What are the cheapest airlines to fly from St. Louis to Baja California Sur one-way?

$183 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $197 and $208, respectively.

In terms of precipitation, rainfall in Baja California Sur ranges from 0.0 - 4.5 inches per month. September is typically the wettest month, when rainfall can reach 4.5 in. March is typically the driest time to visit Baja California Sur when rainfall is around 0.0 in.

If weather is an important factor for your trip to Baja California Sur, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 66.2 F).

What are the most popular airlines that fly from St. Louis to Baja California Sur?

When booking a flight from St. Louis to Baja California Sur, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

How far in advance should I book a flight from St. Louis to Baja California Sur?

Travelers have found it’s best to book a flight 22 days in advance to save up to 123% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 22 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Baja California Sur 1-2 weeks in advance for as low as $685, or $744 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Baja California Sur?

Flights from St. Louis to Baja California Sur lean towards being more expensive in November. Prices are generally better when you fly from St. Louis to Baja California Sur in September, with the cheapest ticket starting at $416.

What airport do you fly from for flights from St. Louis to Baja California Sur?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Baja California Sur.

Can I find deals for flights from St. Louis to Baja California Sur that include hotel bookings?

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

How can I find direct flights from St. Louis to Baja California Sur?

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

Can I find deals for business class flights from St. Louis to Baja California Sur?

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

$159+ Flights from St. Louis to Baja California Sur

Q: How much does it cost to fly round-trip from St. Louis to Baja California Sur?

Airfare is below average for this route at the moment. St. Louis to Baja California Sur flights typically cost between $521 and $627 in September. The cheapest round-trip price found within the last 3 days was $414 on Delta (Sep 22-Sep 26).

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Cheap flight deals from St. Louis to Baja California Sur

Round-trip from	$414 (Delta)
One-way from	$159 (Mytrip)
Popular in	November
Cheapest in	September
Average price	$520

From Lambert-St Louis to Baja California Sur

Search Deals

One-way flight from Lambert-St Louis to Baja California Sur

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($80 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

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Find flight deals from St. Louis to Baja California Sur

Cheapest flights from St. Louis to Baja California Sur
Explore the most affordable flight options available from St. Louis to Baja California Sur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Mon 9/227:10 amSTL - SJD

2 stops14h 13mDelta

Fri 9/2612:35 pmSJD - STL

1 stop10h 03mDelta

Deal found 7/29

$414

Mon 9/17:53 amSTL - SJD

1 stop6h 23mAmerican Airlines

Fri 9/511:40 amSJD - STL

2 stops9h 10mAmerican Airlines

Deal found 7/29

$418

Mon 11/105:15 amSTL - SJD

2 stops9h 30mSouthwest

Fri 11/142:40 pmSJD - STL

2 stops8h 40mSouthwest

Deal found 7/30

$452

Fri 8/152:30 pmSTL - SJD

3 stops27h 05mMultiple Airlines

Sat 8/233:54 pmSJD - STL

2 stops19h 38mMultiple Airlines

Deal found 7/29

$519

Sat 10/113:57 pmSTL - SJD

2 stops20h 38mAlaska Airlines

Sat 10/1812:02 pmSJD - STL

1 stop10h 01mAlaska Airlines

Deal found 7/30

$522

Sun 11/306:15 amSTL - SJD

1 stop6h 28mUnited Airlines

Sun 12/141:05 pmSJD - STL

1 stop9h 37mUnited Airlines

Deal found 7/28

$572

Thu 10/93:57 pmSTL - SJD

1 stop24h 55mHawaiian Airlines

Sun 10/124:35 pmSJD - STL

1 stop20h 26mHawaiian Airlines

Deal found 7/31

$601

Best flights from St. Louis to Baja California Sur
Discover carefully curated flight deals from St. Louis to Baja California Sur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Mon 9/227:10 amSTL - SJD

2 stops14h 13mDelta

Fri 9/2612:35 pmSJD - STL

1 stop10h 03mDelta

Deal found 7/29

$414

Mon 9/17:53 amSTL - SJD

1 stop6h 23mAmerican Airlines

Fri 9/511:40 amSJD - STL

2 stops9h 10mAmerican Airlines

Deal found 7/29

$418

Mon 11/105:15 amSTL - SJD

2 stops9h 30mSouthwest

Fri 11/142:40 pmSJD - STL

2 stops8h 40mSouthwest

Deal found 7/30

$452

Fri 8/152:30 pmSTL - SJD

3 stops27h 05mMultiple Airlines

Sat 8/233:54 pmSJD - STL

2 stops19h 38mMultiple Airlines

Deal found 7/29

$519

Sat 10/113:57 pmSTL - SJD

2 stops20h 38mAlaska Airlines

Sat 10/1812:02 pmSJD - STL

1 stop10h 01mAlaska Airlines

Deal found 7/30

$522

Sun 11/306:15 amSTL - SJD

1 stop6h 28mUnited Airlines

Sun 12/141:05 pmSJD - STL

1 stop9h 37mUnited Airlines

Deal found 7/28

$572

Last-minute flights from St. Louis to Baja California Sur
Discover last-minute flight deals from St. Louis to Baja California Sur. Data last updated July 31, 2025 and is based on user searches.

Thu 7/315:25 amSTL - SJD

2 stops10h 15mSouthwest

Thu 8/2110:40 amSJD - STL

1 stop9h 15mSouthwest

Deal found 7/29

$666

Tue 8/56:15 amSTL - SJD

1 stop8h 35mUnited Airlines

Sat 8/910:00 amSJD - STL

1 stop6h 53mUnited Airlines

Deal found 7/30

$900

Tue 8/55:26 pmSTL - SJD

3 stops28h 28mMultiple Airlines

Sat 8/911:53 amSJD - STL

3 stops26h 38mMultiple Airlines

Deal found 7/30

$1,195

Sat 8/95:52 pmSTL - SJD

1 stop17h 33mAmerican Airlines

Sat 8/1610:55 amSJD - STL

1 stop10h 29mAmerican Airlines

Deal found 7/31

$712

Sat 8/97:00 amSTL - SJD

2 stops12h 45mDelta

Sat 8/166:01 amSJD - STL

2 stops14h 01mDelta

Deal found 7/31

$732

Tue 8/127:32 pmSTL - SJD

2 stops24h 40mAlaska Airlines

Wed 8/202:29 pmSJD - STL

2 stops25h 05mAlaska Airlines

Deal found 7/31

$669

Tue 8/127:00 amSTL - SJD

1 stop6h 23mDelta

Wed 8/2012:28 pmSJD - STL

1 stop7h 34mDelta

Deal found 7/31

$675

Fri 8/152:30 pmSTL - SJD

3 stops27h 05mMultiple Airlines

Sat 8/233:54 pmSJD - STL

2 stops19h 38mMultiple Airlines

Deal found 7/29

$519

Fri 8/155:15 amSTL - SJD

1 stop8h 55mUnited Airlines

Sat 8/2311:52 amSJD - STL

1 stop7h 40mUnited Airlines

Deal found 7/29

$588

Sat 8/165:52 pmSTL - SJD

1 stop19h 45mAmerican Airlines

Sat 8/2312:37 pmSJD - STL

1 stop8h 32mAmerican Airlines

Deal found 7/29

$574

One-way flights from St. Louis to Baja California Sur
Search for one-way flight options from St. Louis to Baja California Sur. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Thu 9/1812:05 pmSTL - SJD

3 stops29h 30mMultiple Airlines

Deal found 7/30

$159

Mon 9/299:19 amSTL - SJD

2 stops12h 04mDelta

Deal found 7/29

$183

Mon 10/277:30 amSTL - SJD

2 stops7h 50mSouthwest

Deal found 7/31

$192

Sat 8/3012:20 pmSTL - SJD

1 stop23h 05mAmerican Airlines

Deal found 7/29

$197

Mon 11/248:20 amSTL - SJD

1 stop7h 12mUnited Airlines

Deal found 7/31

$216

Mon 9/83:35 pmSTL - SJD

2 stops21h 01mAlaska Airlines

Deal found 7/31

$225

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Baja California Sur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Mon 9/22

7:10 am-7:23 pm

2 stops14h 13m

San José del Cabo Los Cabos

Fri 9/26

12:35 pm-12:38 am

1 stop10h 03m

$414

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Mon 9/1

7:53 am-12:16 pm

1 stop6h 23m

San José del Cabo Los Cabos

Fri 9/5

11:40 am-10:50 pm

2 stops9h 10m

$418

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Mon 11/10

5:15 am-1:45 pm

2 stops9h 30m

San José del Cabo Los Cabos

Fri 11/14

2:40 pm-12:20 am

2 stops8h 40m

$452

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Fri 8/15

2:30 pm-3:35 pm

3 stops27h 05m

San José del Cabo Los Cabos

Sat 8/23

3:54 pm-1:32 pm

2 stops19h 38m

$519

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Sat 10/11

3:57 pm-10:35 am

2 stops20h 38m

San José del Cabo Los Cabos

Sat 10/18

12:02 pm-12:03 am

1 stop10h 01m

$522

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Sun 11/30

6:15 am-11:43 am

1 stop6h 28m

San José del Cabo Los Cabos

Sun 12/14

1:05 pm-11:42 pm

1 stop9h 37m

$572

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Thu 9/18

12:05 pm-3:35 pm

3 stops29h 30m

$159

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Mon 9/29

9:19 am-7:23 pm

2 stops12h 04m

$183

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Mon 10/27

7:30 am-1:20 pm

2 stops7h 50m

$192

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Sat 8/30

12:20 pm-9:25 am

1 stop23h 05m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 12 results

Best time to book a flight from St. Louis to Baja California Sur

Have a flexible travel schedule? Discover the best time to fly to Baja California Sur from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Baja California Sur

What is the cheapest month to book a flight from St. Louis to Baja California Sur?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Baja California Sur (average of $437). Flying from St. Louis to Baja California Sur in March is currently the most expensive (average of $549). 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.

What is the cheapest time of day to fly from STL to BS?

When flying from St. Louis to Baja California Sur, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from St. Louis to Baja California Sur?

Reviews of airlines servicing Baja California Sur

Read through reviews of airlines operating flights from St. Louis to Baja California Sur, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Southwest

8.0

Very good

4,246 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Delta

8.0

Very good

7,981 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

United Airlines

7.4

Good

8,900 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

What airport do you fly from for flights from St. Louis to Baja California Sur?
Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Baja California Sur.
What are the cheapest airlines to fly from St. Louis to Baja California Sur one-way?
$183 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $197 and $208, respectively.
Can I find deals for flights from St. Louis to Baja California Sur that include hotel bookings?
Yes. In addition to deals on St. Louis to Baja California Sur flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Baja California Sur?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Baja California Sur.
Can I find deals for business class flights from St. Louis to Baja California Sur?
Yes. Cheapflights offers flight deals from St. Louis to Baja California Sur by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Baja California Sur?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Baja California Sur (average of $437). Flying from St. Louis to Baja California Sur in March is currently the most expensive (average of $549). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from St. Louis to Baja California Sur

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$443	Average$610	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$449	Average$591	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$467	Average$664	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$478	Average$750	FlexibilityNo cancel fee	On-time63%

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$159+ Cheap flights from St. Louis (STL) to Baja California Sur

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Baja California Sur with Cheapflights

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Cheap flight deals from St. Louis to Baja California Sur

Keep the following information in mind while searching for St. Louis to Baja California Sur flight deals. Data was last updated July 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Baja California Sur

Cheapest flights from St. Louis to Baja California SurExplore the most affordable flight options available from St. Louis to Baja California Sur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from St. Louis to Baja California Sur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Baja California Sur that are best for you.

Best time to book a flight from St. Louis to Baja California Sur

Have a flexible travel schedule? Discover the best time to fly to Baja California Sur from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Baja California Sur

What is the cheapest month to book a flight from St. Louis to Baja California Sur?

What is the cheapest time of day to fly from STL to BS?

Find hourly flight availability from St. Louis to Baja California Sur. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

How much does it cost to fly round-trip from St. Louis to Baja California Sur?

Reviews of airlines servicing Baja California Sur

Read through reviews of airlines operating flights from St. Louis to Baja California Sur, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from St. Louis to Baja California Sur?

What are the cheapest airlines to fly from St. Louis to Baja California Sur one-way?

Can I find deals for flights from St. Louis to Baja California Sur that include hotel bookings?

How can I find direct flights from St. Louis to Baja California Sur?

Can I find deals for business class flights from St. Louis to Baja California Sur?

What is the cheapest month to book a flight from St. Louis to Baja California Sur?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Baja California Sur

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Baja California Sur

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Cheapest flights from St. Louis to Baja California Sur
Explore the most affordable flight options available from St. Louis to Baja California Sur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.