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Cheap flights from San Diego to St. Louis (SAN - STL) from $105

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 6/9. 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 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
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 2, 2024.

Popular in

December

Cheapest in

May

Round-trip from

$319

One-way from

$166
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 Frontier flights from San Diego to St. Louis

Explore cheap flight options specifically provided by Frontier for the route between San Diego and St. Louis. 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 2,810,401 searches. Data last updated June 2, 2024.
Find some of the cheapest Frontier flights traveling from San Diego to St. Louis. Deals update often to give you more flight options matching your criteria
Tue 6/117:45 pmSAN - STL
1 stop11h 44mFrontier
Thu 6/133:32 pmSTL - SAN
1 stop23h 25mFrontier
Deal found 6/1$144
Fri 8/238:41 pmSAN - STL
1 stop11h 37mFrontier
Tue 8/2710:32 pmSTL - SAN
1 stop9h 52mFrontier
Deal found 6/1$151
Mon 6/1010:06 amSAN - STL
1 stop26h 41mFrontier
Mon 6/178:22 pmSTL - SAN
1 stop24h 32mFrontier
Deal found 6/1$170
Thu 9/59:06 pmSAN - STL
1 stop11h 12mFrontier
Sun 9/87:29 pmSTL - SAN
1 stop26h 12mFrontier
Deal found 6/1$171
Wed 6/122:52 pmSAN - STL
1 stop5h 15mFrontier
Mon 6/178:22 pmSTL - SAN
1 stop12h 39mFrontier
Deal found 6/2$172
Mon 6/102:02 pmSAN - STL
1 stop22h 45mFrontier
Mon 6/178:22 pmSTL - SAN
2 stops25h 02mFrontier
Deal found 6/1$176
Fri 6/710:24 amSAN - STL
1 stop9h 35mFrontier
Mon 6/108:22 pmSTL - SAN
1 stop12h 39mFrontier
Deal found 6/1$199
Mon 7/110:28 amSAN - STL
1 stop8h 42mFrontier
Thu 7/412:05 pmSTL - SAN
1 stop9h 18mFrontier
Deal found 6/1$200
Wed 6/122:52 pmSAN - STL
1 stop5h 15mFrontier
Sun 6/167:29 pmSTL - SAN
1 stop16h 09mFrontier
Deal found 6/1$203

Cheap United Airlines flights from San Diego to St. Louis

Explore cheap flight options specifically provided by United Airlines for the route between San Diego and St. Louis. 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 2,810,401 searches. Data last updated June 2, 2024.
Some of the best deals we've found on United Airlines flights traveling from San Diego to St. Louis. Deals frequently update to provide users with more options.
Wed 9/258:45 pmSAN - STL
2 stops11h 22mUnited Airlines
Wed 10/211:09 amSTL - SAN
2 stops8h 33mUnited Airlines
Deal found 6/1$346
Sat 6/156:05 pmSAN - STL
2 stops20h 24mUnited Airlines
Sat 6/224:45 pmSTL - SAN
1 stop7h 37mUnited Airlines
Deal found 6/1$529
Fri 8/28:39 pmSAN - STL
2 stops11h 40mUnited Airlines
Fri 8/91:45 pmSTL - SAN
2 stops11h 59mUnited Airlines
Deal found 5/31$538
Tue 6/1112:02 pmSAN - STL
1 stop8h 13mUnited Airlines
Thu 6/131:42 pmSTL - SAN
2 stops12h 02mUnited Airlines
Deal found 6/2$544
Wed 6/1210:20 amSAN - STL
1 stop8h 05mUnited Airlines
Mon 6/1711:15 amSTL - SAN
2 stops25h 13mUnited Airlines
Deal found 6/2$599
Wed 6/196:40 amSAN - STL
2 stops13h 35mUnited Airlines
Wed 7/101:45 pmSTL - SAN
2 stops11h 59mUnited Airlines
Deal found 6/1$603
Fri 6/288:39 pmSAN - STL
2 stops11h 40mUnited Airlines
Sun 6/306:30 amSTL - SAN
1 stop6h 38mUnited Airlines
Deal found 5/31$613
Fri 8/308:45 pmSAN - STL
2 stops13h 37mUnited Airlines
Mon 9/211:10 amSTL - SAN
2 stops12h 05mUnited Airlines
Deal found 5/31$648
Wed 7/106:15 amSAN - STL
2 stops13h 56mUnited Airlines
Thu 7/115:30 pmSTL - SAN
1 stop7h 55mUnited Airlines
Deal found 6/1$651

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 2,810,401 searches. Prices were last updated on June 2, 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 6/52:52 pmSAN - STL
1 stop5h 15mFrontier
Tue 6/113:47 pmSTL - SAN
1 stop7h 35mFrontier
Deal found 6/1$126
Wed 6/52:52 pmSAN - STL
1 stop5h 15mFrontier
Sat 6/88:02 pmSTL - SAN
1 stop12h 59mFrontier
Deal found 6/1$136
Thu 6/68:01 amSAN - STL
1 stop23h 39mFrontier
Thu 6/133:32 pmSTL - SAN
1 stop7h 50mFrontier
Deal found 6/1$140
Tue 6/117:45 pmSAN - STL
1 stop11h 44mFrontier
Thu 6/133:32 pmSTL - SAN
1 stop23h 25mFrontier
Deal found 6/1$144
Thu 6/68:29 pmSAN - STL
2 stops23h 30mFrontier
Thu 6/137:29 pmSTL - SAN
1 stop20h 49mFrontier
Deal found 6/1$145
Thu 6/63:02 pmSAN - STL
1 stop16h 38mFrontier
Mon 6/108:22 pmSTL - SAN
1 stop12h 39mFrontier
Deal found 6/1$150
Thu 6/68:29 pmSAN - STL
2 stops23h 30mFrontier
Mon 6/108:22 pmSTL - SAN
1 stop24h 21mFrontier
Deal found 6/1$155
Thu 6/68:29 pmSAN - STL
2 stops23h 30mFrontier
Mon 6/108:22 pmSTL - SAN
2 stops25h 02mFrontier
Deal found 6/1$160
Mon 6/1010:06 amSAN - STL
1 stop26h 41mFrontier
Mon 6/178:22 pmSTL - SAN
1 stop24h 32mFrontier
Deal found 6/1$170

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 2,810,401 searches. Data last updated June 2, 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 6/52:52 pmSAN - STL
1 stop5h 15mFrontier
Tue 6/113:47 pmSTL - SAN
1 stop7h 35mFrontier
Deal found 6/1$126
Sat 8/243:05 pmSAN - STL
1 stop5h 46mMultiple Airlines
Wed 8/281:59 pmSTL - SAN
1 stop5h 18mMultiple Airlines
Deal found 6/1$134
Wed 6/52:52 pmSAN - STL
1 stop5h 15mFrontier
Sat 6/88:02 pmSTL - SAN
1 stop12h 59mFrontier
Deal found 6/1$136
Thu 6/68:01 amSAN - STL
1 stop23h 39mFrontier
Thu 6/133:32 pmSTL - SAN
1 stop7h 50mFrontier
Deal found 6/1$140
Sat 8/243:05 pmSAN - STL
1 stop5h 46mMultiple Airlines
Wed 8/281:59 pmSTL - SAN
1 stop5h 18mMultiple Airlines
Deal found 6/1$142
Tue 6/117:45 pmSAN - STL
1 stop11h 44mFrontier
Thu 6/133:32 pmSTL - SAN
1 stop23h 25mFrontier
Deal found 6/1$144
Thu 6/68:29 pmSAN - STL
2 stops23h 30mFrontier
Thu 6/137:29 pmSTL - SAN
1 stop20h 49mFrontier
Deal found 6/1$145
Thu 6/63:02 pmSAN - STL
1 stop16h 38mFrontier
Mon 6/108:22 pmSTL - SAN
1 stop12h 39mFrontier
Deal found 6/1$150
Fri 8/238:41 pmSAN - STL
1 stop11h 37mFrontier
Tue 8/2710:32 pmSTL - SAN
1 stop9h 52mFrontier
Deal found 6/1$151

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 2,810,401 searches. Data last updated June 2, 2024.
Book one of these great deals on flights from San Diego to St. Louis. Tip: verify your flight details before completing your reservation.
Tue 6/117:45 pmSAN - STL
1 stop11h 44mFrontier
Thu 6/133:32 pmSTL - SAN
1 stop23h 25mFrontier
Deal found 6/1$144
Mon 6/1010:06 amSAN - STL
1 stop26h 41mFrontier
Mon 6/178:22 pmSTL - SAN
1 stop24h 32mFrontier
Deal found 6/1$170
Wed 6/122:52 pmSAN - STL
1 stop5h 15mFrontier
Mon 6/178:22 pmSTL - SAN
1 stop12h 39mFrontier
Deal found 6/2$172
Mon 6/102:02 pmSAN - STL
1 stop22h 45mFrontier
Mon 6/178:22 pmSTL - SAN
2 stops25h 02mFrontier
Deal found 6/1$176
Fri 6/710:24 amSAN - STL
1 stop9h 35mFrontier
Mon 6/108:22 pmSTL - SAN
1 stop12h 39mFrontier
Deal found 6/1$199
Wed 6/122:52 pmSAN - STL
1 stop5h 15mFrontier
Sun 6/167:29 pmSTL - SAN
1 stop16h 09mFrontier
Deal found 6/1$203
Fri 6/71:57 pmSAN - STL
1 stop17h 32mFrontier
Mon 6/108:22 pmSTL - SAN
2 stops25h 02mFrontier
Deal found 6/2$214
Fri 6/75:56 pmSAN - STL
1 stop13h 33mFrontier
Fri 6/145:36 pmSTL - SAN
1 stop22h 43mFrontier
Deal found 6/1$239
Sat 6/810:00 amSAN - STL
1 stop26h 37mFrontier
Fri 6/145:36 pmSTL - SAN
1 stop15h 24mFrontier
Deal found 6/1$251

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 2,810,401 searches. Data last updated June 2, 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.
Sun 6/910:14 pmSAN - STL
1 stop13h 37mSpirit Airlines
Deal found 6/1$105
Mon 7/110:28 amSAN - STL
1 stop8h 42mFrontier
Deal found 6/1$106
Sun 6/94:52 pmSAN - STL
2 stops27h 07mFrontier
Deal found 6/1$107
Sun 6/98:24 pmSAN - STL
2 stops23h 35mFrontier
Deal found 6/1$108
Fri 6/148:21 pmSAN - STL
1 stop12h 21mFrontier
Deal found 6/1$110
Sun 6/238:01 amSAN - STL
1 stop23h 28mFrontier
Deal found 6/1$111
Sun 6/304:52 pmSAN - STL
1 stop16h 22mFrontier
Deal found 6/1$113
Sun 7/289:33 pmSAN - STL
1 stop11h 49mFrontier
Deal found 6/1$114
Sat 6/299:47 amSAN - STL
1 stop5h 24mAmerican Airlines
Deal found 6/1$123

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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$134 - $346

Route

Depart

Return

Price

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Sat 8/24

1 stop5h 46m

Lambert-St Louis

Wed 8/28

1 stop5h 18m

$134

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Sat 8/24

1 stop5h 46m

Lambert-St Louis

Wed 8/28

1 stop5h 18m

$142

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Fri 8/23

1 stop11h 37m

Lambert-St Louis

Tue 8/27

1 stop9h 52m

$151

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Wed 9/25

1 stop11h 37m

Lambert-St Louis

Wed 10/2

1 stop10h 42m

$167

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Thu 9/5

1 stop11h 12m

Lambert-St Louis

Sun 9/8

1 stop26h 12m

$171

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Fri 9/20

1 stop18h 48m

Lambert-St Louis

Mon 9/23

1 stop24h 27m

$173

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Thu 6/27

1 stop5h 43m

Lambert-St Louis

Sun 6/30

1 stop8h 29m

$246

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Fri 7/26

2 stops10h 39m

Lambert-St Louis

Sun 7/28

1 stop15h 04m

$341

San DiegoLambert-St Louis

SAN - STL

SANSTL

San Diego

Wed 9/25

2 stops11h 22m

Lambert-St Louis

Wed 10/2

2 stops8h 33m

$346

Flights are sorted by cheapest first

Deals found on 6/1

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 May 26, 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. Sunday afternoons 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

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 2, 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 Alaska Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

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
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

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
10,410 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

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
10,755 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

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
14,260 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

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
8,602 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

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 15m 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 Multiple Airlines for just $134, but on average you can expect to pay $196.

  • Are there last-minute flights available from San Diego to St. Louis for under $200?

    There are currently 20+ open flights from San Diego to St. Louis within the next 7 days for less than $200.

  • 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 $151. Other airlines that can offer you cheap pricing are Spirit Airlines, from $173, and Delta, from $246. 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 Spirit Airlines. According to our data, you can fly for as low as $105. Users have also found prices from $106 and $123 on Frontier and American 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 $57 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 6/1.

  • 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 $319). Flying from San Diego to St. Louis in July is currently the most expensive (average of $366). 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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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 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$207FlexibilityNo cancel feeOn-time62%
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Spirit AirlinesCheapest$142Average$358FlexibilityNo cancel feeOn-time65%
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DeltaCheapest$235Average$408FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$235Average$454FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$297Average$443FlexibilityNo cancel feeOn-time69%
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Alaska AirlinesCheapest$482Average$549FlexibilityNo cancel feeOn-time75%
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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.
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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 2, 2024.
1%of flight departuresEarly morningMidnight to 6 am
61%of flight departuresMorning6 am to noon
38%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 2, 2024.
Sunday1daily flight
Monday4daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday4daily flights
Friday4daily flights
Saturday1daily flight

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Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to St. Louis from San Diego today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from San Diego.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Diego to St. Louis flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on San Diego to St. Louis flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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