What airlines fly to Peru?

Delta, LATAM Airlines and American Airlines are the top three most popular airlines that fly to Peru from St. Louis according to our data. Delta is the first choice among our users, with 40% 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?

American Airlines is the most popular carrier 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 February 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.

$307 Cheap Flights from St. Louis to Peru in 2026

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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.

4:59 pm - 12:30 am

STL

LIM

31h 31m

2 stops

12:10 pm - 3:19 pm

LIM

STL

27h 09m

1 stop

$659Multiple Airlines

Mon, Apr 13 - Wed, Apr 22

7:05 pm - 5:00 am

STL

LIM

9h 55m

1 stop

12:00 pm - 8:06 am

LIM

STL

20h 06m

1 stop

$665Delta

Mon, Aug 17 - Tue, Aug 25

3:42 pm - 5:00 am

STL

LIM

13h 18m

2 stops

12:15 am - 3:57 pm

LIM

STL

15h 42m

2 stops

$670Delta

Sun, Aug 16 - Wed, Aug 26

6:00 am - 9:35 pm

STL

LIM

15h 35m

2 stops

8:55 am - 11:37 pm

LIM

STL

14h 42m

2 stops

$685Delta

Sat, Aug 15 - Mon, Aug 24

5:30 pm - 5:00 am

STL

LIM

11h 30m

1 stop

12:00 pm - 11:37 pm

LIM

STL

11h 37m

1 stop

$689Delta

Thu, Aug 20 - Wed, Aug 26

9:00 am - 9:40 pm

STL

LIM

12h 40m

2 stops

12:00 pm - 11:37 pm

LIM

STL

11h 37m

1 stop

$690Delta

Fri, Aug 14 - Tue, Aug 25

11:06 am - 8:30 pm

STL

LIM

9h 24m

1 stop

11:45 pm - 2:03 pm

LIM

STL

14h 18m

2 stops

$698American Airlines

Fri, Apr 10 - Fri, Apr 17

6:00 am - 9:35 pm

STL

LIM

15h 35m

2 stops

8:55 am - 11:36 pm

LIM

STL

14h 41m

2 stops

$705Delta

Fri, Apr 17 - Sun, Apr 26

5:30 pm - 5:00 am

STL

LIM

11h 30m

1 stop

12:00 pm - 11:37 pm

LIM

STL

11h 37m

1 stop

$716LATAM Airlines

Tue, Aug 18 - Mon, Aug 24

4:21 pm - 10:50 am

STL

AQP

18h 29m

2 stops

8:50 am - 11:36 pm

AQP

STL

14h 46m

2 stops

$777LATAM Airlines

Thu, Apr 9 - Thu, Apr 16

LATAM Airlines flights from St. Louis to Peru

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

LATAM Airlines

Aug 18

STL5:30 pmLambert-St Louis

11h 30m

1 stop

LIM5:00 amLima J Chavez Intl

Aug 24

LIM12:00 pmLima J Chavez Intl

11h 37m

1 stop

STL11:37 pmLambert-St Louis

$716

LATAM Airlines

Apr 16

STL11:42 amLambert-St Louis

10h 13m

1 stop

LIM9:55 pmLima J Chavez Intl

Apr 25

LIM12:05 pmLima J Chavez Intl

11h 31m

1 stop

STL11:36 pmLambert-St Louis

$724

LATAM Airlines

Jul 22

STL7:05 pmLambert-St Louis

25h 15m

2 stops

LIM8:20 pmLima J Chavez Intl

Jul 29

LIM12:00 pmLima J Chavez Intl

20h 07m

1 stop

STL8:07 amLambert-St Louis

$733

Avianca flights from St. Louis to Peru

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

Avianca

Aug 17

STL8:50 amLambert-St Louis

14h 10m

1 stop

LIM11:00 pmLima J Chavez Intl

Aug 24

LIM11:05 pmLima J Chavez Intl

24h 22m

1 stop

STL11:27 pmLambert-St Louis

$840

Avianca

Jun 11

STL11:10 amLambert-St Louis

24h 10m

2 stops

CUZ11:20 amCusco Velazco Astete

Jun 20

CUZ5:10 pmCusco Velazco Astete

16h 57m

2 stops

STL10:07 amLambert-St Louis

$1,032

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 4/13

4:59 pm-12:30 am

2 stops31h 31m

Lima J Chavez Intl

Wed 4/22

12:10 pm-3:19 pm

1 stop27h 09m

$659

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 8/17

7:05 pm-5:00 am

1 stop9h 55m

Lima J Chavez Intl

Tue 8/25

12:00 pm-8:06 am

1 stop20h 06m

$665

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sun 8/16

3:42 pm-5:00 am

2 stops13h 18m

Lima J Chavez Intl

Wed 8/26

12:15 am-3:57 pm

2 stops15h 42m

$670

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Sat 8/15

6:00 am-9:35 pm

2 stops15h 35m

Lima J Chavez Intl

Mon 8/24

8:55 am-11:37 pm

2 stops14h 42m

$685

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Thu 8/20

5:30 pm-5:00 am

1 stop11h 30m

Lima J Chavez Intl

Wed 8/26

12:00 pm-11:37 pm

1 stop11h 37m

$689

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Fri 8/14

9:00 am-9:40 pm

2 stops12h 40m

Lima J Chavez Intl

Tue 8/25

12:00 pm-11:37 pm

1 stop11h 37m

$690

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Fri 4/10

11:06 am-8:30 pm

1 stop9h 24m

Lima J Chavez Intl

Fri 4/17

11:45 pm-2:03 pm

2 stops14h 18m

$698

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Fri 4/17

6:00 am-9:35 pm

2 stops15h 35m

Lima J Chavez Intl

Sun 4/26

8:55 am-11:36 pm

2 stops14h 41m

$705

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 8/18

5:30 pm-5:00 am

1 stop11h 30m

Lima J Chavez Intl

Mon 8/24

12:00 pm-11:37 pm

1 stop11h 37m

$716

St. LouisArequipa

STL - AQP

STLAQP

Lambert-St Louis

Thu 4/9

4:21 pm-10:50 am

2 stops18h 29m

Arequipa Rodriguez Ballon

Thu 4/16

8:50 am-11:36 pm

2 stops14h 46m

$777

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 January is your next best option. Flight prices from St. Louis to Peru during January average around $709.

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 $799 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 $661 on momondo.

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

You could potentially save up to 32% 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	14h 33m
Direct flights	None

The fastest flight from St. Louis to Peru takes 14h 33m

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 February 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 $646	Free Cancellation	Rating 7.5 1,919 reviews	Search LATAM Airlines flights
Delta	PriceFrom $664	Free Cancellation	Rating 7.9 8,237 reviews	Search Delta flights
American Airlines	PriceFrom $668	Free Cancellation	Rating 7.2 11,353 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.