What airlines fly to Peru?

LATAM Airlines, Delta and American Airlines are the top three most popular airlines that fly to Peru from St. Louis according to our data. LATAM Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Peru. Keep in mind that there are 3 different airlines that fly to Peru on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Lambert-St Louis to Peru?

Air Canada and LATAM Airlines are the most popular carriers operating from Lambert-St Louis to Peru

When did momondo last update prices for flights from Lambert-St Louis Airport to Peru?

Prices for flights from Lambert-St Louis Airport to Peru are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Peru?

The number of operators available for flights from Lambert-St Louis Airport to Peru is 3 as of January 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Peru?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Peru.

What documentation or ID do you need to fly to Peru?

The travel and health documents you'll need for your trip to Peru may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Peru. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$167 Cheap Flights from St. Louis to Peru in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Peru

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:42 pm - 10:35 pm

STL

LIM

27h 53m2 stops

8:00 am - 11:59 pm

LIM

STL

16h 59m1 stop

$550Multiple Airlines

Sun, Feb 1 - Thu, Feb 12

5:42 pm - 10:35 pm

STL

LIM

27h 53m2 stops

8:00 am - 10:27 pm

LIM

STL

15h 27m1 stop

$553Multiple Airlines

Sun, Feb 1 - Tue, Feb 10

5:42 pm - 10:35 pm

STL

LIM

27h 53m2 stops

8:00 am - 11:59 pm

LIM

STL

16h 59m1 stop

$556Multiple Airlines

Wed, Feb 4 - Thu, Feb 12

5:42 pm - 10:35 pm

STL

LIM

27h 53m2 stops

8:00 am - 10:27 pm

LIM

STL

15h 27m1 stop

$560Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

5:01 pm - 8:25 am

STL

AQP

14h 24m2 stops

5:55 pm - 5:42 pm

AQP

STL

24h 47m2 stops

$947LATAM Airlines

Sat, Feb 21 - Wed, Feb 25

11:22 am - 10:26 am

STL

CUZ

23h 04m2 stops

9:10 pm - 5:40 pm

CUZ

STL

20h 30m2 stops

$962American Airlines

Tue, Mar 24 - Fri, Apr 3

3:47 pm - 3:35 pm

STL

TPP

22h 48m2 stops

8:00 am - 11:36 pm

TPP

STL

16h 36m2 stops

$967LATAM Airlines

Sun, Feb 22 - Wed, Feb 25

6:20 pm - 12:16 pm

STL

CUZ

16h 56m2 stops

8:57 pm - 10:36 am

CUZ

STL

14h 39m2 stops

$988American Airlines

Fri, Feb 20 - Fri, Feb 27

5:05 am - 9:01 pm

STL

CUZ

38h 56m2 stops

9:02 pm - 5:22 pm

CUZ

STL

21h 20m2 stops

$1,112GOL

Thu, Feb 5 - Sun, Feb 8

6:02 pm - 9:01 pm

STL

CUZ

25h 59m2 stops

9:02 pm - 2:47 pm

CUZ

STL

18h 45m3 stops

$1,116GOL

Thu, Feb 5 - Sun, Feb 8

Delta flights from St. Louis to Peru

Our best Delta deals on St. Louis to Peru flight tickets

Delta

Apr 17

STL9:40 amLambert-St Louis

19h 20m

1 stop

LIM5:00 amLima J Chavez Intl

Apr 25

LIM12:05 amLima J Chavez Intl

10h 29m

1 stop

STL10:34 amLambert-St Louis

$685

Delta

Apr 10

STL6:04 amLambert-St Louis

14h 16m

2 stops

LIM8:20 pmLima J Chavez Intl

Apr 13

LIM12:05 amLima J Chavez Intl

12h 01m

1 stop

STL12:06 pmLambert-St Louis

$689

Delta

Jan 19

STL9:59 amLambert-St Louis

10h 21m

1 stop

LIM9:20 pmLima J Chavez Intl

Feb 15

LIM11:40 pmLima J Chavez Intl

10h 26m

1 stop

STL9:06 amLambert-St Louis

$962

American Airlines flights from St. Louis to Peru

Our best American Airlines deals on St. Louis to Peru flight tickets

American Airlines

Mar 24

STL11:22 amLambert-St Louis

23h 04m

2 stops

CUZ10:26 amCusco Velazco Astete

Apr 3

CUZ9:10 pmCusco Velazco Astete

20h 30m

2 stops

STL5:40 pmLambert-St Louis

$962

American Airlines

Feb 20

STL6:20 pmLambert-St Louis

16h 56m

2 stops

CUZ12:16 pmCusco Velazco Astete

Feb 27

CUZ8:57 pmCusco Velazco Astete

14h 39m

2 stops

STL10:36 amLambert-St Louis

$988

American Airlines

Mar 19

STL11:22 amLambert-St Louis

19h 04m

2 stops

CUZ6:26 amCusco Velazco Astete

Mar 28

CUZ8:17 pmCusco Velazco Astete

14h 15m

2 stops

STL10:32 amLambert-St Louis

$1,025

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 2/1

5:42 pm-10:35 pm

2 stops27h 53m

Lima J Chavez Intl

Thu 2/12

8:00 am-11:59 pm

1 stop16h 59m

$550

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 2/1

5:42 pm-10:35 pm

2 stops27h 53m

Lima J Chavez Intl

Tue 2/10

8:00 am-10:27 pm

1 stop15h 27m

$553

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Wed 2/4

5:42 pm-10:35 pm

2 stops27h 53m

Lima J Chavez Intl

Thu 2/12

8:00 am-11:59 pm

1 stop16h 59m

$556

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Wed 2/4

5:42 pm-10:35 pm

2 stops27h 53m

Lima J Chavez Intl

Wed 2/11

8:00 am-10:27 pm

1 stop15h 27m

$560

St. LouisArequipa

STL - AQP

STLAQP

Lambert-St Louis

Sat 2/21

5:01 pm-8:25 am

2 stops14h 24m

Arequipa Rodriguez Ballon

Wed 2/25

5:55 pm-5:42 pm

2 stops24h 47m

$947

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Tue 3/24

11:22 am-10:26 am

2 stops23h 04m

Cusco Velazco Astete

Fri 4/3

9:10 pm-5:40 pm

2 stops20h 30m

$962

St. LouisTarapoto

STL - TPP

STLTPP

Lambert-St Louis

Sun 2/22

3:47 pm-3:35 pm

2 stops22h 48m

Tarapoto

Wed 2/25

8:00 am-11:36 pm

2 stops16h 36m

$967

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Fri 2/20

6:20 pm-12:16 pm

2 stops16h 56m

Cusco Velazco Astete

Fri 2/27

8:57 pm-10:36 am

2 stops14h 39m

$988

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Thu 2/5

5:05 am-9:01 pm

2 stops38h 56m

Cusco Velazco Astete

Sun 2/8

9:02 pm-5:22 pm

2 stops21h 20m

$1,112

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Thu 2/5

6:02 pm-9:01 pm

2 stops25h 59m

Cusco Velazco Astete

Sun 2/8

9:02 pm-2:47 pm

3 stops18h 45m

$1,116

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Peru

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Peru?

In general, February is the cheapest month to fly from St. Louis to Peru. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $664. If you’re not able to fly to Peru in February, then August is your next best option. Flight prices from St. Louis to Peru during August average around $724.

How far in advance should I book a flight to Peru?

You are more likely to see cheaper flights to Peru from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Peru for around $813 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Peru from St. Louis for as low as $670 on momondo.

Can stopping save me money on St. Louis to Peru flights?

You could potentially save up to 5% on your flight if you consider stops on a St. Louis to Peru flight.

Cheap St. Louis to Peru flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Peru

Fastest flight time	13h 55m
Direct flights	None

The fastest flight from St. Louis to Peru takes 13h 55m

There are no direct flights from St. Louis to Peru. There are no popular flight routes from St. Louis to Peru.

Search flight deals

When did momondo last update prices for flights from Lambert-St Louis Airport to Peru?
Prices for flights from Lambert-St Louis Airport to Peru are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Peru?
The number of operators available for flights from Lambert-St Louis Airport to Peru is 3 as of January 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Peru?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Peru.
What documentation or ID do you need to fly to Peru?
The travel and health documents you'll need for your trip to Peru may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Peru. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Peru

Compare and see reviews for airlines that fly from St. Louis to Peru with momondo

Airline	Rating	Free Cancellation	Price
LATAM Airlines	PriceFrom $659	Free Cancellation	Rating 7.5 1,898 reviews	Search LATAM Airlines flights
Delta	PriceFrom $667	Free Cancellation	Rating 7.9 8,029 reviews	Search Delta flights
American Airlines	PriceFrom $668	Free Cancellation	Rating 7.2 11,095 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Peru?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Peru. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Peru with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Peru flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Peru?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Peru.

I’m not ready to book a flight from St. Louis to Peru right now. Can momondo alert me if prices change?

Price alerts on flights to Peru from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.