Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
SANSTLFri, 30 Oct
Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fareUS$168Delta Air Lines
Fastest5h 34mgate to gate
Options found93flights on this route
Find your flightSAN → STL
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Fare RulesNon-refundable fare. Final rules are verified before booking.
AA
American Airlines
AA-3258
11:33
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
7H :24 M
1 Stop
ORD
· 1h 36m Chicago (ORD), United States
20:57
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$228
Flight DetailsSAN to STL - 7H :24 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
AirLine Private
1 Pieces 2 Pieces
$287
Flight DetailsSAN to STL - 7H :24 M
Baggage InfoCheck-in 1 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-2237
12:05
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
8H :21 M
1 Stop
IAH
· 2h 58m Houston (IAH), United States
22:26
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$228
Flight DetailsSAN to STL - 8H :21 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
AA
American Airlines
AA-2009
12:20
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
7H :39 M
1 Stop
DFW
· 2h 41m Dallas (DFW), United States
21:59
2026-10-30
St Louis (STL)Lambert-St Louis Intl
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$228
Flight DetailsSAN to STL - 7H :39 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
AirLine Private
1 Pieces 2 Pieces
$287
Flight DetailsSAN to STL - 7H :39 M
Baggage InfoCheck-in 1 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Airfare Highlights
From flights departing on Fri, 30 Oct 2026.
Lowest fare$168Delta Air Lines06:15
Earliest departure$374American Airlines06:00
Shortest duration$228American Airlines06:15
Night
00:00-05:59
No optionOpen full search for moreMorning
06:00-11:59
$168Delta Air Lines at 06:15Afternoon
12:00-17:59
$168Delta Air Lines at 12:38Evening
18:00-23:59
$168Delta Air Lines at 22:25
Departure & Arrival Airport Details
San Diego (SAN)
Lindberg Fld S. Diego
United States
GMT -8
Latitude: 32.7336006165
Longitude: -117.190002441
St Louis (STL)
Lambert-St Louis Intl
United States
GMT -6
Latitude: 38.748697
Longitude: -90.370003
Distance: San Diego (SAN), United States to St Louis (STL), United States - 2,501.17 km
Flights shown for 30 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier or moving your trip by a day or two often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMondayPeak
12OctColumbus DayMondayPeak
12OctIndigenous Peoples' DayMondayPeak
11NovVeterans DayWednesdayPeak
26NovThanksgiving DayThursdayPeak
25DecChristmas DayFridayPeak
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here, so check the exact date for your travel year.
Compare your journey
How to travel San Diego to St Louis
Ways to make this trip that you can book on FlyX, compared by price and journey time.
OptionFromJourney timeAvailabilityAction
Connecting flight₹16,212Longer, includes a stop93 options
Air distance is about 2,501 km. 4 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from San Diego to St Louis
Compare fares, stops, baggage and refundability across the airlines flying this route.
UN
United Airlines Flights
from $22841 flights
Fares from
$228
Non-stop
None in these results
Departures
41 in the list above
AM
American Airlines Flights
from $22827 flights
Fares from
$228
Non-stop
None in these results
Departures
27 in the list above
DE
Delta Air Lines Flights
from $16818 flights
Fares from
$168
Non-stop
None in these results
Departures
18 in the list above
AL
Alaska Airlines Flights
from $3737 flights
Fares from
$373
Non-stop
None in these results
Departures
7 in the list above
Route Overview & Flight Facts
Fastest flight duration
5h 34m · American Airlines
First departure of the day
06:00 · American Airlines
Last departure of the day
22:40 · American Airlines
Flight options found
93
Airport codes
San Diego–SAN, St Louis–STL
Fares and timings are indicative. The exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
The search for Fri, 30 Oct found 93 flight options. The first flight leaves around 06:00 and the last around 22:40. The fastest flight takes about 5h 34m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from $168, Afternoon from $168, Evening from $168. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares. Prices change with airline seat availability.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
1
Enter your travel details
Choose one-way or round-trip, pick your dates and travellers in the search form above.
2
Compare search results
Sort or filter the San Diego–St Louis results by price, departure time, stops and airline.
3
Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
4
Review the final price
Review the refreshed supplier fare, coupon saving and selected payment-method fee before you pay.
5
Pay securely
UPI, cards, net banking and wallets supported; payment and ticket issuance have separate statuses. If issuance is pending, follow the booking status; the confirmed ticket is sent after issuance.
Why Book Your Flight with FlyX?
Compare the available San Diego to St Louis options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
Fare checked before paymentCoupon eligibility checkedBooking status trackingBooking support
Exclusive Flight Offers & Promo Coupons
Coupon code
Offer
Max saving
FLYX20
Up to 20% Off on Flights
₹1,500
Check coupon eligibility and the final discount on the review page before you pay. View full terms.
Frequently Asked Questions
Is it worth booking San Diego to St Louis flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. On the San Diego to St Louis dates shown on this page, the lowest fare is on a Friday at $168. This can change from week to week.
How far is San Diego from St Louis by air?
The direct air distance between San Diego (SAN) and St Louis (STL) is about 2,501 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from SAN to STL?
Not on the dates shown here. Every San Diego to St Louis option on this page has at least one stop. Non-stop service can differ by season and by day, so check nearby dates before you decide.
Which airlines fly San Diego to St Louis?
United Airlines, American Airlines, Delta Air Lines and Alaska Airlines are listed on this route for the dates shown here. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from San Diego to St Louis?
Every option on this page has at least one stop, and the shortest total journey time is about 5h 34m including the layover. Non-stop service on this route can vary by season and by day.
What is the cheapest San Diego to St Louis flight fare?
The lowest San Diego to St Louis fare on this page is $168. Fares on the same dates run up to $588, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.
What time do San Diego to St Louis flights depart?
On the dates shown here, the first departure is around 06:00 and the last around 22:40, local time at San Diego. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay. If it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes SAN–STL, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price. Run a search to see what is available for your own dates.
Fares shown are for departures on .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The SAN to STL cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 2,501.17 km.
Before you book
Compare nearby dates
The date strip opens the complete search result for the route and selected date.
Use filters
Shortlist by price, stops, departure time and refundable fare preference.
Check fare choices
Continue to Booking opens the verified fare choices, including baggage and refundability, before review.
Lowest San Diego to St Louis airfare, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare
$168
30/10/2026
Delta Air Lines
06:15
Cheapest Airfare Within 30 Days
$165
07/11/2026
Delta Air Lines
06:15
Cheapest Airfare Within 90 Days
$160
06/01/2027
Delta Air Lines
06:15
Book San Diego to St Louis Flight Tickets on FlyX
FlyX lists each San Diego to St Louis flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.
San Diego to St Louis Flight Distance, Duration and Time
The aerial distance between San Diego and St Louis is about 2,501 KM. In these results, journey times range from 5h 34m to 28h 24m. Flights with a layover take longer because the total includes the connection time.
San Diego to St Louis Flight Schedule and Timing
The search for these dates returned 93 flight options. The first departure from San Diego is at 06:00 and the last is at 22:40. Flights leave from Lindberg Fld S. Diego and land at Lambert-St Louis Intl.
Flight Route Details & Analysis
Flight Details
Information
Route
San Diego to St Louis
Aerial Distance
2,501 KM
Flight Duration
5h 34m - 28h 24m
Airport Codes
San Diego - SAN, St Louis - STL
Total Flights Available
93 flights0 direct93 with layovers
First Flight Departure
Departs at 06:00
Last Flight Departure
Departs at 22:40
Early Morning Flights (12 AM - 8 AM)
22 flights0 direct22 with layovers
Morning Flights (8 AM - 12 PM)
33 flights0 direct33 with layovers
Afternoon Flights (12 PM - 4 PM)
23 flights0 direct23 with layovers
Evening Flights (4 PM - 8 PM)
4 flights0 direct4 with layovers
Night Flights (8 PM - 12 AM)
11 flights0 direct11 with layovers
Airport Information & Terminals
SAN: San Diego airport. San Diego airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
STL: St. Louis airport. St. Louis airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
✈
Preparing your flight
Please wait while we confirm the live fare and seat availability with the airline.
San Diego to St Louis
Loading current fare types...
Try on mobile
Get the FlyX app
Live flight fares, instant e-tickets and trip updates, right on your phone.
Lindberg Fld S. Diego
