Find Cheap Flights to Sofia

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Philadelphia to Sofia

(Round-trip)
Depart: Mon Sep 11 2017 Return: Tue Oct 3 2017 Trip spans 23 days
Qatar Airways
Qatar Airways
PHL
6:40a
SOF
8:15a
25h 35m
1 stop
SOF
4:15p
PHL
11:40a
19h 25m
1 stop
Depart: Sun Oct 22 2017 Return: Sun Nov 5 2017 Trip spans 15 days
$1058
Select
Turkish Airlines
Turkish Airlines
PHL
12:10p
SOF
10:05p
33h 55m
2 stops
SOF
4:15p
PHL
12:47a
32h 32m
2 stops
Depart: Fri Oct 27 2017 Return: Tue Nov 7 2017 Trip spans 12 days
$1182
Select
Air Canada
Air Canada
PHL
6:20a
SOF
1:15a
18h 55m
2 stops
SOF
1:05a
PHL
11:33p
22h 28m
2 stops
Depart: Mon Oct 23 2017 Return: Mon Nov 6 2017 Trip spans 15 days
Qatar Airways
Qatar Airways
PHL
6:40a
SOF
8:15a
25h 35m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Tue Oct 24 2017 Return: Mon Nov 6 2017 Trip spans 14 days
Qatar Airways
Qatar Airways
PHL
6:40a
SOF
8:15a
25h 35m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Sun Dec 17 2017 Return: Mon Jan 8 2018 Trip spans 23 days
Qatar Airways
Qatar Airways
PHL
4:45a
SOF
11:15p
18h 30m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Mon Dec 18 2017 Return: Mon Jan 8 2018 Trip spans 22 days
Qatar Airways
Qatar Airways
PHL
4:45a
SOF
6:50a
26h 05m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Tue Dec 19 2017 Return: Mon Jan 8 2018 Trip spans 21 days
Qatar Airways
Qatar Airways
PHL
4:45a
SOF
6:50a
26h 05m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Wed Oct 25 2017 Return: Sun Nov 5 2017 Trip spans 12 days
$1058
Select
Turkish Airlines
Turkish Airlines
PHL
12:10p
SOF
10:05p
33h 55m
2 stops
SOF
4:15p
PHL
12:47a
32h 32m
2 stops
Depart: Tue Oct 17 2017 Return: Wed Nov 1 2017 Trip spans 16 days
Qatar Airways
Qatar Airways
PHL
6:40a
SOF
8:15a
25h 35m
1 stop
SOF
3:50p
PHL
10:45a
42h 55m
1 stop
Depart: Wed Dec 20 2017 Return: Thu Jan 11 2018 Trip spans 23 days
$1217
Select
Air Canada
Air Canada
PHL
5:30a
SOF
6:15a
24h 45m
2 stops
SOF
1:05a
PHL
11:33p
22h 28m
2 stops
Depart: Sun Nov 12 2017 Return: Wed Nov 15 2017 Trip spans 4 days
Qatar Airways
Qatar Airways
PHL
4:45a
SOF
11:15p
18h 30m
1 stop
SOF
2:50p
PHL
9:45a
42h 55m
1 stop
Depart: Sun Jan 14 2018 Return: Wed Jan 17 2018 Trip spans 4 days
Qatar Airways
Qatar Airways
PHL
4:45a
SOF
11:15p
18h 30m
1 stop
SOF
2:50p
PHL
9:45a
42h 55m
1 stop
Depart: Thu Oct 26 2017 Return: Mon Nov 6 2017 Trip spans 12 days
Qatar Airways
Qatar Airways
PHL
6:40a
SOF
8:15a
25h 35m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Sat Oct 28 2017 Return: Mon Nov 6 2017 Trip spans 10 days
Qatar Airways
Qatar Airways
PHL
6:40a
SOF
8:50a
26h 10m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Thu Dec 21 2017 Return: Mon Jan 8 2018 Trip spans 19 days
Qatar Airways
Qatar Airways
PHL
4:45a
SOF
6:50a
26h 05m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Fri Dec 22 2017 Return: Mon Jan 8 2018 Trip spans 18 days
Qatar Airways
Qatar Airways
PHL
4:45a
SOF
11:15p
18h 30m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Sat Dec 23 2017 Return: Mon Jan 8 2018 Trip spans 17 days
Qatar Airways
Qatar Airways
PHL
4:45a
SOF
6:50a
26h 05m
1 stop
SOF
7:15a
PHL
9:45a
26h 30m
1 stop
Depart: Mon Aug 14 2017 Return: Tue Sep 12 2017 Trip spans 30 days
Qatar Airways
Qatar Airways
PHL
6:40a
SOF
8:10a
25h 30m
1 stop
SOF
4:15p
PHL
11:40a
19h 25m
1 stop
Depart: Tue Aug 22 2017 Return: Sat Sep 30 2017 Trip spans 40 days
$1024
Select
Qatar Airways
Qatar Airways
PHL
6:40a
SOF
8:10a
25h 30m
1 stop
SOF
9:25a
PHL
11:40a
26h 15m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Philadelphia
$685
Destination

Sofia
$685