
- CUZ
2 stops25h 01m
American Airlines
Tue 4/289:55 pm
CUZ
- STL
2 stops24h 29m
American Airlines
Deal found 3/22![American Airlines logo]()
$1,102
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:05 pm
STL
- CUZ
3 stops32h 55m
Multiple Airlines
Tue 4/287:30 am
CUZ
- STL
3 stops31h 55m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,641
Find flight deals from St. Louis to Cuzco
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Cuzco (CUZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $954 (Trip.com) |
Popular in | July |
Cheapest in | December |
Average price | $988 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Cuzco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from St. Louis to Cusco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Wed 5/6
11:42 am-10:30 pm
2 stops34h 48m
Cusco Velazco Astete
Wed 5/13
7:00 am-11:59 pm
2 stops16h 59m
$954
Quickest round-trip
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Mon 8/10
7:05 pm-8:25 am
2 stops13h 20m
Cusco Velazco Astete
Tue 8/18
8:25 am-11:37 pm
2 stops15h 12m
$1,029
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Mon 8/10
1:30 pm-8:25 am
2 stops18h 55m
Cusco Velazco Astete
Mon 8/17
8:35 am-11:37 pm
2 stops15h 02m
$1,029
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Thu 5/14
6:00 am-6:10 am
2 stops24h 10m
Cusco Velazco Astete
Thu 5/28
6:50 am-11:59 pm
2 stops17h 09m
$1,068
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Tue 5/19
6:00 am-1:00 am
2 stops19h 00m
Cusco Velazco Astete
Tue 6/2
8:15 pm-12:20 pm
2 stops16h 05m
$1,076
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Tue 4/21
5:24 am-6:25 am
2 stops25h 01m
Cusco Velazco Astete
Tue 4/28
9:55 pm-10:24 pm
2 stops24h 29m
$1,102
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Thu 5/7
11:06 am-10:15 am
2 stops23h 09m
Cusco Velazco Astete
Thu 5/14
5:00 pm-10:16 am
2 stops17h 16m
$1,104
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Sat 8/15
7:05 pm-8:25 am
2 stops13h 20m
Cusco Velazco Astete
Sat 8/22
7:30 am-11:37 pm
2 stops16h 07m
$1,109
St. LouisCusco
STL - CUZ
STLCUZ
Lambert-St Louis
Thu 5/14
11:06 am-6:15 am
2 stops19h 09m
Cusco Velazco Astete
Thu 5/28
11:05 pm-10:58 pm
2 stops23h 53m
$1,109
Sorted by cheapest first
Compare providers for flights from St. Louis to Cuzco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Cuzco in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on St. Louis-Cusco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Cusco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Cusco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Cusco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Cusco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Cuzco
Have a flexible travel schedule? Discover the best time to fly to Cuzco from St. Louis with our price prediction graph.
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 Cusco
Reviews of airlines servicing Cuzco
Get insights into the airlines that provide service to Cuzco. 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 Cuzco. Reviews last updated March 26, 2026.
Read through reviews of airlines operating flights from St. Louis to Cusco, such as LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.5
Crew
8.0
Comfort
7.3
Food
6.7
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2025
MIA - GRU
Overall
7.4
Boarding
7.5
Crew
8.0
Comfort
7.3
Food
6.7
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2025
MIA - GRU
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Cuzco. 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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Complete your trip
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Complete your trip
Complete your trip to Cuzco by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Cuzco
Explore flights to Cuzco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 26, 2026.
Search flights from St. Louis to Cuzco by cabin class
Find flights from St. Louis to Cuzco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Cuzco flights
Browse other St. Louis and Cuzco flight options. Last updated on March 26, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on March 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from St. Louis to Cuzco
Discover the top airline that operate flights from St. Louis to Cuzco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$858 | Average$1,133 | FlexibilityNo cancel fee | On-time81% |