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

Flights from Lambert-St Louis to Fremont have been viewed 20 times in the past calendar month.

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 $92. Users have also found prices from $137 and $188 on Delta and United Airlines, respectively.

Weekly flight availability from St. Louis to Fremont

The most flights from STL to FR8 are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Fremont ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit Fremont when rainfall is around 0.0 in.

If weather is an important factor for your trip to Fremont, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 $1,028, our data indicates the cheapest price to be $205. The most popular route (Lambert-St Louis - San Francisco), is priced around $265.

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

Consider Asiana Airlines (38%), Air New Zealand (38%) or United Airlines (33%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Fremont.

What are the most popular airlines that fly from St. Louis to Fremont?

The most popular airlines flying from St. Louis to Fremont are United Airlines, Southwest and Frontier. Something to consider prior to booking your flight.

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.

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.

Find Cheap Flights from St. Louis to Fremont

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Cheapflights Tip: The best prices from Lambert-St Louis to Fremont are usually found in January or November, booked 75 days in advance, depart on a Thursday or Friday and return on a Wednesday

Find flight deals from St. Louis to Fremont

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	March
Cheapest in	January
Average price	$521

Provider with most accurate pricing for Lambert-St Louis-San Francisco flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-San Francisco flights.

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Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Cheapflights Insights

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

Prices

Airlines

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

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?

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. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Fremont

Read reviews from past customers who have flown Southwest,Delta, andUnited 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

4,202 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Southwest

8.0

Very good

4,202 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Delta

7.8

Good

8,610 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

United Airlines

7.4

Good

10,247 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

American Airlines

7.0

Good

12,099 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Frontier

5.6

Fair

2,573 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

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 20 times in the past calendar month.
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 $92. Users have also found prices from $137 and $188 on Delta and United Airlines, respectively.
What are the most reliable airlines from St. Louis to Fremont?
Consider Asiana Airlines (38%), Air New Zealand (38%) or United Airlines (33%) 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 $1,028, our data indicates the cheapest price to be $205. The most popular route (Lambert-St Louis - San Francisco), is priced around $265.
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.

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Top 5 airlines flying from St. Louis to Fremont

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$171	Average$318	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$194	Average$450	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$200	Average$518	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$352	Average$535	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$358	Average$508	FlexibilityNo cancel fee	On-time63%

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

Find cheap flights from St. Louis to Fremont with Cheapflights

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2. Select your favorite providers

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Find flight deals from St. Louis to Fremont

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Cheapflights Insights

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

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?

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. Sunday 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

The most flights from STL to FR8 are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Fremont

Read reviews from past customers who have flown Southwest,Delta, andUnited 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.

Related info for your journey

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

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

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

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

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

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

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

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

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

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Complete your trip

Complete your trip to Fremont by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from St. Louis to Fremont by cabin class

Find flights from St. Louis to Fremont, based on your preferred cabin class, be it economy, premium economy, business, or first class.

St. Louis and Fremont flights

Browse other St. Louis and Fremont flight options. Last updated on September 26, 2026.

Other flights from St. Louis

Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on September 26, 2026.

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