Earn point on your loyalty program!arrow arc left

Cheap flights from Appleton (ATW) to Sofia (SOF)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Appleton (ATW) to Sofia (SOF)

How to find the cheapest flight from Appleton (ATW) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Appleton (ATW) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Appleton (ATW) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Appleton to Sofia in May , June 2026

31 May - 18 Jun $ 1,470.00
ATW
Appleton
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
ATW
Appleton
Pick dates
31 May - 11 Jun $ 1,478.00
ATW
Appleton
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
ATW
Appleton
Pick dates
31 May - 18 Jun $ 1,515.00
ATW
Appleton
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
ATW
Appleton
Pick dates

Last minute flights from Appleton to Sofia

22 May - 01 Jun $ 1,733.00
ATW
Appleton
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
ATW
Appleton
Pick dates
29 May - 01 Jun $ 1,828.00
ATW
Appleton
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
ATW
Appleton
Pick dates
29 May - 01 Jun $ 1,952.00
ATW
Appleton
Allegiant Air
3 STOPS
SOF
Sofia
SOF
Sofia
Allegiant Air
3 STOPS
ATW
Appleton
Pick dates

One-way flights to Sofia from Appleton

2:44 PM - 8:45 AM
Wizz Air
3 Stops
36h 56m
ATW - SOF
$ 842
Kiwi
Pick dates
2:44 PM - 9:35 PM
Wizz Air
3 Stops
26h 51m
ATW - SOF
$ 870
Kiwi
Pick dates
9:25 AM - 8:15 PM
Wizz Air
3 Stops
29h 45m
ATW - SOF
$ 922
Kiwi
Pick dates

How to find the cheapest flight from Appleton (ATW) to Sofia (SOF)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Appleton (ATW) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Appleton (ATW) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.