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United Airlines(UA) flights from Knoxville to San Diego

Flight INFO & United Airlines(UA) flights from Knoxville to San Diego

Cheapest one-way flight price US$111
Cheapest month August
Peak season for travel July
Flight distance 3,054.23 km
Popular airline American Airlines

Book United Airlines(UA) flights from Knoxville to San Diego

  • One way
  • Round-trip
      • TYS05:45
        8h 32m
        1 stops
        SAN11:17
        Knoxville - San Diego|Mon, Aug 31|United Airlines
        US$217
        US$445
        51% off
        Search
        51% off
        US$445
        US$217
      • TYS09:00
        6h 41m
        1 stops
        SAN12:41
        Knoxville - San Diego|Tue, Aug 18|United Airlines
        US$226
        US$445
        49% off
        Search
        49% off
        US$445
        US$226
      • TYS05:45
        8h 32m
        1 stops
        SAN11:17
        Knoxville - San Diego|Sat, Aug 22|United Airlines
        US$226
        US$445
        49% off
        Search
        49% off
        US$445
        US$226
      • TYS07:00
        7h 15m
        1 stops
        SAN11:15
        Knoxville - San Diego|Wed, Aug 19|United Airlines
        US$226
        Search
        US$226
      • TYS05:45
        8h 32m
        1 stops
        SAN11:17
        Knoxville - San Diego|Thu, Aug 20|United Airlines
        US$226
        Search
        US$226
      • TYS16:50
        8h 37m
        1 stops
        SAN22:27
        Knoxville - San Diego|Thu, Aug 13|United Airlines
        US$227
        Search
        US$227
      • TYS16:50
        6h 44m
        1 stops
        SAN20:34
        Knoxville - San Diego|Sat, Aug 15|United Airlines
        US$227
        Search
        US$227
      • TYS07:00
        7h 15m
        1 stops
        SAN11:15
        Knoxville - San Diego|Wed, Aug 12|United Airlines
        US$227
        Search
        US$227
      • TYS07:00
        7h 15m
        1 stops
        SAN11:15
        Knoxville - San Diego|Tue, Aug 11|United Airlines
        US$227
        Search
        US$227
      • TYS05:45
        8h 32m
        1 stops
        SAN11:17
        Knoxville - San Diego|Thu, Aug 27|United Airlines
        US$229
        Search
        US$229
      • TYS05:45
        8h 32m
        1 stops
        SAN11:17
        Knoxville - San Diego|Sun, Sep 6|United Airlines
        US$229
        Search
        US$229
      • TYS09:00
        6h 41m
        1 stops
        SAN12:41
        Knoxville - San Diego|Wed, Aug 26|United Airlines
        US$230
        Search
        US$230
      • TYS09:00
        6h 41m
        1 stops
        SAN12:41
        Knoxville - San Diego|Sat, Aug 29|United Airlines
        US$230
        Search
        US$230
      • TYS07:15
        9h 2m
        1 stops
        SAN13:17
        Knoxville - San Diego|Tue, Sep 1|United Airlines
        US$230
        Search
        US$230
      • TYS15:40
        8h 45m
        1 stops
        SAN21:25
        Knoxville - San Diego|Mon, Aug 24|United Airlines
        US$231
        Search
        US$231
      • TYS09:00
        6h 41m
        1 stops
        SAN12:41
        Knoxville - San Diego|Tue, Aug 25|United Airlines
        US$231
        Search
        US$231
      • TYS07:00
        7h 15m
        1 stops
        SAN11:15
        Knoxville - San Diego|Wed, Sep 2|United Airlines
        US$231
        Search
        US$231
      • TYS07:00
        7h 15m
        1 stops
        SAN11:15
        Knoxville - San Diego|Mon, Aug 17|United Airlines
        US$237
        Search
        US$237
      • TYS07:15
        6h 40m
        1 stops
        SAN10:55
        Knoxville - San Diego|Sat, Sep 5|United Airlines
        US$256
        Search
        US$256
      • TYS07:00
        7h 15m
        1 stops
        SAN11:15
        Knoxville - San Diego|Thu, Sep 3|United Airlines
        US$260
        Search
        US$260
      • TYS16:50
        7h 2m
        1 stops
        CLD20:52
        Knoxville - San Diego|Sat, Sep 5|United Airlines
        US$265
        Search
        US$265
      • TYS05:45
        8h 32m
        1 stops
        SAN11:17
        Knoxville - San Diego|Sun, Aug 30|United Airlines
        US$268
        Search
        US$268
      • TYS16:50
        8h 37m
        1 stops
        SAN22:27
        Knoxville - San Diego|Fri, Sep 4|United Airlines
        US$271
        Search
        US$271
      • TYS05:45
        8h 32m
        1 stops
        SAN11:17
        Knoxville - San Diego|Fri, Aug 28|United Airlines
        US$272
        Search
        US$272
      • TYS07:00
        7h 15m
        1 stops
        SAN11:15
        Knoxville - San Diego|Fri, Aug 21|United Airlines
        US$345
        Search
        US$345
      • TYS07:00
        7h 15m
        1 stops
        SAN11:15
        Knoxville - San Diego|Mon, Sep 7|United Airlines
        US$361
        Search
        US$361
      • TYS16:50
        7h 2m
        1 stops
        CLD20:52
        Knoxville - San Diego|Fri, Sep 4|United Airlines
        US$379
        Search
        US$379
      • TYS09:00
        7h
        1 stops
        CLD13:00
        Knoxville - San Diego|Sun, Aug 30|United Airlines
        US$381
        Search
        US$381
      • TYS09:00
        8h 50m
        1 stops
        SAN14:50
        Knoxville - San Diego|Fri, Aug 14|United Airlines
        US$386
        Search
        US$386
      • TYS16:56
        6h 50m
        1 stops
        SAN20:46
        Knoxville - San Diego|Mon, Aug 10|United Airlines
        US$387
        Search
        US$387
      • TYS13:00
        6h 50m
        Nonstop
        SAN14:00
        Knoxville - San Diego|Mon, Sep 6|Normal Airline
        More cheap flights
        More cheap flights

United Airlines(UA) flights from Knoxville to San Diego & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA6259

    United Airlines

    07:00

    TYS

    2.4h

    Nonstop

    08:24

    IAH

    - M T W T - -
    Search

  2. UA2491

    United Airlines

    09:40

    IAH

    3.5h

    Nonstop

    11:07

    SAN

    S M T W T F S
    Search

  3. UA1256

    United Airlines

    08:45

    TYS

    3.3h

    Nonstop

    10:03

    DEN

    S M T W T F S
    Search

  4. UA1940

    United Airlines

    11:15

    DEN

    2.4h

    Nonstop

    12:38

    SAN

    S M T W T F S
    Search

  5. UA250

    United Airlines

    16:50

    TYS

    3.3h

    Nonstop

    18:10

    DEN

    - M T W T - -
    Search

  6. UA540

    United Airlines

    19:20

    DEN

    2.4h

    Nonstop

    20:46

    SAN

    S M T W T F S
    Search

  7. UA720

    United Airlines

    16:56

    TYS

    3.4h

    Nonstop

    18:20

    DEN

    S - - - - F S
    Search

  8. UA540

    United Airlines

    19:20

    DEN

    2.4h

    Nonstop

    20:46

    SAN

    S M T W T F S
    Search

  9. UA1256

    United Airlines

    08:45

    TYS

    3.3h

    Nonstop

    10:03

    DEN

    S M T W T F S
    Search

  10. UA5507

    United Airlines

    11:35

    DEN

    2.7h

    Nonstop

    13:19

    CLD

    S M T W T F S
    Search

  11. UA250

    United Airlines

    16:50

    TYS

    3.3h

    Nonstop

    18:10

    DEN

    - M T W T - -
    Search

  12. UA5529

    United Airlines

    19:15

    DEN

    2.7h

    Nonstop

    20:59

    CLD

    S M T W T F S
    Search

  13. UA2753

    United Airlines

    07:00

    TYS

    1.9h

    Nonstop

    07:56

    ORD

    - M T W T - -
    Search

  14. UA660

    United Airlines

    09:00

    ORD

    4.4h

    Nonstop

    11:22

    SAN

    S M T W T F S
    Search

  15. UA4311

    United Airlines

    05:45

    TYS

    1.7h

    Nonstop

    07:27

    IAD

    S - - W T F S
    Search

  16. UA1930

    United Airlines

    08:30

    IAD

    5.6h

    Nonstop

    11:08

    SAN

    S M T W T F S
    Search

  17. UA250

    United Airlines

    16:50

    TYS

    3.3h

    Nonstop

    18:10

    DEN

    - M T W T - -
    Search

  18. UA2395

    United Airlines

    21:05

    DEN

    2.4h

    Nonstop

    22:28

    SAN

    - - T W T - -
    Search

  19. UA6264

    United Airlines

    09:15

    TYS

    2.4h

    Nonstop

    10:39

    IAH

    - - T W T - -
    Search

  20. UA1911

    United Airlines

    19:56

    IAH

    3.5h

    Nonstop

    21:26

    SAN

    - M T W T - -
    Search
Show less

United Airlines(UA) flights from Knoxville to San Diego Flight Booking FAQ

  • When is the best time to book flights from Knoxville to San Diego?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Knoxville to San Diego is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

  • When are flight tickets from Knoxville (TYS) to San Diego (SAN) the cheapest?

    The cheapest months to fly from Knoxville to San Diego is August, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from Knoxville to San Diego on?

    After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Knoxville to San Diego on August 15, 2026 with Delta Air Lines, with prices starting at US$267.

  • Is there any time difference between Knoxville and San Diego?

    The time difference between San Diego and Knoxville is 3h.

  • How do I change or cancel my ticket from Knoxville to San Diego?

    Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.