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Cuzco

$963+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CUZ
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from St. Louis to Cuzco

Cheapest flights from St. Louis to Cuzco
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 February 12, 2026.

This American Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 10/226:08 pm
STL
-
CUZ
2 stops12h 18m
American Airlines
Mon 11/210:32 pm
CUZ
-
STL
2 stops25h 00m
American Airlines
Deal found 2/11$963
This KAYAK deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:03 am
STL
-
CUZ
2 stops17h 42m
LATAM Airlines
Fri 4/36:50 am
CUZ
-
STL
2 stops17h 08m
LATAM Airlines
Deal found 2/10$984
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:37 am
STL
-
CUZ
2 stops21h 33m
Multiple Airlines
Tue 6/235:10 pm
CUZ
-
STL
2 stops16h 43m
Multiple Airlines
Deal found 2/9$985
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2810:07 am
STL
-
CUZ
2 stops20h 03m
LATAM Airlines
Wed 4/86:50 am
CUZ
-
STL
2 stops17h 08m
LATAM Airlines
Deal found 2/9$1,031
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 3/2711:22 am
STL
-
CUZ
2 stops20h 04m
American Airlines
Fri 4/310:25 pm
CUZ
-
STL
2 stops19h 15m
American Airlines
Deal found 2/10$1,068
This Gurufare deal was found by Cheapflights users on 2/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:59 pm
STL
-
CUZ
3 stops29h 46m
LATAM Airlines
Fri 4/35:00 am
CUZ
-
STL
3 stops18h 58m
LATAM Airlines
Deal found 2/10$1,112
This LATAM Airlines deal was found by Cheapflights users on 2/9. 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 2/233:47 pm
STL
-
CUZ
2 stops22h 03m
LATAM Airlines
Thu 2/267:30 am
CUZ
-
STL
2 stops17h 06m
LATAM Airlines
Deal found 2/9$1,190
This LATAM Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 2/245:00 pm
STL
-
CUZ
2 stops16h 45m
LATAM Airlines
Fri 2/275:00 am
CUZ
-
STL
2 stops19h 36m
LATAM Airlines
Deal found 2/10$1,210

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$897
(KAYAK)

Popular in

July

Cheapest in

December
Provider with most accurate pricing for Lambert-St Louis-Cusco Velazco Astete flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Cusco Velazco Astete flights.
Search Deals
From Lambert-St Louis to Cusco Velazco Astete
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($260 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals

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 February 12, 2026.
Use the filters below to find and compare flights from St. Louis to Cusco that are best for you.

Fly from

St. Louis

Fly to

Cuzco

Route

Depart

Return

Price

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Sat 3/28

10:07 am-6:10 am

2 stops20h 03m

Cusco Velazco Astete

Wed 4/8

7:15 pm-11:09 am

2 stops15h 54m

$984

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Tue 3/24

7:03 am-12:45 am

2 stops17h 42m

Cusco Velazco Astete

Fri 4/3

8:25 am-11:58 pm

2 stops15h 33m

$984

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Fri 3/27

11:22 am-7:26 am

2 stops20h 04m

Cusco Velazco Astete

Fri 4/3

10:25 pm-5:40 pm

2 stops19h 15m

$1,068

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Fri 3/27

6:59 pm-12:45 am

3 stops29h 46m

Cusco Velazco Astete

Fri 4/3

5:00 am-11:58 pm

3 stops18h 58m

$1,112

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Mon 2/23

3:47 pm-9:00 am

2 stops16h 13m

Cusco Velazco Astete

Thu 2/26

6:50 am-11:36 pm

2 stops17h 46m

$1,190

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

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 February 12, 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.
LATAM Airlines
7.5
Good
1,921 reviews

Comfort

7.3

Crew

8.0

Entertainment

7.0

Overall

7.5

Food

6.7

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
LATAM Airlines
7.5
Good
1,921 reviews
LATAM Airlines
7.5
Good
1,921 reviews

Comfort

7.3

Crew

8.0

Entertainment

7.0

Overall

7.5

Food

6.7

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP

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.

  • How long is the flight from St. Louis to Cusco?

    There are many flights that can get you from St. Louis to Cusco in 20h 03m. Fly via LATAM Airlines to get the fastest option. There are 3801 mi between St. Louis and Cusco.

  • What is the cheapest airline to fly from St. Louis to Cusco round-trip?

    Our cheapest airline available from St. Louis to Cusco is LATAM Airlines. Our recent data shows that you can find tickets from as low as $858 on this airline. LATAM Airlines is currently priced 23% below the average price you’ll pay for this route.

  • Can I find deals for flights from St. Louis to Cuzco that include hotel bookings?

    Yes. In addition to deals on St. Louis to Cuzco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Cuzco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Cuzco.

  • Can I find deals for business class flights from St. Louis to Cuzco?

    Yes. Cheapflights offers flight deals from St. Louis to Cuzco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$858Average$1,128FlexibilityNo cancel feeOn-time81%

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