Swiss
flight
LX 4321:
Athens - Zurich
Athens - Zurich
FLIGHT SCHEDULE
Direct Codeshare Flights:
Swiss LX4321
Valid until 2026-01-09
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Swiss LX4321
Valid until 2026-01-08
Mon
Tue
Wed
Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Operates only on 2026-01-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-01-10 through 2026-01-13
Mon
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Tue
Wed
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Thu
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Fri
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-
Sat
Sun
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Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-01-11 through 2026-01-16
Mon
Tue
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-
Wed
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Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-01-14 through 2026-01-19
Mon
Tue
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-
Wed
Thu
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Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Swiss LX4321
Operates only on 2026-01-17
Mon
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Tue
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Wed
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Thu
-
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Fri
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-
Sat
Sun
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Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-01-20 through 2026-01-26
Mon
Tue
Wed
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-
Thu
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Fri
Sat
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-
Sun
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-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-01-21 through 2026-01-27
Mon
-
-
Tue
Wed
Thu
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-
Fri
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-
Sat
Sun
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-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-01-22 through 2026-01-28
Mon
-
-
Tue
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-
Wed
Thu
Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Swiss LX4321
Operates only on 2026-01-29
Mon
-
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Tue
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Wed
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Thu
Fri
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-
Sat
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-
Sun
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-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-01-30 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Operates only on 2026-02-01
Mon
-
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Tue
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Wed
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Thu
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Fri
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Sat
-
-
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Swiss LX4321
Operates only on 2026-02-07
Mon
-
-
Tue
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Wed
-
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Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-02-08 through 2026-02-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-02-21 through 2026-02-28
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Operates only on 2026-03-01
Mon
-
-
Tue
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Wed
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Thu
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Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-03-02 through 2026-03-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-03-14 through 2026-03-21
Mon
Tue
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-
Wed
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Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-03-15 through 2026-03-22
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-03-23 through 2026-04-02
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-04-03 through 2026-04-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-04-13 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Operates only on 2026-04-30
Mon
-
-
Tue
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Wed
-
-
Thu
Fri
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-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-05-01 through 2026-05-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
Direct Codeshare Flights:
Swiss LX4321
Operates only on 2026-05-09
Mon
-
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Tue
-
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Wed
-
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Thu
-
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Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Swiss LX4321
Effective 2026-05-10 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Aegean Airlines.
(A3 850)
Duration: 2:50, non-stop Airbus A320neo (32N)
- LX 4321 is an international flight departing from Athens airport, Greece (ATH) and arriving at Zurich airport, Switzerland (ZRH).
- The flight distance is 1018 miles, or 1638 km.
- The timezone of the departure airport is UTC+2 , and the timezone of the arrival airport is UTC+1 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time is 2:50.