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Cheap flights from Knoxville to San Francisco (TYS - SFO) from $109

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TYS — SFO
Apr 29 — May 61
From?
To?
Mon 4/29
Mon 5/6
1 adult, Economy
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The best prices from Knoxville McGhee Tyson to San Francisco are usually found in September or October, booked 28 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Knoxville to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 24, 2024.

Popular in

February

Cheapest in

September

Round-trip from

$268

One-way from

$135
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Knoxville McGhee Tyson to San Francisco
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One-way flight from Knoxville McGhee Tyson to San Francisco
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What is the cheapest day to fly round-trip from Knoxville to San Francisco?

Saturday flights are generally found to be more expensive for flights from Knoxville to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

How far in advance should I book a flight from Knoxville to San Francisco?

To save on the cost of your flight from Knoxville to San Francisco, book at least 29 days before your planned departure. Booking around this time can save you about 65% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $364 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $502.

What is the cheapest month to fly from Knoxville to San Francisco?

September can be a great time to fly to San Francisco from Knoxville with a flight ticket averaging about $595. Cheapflights users have found deals in the month of September for as cheap as $190. The most expensive prices can be found in the month of February.

When is the cheapest time to fly from Knoxville to San Francisco (TYS - SFO)?

One of the essential ways to save on airfare from Knoxville to San Francisco is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 29% on airfare.

Cheap United Airlines flights from Knoxville to San Francisco

Explore cheap flight options specifically provided by United Airlines for the route between Knoxville and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Knoxville to San Francisco. Deals update often to give you more flight options matching your criteria
Thu 8/154:45 pmTYS - SFO
1 stop9h 15mUnited Airlines
Sun 8/1810:40 pmSFO - TYS
1 stop8h 33mUnited Airlines
Deal found 4/23$308
Thu 9/197:20 pmTYS - SFO
1 stop8h 32mUnited Airlines
Mon 9/2312:35 amSFO - TYS
1 stop9h 49mUnited Airlines
Deal found 4/23$423
Wed 5/17:00 amTYS - SFO
1 stop7h 34mUnited Airlines
Sun 5/512:09 amSFO - TYS
1 stop7h 07mUnited Airlines
Deal found 4/23$458
Tue 5/217:00 amTYS - SFO
1 stop8h 12mUnited Airlines
Mon 5/2712:30 amSFO - TYS
1 stop9h 56mUnited Airlines
Deal found 4/22$460
Thu 8/1512:00 pmTYS - SFO
2 stops13h 00mUnited Airlines
Sun 8/1810:40 pmSFO - TYS
1 stop8h 33mUnited Airlines
Deal found 4/23$481
Thu 8/87:10 pmTYS - SFO
1 stop8h 41mUnited Airlines
Wed 8/146:00 amSFO - TYS
2 stops13h 30mUnited Airlines
Deal found 4/23$487
Fri 5/37:00 amTYS - SFO
1 stop7h 35mUnited Airlines
Sun 5/512:09 amSFO - TYS
1 stop7h 07mUnited Airlines
Deal found 4/21$513
Thu 5/3010:00 amTYS - SFO
1 stop10h 11mUnited Airlines
Mon 6/312:30 amSFO - TYS
1 stop9h 56mUnited Airlines
Deal found 4/23$543
Tue 5/217:00 amTYS - SFO
1 stop8h 12mUnited Airlines
Tue 5/2810:35 pmSFO - TYS
2 stops14h 06mUnited Airlines
Deal found 4/22$553

Cheap Frontier flights from Knoxville to San Francisco

Explore cheap flight options specifically provided by Frontier for the route between Knoxville and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Some of the best deals we've found on Frontier flights traveling from Knoxville to San Francisco. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sat 9/145:40 pmTYS - SFO
1 stop9h 18mFrontier
Fri 9/2012:58 amSFO - TYS
1 stop12h 52mFrontier
Deal found 4/23$218
Wed 5/225:31 pmTYS - SFO
1 stop9h 28mFrontier
Tue 5/2812:59 amSFO - TYS
1 stop12h 32mFrontier
Deal found 4/22$238
Fri 5/179:02 pmTYS - SFO
1 stop14h 19mFrontier
Tue 5/2112:59 amSFO - TYS
1 stop12h 32mFrontier
Deal found 4/23$266
Wed 5/1510:51 amTYS - SFO
1 stop23h 59mFrontier
Sun 5/1912:59 amSFO - TYS
1 stop13h 39mFrontier
Deal found 4/23$269
Fri 5/310:56 amTYS - SFO
1 stop16h 02mFrontier
Sun 5/59:00 pmSFO - TYS
1 stop9h 51mFrontier
Deal found 4/22$285
Mon 5/610:51 amTYS - SFO
1 stop16h 07mFrontier
Thu 5/94:55 pmSFO - TYS
1 stop14h 01mFrontier
Deal found 4/23$306
Mon 8/56:17 pmTYS - SFO
1 stop8h 41mFrontier
Fri 8/167:42 pmSFO - TYS
1 stop18h 08mFrontier
Deal found 4/23$317
Mon 8/56:17 pmTYS - SFO
1 stop8h 41mFrontier
Thu 8/1512:58 amSFO - TYS
1 stop12h 44mFrontier
Deal found 4/23$325
Mon 8/56:17 pmTYS - SFO
1 stop8h 41mFrontier
Tue 8/1312:58 amSFO - TYS
1 stop13h 19mFrontier
Deal found 4/23$329

Cheap Knoxville to San Francisco flights in April & May 2024

Find cheap flight options from Knoxville to San Francisco specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 24, 2024.
Scroll through some of the best deals on flights from Knoxville to San Francisco in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/225:31 pmTYS - SFO
1 stop9h 28mFrontier
Tue 5/2812:59 amSFO - TYS
1 stop12h 32mFrontier
Deal found 4/22$238
Mon 5/610:51 amTYS - SFO
1 stop10h 39mFrontier
Thu 5/94:55 pmSFO - TYS
1 stop14h 01mFrontier
Deal found 4/22$248
Fri 5/179:02 pmTYS - SFO
1 stop14h 19mFrontier
Tue 5/2112:59 amSFO - TYS
1 stop12h 32mFrontier
Deal found 4/23$266
Wed 5/1510:51 amTYS - SFO
1 stop23h 59mFrontier
Sun 5/1912:59 amSFO - TYS
1 stop13h 39mFrontier
Deal found 4/23$269
Mon 5/206:38 pmTYS - SFO
1 stop15h 21mFrontier
Sun 5/2612:59 amSFO - TYS
1 stop13h 36mFrontier
Deal found 4/21$284
Fri 5/310:56 amTYS - SFO
1 stop16h 02mFrontier
Sun 5/59:00 pmSFO - TYS
1 stop9h 51mFrontier
Deal found 4/22$285
Fri 5/315:58 pmTYS - SFO
1 stop8h 09mAmerican Airlines
Wed 6/512:32 pmSFO - TYS
1 stop8h 52mAmerican Airlines
Deal found 4/22$296
Wed 5/296:34 pmTYS - SFO
1 stop8h 30mAmerican Airlines
Mon 6/311:58 pmSFO - TYS
1 stop8h 06mAmerican Airlines
Deal found 4/21$298
Mon 5/610:51 amTYS - SFO
1 stop16h 07mFrontier
Thu 5/94:55 pmSFO - TYS
1 stop14h 01mFrontier
Deal found 4/23$306

Knoxville to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Scroll through some of the best deals on flights from Knoxville to San Francisco in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/225:31 pmTYS - SFO
1 stop9h 28mFrontier
Tue 5/2812:59 amSFO - TYS
1 stop12h 32mFrontier
Deal found 4/22$238
Mon 5/610:51 amTYS - SFO
1 stop10h 39mFrontier
Thu 5/94:55 pmSFO - TYS
1 stop14h 01mFrontier
Deal found 4/22$248
Fri 5/179:02 pmTYS - SFO
1 stop14h 19mFrontier
Tue 5/2112:59 amSFO - TYS
1 stop12h 32mFrontier
Deal found 4/23$266
Wed 5/1510:51 amTYS - SFO
1 stop23h 59mFrontier
Sun 5/1912:59 amSFO - TYS
1 stop13h 39mFrontier
Deal found 4/23$269
Sat 6/15:13 pmTYS - SFO
1 stop9h 46mFrontier
Tue 6/412:58 amSFO - TYS
1 stop14h 49mFrontier
Deal found 4/21$278
Mon 5/206:38 pmTYS - SFO
1 stop15h 21mFrontier
Sun 5/2612:59 amSFO - TYS
1 stop13h 36mFrontier
Deal found 4/21$284
Sat 9/214:15 pmTYS - SFO
1 stop9h 33mAmerican Airlines
Wed 9/256:00 amSFO - TYS
1 stop8h 29mAmerican Airlines
Deal found 4/22$285
Tue 8/66:21 amTYS - SFO
1 stop6h 43mAmerican Airlines
Sat 8/1711:59 pmSFO - TYS
1 stop7h 20mAmerican Airlines
Deal found 4/22$286
Fri 5/315:58 pmTYS - SFO
1 stop8h 09mAmerican Airlines
Wed 6/512:32 pmSFO - TYS
1 stop8h 52mAmerican Airlines
Deal found 4/22$296

Knoxville to San Francisco flights leaving soon

Find last-minute flight options from Knoxville to San Francisco for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Users seeking a last-minute flight from Knoxville to San Francisco should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.
Fri 5/310:56 amTYS - SFO
1 stop16h 02mFrontier
Sun 5/59:00 pmSFO - TYS
1 stop9h 51mFrontier
Deal found 4/22$285
Fri 5/36:50 pmTYS - SFO
1 stop8h 55mDelta
Mon 5/611:55 pmSFO - TYS
1 stop7h 16mDelta
Deal found 4/22$453
Wed 5/12:44 pmTYS - SFO
1 stop9h 32mAmerican Airlines
Mon 5/61:47 pmSFO - TYS
1 stop7h 04mAmerican Airlines
Deal found 4/23$455
Wed 5/17:00 amTYS - SFO
1 stop7h 34mUnited Airlines
Sun 5/512:09 amSFO - TYS
1 stop7h 07mUnited Airlines
Deal found 4/23$458
Wed 5/15:32 amTYS - SFO
2 stops9h 39mAmerican Airlines
Mon 5/61:47 pmSFO - TYS
1 stop7h 04mAmerican Airlines
Deal found 4/23$461
Wed 5/16:50 pmTYS - SFO
1 stop7h 34mDelta
Fri 5/310:45 pmSFO - TYS
1 stop7h 43mDelta
Deal found 4/22$483
Fri 5/37:00 amTYS - SFO
1 stop7h 35mUnited Airlines
Sun 5/512:09 amSFO - TYS
1 stop7h 07mUnited Airlines
Deal found 4/21$513
Wed 5/15:33 pmTYS - SFO
1 stop10h 05mUnited Airlines
Fri 5/310:35 pmSFO - TYS
2 stops13h 16mUnited Airlines
Deal found 4/22$595
Wed 5/15:33 pmTYS - SFO
2 stops16h 43mUnited Airlines
Sun 5/512:09 amSFO - TYS
1 stop7h 07mUnited Airlines
Deal found 4/23$605

One-way flights to San Francisco from Knoxville

Search for one-way flight options from Knoxville to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Users traveling one-way from Knoxville to San Francisco can select one of these great deals. Users in need of a round-trip flight from Knoxville to San Francisco instead should update the search form at the top of page.
Wed 9/186:17 pmTYS - SFO
1 stop8h 41mFrontier
Deal found 4/23$109
Mon 5/610:51 amTYS - SFO
1 stop10h 39mFrontier
Deal found 4/23$123
Sat 5/1110:58 amTYS - SFO
1 stop12h 08mFrontier
Deal found 4/22$135
Sun 9/155:29 amTYS - SFO
1 stop8h 51mAmerican Airlines
Deal found 4/23$268
Wed 9/187:00 amTYS - SFO
2 stops13h 34mUnited Airlines
Deal found 4/23$273
Sat 5/117:00 amTYS - SFO
2 stops18h 00mUnited Airlines
Deal found 4/22$351
Mon 5/65:33 pmTYS - SFO
2 stops16h 53mUnited Airlines
Deal found 4/23$364
Sun 9/157:11 amTYS - SFO
2 stops12h 49mAmerican Airlines
Deal found 4/23$433
Sun 5/55:19 amTYS - SFO
2 stops12h 02mAmerican Airlines
Deal found 4/23$448

Find flights from Knoxville to San Francisco within your budget

Customize your flight search to find flights from Knoxville to San Francisco 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 3,086,534 searches. Data last updated April 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$218 - $412

Route

Depart

Return

Price

Knoxville McGhee TysonSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Sat 9/14

1 stop9h 18m

San Francisco

Fri 9/20

1 stop12h 52m

$218

Knoxville McGhee TysonSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Wed 5/22

1 stop9h 28m

San Francisco

Tue 5/28

1 stop12h 32m

$238

Knoxville McGhee TysonSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Fri 5/17

1 stop14h 19m

San Francisco

Tue 5/21

1 stop12h 32m

$266

Knoxville McGhee TysonSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Wed 5/15

1 stop23h 59m

San Francisco

Sun 5/19

1 stop13h 39m

$269

Knoxville McGhee TysonSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Sat 9/14

1 stop9h 33m

San Francisco

Sat 9/21

1 stop6h 51m

$285

Knoxville McGhee TysonSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Tue 8/6

1 stop6h 43m

San Francisco

Sat 8/17

1 stop10h 03m

$286

Knoxville McGhee TysonSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Thu 8/15

1 stop9h 15m

San Francisco

Sun 8/18

1 stop8h 33m

$308

Knoxville McGhee TysonSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Tue 8/6

1 stop9h 47m

San Francisco

Tue 8/13

1 stop9h 00m

$323

Knoxville McGhee TysonSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Thu 6/27

2 stops13h 47m

San Francisco

Thu 7/4

1 stop14h 39m

$412

Flights are sorted by cheapest first

Deals found on 4/23

When is the best time to book a flight from Knoxville to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to San Francisco. Price data was last updated on January 28, 2024.
The best time to book flights from Knoxville to San Francisco is 28 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.
Search Deals

When is the cheapest time to fly from Knoxville to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to San Francisco. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Knoxville to San Francisco flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to San Francisco by month

Plan your trip from Knoxville to San Francisco by taking into account the cheapest months to travel. The average price of a one-way flight from Knoxville to San Francisco is currently $278 while a round-trip flight costs $289. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Knoxville to San Francisco (average of $268). Flying from Knoxville to San Francisco in June is currently the most expensive (average of $384). 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.

January

$274

February

$281

March

$330

April

$306

May

$310

June

$384

July

$368

August

$298

September

$268

October

$268

November

$287

December

$268

Temperature and rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature and rainfall totals by month.

SFO

Temperature

51.8 - 62.6 °F

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated April 24, 2024.
Read reviews from past customers who have flown United Airlines, Frontier and Delta from Knoxville to San Francisco. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
11,004 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Delta
8.1
Very good
11,004 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

United Airlines
7.4
Good
11,272 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

American Airlines
7.3
Good
14,898 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Frontier
6.3
Okay
4,139 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Related info for your journey

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

  • Can I find flights from Knoxville to San Francisco for under $300 on Cheapflights?

    Yes, there are multiple flights from Knoxville to San Francisco for under $300. The cheapest flight booked recently is on Frontier for just $218, but on average you can expect to pay $303.

  • Are there last-minute flights available from Knoxville to San Francisco for under $300?

    There are currently 17+ open flights from Knoxville to San Francisco within the next 7 days for less than $300.

  • What are the cheapest airlines flying from Knoxville to San Francisco round-trip?

    Flying on Frontier is currently your cheapest option to San Francisco, with prices starting at $218. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $285 and $308, respectively. Frontier is priced at 63% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Knoxville to San Francisco one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $109. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Knoxville to San Francisco for a low price.

  • What are the most popular airlines that fly from Knoxville to San Francisco?

    Before booking your flight from Knoxville to San Francisco check out the most popular airlines for this route: American Airlines, Delta or Frontier.

  • What does TYS to SFO mean?

    TYS and SFO are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. TYS to SFO refers to a flight route from Knoxville McGhee Tyson Airport to San Francisco Airport.

  • Can I find deals for flights from Knoxville to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Knoxville to San Francisco that include hotel bookings?

    Yes. In addition to deals on Knoxville to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to San Francisco.

  • Can I find deals for business class flights from Knoxville to San Francisco?

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

  • Can I find deals for flights from Knoxville to San Francisco that allow pets onboard?

    Many airlines flying from Knoxville to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to San Francisco?

    Yes, you can often find last-minute deals on Knoxville to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to San Francisco flight deals updated?

    The Knoxville to San Francisco flight deals you see on this page were last updated on 4/23.

See more FAQs

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Top 4 airlines flying from Knoxville to San Francisco

Discover the top 4 airlines that operate flights from Knoxville to San Francisco. 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 3,086,534 searches. Data last updated April 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$183Average$277FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$266Average$478FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$304Average$527FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$367Average$632FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Knoxville to Springfield, Massachusetts flights

Search flights from Knoxville to San Francisco by cabin class

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