Cheap JetBlue Airways flights St. Louis (STL) to San Diego (SAN)

You can discover cheap return JetBlue Airways flights from STL to SAN by organizing your results from “Price (lowest to highest)” on Expedia. Or search for deals for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the least expensive months to fly to San Diego with JetBlue Airways. You could also find great prices on one-way and round-trip tickets in November.

Look for affordable JetBlue Airways flights from Lambert-St. Louis Intl. Airport (STL) to San Diego Intl. Airport (SAN) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Click on the “Nonstop” filter when browsing for direct JetBlue Airways flights from STL to SAN. It’s also an easy way to compare other airlines offering the same nonstop route.

Browse JetBlue Airways’s earliest flights from STL to SAN by checking our “Morning” and “Early Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Get on a JetBlue Airways flight from Lambert-St. Louis Intl. Airport (STL) to San Diego, and you’ll likely touch down at San Diego Intl. Airport (SAN). This is the airline’s primary hub in this city.

Depending on your ticket type, a fee is typically charged if you modify or cancel your booking more than 24 hours after it’s been confirmed. To secure flexible fares, select our “Changes included” and “No cancel fee” boxes when you look for flights. For additional information on changing or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”