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Cheap flights from San Diego to St. Louis (SAN - STL) from $95

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 8/1. 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.
SAN — STL
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
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The best prices from San Diego to Lambert-St Louis are usually found in May or April, booked 66 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from San Diego to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to St. Louis (STL). 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 June 7, 2024.

Popular in

December

Cheapest in

May

Round-trip from

$318

One-way from

$110
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 20% potential price drop
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From San Diego to Lambert-St Louis
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One-way flight from San Diego to Lambert-St Louis
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What is the cheapest day to fly round-trip from San Diego to St. Louis?

Users have found that flying from San Diego to St. Louis on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Travelers have found it’s best to book a flight 34 days in advance to save up to 142% 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 34 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 San Diego to St. Louis 1-2 weeks in advance for as low as $255, or $456 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to St. Louis. Flights to St. Louis from San Diego in May are about $390 on average during May, but can be found for as low as $138.

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

A simple way to save on the total cost of your ticket is to fly from San Diego to St. Louis in the evening. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight at noon.

Cheap San Diego to St. Louis flights in June & July 2024

Find cheap flight options from San Diego to St. Louis specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on June 7, 2024.
Check out some of the best flight deals from San Diego to St. Louis in 2024. Check back in a little while for more flight options.
Wed 7/172:49 pmSAN - STL
1 stop5h 20mFrontier
Mon 7/2212:41 pmSTL - SAN
1 stop10h 33mFrontier
Deal found 6/6$151
Wed 7/242:49 pmSAN - STL
1 stop5h 20mFrontier
Thu 8/19:44 pmSTL - SAN
1 stop17h 55mFrontier
Deal found 6/6$161
Mon 7/2210:14 pmSAN - STL
1 stop21h 17mFrontier
Wed 7/3110:32 pmSTL - SAN
1 stop20h 43mFrontier
Deal found 6/6$174
Mon 7/12:48 pmSAN - STL
1 stop18h 26mFrontier
Tue 7/97:49 pmSTL - SAN
1 stop25h 36mFrontier
Deal found 6/6$175
Tue 7/167:56 pmSAN - STL
1 stop11h 29mFrontier
Mon 7/2212:41 pmSTL - SAN
1 stop10h 33mFrontier
Deal found 6/6$178
Tue 6/189:19 pmSAN - STL
1 stop13h 46mMultiple Airlines
Tue 6/253:47 pmSTL - SAN
1 stop7h 35mMultiple Airlines
Deal found 6/6$179
Tue 7/29:19 pmSAN - STL
1 stop13h 46mMultiple Airlines
Mon 7/812:23 pmSTL - SAN
1 stop27h 43mMultiple Airlines
Deal found 6/6$180
Fri 6/288:21 pmSAN - STL
1 stop12h 21mFrontier
Mon 7/18:22 pmSTL - SAN
1 stop12h 39mFrontier
Deal found 6/6$181
Wed 6/193:03 pmSAN - STL
1 stop21h 29mMultiple Airlines
Wed 6/261:55 pmSTL - SAN
1 stop8h 35mMultiple Airlines
Deal found 6/5$184

San Diego to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between San Diego and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Check out some of the best flight deals from San Diego to St. Louis in 2024. Check back in a little while for more flight options.
Tue 8/208:40 pmSAN - STL
1 stop11h 38mFrontier
Thu 8/227:29 pmSTL - SAN
1 stop26h 12mFrontier
Deal found 6/6$150
Wed 7/172:49 pmSAN - STL
1 stop5h 20mFrontier
Mon 7/2212:41 pmSTL - SAN
1 stop10h 33mFrontier
Deal found 6/6$151
Tue 8/69:10 pmSAN - STL
1 stop10h 15mFrontier
Wed 8/148:00 pmSTL - SAN
1 stop12h 24mFrontier
Deal found 6/6$156
Wed 7/242:49 pmSAN - STL
1 stop5h 20mFrontier
Thu 8/19:44 pmSTL - SAN
1 stop17h 55mFrontier
Deal found 6/6$161
Mon 7/2210:14 pmSAN - STL
1 stop21h 17mFrontier
Wed 7/3110:32 pmSTL - SAN
1 stop20h 43mFrontier
Deal found 6/6$174
Mon 7/12:48 pmSAN - STL
1 stop18h 26mFrontier
Tue 7/97:49 pmSTL - SAN
1 stop25h 36mFrontier
Deal found 6/6$175
Thu 8/110:14 pmSAN - STL
1 stop11h 32mFrontier
Tue 8/610:32 pmSTL - SAN
1 stop22h 53mFrontier
Deal found 6/6$177
Tue 7/167:56 pmSAN - STL
1 stop11h 29mFrontier
Mon 7/2212:41 pmSTL - SAN
1 stop10h 33mFrontier
Deal found 6/6$178
Tue 6/189:19 pmSAN - STL
1 stop13h 46mMultiple Airlines
Tue 6/253:47 pmSTL - SAN
1 stop7h 35mMultiple Airlines
Deal found 6/6$179

San Diego to St. Louis flights leaving soon

Find last-minute flight options from San Diego to St. Louis 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 3,048,502 searches. Data last updated June 7, 2024.
Book one of these great deals on flights from San Diego to St. Louis. Tip: verify your flight details before completing your reservation.
Wed 6/125:59 pmSAN - STL
1 stop14h 43mFrontier
Thu 6/137:29 pmSTL - SAN
1 stop16h 05mFrontier
Deal found 6/6$326
Wed 6/125:59 pmSAN - STL
1 stop14h 43mFrontier
Fri 6/145:36 pmSTL - SAN
2 stops27h 47mFrontier
Deal found 6/6$360
Wed 6/129:36 pmSAN - STL
3 stops16h 29mMultiple Airlines
Thu 6/138:12 pmSTL - SAN
3 stops28h 48mMultiple Airlines
Deal found 6/6$507
Wed 6/126:59 pmSAN - STL
3 stops19h 06mMultiple Airlines
Fri 6/143:07 pmSTL - SAN
1 stop9h 53mMultiple Airlines
Deal found 6/6$525
Wed 6/129:36 pmSAN - STL
3 stops16h 29mMultiple Airlines
Fri 6/145:00 pmSTL - SAN
3 stops32h 18mMultiple Airlines
Deal found 6/6$562
Wed 6/126:59 pmSAN - STL
3 stops19h 06mMultiple Airlines
Thu 6/136:22 pmSTL - SAN
2 stops19h 50mMultiple Airlines
Deal found 6/6$581
Wed 6/129:45 pmSAN - STL
2 stops12h 28mUnited Airlines
Thu 6/134:55 pmSTL - SAN
1 stop6h 50mUnited Airlines
Deal found 6/6$614
Wed 6/128:40 pmSAN - STL
2 stops13h 33mUnited Airlines
Thu 6/134:45 pmSTL - SAN
2 stops8h 59mUnited Airlines
Deal found 6/6$648
Wed 6/126:59 pmSAN - STL
3 stops19h 06mMultiple Airlines
Fri 6/143:07 pmSTL - SAN
2 stops18h 09mMultiple Airlines
Deal found 6/6$657

One-way flights to St. Louis from San Diego

Search for one-way flight options from San Diego to St. Louis. 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 3,048,502 searches. Data last updated June 7, 2024.
Take a look at some of the one-way flights we've detected from San Diego to St. Louis. Users can also find round-trip San Diego to St. Louis flights by using the search form above.
Thu 8/18:48 pmSAN - STL
1 stop10h 37mFrontier
Deal found 6/6$95
Thu 6/2710:14 pmSAN - STL
1 stop11h 40mFrontier
Deal found 6/5$98
Thu 6/2710:14 pmSAN - STL
1 stop11h 40mFrontier
Deal found 6/5$99
Sat 6/225:40 pmSAN - STL
1 stop18h 57mFrontier
Deal found 6/5$110
Thu 6/274:26 pmSAN - STL
2 stops18h 14mMultiple Airlines
Deal found 6/5$167
Thu 6/278:06 amSAN - STL
3 stops26h 54mMultiple Airlines
Deal found 6/5$171
Sat 6/2211:15 amSAN - STL
3 stops28h 50mSpirit Airlines
Deal found 6/5$195
Sat 6/2211:15 amSAN - STL
2 stops27h 17mSpirit Airlines
Deal found 6/5$225
Thu 8/13:59 pmSAN - STL
2 stops16h 26mUnited Airlines
Deal found 6/6$347

Find flights from San Diego to St. Louis within your budget

Customize your flight search to find flights from San Diego to St. Louis 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 3,048,502 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$150 - $336

Route

Depart

Return

Price

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Tue 8/20

1 stop11h 38m

Lambert-St Louis

Thu 8/22

1 stop26h 12m

$150

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Wed 7/17

1 stop5h 20m

Lambert-St Louis

Mon 7/22

1 stop10h 33m

$151

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Tue 8/6

1 stop10h 15m

Lambert-St Louis

Wed 8/14

1 stop12h 24m

$156

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Tue 6/18

1 stop13h 46m

Lambert-St Louis

Tue 6/25

1 stop7h 35m

$179

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Tue 7/2

1 stop13h 46m

Lambert-St Louis

Mon 7/8

1 stop27h 43m

$180

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Thu 7/18

1 stop14h 46m

Lambert-St Louis

Wed 7/24

1 stop5h 58m

$198

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Tue 7/16

1 stop5h 41m

Lambert-St Louis

Sat 7/20

1 stop8h 20m

$246

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Wed 10/2

2 stops13h 41m

Lambert-St Louis

Wed 10/9

1 stop10h 18m

$314

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Sat 7/6

1 stop6h 16m

Lambert-St Louis

Sat 7/13

1 stop6h 16m

$336

Flights are sorted by cheapest first

Deals found on 6/6

How far ahead should I book a flight from San Diego to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to St. Louis. Price data was last updated on May 31, 2024.
The best time to book flights from San Diego to St. Louis is 66 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

What is the cheapest day to fly from San Diego to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from San Diego to St. Louis. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Diego to St. Louis flight should consider departing on Monday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from San Diego to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from San Diego 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.

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °F

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 7, 2024.
To help decide which airline to fly from San Diego to St. Louis, see what other customers have to say about Frontier, United Airlines and Spirit Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,223 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,223 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,363 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,226 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Spirit Airlines
6.4
Okay
8,569 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

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

  • What airports do I use to fly from San Diego to St. Louis?

    To fly from San Diego to St. Louis, you need to book a flight from San Diego (SAN) to Lambert-St Louis (STL). Nonstop flights to Lambert-St Louis from San Diego take 5h 20m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from San Diego to Lambert-St Louis offered by 6 different airlines.

  • Can I find flights from San Diego to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from San Diego to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $150, but on average you can expect to pay $179.

  • Are there last-minute flights available from San Diego to St. Louis for under $400?

    There are currently 9+ open flights from San Diego to St. Louis within the next 7 days for less than $400.

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

    Cheapflights users have booked flights from San Diego to St. Louis round-trip from $150. Another airline that can offer you cheap pricing is Spirit Airlines. Frontier is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Diego to St. Louis one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $95. Users have also found prices from $195 and $347 on Spirit Airlines and United Airlines, respectively.

  • What does SAN to STL mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a San Diego Airport to Lambert-St Louis Airport flight would often be abbreviated as a SAN to STL flight.

  • Where are the most common layover locations when flying from San Diego to St. Louis?

    Of the flights from San Diego to St. Louis that have layovers, most of them stop in Phoenix.

  • What are some popular things to do or see while on a layover in Phoenix?

    Chase Field, Desert Ridge Marketplace, and Orpheum Theater are currently the most popular points of interest in Phoenix at the moment. Those on a layover in Phoenix interested in visiting Chase Field, Desert Ridge Marketplace, or Orpheum Theater can do so by traveling 4.0 mi, 16.7 mi, and 4.6 mi, respectively from Phoenix Sky Harbor Intl. Travelers can book a car rental at Phoenix Sky Harbor Intl for about $58 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for San Diego to St. Louis flights?

    San Diego to St. Louis flights have a layover in Denver the least frequently.

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

    The amount of baggage you can bring on your San Diego to St. Louis 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 San Diego to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Diego to St. Louis 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 San Diego to St. Louis that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to St. Louis 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 San Diego to St. Louis that allow pets onboard?

    Many airlines flying from San Diego to St. Louis 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 San Diego to St. Louis?

    Yes, you can often find last-minute deals on San Diego to St. Louis 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 San Diego to St. Louis flight deals updated?

    The San Diego to St. Louis flight deals you see on this page were last updated on 6/6.

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

    American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from San Diego to St. Louis.

  • What is the cheapest month to book a flight from San Diego to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from San Diego to St. Louis (average of $318). Flying from San Diego to St. Louis in July is currently the most expensive (average of $365). 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

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

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Top 6 airlines flying from San Diego to St. Louis

Discover the top 6 airlines that operate flights from San Diego to St. Louis. 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 3,048,502 searches. Data last updated June 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$208FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$142Average$364FlexibilityNo cancel feeOn-time65%
DeltaCheapest$235Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$235Average$454FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$297Average$448FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$482Average$549FlexibilityNo cancel feeOn-time75%
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Atlanta to Paris flights
New York to Charlotte flights
Portland to Phoenix flights
Kansas City to Chicago flights
Los Angeles to Newark Airport flights
Boston to Paris flights
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Search flights from San Diego to St. Louis by cabin class

Find flights from San Diego to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from San Diego to St. Louis

Find hourly flight availability from San Diego to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 7, 2024.
0%of flight departuresEarly morningMidnight to 6 am
50%of flight departuresMorning6 am to noon
50%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Diego to St. Louis

Explore weekly flight availability from San Diego to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 7, 2024.
Sunday1daily flight
Monday4daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday4daily flights
Friday4daily flights
Saturday1daily flight

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