HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Fremont

$62+ Cheap flights from St. Louis (STL) to Fremont, CA

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Fremont with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Lambert-St Louis to Fremont are usually found in April or October, booked 76 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap flight deals from St. Louis to Fremont

Keep the following information in mind while searching for St. Louis to Fremont flight deals. Data was last updated January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$127
(Kiwi.com)

One-way from

$62
(Trip.com)

Popular in

March

Cheapest in

April

Average price

$412
Provider with most accurate pricing for Lambert-St Louis-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-San Francisco flights.
Search Deals
From Lambert-St Louis to Fremont
Search Deals
One-way flight from Lambert-St Louis to Fremont
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from St. Louis to Fremont

Cheapest flights from St. Louis to Fremont
Explore the most affordable flight options available from St. Louis to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/213:46 pmSTL - SFO
1 stop9h 55mFrontier
Wed 1/282:08 pmSFO - STL
1 stop28h 58mFrontier
Deal found 1/6$127
This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/271:59 pmSTL - SFO
1 stop20h 04mFrontier
Wed 3/47:35 amSFO - STL
1 stop6h 18mFrontier
Deal found 1/7$135
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:51 pmSTL - SFO
1 stop17h 12mFrontier
Wed 3/47:35 amSFO - STL
1 stop6h 18mFrontier
Deal found 1/6$136
This Frontier deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/231:54 pmSTL - SFO
1 stop12h 34mFrontier
Wed 2/257:20 amSFO - STL
1 stop6h 33mFrontier
Deal found 1/6$144
This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/69:43 pmSTL - SFO
1 stop14h 25mFrontier
Sun 2/86:15 amSFO - STL
1 stop28h 35mFrontier
Deal found 1/7$145
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/212:51 pmSTL - SFO
1 stop19h 12mFrontier
Wed 3/47:35 amSFO - STL
1 stop6h 18mFrontier
Deal found 1/6$146
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/271:59 pmSTL - SFO
1 stop20h 04mFrontier
Thu 3/510:48 amSFO - STL
1 stop8h 38mFrontier
Deal found 1/6$151
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:51 pmSTL - SFO
1 stop17h 12mFrontier
Fri 2/2710:00 pmSFO - STL
1 stop17h 46mFrontier
Deal found 1/6$152
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/212:51 pmSTL - SFO
1 stop19h 12mFrontier
Thu 2/268:48 amSFO - STL
1 stop26h 21mFrontier
Deal found 1/6$158
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:46 pmSTL - SFO
1 stop9h 55mFrontier
Sun 2/86:15 amSFO - STL
1 stop28h 35mFrontier
Deal found 1/6$160
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/212:51 pmSTL - SFO
1 stop19h 12mFrontier
Thu 3/510:48 amSFO - STL
1 stop8h 38mFrontier
Deal found 1/6$162

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Fremont that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 7, 2026.
Use the filters below to find and compare flights from St. Louis to Fremont that are best for you.

Fly from

St. Louis

Fly to

Fremont

Route

Depart

Return

Price

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Tue 1/27

2:50 pm-11:03 pm

1 stop10h 13m

San Francisco

Tue 2/3

2:30 pm-1:54 pm

1 stop21h 24m

$227

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Fri 2/27

7:00 am-9:55 pm

1 stop16h 55m

San Francisco

Mon 3/2

6:27 pm-1:51 pm

1 stop17h 24m

$237

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Tue 2/24

2:22 pm-10:41 pm

2 stops10h 19m

San Francisco

Mon 3/2

10:20 am-12:25 am

2 stops12h 05m

$254

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Tue 1/27

3:31 pm-11:30 pm

2 stops9h 59m

San Francisco

Tue 2/3

6:00 am-9:38 pm

2 stops13h 38m

$254

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Tue 2/24

7:00 am-2:02 pm

1 stop9h 02m

San Francisco

Fri 2/27

6:30 am-1:51 pm

1 stop29h 21m

$260

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Thu 3/5

2:47 pm-10:56 pm

1 stop10h 09m

San Francisco

Sun 3/8

6:30 am-11:59 pm

1 stop15h 29m

$267

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Sat 1/31

6:19 pm-12:23 pm

2 stops20h 04m

San Francisco

Thu 2/5

9:00 am-1:54 pm

1 stop26h 54m

$272

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Fri 2/20

6:10 am-3:51 pm

2 stops11h 41m

San Francisco

Wed 2/25

10:20 am-12:25 am

2 stops12h 05m

$274

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Thu 2/26

6:10 am-3:51 pm

2 stops11h 41m

San Francisco

Mon 3/2

10:20 am-11:23 pm

2 stops11h 03m

$274

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Mon 3/9

3:05 pm-11:56 pm

2 stops10h 51m

San Francisco

Mon 3/16

10:30 am-12:21 am

2 stops11h 51m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from St. Louis to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Fremont

How far ahead should I book a flight from St. Louis to Fremont?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Fremont. Price data was last updated on January 2, 2026.

The best time to book flights from St. Louis to Fremont is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from St. Louis to Fremont?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Fremont (average of $124). Flying from St. Louis to Fremont in May is currently the most expensive (average of $256). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to FR8?

Find hourly flight availability from St. Louis to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 7, 2026.

When flying from St. Louis to Fremont, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 48% versus a flight in the evening.

What is the cheapest day to fly from St. Louis to Fremont?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Fremont. Price data was last updated on August 31, 2025.

Travelers seeking maximum savings on their St. Louis to Fremont flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Fremont

Explore weekly flight availability from St. Louis to Fremont. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 7, 2026.

The most flights from STL to FR8 are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Fremont. Reviews last updated January 7, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from St. Louis to Fremont. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
7.9
Good
8,025 reviews
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
9,139 reviews
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,095 reviews
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.7
Fair
3,062 reviews
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Fremont?

    If you book a flight to Fremont from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 3 flights from Lambert-St Louis to Fremont per day from 5 different airlines.

  • How popular is this St. Louis to Fremont flight route?

    Flights from Lambert-St Louis to Fremont have been viewed 16 times in the past calendar month.

  • How long is the flight from St. Louis to Fremont?

    A quick flight from St. Louis to Fremont can take about 10h 13m. Alaska Airlines provides one of the quickest options available for as low as $227. The distance from St. Louis to Fremont is about 1730 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from St. Louis to Fremont one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $72. Users have also found prices from $123 and $128 on American Airlines and Delta, respectively.

  • What are the most reliable airlines from St. Louis to Fremont?

    Consider United Airlines (69%), Air New Zealand (69%) or Asiana Airlines (66%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Fremont.

  • What are the cheapest flights from St. Louis to Fremont?

    Looking for the cheapest flight from St. Louis to Fremont? While on average our users pay $1,047, our data indicates the cheapest price to be $210. The most popular route (Lambert-St Louis - San Francisco), is priced around $207.

  • Can I find deals for flights from St. Louis to Fremont that include hotel bookings?

    Yes. In addition to deals on St. Louis to Fremont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Fremont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Fremont.

  • Can I find deals for business class flights from St. Louis to Fremont?

    Yes. Cheapflights offers flight deals from St. Louis to Fremont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Fremont?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Fremont (average of $124). Flying from St. Louis to Fremont in May is currently the most expensive (average of $256). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Fremont

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Las Vegas flights
Kansas City to Los Angeles flights
Kansas City to Las Vegas flights
St. Louis to Los Angeles flights
Kansas City to San Diego flights
St. Louis to San Diego flights
Kansas City to San Francisco flights
Kansas City to Santa Ana flights
Kansas City to Ontario flights
St. Louis to San Francisco flights
Kansas City to Burbank flights
St. Louis to Ontario flights
St. Louis to Santa Ana flights
Kansas City to Sacramento flights
St. Louis to Burbank flights
Springfield to Los Angeles flights
St. Louis to Sacramento flights
Springfield to Las Vegas flights
St. Louis to Reno flights
Kansas City to Palm Springs flights
Kansas City to Oakland flights
St. Louis to Long Beach flights
Kansas City to San Jose flights
St. Louis to San Jose flights
Kansas City to Reno flights
St. Louis to Palm Springs flights
Springfield to Ontario flights
Kansas City to Fresno flights
St. Louis to Fresno flights
Kansas City to Long Beach flights
Springfield to San Diego flights
Springfield to San Jose flights
Springfield to Sacramento flights
Springfield to Santa Ana flights
Columbia to Las Vegas flights
St. Louis to Santa Barbara flights
St. Louis to Medford flights
Springfield to Burbank flights
Springfield to Reno flights
Springfield to San Francisco flights
St. Louis to Oakland flights
Joplin to Las Vegas flights
Kansas City to Monterey flights
St. Louis to Monterey flights
St. Louis to San Luis Obispo flights
Columbia to San Diego flights
Kansas City to Bakersfield flights
Kansas City to Santa Barbara flights
Columbia to San Francisco flights
Joplin to Los Angeles flights

Top 5 airlines flying from St. Louis to Fremont

Discover the top 5 airlines that operate flights from St. Louis to Fremont. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$238FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$182Average$353FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$426FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$365FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$265Average$403FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.