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

Spirit Airlines is the most popular carrier operating from Peru to Lambert-St Louis

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

Prices for flights from Peru to Lambert-St Louis Airport refresh daily.

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

The number of operators available for flights from Peru to Lambert-St Louis Airport is 2 as of December 2025.

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

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 Peru to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$425 Cheap Flights from Peru to St. Louis in 2025/26

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 Peru to St. Louis

Round-trip

One-way

Recent round-trip flight deals from Peru to St. Louis

Enter your travel dates to find the best prices.

9:55 pm - 10:32 am

LIM

STL

12h 37m1 stop

6:20 pm - 4:10 am

STL

LIM

9h 50m1 stop

$760American Airlines

lun., mar. 23 - vie., abr. 3

9:55 pm - 3:19 pm

LIM

STL

17h 24m2 stops

1:25 pm - 3:10 am

STL

LIM

13h 45m2 stops

$764American Airlines

mar., mar. 24 - sáb., oct. 3

6:05 am - 9:51 pm

LIM

STL

15h 46m1 stop

5:33 am - 10:15 pm

STL

LIM

16h 42m1 stop

$808American Airlines

mar., mar. 24 - sáb., oct. 3

12:00 pm - 11:38 pm

LIM

STL

11h 38m1 stop

6:00 am - 8:55 pm

STL

LIM

14h 55m2 stops

$819LATAM Airlines

vie., may. 1 - sáb., may. 16

10:55 pm - 9:08 am

LIM

STL

11h 13m1 stop

5:05 am - 11:25 pm

STL

LIM

17h 20m1 stop

$828American Airlines

lun., ene. 19 - lun., feb. 2

10:55 pm - 9:08 am

LIM

STL

11h 13m1 stop

9:33 am - 11:25 pm

STL

LIM

12h 52m2 stops

$832American Airlines

lun., ene. 19 - lun., feb. 2

10:55 pm - 9:08 am

LIM

STL

11h 13m1 stop

5:05 am - 11:25 pm

STL

LIM

17h 20m1 stop

$833American Airlines

lun., ene. 19 - lun., feb. 2

10:55 pm - 9:08 am

LIM

STL

11h 13m1 stop

5:05 am - 11:25 pm

STL

LIM

17h 20m1 stop

$835American Airlines

lun., ene. 19 - lun., feb. 2

10:55 pm - 9:08 am

LIM

STL

11h 13m1 stop

3:54 pm - 5:10 am

STL

LIM

12h 16m2 stops

$838American Airlines

lun., ene. 19 - lun., feb. 2

10:55 pm - 3:04 pm

LIM

STL

17h 09m2 stops

8:13 am - 11:25 pm

STL

LIM

14h 12m2 stops

$839American Airlines

lun., ene. 19 - lun., feb. 2

American Airlines flights from Peru to St. Louis

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

American Airlines

Jan 19

LIM10:55 pmLima J Chavez Intl

11h 13m

1 stop

STL9:08 amLambert-St Louis

Feb 2

STL5:05 amLambert-St Louis

17h 20m

1 stop

LIM11:25 pmLima J Chavez Intl

$828

Find similar

American Airlines

Jan 19

LIM10:55 pmLima J Chavez Intl

11h 13m

1 stop

STL9:08 amLambert-St Louis

Feb 2

STL9:33 amLambert-St Louis

12h 52m

2 stops

LIM11:25 pmLima J Chavez Intl

$832

Find similar

American Airlines

Jan 19

LIM10:55 pmLima J Chavez Intl

11h 13m

1 stop

STL9:08 amLambert-St Louis

Feb 2

STL5:05 amLambert-St Louis

17h 20m

1 stop

LIM11:25 pmLima J Chavez Intl

$833

Find similar

LATAM Airlines flights from Peru to St. Louis

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

LATAM Airlines

Jan 22

LIM11:40 pmLima J Chavez Intl

10h 13m

1 stop

STL8:53 amLambert-St Louis

Jan 26

STL6:00 amLambert-St Louis

14h 20m

1 stop

LIM9:20 pmLima J Chavez Intl

$927

Find similar

LATAM Airlines

Jan 21

LIM12:05 amLima J Chavez Intl

18h 45m

2 stops

STL5:50 pmLambert-St Louis

Jan 26

STL9:59 amLambert-St Louis

24h 26m

2 stops

LIM11:25 amLima J Chavez Intl

$930

Find similar

LATAM Airlines

Jan 18

LIM11:40 pmLima J Chavez Intl

19h 10m

1 stop

STL5:50 pmLambert-St Louis

Feb 1

STL9:59 amLambert-St Louis

10h 21m

1 stop

LIM9:20 pmLima J Chavez Intl

$1,022

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 3/23

9:55 pm-10:32 am

1 stop12h 37m

Lambert-St Louis

vie. 4/3

6:20 pm-4:10 am

1 stop9h 50m

$760

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

mar. 3/24

9:55 pm-3:19 pm

2 stops17h 24m

Lambert-St Louis

sáb. 10/3

1:25 pm-3:10 am

2 stops13h 45m

$764

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

mar. 3/24

6:05 am-9:51 pm

1 stop15h 46m

Lambert-St Louis

sáb. 10/3

5:33 am-10:15 pm

1 stop16h 42m

$808

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

vie. 5/1

12:00 pm-11:38 pm

1 stop11h 38m

Lambert-St Louis

sáb. 5/16

6:00 am-8:55 pm

2 stops14h 55m

$819

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 1/19

10:55 pm-9:08 am

1 stop11h 13m

Lambert-St Louis

lun. 2/2

5:05 am-11:25 pm

1 stop17h 20m

$828

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 1/19

10:55 pm-9:08 am

1 stop11h 13m

Lambert-St Louis

lun. 2/2

9:33 am-11:25 pm

2 stops12h 52m

$832

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 1/19

10:55 pm-9:08 am

1 stop11h 13m

Lambert-St Louis

lun. 2/2

5:05 am-11:25 pm

1 stop17h 20m

$833

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 1/19

10:55 pm-9:08 am

1 stop11h 13m

Lambert-St Louis

lun. 2/2

5:05 am-11:25 pm

1 stop17h 20m

$835

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 1/19

10:55 pm-9:08 am

1 stop11h 13m

Lambert-St Louis

lun. 2/2

3:54 pm-5:10 am

2 stops12h 16m

$838

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

lun. 1/19

10:55 pm-3:04 pm

2 stops17h 09m

Lambert-St Louis

lun. 2/2

8:13 am-11:25 pm

2 stops14h 12m

$839

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 Peru to St. Louis

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $624. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $908. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Peru in the evening is the least expensive time of day to depart. momondo users have found prices as low as $834 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $906 per ticket.

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

You could potentially save up to 11% on your flight if you consider stops on a Peru to St. Louis flight.

Cheap Peru to St. Louis flight deals and tips

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

Fastest flight time	21h 15m
Direct flights	None

The fastest flight from Peru to St. Louis takes 21h 15m

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

Search flight deals

When did momondo last update prices for flights from Peru to Lambert-St Louis Airport?
Prices for flights from Peru to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Peru to Lambert-St Louis Airport?
The number of operators available for flights from Peru to Lambert-St Louis Airport is 2 as of December 2025.
How old do you have to be to fly from Peru to Lambert-St Louis Airport?
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 Peru to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Peru to St. Louis

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $798	Free Cancellation	Rating 7.9 8,008 reviews		Search Delta flights
LATAM Airlines	PriceFrom $817	Free Cancellation	Rating 7.5 1,889 reviews		Search LATAM Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

Wentzville

St. Peters

Collinsville

Alton

Farmington

Festus

Clayton

Glencoe

Edwardsville

Eureka

Litchfield

Shrewsbury

Why use momondo?

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

Finding the right flight to St. Louis from Peru is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Peru with this policy.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Peru. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Peru to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.