$157 Cheap Delta flights San Francisco (SFO) to St. Louis (STL)

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$157 Cheap Delta flights San Francisco (SFO) to St. Louis (STL)

Prices were available within the past 7 days and start at $157 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from San Francisco (SFO) to St. Louis (STL)
Origin airport
San Francisco Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
1731 mi
Average flight time
6 hours 58 mins

Frequently asked questions

How much is a Delta Air Lines flight from San Francisco Intl. Airport (SFO) to Lambert-St. Louis Intl. Airport (STL)?
Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines return flights from SFO to STL. Affordable one-way fares from $157 are also on offer.**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.
What is the cheapest month to fly from SFO to STL with Delta Air Lines?
Browse for one-way or round-trip flights to St. Louis in January or February. You could find a cheap fare with Delta Air Lines during these off-peak months.
What is the cheapest time to book flights from San Francisco Intl. Airport (SFO) to Lambert-St. Louis Intl. Airport (STL) with Delta Air Lines?
For cheap Delta Air Lines fares from San Francisco Intl. Airport (SFO) to Lambert-St. Louis Intl. Airport (STL), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact how much you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**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.
Does Delta Air Lines fly nonstop from San Francisco Intl. Airport (SFO) to Lambert-St. Louis Intl. Airport (STL)?
Click on our "Nonstop" filter when searching for direct Delta Air Lines flights from SFO to STL. You'll also be able to compare other airlines servicing the same direct route.
What is the earliest Delta Air Lines flight from SFO to STL?
Search Delta Air Lines's earliest flights from SFO to STL by checking the "Early Morning" and "Morning" filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being 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.
What airports does Delta Air Lines fly into in St. Louis?
Take a Delta Air Lines flight from San Francisco Intl. Airport (SFO) to St. Louis, and you'll likely come in to Lambert-St. Louis Intl. Airport (STL). This is the airline's main hub here.
Why fly with Delta Air Lines from SFO to STL?
Offering a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many passengers flying from SFO to STL. Plus, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from San Francisco Intl. Airport (SFO) to Lambert-St. Louis Intl. Airport (STL)?
Changes are generally free within 24 hours of making a booking, but your airline may add a charge after that time. For more details about altering your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without being charged, apply the "Changes included" or "No cancel fee" filter when planning your next break.

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*Available to One Key members.