Which airports can I use when flying from St. Louis to San Salvador?

Flights from St. Louis to San Salvador usually depart from Lambert-St Louis (STL) and arrive at San Salvador El Salvador Intl (SAL).

What cabin classes can I book on flights from St. Louis to San Salvador?

Two cabin classes are available on flights from St. Louis to San Salvador: • Economy Class • First Class

Which airports do connecting flights from St. Louis to San Salvador pass through?

One-stop flights from St. Louis to San Salvador most commonly connect through: • Houston George Bush Intcntl (IAH) - 50% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) - 23% of one-stop connections • Dallas/Fort Worth (DFW) - 21% of one-stop connections • Miami (MIA) - 6% of one-stop connections

Can I save money by using flexible dates for flights from St. Louis to San Salvador?

Yes. Flexible dates can save you up to 21% on flights from St. Louis to San Salvador. Saturday is the cheapest departure day at $573 round-trip on average, while Tuesday is the most expensive at $724, a difference of $151. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How long is a flight from St. Louis to San Salvador?

A nonstop flight from St. Louis to San Salvador takes 00m, covering 1,749 miles.

Do I need a passport to fly from St. Louis to San Salvador?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from St. Louis to San Salvador changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $667 to $2,862. That means the highest observed fare was about 4x higher than the lowest one.

How are flight prices from St. Louis to San Salvador looking right now?

One-way fares from St. Louis to San Salvador are currently higher than usual. Average one-way flight prices are about $345, which is 6% above the typical average for this route.

How much time can I save by choosing a different layover airport from St. Louis to San Salvador?

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 7h 22m, compared with 7h 45m via Atlanta Hartsfield-Jackson (ATL) and 8h 09m via Houston George Bush Intcntl (IAH).

What car rental options are available at San Salvador El Salvador Intl Airport (SAL)?

San Salvador El Salvador Intl Airport (SAL) hosts 5 major car rental companies, with daily rates averaging $29 for economy cars. Top options include: • Budget • Europcar • Sixt • Hertz • Fox

How much should I expect to pay for a St. Louis to San Salvador flight?

Round-trip flights from St. Louis to San Salvador range from $491 to $745, with an average of $609 over the past 12 months. Anything below $491 counts as a good deal.

How much is a round-trip flight from St. Louis to San Salvador?

Round-trip flights from St. Louis to San Salvador typically range from $491 to $745. The lowest price found in the past 5 days was $667, on United Airlines.

What's the cheapest day of the week to fly from St. Louis to San Salvador?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from St. Louis to San Salvador. It’s 6% cheaper than the average day, while Tuesday is the most expensive, with prices 18% higher.

What’s the cheapest month to fly from St. Louis to San Salvador?

•January is the cheapest month to fly from St. Louis to San Salvador at $423 round-trip. •December ($1,299) and September ($1,060) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 207% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Which airline is the cheapest to fly from St. Louis to San Salvador?

United Airlines ($667) and American Airlines ($672) are the cheapest airlines to fly round-trip from St. Louis to San Salvador according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from St. Louis to San Salvador?

Houston George Bush Intcntl (IAH) is the most popular layover for the St. Louis to San Salvador route. 50% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via IAH.

What is the cheapest layover airport when flying from St. Louis to San Salvador?

Flights via Atlanta Hartsfield-Jackson (ATL) offer the most affordable fares, with an average round-trip price of $599. Based on KAYAK data over the past 3 months.

When flying from St. Louis to San Salvador which airport offers the shortest layover?

Dallas/Fort Worth (DFW) had the shortest average connection time for St. Louis to San Salvador layovers at 4h 20m over the past 3 months.

$308 CHEAP FLIGHTS from St. Louis to San Salvador (STL - SAL)

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$667

Typical prices: $491-$745

United Airlines

Fri 2/23Thu 3/1

STL - SAL • 1 stop

Cheapest one-way

$308

Typical prices: $259-$372

United Airlines

Fri 1/19

STL - SAL • 2 stops

Nonstop flights

Not available

There are currently no direct flights between St. Louis and San Salvador. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 31% price drop

April

Most popular

Good to know

Top layover airports

Atlanta Hartsfield-Jackson (ATL)

Cheapest • Avg $599 (round-trip)

Dallas/Fort Worth (DFW)

Shortest trip • 7h 22m (one-way)

Insights

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We hope you love your trip to San Salvador!

Flight Deals

Cheap Flights from St. Louis to San Salvador (STL-SAL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from St. Louis to San Salvador

Thu, Jan 21 - Wed, Jan 27

6:15 am - 1:19 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

7h 04m1 stop Houston George Bush Intcntl

11:54 pm - 9:50 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

9h 56m1 stop Newark

$667United Airlines

Tue, Feb 23 - Mon, Mar 1

8:35 am - 3:24 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

6h 49m1 stop Houston George Bush Intcntl

11:54 pm - 3:58 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

16h 04m1 stop Newark

$667United Airlines

Thu, Jan 21 - Wed, Jan 27

6:15 am - 9:19 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

15h 04m1 stop Houston George Bush Intcntl

7:00 am - 2:06 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

7h 06m1 stop Houston George Bush Intcntl

$667United Airlines

Thu, Jan 21 - Wed, Jan 27

6:00 pm - 2:19 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

20h 19m2 stops Dallas/Fort Worth Miami

2:05 pm - 8:51 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

18h 46m2 stops Miami Dallas/Fort Worth

$672American Airlines

Thu, Jan 21 - Wed, Jan 27

8:18 pm - 2:19 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

18h 01m2 stops Chicago O'Hare Intl Miami

3:07 pm - 10:34 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

19h 27m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$672American Airlines

Thu, Jan 21 - Wed, Jan 27

6:15 am - 1:19 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

7h 04m1 stop Houston George Bush Intcntl

11:54 pm - 5:13 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

17h 19m2 stops Newark Chicago O'Hare Intl

$672United Airlines

Fri, Feb 12 - Tue, Feb 16

5:00 am - 3:11 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

10h 11m1 stop Miami

3:55 pm - 11:26 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

7h 31m1 stop Dallas/Fort Worth

$702American Airlines

Sat, Jan 2 - Sat, Jan 9

6:21 pm - 1:01 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

18h 40m1 stop Atlanta Hartsfield-Jackson

10:22 am - 7:50 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

9h 28m1 stop Orlando

$796Frontier

Tue, Dec 8 - Tue, Dec 15

8:30 am - 10:05 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

13h 35m1 stop Washington, D.C. Dulles Intl

8:25 pm - 10:03 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

13h 38m1 stop Washington, D.C. Dulles Intl

$838Avianca

Tue, Dec 8 - Mon, Dec 14

8:30 am - 10:05 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

13h 35m1 stop Washington, D.C. Dulles Intl

10:05 pm - 10:03 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

11h 58m1 stop Washington, D.C. Dulles Intl

$838Avianca

Recent last minute flight deals from St. Louis to San Salvador

Mon, Nov 16 - Thu, Nov 26

8:15 pm - 2:05 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

17h 50m2 stops Chicago O'Hare Intl Miami

1:11 pm - 10:08 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

20h 57m2 stops Miami Washington, D.C. Reagan-National

$790American Airlines

Mon, Nov 16 - Thu, Nov 26

6:00 am - 10:47 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

16h 47m1 stop Newark

4:40 pm - 2:13 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

21h 33m1 stop Houston George Bush Intcntl

$800United Airlines

Mon, Nov 16 - Thu, Nov 26

7:30 am - 10:47 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

15h 17m2 stops Chicago O'Hare Intl Newark

4:40 pm - 4:50 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

24h 10m1 stop Houston George Bush Intcntl

$804United Airlines

Sun, Nov 15 - Thu, Dec 3

5:02 am - 2:05 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

9h 03m1 stop Miami

1:11 pm - 5:25 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

28h 14m1 stop Miami

$855American Airlines

Sun, Nov 15 - Thu, Dec 3

5:02 am - 2:05 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

9h 03m1 stop Miami

1:11 pm - 5:25 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

28h 14m1 stop Miami

$856American Airlines

Sun, Nov 15 - Thu, Dec 3

5:02 am - 2:05 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

9h 03m1 stop Miami

1:11 pm - 5:25 pmSAL San Salvador El Salvador Intl-STL Lambert-St Louis

28h 14m1 stop Miami

$857American Airlines

Sun, Nov 15 - Tue, Dec 1

8:00 am - 10:05 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

14h 05m1 stop Washington, D.C. Dulles Intl

10:05 pm - 10:03 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

11h 58m1 stop Washington, D.C. Dulles Intl

$891Avianca

Mon, Nov 16 - Fri, Nov 20

8:30 am - 9:19 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

12h 49m1 stop Houston George Bush Intcntl

11:54 pm - 10:44 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

10h 50m1 stop Newark

$897United Airlines

Tue, Nov 17 - Tue, Jan 5

8:00 am - 8:00 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

12h 00m1 stop Washington, D.C. Dulles Intl

8:25 pm - 10:08 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

13h 43m1 stop Washington, D.C. Dulles Intl

$1,099Avianca

Tue, Nov 17 - Tue, Jan 5

8:00 am - 8:00 pmSTL Lambert-St Louis-SAL San Salvador El Salvador Intl

12h 00m1 stop Washington, D.C. Dulles Intl

10:05 pm - 10:08 amSAL San Salvador El Salvador Intl-STL Lambert-St Louis

12h 03m1 stop Washington, D.C. Dulles Intl

$1,099Avianca

Booking Insights

Price, demand and travel trends for St. Louis to San Salvador flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to San Salvador? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to San Salvador departing in february.
What's the cheapest day of the week to fly from St. Louis to San Salvador?: Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from St. Louis to San Salvador. It’s 6% cheaper than the average day, while Tuesday is the most expensive, with prices 18% higher.
What’s the cheapest month to fly from St. Louis to San Salvador? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from St. Louis to San Salvador, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •January is the cheapest month to fly from St. Louis to San Salvador at $423 round-trip.
•December ($1,299) and September ($1,060) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 207% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	September
High season	April
Cheapest flight	$308

Beat the crowds with an average 61% drop in travelers.

The most popular month to fly with an average 89% increase in travelers.

One-way flight from St. Louis to San Salvador

When to book flights from St. Louis to San Salvador

Are your dates flexible? Find out the best times to travel from St. Louis to San Salvador based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from St. Louis to San Salvador?
Two cabin classes are available on flights from St. Louis to San Salvador:

• Economy Class
• First Class
How long is a flight from St. Louis to San Salvador?
A nonstop flight from St. Louis to San Salvador takes 00m, covering 1,749 miles.
Do I need a passport to fly from St. Louis to San Salvador?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a St. Louis to San Salvador flight?
Round-trip flights from St. Louis to San Salvador range from $491 to $745, with an average of $609 over the past 12 months. Anything below $491 counts as a good deal.
Have flight prices from St. Louis to San Salvador changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $667 to $2,862. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from St. Louis to San Salvador looking right now?
One-way fares from St. Louis to San Salvador are currently higher than usual. Average one-way flight prices are about $345, which is 6% above the typical average for this route.
What car rental options are available at San Salvador El Salvador Intl Airport (SAL)?
San Salvador El Salvador Intl Airport (SAL) hosts 5 major car rental companies, with daily rates averaging $29 for economy cars. Top options include:

• Budget
• Europcar
• Sixt
• Hertz
• Fox
Which airports can I use when flying from St. Louis to San Salvador?
Flights from St. Louis to San Salvador usually depart from Lambert-St Louis (STL) and arrive at San Salvador El Salvador Intl (SAL).
Which airports do connecting flights from St. Louis to San Salvador pass through?
One-stop flights from St. Louis to San Salvador most commonly connect through:

• Houston George Bush Intcntl (IAH) - 50% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 23% of one-stop connections
• Dallas/Fort Worth (DFW) - 21% of one-stop connections
• Miami (MIA) - 6% of one-stop connections
Can I save money by using flexible dates for flights from St. Louis to San Salvador?
Yes. Flexible dates can save you up to 21% on flights from St. Louis to San Salvador. Saturday is the cheapest departure day at $573 round-trip on average, while Tuesday is the most expensive at $724, a difference of $151.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from St. Louis to San Salvador?
Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 7h 22m, compared with 7h 45m via Atlanta Hartsfield-Jackson (ATL) and 8h 09m via Houston George Bush Intcntl (IAH).

If your dates are flexible, aim for a Saturday departure and avoid flying on Tuesday. On this route, Saturday flights average $573, about $151 less than Tuesday fares (21% savings) based on the last 12 months.
If you can choose when to travel, plan your St. Louis to San Salvador trip for January. Fares historically average $423 round-trip in that month - typically $876 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from St. Louis to San Salvador

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Cabin class

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Complete your trip to San Salvador with a hotel stay or car rental

Car rentals in San Salvador

Hotels in San Salvador

Vacations in San Salvador

STL - SAL

$308 Find Cheap Flights from St. Louis to San Salvador - Compare and Save

Everything you should know

Cheap Flights from St. Louis to San Salvador (STL-SAL)

Recent round-trip flight deals from St. Louis to San Salvador

Recent one-way flight deals from St. Louis to San Salvador

Recent last minute flight deals from St. Louis to San Salvador

Price, demand and travel trends for St. Louis to San Salvador flights

How much is a round-trip flight from St. Louis to San Salvador?

What's the cheapest day of the week to fly from St. Louis to San Salvador?

What’s the cheapest month to fly from St. Louis to San Salvador?

Which airline is the cheapest to fly from St. Louis to San Salvador?

What’s the most popular layover airport when flying from St. Louis to San Salvador?

What is the cheapest layover airport when flying from St. Louis to San Salvador?

When flying from St. Louis to San Salvador which airport offers the shortest layover?

Key details for St. Louis to San Salvador flights

Low season

High season

Cheapest flight

When to book flights from St. Louis to San Salvador

Your St. Louis to San Salvador flight questions, answered

Your guide to booking St. Louis to San Salvador flights

More options for your flight from St. Louis to San Salvador

Complete your trip to San Salvador with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to San Salvador

Find direct flights to and from St. Louis and San Salvador

Flights from domestic origins to San Salvador

Flights to other popular destinations