Cheap flights from San Francisco to Knoxville from $155
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Knoxville departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from San Francisco to Knoxville
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United Airlines flights from San Francisco to Knoxville
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How to get the cheapest flight ticket from San Francisco to Knoxville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Knoxville?
The month of August is, on average, the cheapest month to fly to Knoxville from San Francisco, with most prices found around $413. If you aren’t able to travel during the month of August, then book flights to Knoxville from San Francisco during February instead. Flights to Knoxville in February, while not as cheap as those in August, still average around $415.
What is the cheapest day to depart on your flight to Knoxville?
The cheapest day to depart from San Francisco to Knoxville is on a Tuesday. Travelers who choose to depart for Knoxville on a Tuesday will often find tickets for as low as $425. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Knoxville for around $555.
What is the cheapest time of day to depart on your flight to Knoxville?
In the evening is the cheapest time of day to fly from San Francisco to Knoxville when you can find flight prices for as low as $453. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is at noon when prices are around $514.
How far in advance should I book a flight to Knoxville?
You are more likely to see cheaper flights to Knoxville from San Francisco when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $482 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from San Francisco for as low as $378 on momondo.
What is the cheapest airline that flies from San Francisco to Knoxville McGhee Tyson?
United Airlines, Frontier, and American Airlines are the most popular carriers operating from San Francisco to Knoxville McGhee Tyson
What airlines fly to Knoxville?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Knoxville from San Francisco according to our data. American Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 5 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to Knoxville on average per week?
As of June 2025, there are 6 flights per week flying from San Francisco to Knoxville. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.
When to book flights from San Francisco to Knoxville
Cheap San Francisco to Knoxville (SFO to TYS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Knoxville
How far is San Francisco to Knoxville McGhee Tyson by plane?
The straight-line distance from San Francisco to Knoxville McGhee Tyson is 2114.7 mi. In terms of flight time, this usually takes a little over 6h 50m.
When did momondo last update prices for flights from San Francisco Airport to Knoxville McGhee Tyson Airport?
Prices for flights from San Francisco Airport to Knoxville McGhee Tyson Airport are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Knoxville McGhee Tyson Airport?
There are 4 operators available for flights from San Francisco Airport to Knoxville McGhee Tyson Airport as of June 2025.
How old do you have to be to fly from San Francisco Airport to Knoxville McGhee Tyson Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to Knoxville?
momondo data reveals that the most frequently booked plane model on the route from San Francisco to Knoxville is Embraer 175, representing 100.00% of all bookings.
What is the most popular airline from San Francisco to Knoxville?
Based on momondo bookings for flights between San Francisco and Knoxville, the leading airline is American Airlines, making up 65% of the total bookings. Other popular airlines include Delta with 17%, United Airlines with 15%, and Frontier with 3%.
Best airlines flying from San Francisco to Knoxville
Compare and see reviews for airlines that fly from San Francisco to Knoxville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $149 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $298 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $308 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $338 | Free Cancellation | Rating 7.4 8,790 reviews |
United Airlines Flights From San Francisco to Knoxville
United Airlines is one of the most popular airlines flying from San Francisco to Knoxville, operating 6 flights/week on average for this route. A good United Airlines flight deal for San Francisco to Knoxville starts from $338 round-trip, up to an average price of $585. Our users have rated United Airlines at 7.4/10.
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Why should I use momondo to find a flight deal from San Francisco to Knoxville?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Knoxville for you.
Can I find flights from San Francisco to Knoxville with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for San Francisco to Knoxville flights to just show those with flexible booking policies.
How can momondo help me find flights from San Francisco to Knoxville?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Knoxville.
I’m not ready to book a flight from San Francisco to Knoxville right now. Can momondo alert me if prices change?
Yes. momondo can track prices for San Francisco to Knoxville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.