Find Cheap Flights from Washington to Sofia (WAS - SOF)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to Sofia

(Round-trip)
Depart: Thu Sep 7 2017 Return: Fri Sep 22 2017 Trip spans 16 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
SOF
10:05p
27h 05m
1 stop
SOF
6:00a
IAD
10:10p
16h 10m
1 stop
Depart: Tue Sep 5 2017 Return: Tue Sep 12 2017 Trip spans 8 days
SWISS
SWISS
IAD
1:40p
SOF
10:40p
33h 00m
1 stop
SOF
5:05p
IAD
6:20p
25h 15m
1 stop
Depart: Thu Aug 17 2017 Return: Wed Sep 13 2017 Trip spans 28 days
Lufthansa
Lufthansa
IAD
1:30p
SOF
7:25a
17h 55m
1 stop
SOF
2:05a
IAD
6:40p
16h 35m
1 stop
Depart: Fri Nov 10 2017 Return: Sun Nov 12 2017 Trip spans 3 days
Air Canada
Air Canada
DCA
7:50a
SOF
6:15a
22h 25m
2 stops
SOF
1:05a
DCA
8:00p
18h 55m
2 stops
Depart: Thu Nov 9 2017 Return: Sun Nov 12 2017 Trip spans 4 days
United
United
DCA
1:12a
SOF
12:55a
23h 43m
2 stops
SOF
1:05a
DCA
6:14p
17h 09m
2 stops
Depart: Fri Aug 18 2017 Return: Thu Aug 31 2017 Trip spans 14 days
Austrian Airlines
Austrian Airlines
IAD
1:05p
SOF
12:00p
22h 55m
1 stop
SOF
4:50p
IAD
5:40p
24h 50m
1 stop
Depart: Sat Dec 23 2017 Return: Sat Dec 30 2017 Trip spans 8 days
British Airways
British Airways
IAD
1:25p
SOF
1:15a
11h 50m
1 stop
SOF
2:45p
IAD
10:30p
31h 45m
1 stop
Depart: Tue Sep 19 2017 Return: Mon Sep 25 2017 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
SOF
10:05p
27h 05m
1 stop
SOF
5:40p
IAD
10:10p
28h 30m
1 stop
Depart: Mon Sep 11 2017 Return: Tue Sep 19 2017 Trip spans 9 days
SWISS
SWISS
IAD
1:50p
SOF
9:25a
19h 35m
1 stop
SOF
5:05p
IAD
6:20p
25h 15m
1 stop
Depart: Thu Aug 24 2017 Return: Thu Sep 14 2017 Trip spans 22 days
Lufthansa
Lufthansa
IAD
1:30p
SOF
1:15a
11h 45m
1 stop
SOF
2:05a
IAD
6:40p
16h 35m
1 stop
Depart: Sat Nov 11 2017 Return: Thu Nov 16 2017 Trip spans 6 days
Air Canada
Air Canada
DCA
6:25a
SOF
1:20a
18h 55m
2 stops
SOF
1:05a
DCA
11:48p
22h 43m
2 stops
Depart: Fri Oct 20 2017 Return: Mon Nov 6 2017 Trip spans 18 days
United
United
DCA
6:10a
SOF
1:15a
19h 05m
2 stops
SOF
8:40a
DCA
8:27p
35h 47m
2 stops
Depart: Fri Sep 1 2017 Return: Tue Sep 26 2017 Trip spans 26 days
Austrian Airlines
Austrian Airlines
IAD
1:05p
SOF
1:45a
12h 40m
1 stop
SOF
4:15a
IAD
5:40p
13h 25m
1 stop
Depart: Sun Sep 3 2017 Return: Sun Oct 1 2017 Trip spans 29 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
SOF
9:45a
14h 45m
1 stop
SOF
5:40p
IAD
10:10p
28h 30m
1 stop
Depart: Fri Sep 22 2017 Return: Sat Oct 21 2017 Trip spans 30 days
SWISS
SWISS
IAD
1:50p
SOF
4:00a
14h 10m
1 stop
SOF
11:40a
IAD
6:20p
30h 40m
1 stop
Depart: Wed Aug 9 2017 Return: Tue Aug 29 2017 Trip spans 21 days
Lufthansa
Lufthansa
IAD
6:30p
SOF
11:40a
17h 10m
1 stop
SOF
2:30a
IAD
6:55p
16h 25m
1 stop
Depart: Mon Nov 13 2017 Return: Sat Nov 18 2017 Trip spans 6 days
Air Canada
Air Canada
DCA
11:10a
SOF
6:15a
19h 05m
2 stops
SOF
9:05a
DCA
5:33p
32h 28m
2 stops
Depart: Tue Nov 14 2017 Return: Sat Nov 18 2017 Trip spans 5 days
United
United
DCA
9:36a
SOF
12:55a
15h 19m
2 stops
SOF
8:40a
DCA
6:14p
33h 34m
2 stops
Depart: Mon Sep 18 2017 Return: Wed Sep 27 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
SOF
9:45a
14h 45m
1 stop
SOF
6:00a
IAD
10:10p
16h 10m
1 stop
Depart: Mon Aug 7 2017 Return: Tue Aug 22 2017 Trip spans 16 days
SWISS
SWISS
IAD
1:40p
SOF
9:25a
19h 45m
1 stop
SOF
5:05p
IAD
6:20p
25h 15m
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.

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
only $695
only $738
Destination

Sofia
$695