Find Cheap Flights to Bulgaria

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 Seattle to Bulgaria

(Round-trip)
Depart: Sat Oct 14 2017 Return: Mon Nov 13 2017 Trip spans 31 days
$1100
Select
Condor
Condor
SEA
10:15a
SOF
8:35a
22h 20m
1 stop
SOF
1:35a
SEA
8:55p
19h 20m
1 stop
Depart: Sun Oct 15 2017 Return: Mon Nov 13 2017 Trip spans 30 days
$1273
Select
British Airways
British Airways
SEA
3:15p
SOF
11:25p
32h 10m
1 stop
SOF
9:05a
SEA
9:10p
36h 05m
1 stop
Depart: Fri Dec 1 2017 Return: Thu Dec 14 2017 Trip spans 14 days
$1273
Select
Turkish Airlines
Turkish Airlines
SEA
8:45a
SOF
5:20a
20h 35m
2 stops
SOF
4:15p
SEA
2:29a
34h 14m
2 stops
Depart: Tue Nov 28 2017 Return: Tue Dec 12 2017 Trip spans 15 days
$1322
Select
Air Canada
Air Canada
SEA
3:20a
SOF
3:15a
23h 55m
2 stops
SOF
1:35a
SEA
10:53p
21h 18m
2 stops
Depart: Mon Dec 4 2017 Return: Tue Dec 12 2017 Trip spans 9 days
$1323
Select
Lufthansa
Lufthansa
SEA
8:45a
SOF
3:15a
18h 30m
2 stops
SOF
1:35a
SEA
7:18p
17h 43m
2 stops
Depart: Mon Oct 16 2017 Return: Mon Nov 13 2017 Trip spans 29 days
$1273
Select
British Airways
British Airways
SEA
9:20a
SOF
11:25p
14h 05m
1 stop
SOF
9:05a
SEA
9:10p
36h 05m
1 stop
Depart: Sat Dec 2 2017 Return: Thu Dec 14 2017 Trip spans 13 days
$1273
Select
Turkish Airlines
Turkish Airlines
SEA
8:45a
SOF
5:20a
20h 35m
2 stops
SOF
4:15p
SEA
2:29a
34h 14m
2 stops
Depart: Wed Nov 29 2017 Return: Tue Dec 12 2017 Trip spans 14 days
$1322
Select
Air Canada
Air Canada
SEA
3:20a
SOF
3:15a
23h 55m
2 stops
SOF
1:35a
SEA
7:18p
17h 43m
2 stops
Depart: Thu Aug 10 2017 Return: Sun Aug 27 2017 Trip spans 18 days
$1384
Select
Lufthansa
Lufthansa
SEA
10:00a
SOF
8:05a
22h 05m
1 stop
SOF
10:10a
SEA
3:18a
41h 08m
2 stops
Depart: Tue Oct 17 2017 Return: Mon Nov 13 2017 Trip spans 28 days
$1273
Select
British Airways
British Airways
SEA
3:15p
SOF
11:25p
32h 10m
1 stop
SOF
9:05a
SEA
9:10p
36h 05m
1 stop
Depart: Sun Dec 3 2017 Return: Tue Dec 12 2017 Trip spans 10 days
$1322
Select
Air Canada
Air Canada
SEA
3:20a
SOF
3:15a
23h 55m
2 stops
SOF
1:35a
SEA
7:18p
17h 43m
2 stops
Depart: Sun Jul 30 2017 Return: Mon Aug 14 2017 Trip spans 16 days
$1530
Select
Condor
Condor
SEA
1:55p
SOF
8:05a
18h 10m
1 stop
SOF
2:30a
SEA
1:35a
23h 05m
2 stops
Depart: Wed Oct 18 2017 Return: Mon Nov 13 2017 Trip spans 27 days
$1273
Select
British Airways
British Airways
SEA
3:15p
SOF
11:25p
32h 10m
1 stop
SOF
9:05a
SEA
9:10p
36h 05m
1 stop
Depart: Thu Nov 30 2017 Return: Tue Dec 12 2017 Trip spans 13 days
$1362
Select
Air Canada
Air Canada
SEA
3:20a
SOF
3:15a
23h 55m
2 stops
SOF
1:35a
SEA
1:53a
24h 18m
2 stops
Depart: Thu Oct 19 2017 Return: Tue Nov 14 2017 Trip spans 27 days
$1303
Select
British Airways
British Airways
SEA
9:15a
SOF
11:25p
14h 10m
1 stop
SOF
9:05a
SEA
9:10p
36h 05m
1 stop
Depart: Fri Oct 20 2017 Return: Mon Nov 13 2017 Trip spans 25 days
$1303
Select
British Airways
British Airways
SEA
9:30a
SOF
11:10p
13h 40m
1 stop
SOF
9:05a
SEA
9:10p
36h 05m
1 stop
Depart: Fri Jul 28 2017 Return: Mon Aug 14 2017 Trip spans 18 days
$1778
Select
Turkish Airlines
Turkish Airlines
SEA
10:10a
SOF
7:05p
32h 55m
2 stops
SOF
5:40p
SEA
4:19a
34h 39m
2 stops
Depart: Thu Aug 24 2017 Return: Sun Sep 3 2017 Trip spans 11 days
$1346
Select
British Airways
British Airways
SEA
5:25a
SOF
11:10p
41h 45m
2 stops
SOF
10:30a
SEA
5:15p
30h 45m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
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

Seattle
$1100
Destination

Sofia
$1100