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Cheap flights from St. Louis (STL) to Lima (LIM) from $270

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — LIM
Apr 28 — May 51
From?
To?
Sun 4/28
Sun 5/5
1 adult, Economy
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The best prices from Lambert-St Louis to Lima J Chavez Intl are usually found in November or October, booked 25 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Lima

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Lima (LIM). 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 April 23, 2024.

Popular in

December

Cheapest in

November

Round-trip from

$509

One-way from

$270
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 18% potential price drop
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From Lambert-St Louis to Lima J Chavez Intl
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One-way flight from Lambert-St Louis to Lima J Chavez Intl
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What is the cheapest day to fly round-trip from St. Louis to Lima?

Travelers have found that booking a Saturday departure is the best way to save up to 22% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from St. Louis to Lima?

Find a great deal and save up to 295% by booking at least 26 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Lima within the next two weeks, with the cheapest ticket starting at $485.

What is the cheapest month to fly from St. Louis to Lima?

November is one of the best times of the year to fly to Lima from St. Louis. Prices for November average $864 per person but you can even find prices for as low as $412. The most expensive prices can be found in the month of December. Opting for a November flight can save you 36% on your journey compared to booking in December

When is the cheapest time to fly from St. Louis to Lima (STL - LIM)?

One of the essential ways to save on airfare from St. Louis to Lima is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 8% on airfare.

Cheap United Airlines flights from St. Louis to Lima

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Lima. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Find some of the cheapest United Airlines flights traveling from St. Louis to Lima. Make sure to double check the flight details before booking.
Tue 8/208:50 amSTL - LIM
1 stop14h 10mUnited Airlines
Mon 8/2612:55 amLIM - STL
1 stop19h 41mUnited Airlines
Deal found 4/23$765
Tue 10/18:50 amSTL - LIM
1 stop14h 10mUnited Airlines
Thu 10/1012:55 amLIM - STL
1 stop21h 20mUnited Airlines
Deal found 4/22$784
Tue 6/48:55 amSTL - LIM
1 stop14h 05mUnited Airlines
Wed 6/512:55 amLIM - STL
1 stop15h 30mUnited Airlines
Deal found 4/23$993
Wed 5/154:57 pmSTL - LIM
1 stop30h 03mUnited Airlines
Tue 5/2812:55 amLIM - STL
1 stop15h 30mUnited Airlines
Deal found 4/23$1,036
Sat 8/35:03 pmSTL - LIM
1 stop29h 57mUnited Airlines
Fri 8/912:55 amLIM - STL
1 stop15h 33mUnited Airlines
Deal found 4/22$1,048
Wed 5/298:55 amSTL - LIM
1 stop14h 05mUnited Airlines
Wed 7/312:55 amLIM - STL
1 stop15h 33mUnited Airlines
Deal found 4/21$1,060
Fri 7/511:10 amSTL - LIM
1 stop11h 50mUnited Airlines
Sat 7/612:55 amLIM - STL
1 stop21h 19mUnited Airlines
Deal found 4/23$1,313
Mon 6/311:15 amSTL - LIM
1 stop11h 45mUnited Airlines
Sun 6/912:55 amLIM - STL
1 stop15h 30mUnited Airlines
Deal found 4/22$1,449
Fri 5/2411:15 amSTL - LIM
1 stop11h 45mUnited Airlines
Sat 6/112:55 amLIM - STL
1 stop15h 30mUnited Airlines
Deal found 4/22$1,889

Cheap LATAM Airlines flights from St. Louis to Lima

Explore cheap flight options specifically provided by LATAM Airlines for the route between St. Louis and Lima. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
To aid your search, here are some of the cheapest LATAM Airlines flights we've found from St. Louis to Lima. Make sure to examine the flight information before completing your reservation.
Tue 5/286:00 amSTL - LIM
2 stops15h 15mLATAM Airlines
Thu 7/42:00 pmLIM - STL
2 stops19h 10mLATAM Airlines
Deal found 4/21$646
Sat 6/16:00 amSTL - LIM
2 stops15h 30mLATAM Airlines
Thu 7/42:00 pmLIM - STL
2 stops19h 10mLATAM Airlines
Deal found 4/21$671
Thu 6/66:00 amSTL - LIM
1 stop15h 05mLATAM Airlines
Wed 6/268:15 amLIM - STL
2 stops27h 46mLATAM Airlines
Deal found 4/22$689
Tue 8/202:05 pmSTL - LIM
1 stop15h 35mLATAM Airlines
Mon 8/2612:15 amLIM - STL
2 stops18h 59mLATAM Airlines
Deal found 4/23$700
Wed 6/56:00 amSTL - LIM
2 stops26h 05mLATAM Airlines
Tue 6/2512:05 amLIM - STL
2 stops33h 05mLATAM Airlines
Deal found 4/21$701
Thu 6/66:00 amSTL - LIM
1 stop15h 05mLATAM Airlines
Tue 6/2512:30 amLIM - STL
2 stops32h 40mLATAM Airlines
Deal found 4/22$706
Mon 5/276:00 amSTL - LIM
1 stop15h 05mLATAM Airlines
Mon 7/110:00 amLIM - STL
2 stops23h 10mLATAM Airlines
Deal found 4/21$709
Tue 10/16:00 amSTL - LIM
1 stop23h 40mLATAM Airlines
Fri 10/1111:20 pmLIM - STL
1 stop11h 23mLATAM Airlines
Deal found 4/22$711
Mon 5/273:27 pmSTL - LIM
2 stops13h 33mLATAM Airlines
Thu 7/42:00 pmLIM - STL
2 stops19h 10mLATAM Airlines
Deal found 4/21$714

Cheap St. Louis to Lima flights in April & May 2024

Find cheap flight options from St. Louis to Lima specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 23, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Lima in April and May 2024. Check back soon for alternative fares.
Tue 5/286:00 amSTL - LIM
1 stop15h 05mDelta
Tue 7/211:20 pmLIM - STL
1 stop17h 00mDelta
Deal found 4/21$633
Wed 5/296:00 amSTL - LIM
2 stops15h 30mDelta
Thu 7/412:00 pmLIM - STL
1 stop26h 57mDelta
Deal found 4/21$638
Wed 5/296:00 amSTL - LIM
1 stop23h 40mDelta
Thu 7/412:00 pmLIM - STL
1 stop26h 57mDelta
Deal found 4/21$643
Tue 5/286:00 amSTL - LIM
2 stops15h 15mLATAM Airlines
Thu 7/42:00 pmLIM - STL
2 stops19h 10mLATAM Airlines
Deal found 4/21$646
Wed 5/156:00 amSTL - LIM
1 stop15h 05mDelta
Wed 5/298:15 amLIM - STL
2 stops15h 25mDelta
Deal found 4/23$663
Sun 5/266:00 amSTL - LIM
1 stop23h 40mDelta
Tue 7/211:20 pmLIM - STL
1 stop17h 00mDelta
Deal found 4/21$666
Tue 5/2810:10 amSTL - LIM
1 stop10h 55mDelta
Mon 7/111:20 pmLIM - STL
1 stop17h 00mDelta
Deal found 4/21$696
Thu 5/305:02 pmSTL - LIM
2 stops11h 58mLATAM Airlines
Wed 7/311:20 pmLIM - STL
1 stop12h 41mLATAM Airlines
Deal found 4/21$701
Wed 5/296:00 amSTL - LIM
1 stop23h 40mDelta
Tue 7/211:20 pmLIM - STL
1 stop17h 00mDelta
Deal found 4/21$704

St. Louis to Lima 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Lima in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Lima in April and May 2024. Check back soon for alternative fares.
Tue 5/286:00 amSTL - LIM
1 stop15h 05mDelta
Tue 7/211:20 pmLIM - STL
1 stop17h 00mDelta
Deal found 4/21$633
Mon 6/37:10 pmSTL - LIM
1 stop25h 55mDelta
Mon 6/108:15 amLIM - STL
2 stops15h 28mDelta
Deal found 4/23$638
Wed 5/296:00 amSTL - LIM
1 stop23h 40mDelta
Thu 7/412:00 pmLIM - STL
1 stop26h 57mDelta
Deal found 4/21$643
Tue 5/286:00 amSTL - LIM
2 stops15h 15mLATAM Airlines
Thu 7/42:00 pmLIM - STL
2 stops19h 10mLATAM Airlines
Deal found 4/21$646
Sat 6/16:00 amSTL - LIM
2 stops15h 30mDelta
Tue 7/211:20 pmLIM - STL
1 stop17h 00mDelta
Deal found 4/21$658
Wed 5/156:00 amSTL - LIM
1 stop15h 05mDelta
Wed 5/298:15 amLIM - STL
2 stops15h 25mDelta
Deal found 4/23$663
Sun 5/266:00 amSTL - LIM
1 stop23h 40mDelta
Tue 7/211:20 pmLIM - STL
1 stop17h 00mDelta
Deal found 4/21$666
Sat 6/16:00 amSTL - LIM
2 stops15h 30mLATAM Airlines
Thu 7/42:00 pmLIM - STL
2 stops19h 10mLATAM Airlines
Deal found 4/21$671
Thu 6/66:00 amSTL - LIM
1 stop15h 05mLATAM Airlines
Wed 6/268:15 amLIM - STL
2 stops27h 46mLATAM Airlines
Deal found 4/22$689

St. Louis to Lima flights leaving soon

Find last-minute flight options from St. Louis to Lima for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Lima. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 4/308:27 amSTL - LIM
2 stops31h 13mCopa Airlines
Fri 5/36:56 amLIM - STL
2 stops27h 03mCopa Airlines
Deal found 4/21$843
Tue 4/308:27 amSTL - LIM
2 stops16h 03mAvianca
Fri 5/310:35 amLIM - STL
2 stops23h 24mAvianca
Deal found 4/22$865
Tue 4/305:00 pmSTL - LIM
1 stop12h 40mDelta
Fri 5/311:20 pmLIM - STL
1 stop12h 36mDelta
Deal found 4/22$1,003

One-way flights to Lima from St. Louis

Search for one-way flight options from St. Louis to Lima. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Lima, be sure to check out these deals, which are updated often. Users needing a return flight from St. Louis to Lima should utilize the search form above.
Tue 5/2810:34 amSTL - LIM
2 stops31h 01mMultiple Airlines
Deal found 4/22$270
Tue 5/287:44 pmSTL - LIM
3 stops53h 46mMultiple Airlines
Deal found 4/22$271
Wed 5/299:10 pmSTL - LIM
3 stops25h 10mMultiple Airlines
Deal found 4/22$308
Mon 5/279:20 pmSTL - LIM
3 stops28h 35mMultiple Airlines
Deal found 4/22$315
Mon 5/279:20 pmSTL - LIM
2 stops24h 10mMultiple Airlines
Deal found 4/22$344
Wed 5/299:10 pmSTL - LIM
2 stops24h 35mMultiple Airlines
Deal found 4/22$346
Mon 5/2711:28 amSTL - LIM
1 stop10h 52mMultiple Airlines
Deal found 4/22$501
Tue 5/2812:53 pmSTL - LIM
1 stop16h 47mDelta
Deal found 4/22$527

Find flights from St. Louis to Lima within your budget

Customize your flight search to find flights from St. Louis to Lima 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 3,086,534 searches. Data last updated April 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$633 - $1,348

Route

Depart

Return

Price

Lambert-St LouisLima J Chavez Intl

STL - LIM

STLLIM

Lambert-St Louis

Tue 5/28

1 stop15h 05m

Lima J Chavez Intl

Tue 7/2

1 stop17h 00m

$633

Lambert-St LouisLima J Chavez Intl

STL - LIM

STLLIM

Lambert-St Louis

Mon 6/3

1 stop23h 40m

Lima J Chavez Intl

Mon 6/10

1 stop15h 37m

$638

Lambert-St LouisLima J Chavez Intl

STL - LIM

STLLIM

Lambert-St Louis

Wed 5/29

1 stop23h 40m

Lima J Chavez Intl

Thu 7/4

1 stop26h 57m

$643

Lambert-St LouisLima J Chavez Intl

STL - LIM

STLLIM

Lambert-St Louis

Tue 5/28

2 stops15h 15m

Lima J Chavez Intl

Thu 7/4

2 stops19h 10m

$646

Lambert-St LouisLima J Chavez Intl

STL - LIM

STLLIM

Lambert-St Louis

Sat 6/1

2 stops15h 30m

Lima J Chavez Intl

Thu 7/4

2 stops19h 10m

$671

Lambert-St LouisLima J Chavez Intl

STL - LIM

STLLIM

Lambert-St Louis

Tue 8/20

1 stop14h 10m

Lima J Chavez Intl

Mon 8/26

1 stop19h 41m

$765

Lambert-St LouisLima J Chavez Intl

STL - LIM

STLLIM

Lambert-St Louis

Wed 5/29

3 stops26h 15m

Lima J Chavez Intl

Wed 7/3

2 stops14h 33m

$813

Lambert-St LouisLima J Chavez Intl

STL - LIM

STLLIM

Lambert-St Louis

Fri 5/24

1 stop27h 42m

Lima J Chavez Intl

Sun 6/2

1 stop23h 34m

$962

Lambert-St LouisLima J Chavez Intl

STL - LIM

STLLIM

Lambert-St Louis

Wed 5/29

2 stops23h 40m

Lima J Chavez Intl

Sun 6/30

2 stops18h 10m

$1,348

Flights are sorted by cheapest first

Deals found on 4/21

When is the best time to book a flight from St. Louis to Lima?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Lima. Price data was last updated on January 28, 2024.
The best time to book flights from St. Louis to Lima is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from St. Louis to Lima?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Lima. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Lima flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Lima by month

Plan your trip from St. Louis to Lima by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Lima is currently $360 while a round-trip flight costs $791. Price data was last updated on April 14, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Lima (average of $509). Flying from St. Louis to Lima in July is currently the most expensive (average of $686). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$509

February

$588

March

$586

April

$526

May

$572

June

$627

July

$686

August

$576

September

$537

October

$541

November

$572

December

$631

Temperature and rainfall in Lima by month

Plan your trip to Lima by taking into account the average temperature and rainfall totals by month.

LIM

Temperature

62.6 - 73.4 °F

Reviews of airlines servicing Lima

Get insights into the airlines that provide service to Lima. 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 Lima. Reviews last updated April 23, 2024.
Peruse reviews from past customers who have flown with United Airlines, LATAM Airlines and Delta from St. Louis to Lima to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
11,028 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
11,028 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

LATAM Airlines
7.6
Good
2,500 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,272 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,914 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air Canada
7.0
Good
6,859 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Lima. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from St. Louis to Lima for under $700 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Lima for under $700. The cheapest flight booked recently is on Delta for just $633, but on average you can expect to pay $684.

  • Are there last-minute flights available from St. Louis to Lima for under $900?

    There are currently 3+ open flights from St. Louis to Lima within the next 7 days for less than $900.

  • What are the cheapest airlines flying from St. Louis to Lima round-trip?

    Delta, at $633, was found to be the cheapest airline from St. Louis to Lima. An alternate airline flying to your destination would be LATAM Airlines. Users have found that Delta is 26% cheaper than the other options available to this destination.

  • What are the most popular airlines that fly from St. Louis to Lima?

    Before booking your flight from St. Louis to Lima check out the most popular airlines for this route: American Airlines, Delta or LATAM Airlines.

  • What does STL to LIM mean?

    Great question - STL to LIM just means Lambert-St Louis Airport to Lima J Chavez Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from St. Louis to Lima that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Lima flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Lima with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Lima flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from St. Louis to Lima that allow pets onboard?

    Many airlines flying from St. Louis to Lima offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Lima?

    Yes, you can often find last-minute deals on St. Louis to Lima flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Lima flight deals updated?

    The St. Louis to Lima flight deals you see on this page were last updated on 4/23.

See more FAQs

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Alternative routes for St. Louis to Lima
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from St. Louis to Lima

Discover the top 5 airlines that operate flights from St. Louis to Lima. 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 3,086,534 searches. Data last updated April 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$313Average$579FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$557Average$765FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$569Average$897FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$635Average$918FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LATAM AirlinesCheapest$638Average$839FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
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Search flights from St. Louis to Lima by cabin class

Find flights from St. Louis to Lima, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
Prem Econ Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Lima?

Deals for St. Louis to Lima flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Lima?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Lima by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Lima with no change fees?

Certainly. Search results for flights to Lima from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St. Louis to Lima become cheaper?

Of course! You can now track prices for flights from St. Louis to Lima and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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