
Book Cheap Alaska Airlines flight from St. Louis (STL) to San Diego (SAN) from CA $468
Find The Best Day to Book a Cheap Alaska Airlines Flights From St. Louis to San Diego
Cheapest Alaska Airlines Flights from St. Louis (STL) to San Diego (SAN)
The cheapest flights to San Diego Intl. found within the past 7 days were round trip and CA $468 one way. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Grab a great Alaska Airlines flight from STL to SAN
To find a great deal on Alaska Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying Alaska Airlines St. Louis to San Diego gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with Alaska Airlines between St. Louis and San Diego
Alaska Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from St. Louis to San Diego with Alaska Airlines are June.
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your Alaska Airlines flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| SEA | USA | Seattle - Tacoma Intl. | 115 |
| ORD | USA | O'Hare Intl. | 44 |
| LAX | USA | Los Angeles Intl. | 24 |
| PDX | USA | Portland Intl. | 23 |
| ANC | USA | Ted Stevens Anchorage Intl. | 22 |
| SFO | USA | San Francisco Intl. | 21 |
| SAN | USA | San Diego Intl. | 18 |
| JNU | USA | Juneau Intl. | 10 |
| SJC | USA | Norman Y. Mineta San Jose Intl. | 10 |
| GEG | USA | Spokane Intl. | 7 |
Travelers ❤️ these 🏨 after their flight to San Diego

Sheraton San Diego Resort
beautiful property, right at the marina and the Bay with great views
Reviewed on Apr 11, 2026

Wyndham San Diego Bayside
Team was very accommodating, polite and respectful
Reviewed on Apr 12, 2026

Best Western Seven Seas
I wanted to like this place, but i kept getting presesntsd with real life reasons as to why it sucks. Rooms are small, and have a old stench to them. We found 2 spiders near our bed during our stay. The fact that netflix being available to use was advertised and was not true didnt help at all. The ...
Reviewed on Apr 12, 2026
Want more than a(n) Alaska Airlines Flight from St. Louis to San Diego?
Explore More Ways to Travel with Travelocity
- Flights to San Diego
- Air Canada Kamloops (YKA) to San Diego (SAN) flights
- Air Canada Ottawa (YOW) to San Diego (SAN) flights
- Air Canada Toronto (YYZ) to San Diego (SAN) flights
- Alaska Airlines Honolulu (HNL) to San Diego (SAN) flights
- Alaska Airlines Denver (DEN) to San Diego (SAN) flights
- Alaska Airlines Kalispell (FCA) to San Diego (SAN) flights
- Alaska Airlines Puerto Vallarta (PVR) to San Diego (SAN) flights
- Alaska Airlines San José del Cabo (SJD) to San Diego (SAN) flights
- Alaska Airlines San Jose (SJC) to San Diego (SAN) flights
- Alaska Airlines Palm Springs (PSP) to San Diego (SAN) flights
- American Airlines Philadelphia (PHL) to San Diego (SAN) flights
- Delta Abbotsford (YXX) to San Diego (SAN) flights
- Delta Minot (MOT) to San Diego (SAN) flights
- Delta Toronto (YYZ) to San Diego (SAN) flights
- Delta Spokane (GEG) to San Diego (SAN) flights
- Delta Victoria (YYJ) to San Diego (SAN) flights
- Delta Winnipeg (YWG) to San Diego (SAN) flights
- Frontier Airlines El Paso (ELP) to San Diego (SAN) flights
- Frontier Airlines Chicago (ORD) to San Diego (SAN) flights
- Jetblue Airways Burlington (BTV) to San Diego (SAN) flights
- Philippine Airlines Manila (MNL) to San Diego (SAN) flights
- United Eugene (EUG) to San Diego (SAN) flights
- United Fresno (FAT) to San Diego (SAN) flights
- United Seoul (ICN) to San Diego (SAN) flights
- United Newark Liberty Intl. Airport (EWR) to San Diego (SAN) flights
- United San Jose (SJC) to San Diego (SAN) flights
- United Chicago (ORD) to San Diego (SAN) flights
- United Fort Myers (RSW) to San Diego (SAN) flights
- Westjet Saskatoon (YXE) to San Diego (SAN) flights
- Westjet Winnipeg (YWG) to San Diego (SAN) flights
- Flights from Belem (BEL) to San Diego (SAN)
- Flights from Bangor (BGR) to San Diego (SAN)
- Flights from Nashville (BNA) to San Diego (SAN)
- Flights from Boise (BOI) to San Diego (SAN)
- Flights from Cleveland (CLE) to San Diego (SAN)
- Flights from Colorado Springs (COS) to San Diego (SAN)
- Flights from Angeles City (CRK) to San Diego (SAN)
- Flights from Washington (DCA) to San Diego (SAN)
- Flights from Dallas (DFW) to San Diego (SAN)
- Flights from Detroit (DTW) to San Diego (SAN)
- Flights from Fargo (FAR) to San Diego (SAN)
- Flights from Fresno (FAT) to San Diego (SAN)
- Flights from Florianópolis (FLN) to San Diego (SAN)
- Flights from Sioux Falls (FSD) to San Diego (SAN)
- Flights from Garden City (GCK) to San Diego (SAN)
- Flights from Spokane (GEG) to San Diego (SAN)
- Flights from Great Falls (GTF) to San Diego (SAN)
- Flights from Goiania (GYN) to San Diego (SAN)
- Flights from Washington (IAD) to San Diego (SAN)
- Flights from Wilmington (ILM) to San Diego (SAN)
- Flights from Indianapolis (IND) to San Diego (SAN)
- Flights from Ilhéus Airport (IOS) to San Diego (SAN)
- Flights from Osaka (ITM) to San Diego (SAN)
- Flights from New York (JFK) to San Diego (SAN)
- Flights from New York (LGA) to San Diego (SAN)
- Flights from London (LHR) to San Diego (SAN)
- Flights from Kansas City (MCI) to San Diego (SAN)
- Flights from Orlando (MCO) to San Diego (SAN)
- Flights from Morgantown (MGW) to San Diego (SAN)
- Flights from Melilla (MLN) to San Diego (SAN)
- Flights from Madison (MSN) to San Diego (SAN)
- Flights from Minneapolis (MSP) to San Diego (SAN)
- Flights from Montrose (MTJ) to San Diego (SAN)
- Flights from Oklahoma City (OKC) to San Diego (SAN)
- Flights from Chicago (ORD) to San Diego (SAN)
- Flights from Pendleton (PDT) to San Diego (SAN)
- Flights from Portland (PDX) to San Diego (SAN)
- Flights from Philadelphia (PHL) to San Diego (SAN)
- Flights from Portland (PWM) to San Diego (SAN)
- Flights from Fort Myers (RSW) to San Diego (SAN)
- Flights from Seattle (SEA) to San Diego (SAN)
- Flights from San José del Cabo (SJD) to San Diego (SAN)
- Flights from Saipan (SPN) to San Diego (SAN)
- Flights from St. Louis (STL) to San Diego (SAN)
- Flights from London (STN) to San Diego (SAN)
- Flights from Tampa (TPA) to San Diego (SAN)
- Flights from Tucson (TUS) to San Diego (SAN)
- Flights from Dakhla (VIL) to San Diego (SAN)
- Flights from Nanaimo (YCD) to San Diego (SAN)
- Flights from Deer Lake (YDF) to San Diego (SAN)
- Flights from Edmonton (YEG) to San Diego (SAN)
- Flights from Montreal Metropolitan Airport (YHU) to San Diego (SAN)
- Flights from Schefferville (YKL) to San Diego (SAN)
- Flights from Ottawa (YOW) to San Diego (SAN)
- Flights from Windsor (YQG) to San Diego (SAN)
- Flights from Thunder Bay (YQT) to San Diego (SAN)
- Flights from Montreal (YUL) to San Diego (SAN)
- Flights from Yuma (YUM) to San Diego (SAN)
- Flights from Vancouver (YVR) to San Diego (SAN)
- Flights from Winnipeg (YWG) to San Diego (SAN)
- Flights from Abbotsford (YXX) to San Diego (SAN)
- Flights from Victoria (YYJ) to San Diego (SAN)
- Flights from Zürich (ZRH) to San Diego (SAN)