Cheap Flights from Knoxville, TN to San Francisco, CA from $127

On Cheapflightsplus.com you will find 183 connecting flights from Knoxville to San Francisco. You can compare airfare deals from 4 airlines and multiple travel sites from $127, book and save on cheap plane tickets and last minute offers. Also check out TYS-SFO flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Knoxville to San Francisco depends on and how to choose the most interesting flight option for you.

Distance between Knoxville and San Francisco is 3403 miles. Time difference between the cities is 3h. Airplanes depart 05:45 to 21:30 from 1 Knoxville airport and arrive 05:45 to 21:30 to 3 San Francisco airports. Average flight time is 14h 52m.

  • The fastest flight 7h 9m
  • Average flight time 14h 52m
  • The earliest flight 05:45
  • The latest flight 21:30
  • Distance 2115 ml

The cheapest months to travel to San Francisco are july (from 127 $), august (from 131 $), october (from 240 $).

The most expensive months are september (from 240 $), october (from 240 $), august (from 131 $).

What is the lowest airfare Knoxville to San Francisco?

The cheapest plane ticket found by our users is $127. This airfare is for economy class on one-way G43064 flight by Allegiant Air for August 8, 2025 which leaves Mc Ghee Tyson in Knoxville at 11:01 am and arrives at San Francisco San Francisco at 22:53.

Economy class
$127
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Business class
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First class
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Flight Schedule Knoxville (Tennessee) to San Francisco (California)

05:45 — 11:30
8h 45m flight time
Find flight
from$336
05:45 — 07:26 Knoxville — Washington D.C.
UA4311 United Airlines
1h 19m stop
08:45 — 11:30 Washington D.C. — San Francisco
UA1702 United Airlines
07:00 — 11:29
7h 29m flight time
Find flight
from$336
07:00 — 07:57 Knoxville — Chicago
UA1594 United Airlines
53m stop
08:50 — 11:29 Chicago — San Francisco
UA1387 United Airlines
07:00 — 13:40
9h 40m flight time
Find flight
from$336
07:00 — 07:57 Knoxville — Chicago
UA1594 United Airlines
2h 56m stop
10:53 — 13:40 Chicago — San Francisco
UA741 United Airlines
07:00 — 14:19
10h 19m flight time
Find flight
from$336
07:00 — 08:24 Knoxville — Houston
UA4913 United Airlines
3h 47m stop
12:11 — 14:19 Houston — San Francisco
UA2464 United Airlines
09:00 — 13:09
7h 9m flight time
Find flight
from$336
09:00 — 10:26 Knoxville — Denver
UA5673 United Airlines
59m stop
11:25 — 13:09 Denver — San Francisco
UA1561 United Airlines
09:00 — 15:10
9h 10m flight time
Find flight
from$336
09:00 — 10:26 Knoxville — Denver
UA5673 United Airlines
3h stop
13:26 — 15:10 Denver — San Francisco
UA1341 United Airlines
09:35 — 14:19
7h 44m flight time
Find flight
from$336
09:35 — 10:59 Knoxville — Houston
UA4841 United Airlines
1h 12m stop
12:11 — 14:19 Houston — San Francisco
UA2464 United Airlines
11:01 — 22:53
14h 52m flight time
Find flight
from$127
11:01 — 12:19 Knoxville — Minneapolis
G43064 Allegiant Air
8h 26m stop
20:48 — 22:53 Minneapolis — San Francisco
SY397 Sun Country Airlines
11:01 — 17:11
9h 10m flight time
Find flight
from$135
11:01 — 12:19 Knoxville — Minneapolis
G43064 Allegiant Air
2h 47m stop
15:12 — 17:17 Minneapolis — San Francisco
SY395 Sun Country Airlines
11:01 — 11:05+1day
27h 4m flight time
Find flight
from$137
11:01 — 12:19 Knoxville — Minneapolis
G41414 Allegiant Air
20h 41m stop
09:00 — 11:05 Minneapolis — San Francisco
SY393 Sun Country Airlines
11:01 — 16:59
8h 58m flight time
Find flight
from$227
11:01 — 12:19 Knoxville — Minneapolis
G41414 Allegiant Air
2h 35m stop
14:54 — 16:59 Minneapolis — San Francisco
SY395 Sun Country Airlines
16:35 — 06:42+1day
17h 7m flight time
Find flight
from$296
16:35 — 17:50 Knoxville — Denver
UA1787 United Airlines
11h 10m stop
05:00 — 06:42 Denver — San Francisco
UA768 United Airlines
16:35 — 09:45+1day
20h 10m flight time
Find flight
from$296
16:35 — 17:50 Knoxville — Denver
UA1787 United Airlines
14h 12m stop
08:02 — 09:45 Denver — San Francisco
UA1442 United Airlines
16:35 — 11:57+1day
22h 22m flight time
Find flight
from$296
16:35 — 17:50 Knoxville — Denver
UA1787 United Airlines
16h 23m stop
10:13 — 11:57 Denver — San Francisco
UA2041 United Airlines
17:25 — 00:19+1day
9h 54m flight time
Find flight
from$176
17:25 — 18:40 Knoxville — Denver
F94369 Frontier Airlines
3h 49m stop
22:29 — 00:19 Denver — San Francisco
F93439 Frontier Airlines
Full flight schedule will help you in detecting at what time planes fly from Knoxville to San Francisco. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on April 1, 2026.

Popular Airlines on the Route

The flight Knoxville — San Francisco is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 2 departures per week at the price of from $ 337 . And the most expensive tickets are offered by United Airlines airline - from $ 995.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 183 flights with layovers on the route. The fastest connecting flight is UA5673 by United Airlines takes 7h 9m and the cheapest is G43064 by Allegiant Air for $127.

  • AS - Alaska Airlines
    from $337
    Find
  • F9 - Frontier Airlines
    from $176
    Find
  • UA - United Airlines
    from $296
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  • G4 - Allegiant Air
    from $127
    Find
See more connecting flights

Airports

You can fly from Knoxville to San Francisco from 1 airports (Mc Ghee Tyson).

Knoxville airports

  • Mc Ghee Tyson-TYS
    from $127
    Find

San Francisco airports

  • San Francisco-SFO
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  • Embarkadero-EMB
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  • China Basin Heliport-JCC
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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