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St. Louis to San Diego International Airport flight
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Cheap Flights from St. Louis to San Diego International Airport

  • One way
  • Return
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL19:29
        23h 39m
        1 stop
        SAN17:08
        St. Louis - San Diego|Tue, Jun 25|Frontier Airlines
        SGD 74SGD 153
        52% OFF
        52% OFF
        SGD 153SGD 74
      • STL22:59
        11h 8m
        1 stop
        SAN08:07
        St. Louis - San Diego|Tue, Aug 6|Frontier Airlines
        SGD 78SGD 153
        49% OFF
        49% OFF
        SGD 153SGD 78
      • STL20:00
        12h 24m
        1 stop
        SAN06:24
        St. Louis - San Diego|Wed, Aug 14|Frontier Airlines
        SGD 85SGD 153
        45% OFF
        45% OFF
        SGD 153SGD 85
      • STL19:29
        13h 51m
        1 stop
        SAN07:20
        St. Louis - San Diego|Wed, Jun 26|Frontier Airlines
        SGD 99
        SGD 99
      • STL13:55
        8h 35m
        1 stop
        SAN20:30
        St. Louis - San Diego|Wed, Jun 26|Spirit Airlines
        SGD 100
        SGD 100
      • STL15:47
        7h 29m
        1 stop
        SAN21:16
        St. Louis - San Diego|Tue, Jul 16|Frontier Airlines
        SGD 100
        SGD 100
      • STL20:00
        12h 24m
        1 stop
        SAN06:24
        St. Louis - San Diego|Fri, Aug 30|Frontier Airlines
        SGD 100
        SGD 100
      • STL20:57
        26h 15m
        1 stop
        SAN21:12
        St. Louis - San Diego|Thu, Jul 25|Frontier Airlines
        SGD 107
        SGD 107
      • STL12:41
        10h 33m
        1 stop
        SAN21:14
        St. Louis - San Diego|Mon, Jul 15|Frontier Airlines
        SGD 108
        SGD 108
      • STL22:57
        21h 2m
        1 stop
        SAN17:59
        St. Louis - San Diego|Wed, Jul 3|Frontier Airlines
        SGD 109
        SGD 109
      • STL13:00
        3h 5m
        Direct
        SAN14:00
        St. Louis - San Diego|Sun, Jun 30|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from St. Louis to San Diego International Airport
Frontier Airlines
From SGD 74
Spirit Airlines
From SGD 100
American Airlines
From SGD 151
Alaska Airlines
From SGD 153
Delta Air Lines
From SGD 160
United Airlines
From SGD 202
Sun Country Airlines
From SGD 260
Southwest Airlines
From SGD 269
ANA airlines

Find more flights and airlines

Airports in St. Louis

  • 21.12 km from central St. Louis
    St. Louis Lambert International Airport
    Tickets From
    SGD 74
Flight Schedule from St. Louis to San Diego International Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. AA421

    American Airlines

    05:29

    STL

    1.9h

    08:25

    CLT

    SMTWTFS
    Search

  2. AA2059

    American Airlines

    11:31

    CLT

    5.1h

    13:36

    SAN

    SMTWTFS

  3. AA2261

    American Airlines

    05:30

    STL

    1.9h

    07:24

    DFW

    SMTWTFS
    Search

  4. AA2645

    American Airlines

    09:03

    DFW

    3.1h

    10:07

    SAN

    SMTWTFS

  5. AA439

    American Airlines

    06:03

    STL

    1.4h

    07:25

    ORD

    SMTWTFS
    Search

  6. AA2343

    American Airlines

    08:10

    ORD

    4.3h

    10:29

    SAN

    SMTWTFS

  7. DL1597

    Delta Air Lines

    06:06

    STL

    1.6h

    07:43

    MSP

    SMTWTFS
    Search

  8. DL2121

    Delta Air Lines

    09:00

    MSP

    3.8h

    10:49

    SAN

    SMTWTFS

  9. AA1410

    American Airlines

    08:01

    STL

    1.9h

    09:52

    DFW

    SMTWTFS
    Search

  10. AA2747

    American Airlines

    14:41

    DFW

    3.1h

    15:46

    SAN

    SMTWTFS

  11. NK1129

    Spirit Airlines

    11:36

    STL

    3.5h

    13:08

    LAS

    S-T-T--
    Search

  12. NK1850

    Spirit Airlines

    22:20

    LAS

    1.2h

    23:31

    SAN

    SMTWTFS

  13. AS388

    Alaska Airlines

    14:21

    STL

    4.4h

    16:45

    SEA

    SMTWTFS
    Search

  14. AS1156

    Alaska Airlines

    19:59

    SEA

    2.8h

    22:46

    SAN

    SMTWTFS

  15. AS388

    Alaska Airlines

    14:21

    STL

    4.4h

    16:45

    SEA

    SMTWTFS
    Search

  16. AS1131

    Alaska Airlines

    18:49

    SEA

    2.8h

    21:36

    SAN

    SMTWTFS

  17. AA831

    American Airlines

    15:19

    STL

    1.9h

    18:15

    CLT

    SMTWTFS
    Search

  18. AA2647

    American Airlines

    20:45

    CLT

    4.9h

    22:40

    SAN

    SMTWTFS

  19. AA2303

    American Airlines

    18:11

    STL

    3.3h

    19:28

    PHX

    SMTWTFS
    Search

  20. AA480

    American Airlines

    20:41

    PHX

    1.2h

    21:53

    SAN

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from St. Louis to San Diego International Airport

Cheapest return ticket price

SGD 226

Cheapest direct flight price

SGD 73

Off-season for travel

May

Peak season for travel

December

FAQs for St. Louis to San Diego International Airport Flights

  • When are flight from St. Louis (STL) to San Diego (SAN) the cheapest?

    Airlines adjust prices for flights from St. Louis to San Diego based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from St. Louis (STL) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around SGD 534.

  • How long is the flights from St. Louis (STL) to San Diego (SAN)?

    It takes about 4 hours 37 minutes to fly from St. Louis (STL) to San Diego (SAN).

  • What is the transportation method from the main airport to downtown in San Diego?

    • The distance from San Diego International Airport to downtown is about 3km, by taxi about 20 minutes.

  • What time does the earliest flight from St. Louis to San Diego depart?

    The earliest flight departs from St. Louis (STL) at 06:20 and arrives in San Diego (SAN) at 13:12.

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

    Airlines with flights from St. Louis (STL) to San Diego (SAN): Southwest Airlines.

  • What's the most popular airline for direct flights from St. Louis (STL) to San Diego (SAN)?

    Southwest Airlines operates 1 direct flights from St. Louis (STL) to San Diego (SAN).

  • How many airports in San Diego (SAN)?

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